From 347c4a98475d1dba8030efe33aa0b35856c4d17f Mon Sep 17 00:00:00 2001 From: runge Date: Sat, 13 May 2006 14:10:57 +0000 Subject: [PATCH] fix some build issues WRT ultravnc code. --- ChangeLog | 9 + libvncclient/Makefile.am | 4 +- libvncclient/lzoconf.h | 902 +++--- libvncclient/minilzo.c | 5870 +++++++++++++++++++------------------- libvncclient/minilzo.h | 200 +- libvncserver/lzoconf.h | 902 +++--- libvncserver/minilzo.c | 5870 +++++++++++++++++++------------------- libvncserver/minilzo.h | 200 +- libvncserver/rfbserver.c | 8 +- libvncserver/scale.c | 13 +- vncterm/Makefile.am | 4 +- 11 files changed, 6999 insertions(+), 6983 deletions(-) diff --git a/ChangeLog b/ChangeLog index 07f46a1..b8cfc44 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2006-05-13 Karl Runge + * minilzo.c,minilzo.h,lzoconf.h: switch to non-CRLF versions. + * libvncclient/Makefile.am: add minilzo.c, minilzo.h, lzoconf.h + and ultra.c to materials lists. + * libvncserver/scale.c: remove libm dependency with CEIL and + FLOOR macros. + * libvncserver/rfbserver.c: remove C99 declarations. + * vncterm/Makefile.am: fix VPATH build. + 2006-05-06 Karl Runge * configure.ac: add linux/videodev.h and linux/fb.h detection. diff --git a/libvncclient/Makefile.am b/libvncclient/Makefile.am index 8d78408..4323b0a 100644 --- a/libvncclient/Makefile.am +++ b/libvncclient/Makefile.am @@ -2,9 +2,11 @@ AM_CFLAGS=-g -I $(top_srcdir) -I. -Wall libvncclient_a_SOURCES=cursor.c listen.c rfbproto.c sockets.c vncviewer.c minilzo.c +noinst_HEADERS=lzoconf.h minilzo.h + rfbproto.o: rfbproto.c corre.c hextile.c rre.c tight.c zlib.c zrle.c ultra.c -EXTRA_DIST=corre.c hextile.c rre.c tight.c zlib.c zrle.c +EXTRA_DIST=corre.c hextile.c rre.c tight.c zlib.c zrle.c ultra.c $(libvncclient_a_OBJECTS): ../rfb/rfbclient.h diff --git a/libvncclient/lzoconf.h b/libvncclient/lzoconf.h index e8d10db..96db180 100644 --- a/libvncclient/lzoconf.h +++ b/libvncclient/lzoconf.h @@ -1,451 +1,451 @@ -/* lzoconf.h -- configuration for the LZO real-time data compression library - - This file is part of the LZO real-time data compression library. - - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer - All Rights Reserved. - - The LZO library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - - The LZO library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the LZO library; see the file COPYING. - If not, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - Markus F.X.J. Oberhumer - - http://www.oberhumer.com/opensource/lzo/ - */ - - -#ifndef __LZOCONF_H -#define __LZOCONF_H - -#define LZO_VERSION 0x1080 -#define LZO_VERSION_STRING "1.08" -#define LZO_VERSION_DATE "Jul 12 2002" - -/* internal Autoconf configuration file - only used when building LZO */ -#if defined(LZO_HAVE_CONFIG_H) -# include -#endif -#include - -#ifdef __cplusplus -extern "C" { -#endif - - -/*********************************************************************** -// LZO requires a conforming -************************************************************************/ - -#if !defined(CHAR_BIT) || (CHAR_BIT != 8) -# error "invalid CHAR_BIT" -#endif -#if !defined(UCHAR_MAX) || !defined(UINT_MAX) || !defined(ULONG_MAX) -# error "check your compiler installation" -#endif -#if (USHRT_MAX < 1) || (UINT_MAX < 1) || (ULONG_MAX < 1) -# error "your limits.h macros are broken" -#endif - -/* workaround a cpp bug under hpux 10.20 */ -#define LZO_0xffffffffL 4294967295ul - -#if !defined(LZO_UINT32_C) -# if (UINT_MAX < LZO_0xffffffffL) -# define LZO_UINT32_C(c) c ## UL -# else -# define LZO_UINT32_C(c) c ## U -# endif -#endif - - -/*********************************************************************** -// architecture defines -************************************************************************/ - -#if !defined(__LZO_WIN) && !defined(__LZO_DOS) && !defined(__LZO_OS2) -# if defined(__WINDOWS__) || defined(_WINDOWS) || defined(_Windows) -# define __LZO_WIN -# elif defined(__WIN32__) || defined(_WIN32) || defined(WIN32) -# define __LZO_WIN -# elif defined(__NT__) || defined(__NT_DLL__) || defined(__WINDOWS_386__) -# define __LZO_WIN -# elif defined(__DOS__) || defined(__MSDOS__) || defined(MSDOS) -# define __LZO_DOS -# elif defined(__OS2__) || defined(__OS2V2__) || defined(OS2) -# define __LZO_OS2 -# elif defined(__palmos__) -# define __LZO_PALMOS -# elif defined(__TOS__) || defined(__atarist__) -# define __LZO_TOS -# endif -#endif - -#if (UINT_MAX < LZO_0xffffffffL) -# if defined(__LZO_WIN) -# define __LZO_WIN16 -# elif defined(__LZO_DOS) -# define __LZO_DOS16 -# elif defined(__LZO_PALMOS) -# define __LZO_PALMOS16 -# elif defined(__LZO_TOS) -# define __LZO_TOS16 -# elif defined(__C166__) -# else - /* porting hint: for pure 16-bit architectures try compiling - * everything with -D__LZO_STRICT_16BIT */ -# error "16-bit target not supported - contact me for porting hints" -# endif -#endif - -#if !defined(__LZO_i386) -# if defined(__LZO_DOS) || defined(__LZO_WIN16) -# define __LZO_i386 -# elif defined(__i386__) || defined(__386__) || defined(_M_IX86) -# define __LZO_i386 -# endif -#endif - -#if defined(__LZO_STRICT_16BIT) -# if (UINT_MAX < LZO_0xffffffffL) -# include -# endif -#endif - -/* memory checkers */ -#if !defined(__LZO_CHECKER) -# if defined(__BOUNDS_CHECKING_ON) -# define __LZO_CHECKER -# elif defined(__CHECKER__) -# define __LZO_CHECKER -# elif defined(__INSURE__) -# define __LZO_CHECKER -# elif defined(__PURIFY__) -# define __LZO_CHECKER -# endif -#endif - - -/*********************************************************************** -// integral and pointer types -************************************************************************/ - -/* Integral types with 32 bits or more */ -#if !defined(LZO_UINT32_MAX) -# if (UINT_MAX >= LZO_0xffffffffL) - typedef unsigned int lzo_uint32; - typedef int lzo_int32; -# define LZO_UINT32_MAX UINT_MAX -# define LZO_INT32_MAX INT_MAX -# define LZO_INT32_MIN INT_MIN -# elif (ULONG_MAX >= LZO_0xffffffffL) - typedef unsigned long lzo_uint32; - typedef long lzo_int32; -# define LZO_UINT32_MAX ULONG_MAX -# define LZO_INT32_MAX LONG_MAX -# define LZO_INT32_MIN LONG_MIN -# else -# error "lzo_uint32" -# endif -#endif - -/* lzo_uint is used like size_t */ -#if !defined(LZO_UINT_MAX) -# if (UINT_MAX >= LZO_0xffffffffL) - typedef unsigned int lzo_uint; - typedef int lzo_int; -# define LZO_UINT_MAX UINT_MAX -# define LZO_INT_MAX INT_MAX -# define LZO_INT_MIN INT_MIN -# elif (ULONG_MAX >= LZO_0xffffffffL) - typedef unsigned long lzo_uint; - typedef long lzo_int; -# define LZO_UINT_MAX ULONG_MAX -# define LZO_INT_MAX LONG_MAX -# define LZO_INT_MIN LONG_MIN -# else -# error "lzo_uint" -# endif -#endif - -typedef int lzo_bool; - - -/*********************************************************************** -// memory models -************************************************************************/ - -/* Memory model for the public code segment. */ -#if !defined(__LZO_CMODEL) -# if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define __LZO_CMODEL __far -# elif defined(__LZO_i386) && defined(__WATCOMC__) -# define __LZO_CMODEL __near -# else -# define __LZO_CMODEL -# endif -#endif - -/* Memory model for the public data segment. */ -#if !defined(__LZO_DMODEL) -# if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define __LZO_DMODEL __far -# elif defined(__LZO_i386) && defined(__WATCOMC__) -# define __LZO_DMODEL __near -# else -# define __LZO_DMODEL -# endif -#endif - -/* Memory model that allows to access memory at offsets of lzo_uint. */ -#if !defined(__LZO_MMODEL) -# if (LZO_UINT_MAX <= UINT_MAX) -# define __LZO_MMODEL -# elif defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define __LZO_MMODEL __huge -# define LZO_999_UNSUPPORTED -# elif defined(__LZO_PALMOS16) || defined(__LZO_TOS16) -# define __LZO_MMODEL -# else -# error "__LZO_MMODEL" -# endif -#endif - -/* no typedef here because of const-pointer issues */ -#define lzo_byte unsigned char __LZO_MMODEL -#define lzo_bytep unsigned char __LZO_MMODEL * -#define lzo_charp char __LZO_MMODEL * -#define lzo_voidp void __LZO_MMODEL * -#define lzo_shortp short __LZO_MMODEL * -#define lzo_ushortp unsigned short __LZO_MMODEL * -#define lzo_uint32p lzo_uint32 __LZO_MMODEL * -#define lzo_int32p lzo_int32 __LZO_MMODEL * -#define lzo_uintp lzo_uint __LZO_MMODEL * -#define lzo_intp lzo_int __LZO_MMODEL * -#define lzo_voidpp lzo_voidp __LZO_MMODEL * -#define lzo_bytepp lzo_bytep __LZO_MMODEL * - -#ifndef lzo_sizeof_dict_t -# define lzo_sizeof_dict_t sizeof(lzo_bytep) -#endif - - -/*********************************************************************** -// calling conventions and function types -************************************************************************/ - -/* linkage */ -#if !defined(__LZO_EXTERN_C) -# ifdef __cplusplus -# define __LZO_EXTERN_C extern "C" -# else -# define __LZO_EXTERN_C extern -# endif -#endif - -/* calling convention */ -#if !defined(__LZO_CDECL) -# if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define __LZO_CDECL __LZO_CMODEL __cdecl -# elif defined(__LZO_i386) && defined(_MSC_VER) -# define __LZO_CDECL __LZO_CMODEL __cdecl -# elif defined(__LZO_i386) && defined(__WATCOMC__) -# define __LZO_CDECL __LZO_CMODEL __cdecl -# else -# define __LZO_CDECL __LZO_CMODEL -# endif -#endif -#if !defined(__LZO_ENTRY) -# define __LZO_ENTRY __LZO_CDECL -#endif - -/* C++ exception specification for extern "C" function types */ -#if !defined(__cplusplus) -# undef LZO_NOTHROW -# define LZO_NOTHROW -#elif !defined(LZO_NOTHROW) -# define LZO_NOTHROW -#endif - - -typedef int -(__LZO_ENTRY *lzo_compress_t) ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -typedef int -(__LZO_ENTRY *lzo_decompress_t) ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -typedef int -(__LZO_ENTRY *lzo_optimize_t) ( lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -typedef int -(__LZO_ENTRY *lzo_compress_dict_t)(const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem, - const lzo_byte *dict, lzo_uint dict_len ); - -typedef int -(__LZO_ENTRY *lzo_decompress_dict_t)(const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem, - const lzo_byte *dict, lzo_uint dict_len ); - - -/* assembler versions always use __cdecl */ -typedef int -(__LZO_CDECL *lzo_compress_asm_t)( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -typedef int -(__LZO_CDECL *lzo_decompress_asm_t)( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - - -/* a progress indicator callback function */ -typedef void (__LZO_ENTRY *lzo_progress_callback_t) (lzo_uint, lzo_uint); - - -/*********************************************************************** -// export information -************************************************************************/ - -/* DLL export information */ -#if !defined(__LZO_EXPORT1) -# define __LZO_EXPORT1 -#endif -#if !defined(__LZO_EXPORT2) -# define __LZO_EXPORT2 -#endif - -/* exported calling convention for C functions */ -#if !defined(LZO_PUBLIC) -# define LZO_PUBLIC(_rettype) \ - __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_ENTRY -#endif -#if !defined(LZO_EXTERN) -# define LZO_EXTERN(_rettype) __LZO_EXTERN_C LZO_PUBLIC(_rettype) -#endif -#if !defined(LZO_PRIVATE) -# define LZO_PRIVATE(_rettype) static _rettype __LZO_ENTRY -#endif - -/* exported __cdecl calling convention for assembler functions */ -#if !defined(LZO_PUBLIC_CDECL) -# define LZO_PUBLIC_CDECL(_rettype) \ - __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_CDECL -#endif -#if !defined(LZO_EXTERN_CDECL) -# define LZO_EXTERN_CDECL(_rettype) __LZO_EXTERN_C LZO_PUBLIC_CDECL(_rettype) -#endif - -/* exported global variables (LZO currently uses no static variables and - * is fully thread safe) */ -#if !defined(LZO_PUBLIC_VAR) -# define LZO_PUBLIC_VAR(_type) \ - __LZO_EXPORT1 _type __LZO_EXPORT2 __LZO_DMODEL -#endif -#if !defined(LZO_EXTERN_VAR) -# define LZO_EXTERN_VAR(_type) extern LZO_PUBLIC_VAR(_type) -#endif - - -/*********************************************************************** -// error codes and prototypes -************************************************************************/ - -/* Error codes for the compression/decompression functions. Negative - * values are errors, positive values will be used for special but - * normal events. - */ -#define LZO_E_OK 0 -#define LZO_E_ERROR (-1) -#define LZO_E_OUT_OF_MEMORY (-2) /* not used right now */ -#define LZO_E_NOT_COMPRESSIBLE (-3) /* not used right now */ -#define LZO_E_INPUT_OVERRUN (-4) -#define LZO_E_OUTPUT_OVERRUN (-5) -#define LZO_E_LOOKBEHIND_OVERRUN (-6) -#define LZO_E_EOF_NOT_FOUND (-7) -#define LZO_E_INPUT_NOT_CONSUMED (-8) - - -/* lzo_init() should be the first function you call. - * Check the return code ! - * - * lzo_init() is a macro to allow checking that the library and the - * compiler's view of various types are consistent. - */ -#define lzo_init() __lzo_init2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\ - (int)sizeof(long),(int)sizeof(lzo_uint32),(int)sizeof(lzo_uint),\ - (int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\ - (int)sizeof(lzo_compress_t)) -LZO_EXTERN(int) __lzo_init2(unsigned,int,int,int,int,int,int,int,int,int); - -/* version functions (useful for shared libraries) */ -LZO_EXTERN(unsigned) lzo_version(void); -LZO_EXTERN(const char *) lzo_version_string(void); -LZO_EXTERN(const char *) lzo_version_date(void); -LZO_EXTERN(const lzo_charp) _lzo_version_string(void); -LZO_EXTERN(const lzo_charp) _lzo_version_date(void); - -/* string functions */ -LZO_EXTERN(int) -lzo_memcmp(const lzo_voidp _s1, const lzo_voidp _s2, lzo_uint _len); -LZO_EXTERN(lzo_voidp) -lzo_memcpy(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len); -LZO_EXTERN(lzo_voidp) -lzo_memmove(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len); -LZO_EXTERN(lzo_voidp) -lzo_memset(lzo_voidp _s, int _c, lzo_uint _len); - -/* checksum functions */ -LZO_EXTERN(lzo_uint32) -lzo_adler32(lzo_uint32 _adler, const lzo_byte *_buf, lzo_uint _len); -LZO_EXTERN(lzo_uint32) -lzo_crc32(lzo_uint32 _c, const lzo_byte *_buf, lzo_uint _len); - -/* misc. */ -LZO_EXTERN(lzo_bool) lzo_assert(int _expr); -LZO_EXTERN(int) _lzo_config_check(void); -typedef union { lzo_bytep p; lzo_uint u; } __lzo_pu_u; -typedef union { lzo_bytep p; lzo_uint32 u32; } __lzo_pu32_u; -typedef union { void *vp; lzo_bytep bp; lzo_uint32 u32; long l; } lzo_align_t; - -/* align a char pointer on a boundary that is a multiple of `size' */ -LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp _ptr, lzo_uint _size); -#define LZO_PTR_ALIGN_UP(_ptr,_size) \ - ((_ptr) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(_ptr),(lzo_uint)(_size))) - -/* deprecated - only for backward compatibility */ -#define LZO_ALIGN(_ptr,_size) LZO_PTR_ALIGN_UP(_ptr,_size) - - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif /* already included */ - +/* lzoconf.h -- configuration for the LZO real-time data compression library + + This file is part of the LZO real-time data compression library. + + Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + All Rights Reserved. + + The LZO library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of + the License, or (at your option) any later version. + + The LZO library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with the LZO library; see the file COPYING. + If not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Markus F.X.J. Oberhumer + + http://www.oberhumer.com/opensource/lzo/ + */ + + +#ifndef __LZOCONF_H +#define __LZOCONF_H + +#define LZO_VERSION 0x1080 +#define LZO_VERSION_STRING "1.08" +#define LZO_VERSION_DATE "Jul 12 2002" + +/* internal Autoconf configuration file - only used when building LZO */ +#if defined(LZO_HAVE_CONFIG_H) +# include +#endif +#include + +#ifdef __cplusplus +extern "C" { +#endif + + +/*********************************************************************** +// LZO requires a conforming +************************************************************************/ + +#if !defined(CHAR_BIT) || (CHAR_BIT != 8) +# error "invalid CHAR_BIT" +#endif +#if !defined(UCHAR_MAX) || !defined(UINT_MAX) || !defined(ULONG_MAX) +# error "check your compiler installation" +#endif +#if (USHRT_MAX < 1) || (UINT_MAX < 1) || (ULONG_MAX < 1) +# error "your limits.h macros are broken" +#endif + +/* workaround a cpp bug under hpux 10.20 */ +#define LZO_0xffffffffL 4294967295ul + +#if !defined(LZO_UINT32_C) +# if (UINT_MAX < LZO_0xffffffffL) +# define LZO_UINT32_C(c) c ## UL +# else +# define LZO_UINT32_C(c) c ## U +# endif +#endif + + +/*********************************************************************** +// architecture defines +************************************************************************/ + +#if !defined(__LZO_WIN) && !defined(__LZO_DOS) && !defined(__LZO_OS2) +# if defined(__WINDOWS__) || defined(_WINDOWS) || defined(_Windows) +# define __LZO_WIN +# elif defined(__WIN32__) || defined(_WIN32) || defined(WIN32) +# define __LZO_WIN +# elif defined(__NT__) || defined(__NT_DLL__) || defined(__WINDOWS_386__) +# define __LZO_WIN +# elif defined(__DOS__) || defined(__MSDOS__) || defined(MSDOS) +# define __LZO_DOS +# elif defined(__OS2__) || defined(__OS2V2__) || defined(OS2) +# define __LZO_OS2 +# elif defined(__palmos__) +# define __LZO_PALMOS +# elif defined(__TOS__) || defined(__atarist__) +# define __LZO_TOS +# endif +#endif + +#if (UINT_MAX < LZO_0xffffffffL) +# if defined(__LZO_WIN) +# define __LZO_WIN16 +# elif defined(__LZO_DOS) +# define __LZO_DOS16 +# elif defined(__LZO_PALMOS) +# define __LZO_PALMOS16 +# elif defined(__LZO_TOS) +# define __LZO_TOS16 +# elif defined(__C166__) +# else + /* porting hint: for pure 16-bit architectures try compiling + * everything with -D__LZO_STRICT_16BIT */ +# error "16-bit target not supported - contact me for porting hints" +# endif +#endif + +#if !defined(__LZO_i386) +# if defined(__LZO_DOS) || defined(__LZO_WIN16) +# define __LZO_i386 +# elif defined(__i386__) || defined(__386__) || defined(_M_IX86) +# define __LZO_i386 +# endif +#endif + +#if defined(__LZO_STRICT_16BIT) +# if (UINT_MAX < LZO_0xffffffffL) +# include +# endif +#endif + +/* memory checkers */ +#if !defined(__LZO_CHECKER) +# if defined(__BOUNDS_CHECKING_ON) +# define __LZO_CHECKER +# elif defined(__CHECKER__) +# define __LZO_CHECKER +# elif defined(__INSURE__) +# define __LZO_CHECKER +# elif defined(__PURIFY__) +# define __LZO_CHECKER +# endif +#endif + + +/*********************************************************************** +// integral and pointer types +************************************************************************/ + +/* Integral types with 32 bits or more */ +#if !defined(LZO_UINT32_MAX) +# if (UINT_MAX >= LZO_0xffffffffL) + typedef unsigned int lzo_uint32; + typedef int lzo_int32; +# define LZO_UINT32_MAX UINT_MAX +# define LZO_INT32_MAX INT_MAX +# define LZO_INT32_MIN INT_MIN +# elif (ULONG_MAX >= LZO_0xffffffffL) + typedef unsigned long lzo_uint32; + typedef long lzo_int32; +# define LZO_UINT32_MAX ULONG_MAX +# define LZO_INT32_MAX LONG_MAX +# define LZO_INT32_MIN LONG_MIN +# else +# error "lzo_uint32" +# endif +#endif + +/* lzo_uint is used like size_t */ +#if !defined(LZO_UINT_MAX) +# if (UINT_MAX >= LZO_0xffffffffL) + typedef unsigned int lzo_uint; + typedef int lzo_int; +# define LZO_UINT_MAX UINT_MAX +# define LZO_INT_MAX INT_MAX +# define LZO_INT_MIN INT_MIN +# elif (ULONG_MAX >= LZO_0xffffffffL) + typedef unsigned long lzo_uint; + typedef long lzo_int; +# define LZO_UINT_MAX ULONG_MAX +# define LZO_INT_MAX LONG_MAX +# define LZO_INT_MIN LONG_MIN +# else +# error "lzo_uint" +# endif +#endif + +typedef int lzo_bool; + + +/*********************************************************************** +// memory models +************************************************************************/ + +/* Memory model for the public code segment. */ +#if !defined(__LZO_CMODEL) +# if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define __LZO_CMODEL __far +# elif defined(__LZO_i386) && defined(__WATCOMC__) +# define __LZO_CMODEL __near +# else +# define __LZO_CMODEL +# endif +#endif + +/* Memory model for the public data segment. */ +#if !defined(__LZO_DMODEL) +# if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define __LZO_DMODEL __far +# elif defined(__LZO_i386) && defined(__WATCOMC__) +# define __LZO_DMODEL __near +# else +# define __LZO_DMODEL +# endif +#endif + +/* Memory model that allows to access memory at offsets of lzo_uint. */ +#if !defined(__LZO_MMODEL) +# if (LZO_UINT_MAX <= UINT_MAX) +# define __LZO_MMODEL +# elif defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define __LZO_MMODEL __huge +# define LZO_999_UNSUPPORTED +# elif defined(__LZO_PALMOS16) || defined(__LZO_TOS16) +# define __LZO_MMODEL +# else +# error "__LZO_MMODEL" +# endif +#endif + +/* no typedef here because of const-pointer issues */ +#define lzo_byte unsigned char __LZO_MMODEL +#define lzo_bytep unsigned char __LZO_MMODEL * +#define lzo_charp char __LZO_MMODEL * +#define lzo_voidp void __LZO_MMODEL * +#define lzo_shortp short __LZO_MMODEL * +#define lzo_ushortp unsigned short __LZO_MMODEL * +#define lzo_uint32p lzo_uint32 __LZO_MMODEL * +#define lzo_int32p lzo_int32 __LZO_MMODEL * +#define lzo_uintp lzo_uint __LZO_MMODEL * +#define lzo_intp lzo_int __LZO_MMODEL * +#define lzo_voidpp lzo_voidp __LZO_MMODEL * +#define lzo_bytepp lzo_bytep __LZO_MMODEL * + +#ifndef lzo_sizeof_dict_t +# define lzo_sizeof_dict_t sizeof(lzo_bytep) +#endif + + +/*********************************************************************** +// calling conventions and function types +************************************************************************/ + +/* linkage */ +#if !defined(__LZO_EXTERN_C) +# ifdef __cplusplus +# define __LZO_EXTERN_C extern "C" +# else +# define __LZO_EXTERN_C extern +# endif +#endif + +/* calling convention */ +#if !defined(__LZO_CDECL) +# if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define __LZO_CDECL __LZO_CMODEL __cdecl +# elif defined(__LZO_i386) && defined(_MSC_VER) +# define __LZO_CDECL __LZO_CMODEL __cdecl +# elif defined(__LZO_i386) && defined(__WATCOMC__) +# define __LZO_CDECL __LZO_CMODEL __cdecl +# else +# define __LZO_CDECL __LZO_CMODEL +# endif +#endif +#if !defined(__LZO_ENTRY) +# define __LZO_ENTRY __LZO_CDECL +#endif + +/* C++ exception specification for extern "C" function types */ +#if !defined(__cplusplus) +# undef LZO_NOTHROW +# define LZO_NOTHROW +#elif !defined(LZO_NOTHROW) +# define LZO_NOTHROW +#endif + + +typedef int +(__LZO_ENTRY *lzo_compress_t) ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +typedef int +(__LZO_ENTRY *lzo_decompress_t) ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +typedef int +(__LZO_ENTRY *lzo_optimize_t) ( lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +typedef int +(__LZO_ENTRY *lzo_compress_dict_t)(const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem, + const lzo_byte *dict, lzo_uint dict_len ); + +typedef int +(__LZO_ENTRY *lzo_decompress_dict_t)(const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem, + const lzo_byte *dict, lzo_uint dict_len ); + + +/* assembler versions always use __cdecl */ +typedef int +(__LZO_CDECL *lzo_compress_asm_t)( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +typedef int +(__LZO_CDECL *lzo_decompress_asm_t)( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + + +/* a progress indicator callback function */ +typedef void (__LZO_ENTRY *lzo_progress_callback_t) (lzo_uint, lzo_uint); + + +/*********************************************************************** +// export information +************************************************************************/ + +/* DLL export information */ +#if !defined(__LZO_EXPORT1) +# define __LZO_EXPORT1 +#endif +#if !defined(__LZO_EXPORT2) +# define __LZO_EXPORT2 +#endif + +/* exported calling convention for C functions */ +#if !defined(LZO_PUBLIC) +# define LZO_PUBLIC(_rettype) \ + __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_ENTRY +#endif +#if !defined(LZO_EXTERN) +# define LZO_EXTERN(_rettype) __LZO_EXTERN_C LZO_PUBLIC(_rettype) +#endif +#if !defined(LZO_PRIVATE) +# define LZO_PRIVATE(_rettype) static _rettype __LZO_ENTRY +#endif + +/* exported __cdecl calling convention for assembler functions */ +#if !defined(LZO_PUBLIC_CDECL) +# define LZO_PUBLIC_CDECL(_rettype) \ + __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_CDECL +#endif +#if !defined(LZO_EXTERN_CDECL) +# define LZO_EXTERN_CDECL(_rettype) __LZO_EXTERN_C LZO_PUBLIC_CDECL(_rettype) +#endif + +/* exported global variables (LZO currently uses no static variables and + * is fully thread safe) */ +#if !defined(LZO_PUBLIC_VAR) +# define LZO_PUBLIC_VAR(_type) \ + __LZO_EXPORT1 _type __LZO_EXPORT2 __LZO_DMODEL +#endif +#if !defined(LZO_EXTERN_VAR) +# define LZO_EXTERN_VAR(_type) extern LZO_PUBLIC_VAR(_type) +#endif + + +/*********************************************************************** +// error codes and prototypes +************************************************************************/ + +/* Error codes for the compression/decompression functions. Negative + * values are errors, positive values will be used for special but + * normal events. + */ +#define LZO_E_OK 0 +#define LZO_E_ERROR (-1) +#define LZO_E_OUT_OF_MEMORY (-2) /* not used right now */ +#define LZO_E_NOT_COMPRESSIBLE (-3) /* not used right now */ +#define LZO_E_INPUT_OVERRUN (-4) +#define LZO_E_OUTPUT_OVERRUN (-5) +#define LZO_E_LOOKBEHIND_OVERRUN (-6) +#define LZO_E_EOF_NOT_FOUND (-7) +#define LZO_E_INPUT_NOT_CONSUMED (-8) + + +/* lzo_init() should be the first function you call. + * Check the return code ! + * + * lzo_init() is a macro to allow checking that the library and the + * compiler's view of various types are consistent. + */ +#define lzo_init() __lzo_init2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\ + (int)sizeof(long),(int)sizeof(lzo_uint32),(int)sizeof(lzo_uint),\ + (int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\ + (int)sizeof(lzo_compress_t)) +LZO_EXTERN(int) __lzo_init2(unsigned,int,int,int,int,int,int,int,int,int); + +/* version functions (useful for shared libraries) */ +LZO_EXTERN(unsigned) lzo_version(void); +LZO_EXTERN(const char *) lzo_version_string(void); +LZO_EXTERN(const char *) lzo_version_date(void); +LZO_EXTERN(const lzo_charp) _lzo_version_string(void); +LZO_EXTERN(const lzo_charp) _lzo_version_date(void); + +/* string functions */ +LZO_EXTERN(int) +lzo_memcmp(const lzo_voidp _s1, const lzo_voidp _s2, lzo_uint _len); +LZO_EXTERN(lzo_voidp) +lzo_memcpy(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len); +LZO_EXTERN(lzo_voidp) +lzo_memmove(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len); +LZO_EXTERN(lzo_voidp) +lzo_memset(lzo_voidp _s, int _c, lzo_uint _len); + +/* checksum functions */ +LZO_EXTERN(lzo_uint32) +lzo_adler32(lzo_uint32 _adler, const lzo_byte *_buf, lzo_uint _len); +LZO_EXTERN(lzo_uint32) +lzo_crc32(lzo_uint32 _c, const lzo_byte *_buf, lzo_uint _len); + +/* misc. */ +LZO_EXTERN(lzo_bool) lzo_assert(int _expr); +LZO_EXTERN(int) _lzo_config_check(void); +typedef union { lzo_bytep p; lzo_uint u; } __lzo_pu_u; +typedef union { lzo_bytep p; lzo_uint32 u32; } __lzo_pu32_u; +typedef union { void *vp; lzo_bytep bp; lzo_uint32 u32; long l; } lzo_align_t; + +/* align a char pointer on a boundary that is a multiple of `size' */ +LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp _ptr, lzo_uint _size); +#define LZO_PTR_ALIGN_UP(_ptr,_size) \ + ((_ptr) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(_ptr),(lzo_uint)(_size))) + +/* deprecated - only for backward compatibility */ +#define LZO_ALIGN(_ptr,_size) LZO_PTR_ALIGN_UP(_ptr,_size) + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* already included */ + diff --git a/libvncclient/minilzo.c b/libvncclient/minilzo.c index 8419b8b..85771eb 100644 --- a/libvncclient/minilzo.c +++ b/libvncclient/minilzo.c @@ -1,2935 +1,2935 @@ -/* minilzo.c -- mini subset of the LZO real-time data compression library - - This file is part of the LZO real-time data compression library. - - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer - All Rights Reserved. - - The LZO library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - - The LZO library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the LZO library; see the file COPYING. - If not, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - Markus F.X.J. Oberhumer - - http://www.oberhumer.com/opensource/lzo/ - */ - -/* - * NOTE: - * the full LZO package can be found at - * http://www.oberhumer.com/opensource/lzo/ - */ - -#define __LZO_IN_MINILZO -#define LZO_BUILD - -#ifdef MINILZO_HAVE_CONFIG_H -# include -#endif - -#undef LZO_HAVE_CONFIG_H -#include "minilzo.h" - -#if !defined(MINILZO_VERSION) || (MINILZO_VERSION != 0x1080) -# error "version mismatch in miniLZO source files" -#endif - -#ifdef MINILZO_HAVE_CONFIG_H -# define LZO_HAVE_CONFIG_H -#endif - -#if !defined(LZO_NO_SYS_TYPES_H) -# include -#endif -#include - -#ifndef __LZO_CONF_H -#define __LZO_CONF_H - -#if !defined(__LZO_IN_MINILZO) -# ifndef __LZOCONF_H -# include -# endif -#endif - -#if defined(__BOUNDS_CHECKING_ON) -# include -#else -# define BOUNDS_CHECKING_OFF_DURING(stmt) stmt -# define BOUNDS_CHECKING_OFF_IN_EXPR(expr) (expr) -#endif - -#if !defined(LZO_HAVE_CONFIG_H) -# include -# include -# if !defined(NO_STDLIB_H) -# include -# endif -# define HAVE_MEMCMP -# define HAVE_MEMCPY -# define HAVE_MEMMOVE -# define HAVE_MEMSET -#else -# include -# if defined(HAVE_STDDEF_H) -# include -# endif -# if defined(STDC_HEADERS) -# include -# include -# endif -#endif - -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define HAVE_MALLOC_H -# define HAVE_HALLOC -#endif - -#undef NDEBUG -#if !defined(LZO_DEBUG) -# define NDEBUG -#endif -#if defined(LZO_DEBUG) || !defined(NDEBUG) -# if !defined(NO_STDIO_H) -# include -# endif -#endif -#include - -#if !defined(LZO_COMPILE_TIME_ASSERT) -# define LZO_COMPILE_TIME_ASSERT(expr) \ - { typedef int __lzo_compile_time_assert_fail[1 - 2 * !(expr)]; } -#endif - -#if !defined(LZO_UNUSED) -# if 1 -# define LZO_UNUSED(var) ((void)&var) -# elif 0 -# define LZO_UNUSED(var) { typedef int __lzo_unused[sizeof(var) ? 2 : 1]; } -# else -# define LZO_UNUSED(parm) (parm = parm) -# endif -#endif - -#if !defined(__inline__) && !defined(__GNUC__) -# if defined(__cplusplus) -# define __inline__ inline -# else -# define __inline__ -# endif -#endif - -#if defined(NO_MEMCMP) -# undef HAVE_MEMCMP -#endif - -#if !defined(HAVE_MEMCMP) -# undef memcmp -# define memcmp lzo_memcmp -#endif -#if !defined(HAVE_MEMCPY) -# undef memcpy -# define memcpy lzo_memcpy -#endif -#if !defined(HAVE_MEMMOVE) -# undef memmove -# define memmove lzo_memmove -#endif -#if !defined(HAVE_MEMSET) -# undef memset -# define memset lzo_memset -#endif - -#if 0 -# define LZO_BYTE(x) ((unsigned char) (x)) -#else -# define LZO_BYTE(x) ((unsigned char) ((x) & 0xff)) -#endif - -#define LZO_MAX(a,b) ((a) >= (b) ? (a) : (b)) -#define LZO_MIN(a,b) ((a) <= (b) ? (a) : (b)) -#define LZO_MAX3(a,b,c) ((a) >= (b) ? LZO_MAX(a,c) : LZO_MAX(b,c)) -#define LZO_MIN3(a,b,c) ((a) <= (b) ? LZO_MIN(a,c) : LZO_MIN(b,c)) - -#define lzo_sizeof(type) ((lzo_uint) (sizeof(type))) - -#define LZO_HIGH(array) ((lzo_uint) (sizeof(array)/sizeof(*(array)))) - -#define LZO_SIZE(bits) (1u << (bits)) -#define LZO_MASK(bits) (LZO_SIZE(bits) - 1) - -#define LZO_LSIZE(bits) (1ul << (bits)) -#define LZO_LMASK(bits) (LZO_LSIZE(bits) - 1) - -#define LZO_USIZE(bits) ((lzo_uint) 1 << (bits)) -#define LZO_UMASK(bits) (LZO_USIZE(bits) - 1) - -#define LZO_STYPE_MAX(b) (((1l << (8*(b)-2)) - 1l) + (1l << (8*(b)-2))) -#define LZO_UTYPE_MAX(b) (((1ul << (8*(b)-1)) - 1ul) + (1ul << (8*(b)-1))) - -#if !defined(SIZEOF_UNSIGNED) -# if (UINT_MAX == 0xffff) -# define SIZEOF_UNSIGNED 2 -# elif (UINT_MAX == LZO_0xffffffffL) -# define SIZEOF_UNSIGNED 4 -# elif (UINT_MAX >= LZO_0xffffffffL) -# define SIZEOF_UNSIGNED 8 -# else -# error "SIZEOF_UNSIGNED" -# endif -#endif - -#if !defined(SIZEOF_UNSIGNED_LONG) -# if (ULONG_MAX == LZO_0xffffffffL) -# define SIZEOF_UNSIGNED_LONG 4 -# elif (ULONG_MAX >= LZO_0xffffffffL) -# define SIZEOF_UNSIGNED_LONG 8 -# else -# error "SIZEOF_UNSIGNED_LONG" -# endif -#endif - -#if !defined(SIZEOF_SIZE_T) -# define SIZEOF_SIZE_T SIZEOF_UNSIGNED -#endif -#if !defined(SIZE_T_MAX) -# define SIZE_T_MAX LZO_UTYPE_MAX(SIZEOF_SIZE_T) -#endif - -#if 1 && defined(__LZO_i386) && (UINT_MAX == LZO_0xffffffffL) -# if !defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX == 0xffff) -# define LZO_UNALIGNED_OK_2 -# endif -# if !defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX == LZO_0xffffffffL) -# define LZO_UNALIGNED_OK_4 -# endif -#endif - -#if defined(LZO_UNALIGNED_OK_2) || defined(LZO_UNALIGNED_OK_4) -# if !defined(LZO_UNALIGNED_OK) -# define LZO_UNALIGNED_OK -# endif -#endif - -#if defined(__LZO_NO_UNALIGNED) -# undef LZO_UNALIGNED_OK -# undef LZO_UNALIGNED_OK_2 -# undef LZO_UNALIGNED_OK_4 -#endif - -#if defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX != 0xffff) -# error "LZO_UNALIGNED_OK_2 must not be defined on this system" -#endif -#if defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL) -# error "LZO_UNALIGNED_OK_4 must not be defined on this system" -#endif - -#if defined(__LZO_NO_ALIGNED) -# undef LZO_ALIGNED_OK_4 -#endif - -#if defined(LZO_ALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL) -# error "LZO_ALIGNED_OK_4 must not be defined on this system" -#endif - -#define LZO_LITTLE_ENDIAN 1234 -#define LZO_BIG_ENDIAN 4321 -#define LZO_PDP_ENDIAN 3412 - -#if !defined(LZO_BYTE_ORDER) -# if defined(MFX_BYTE_ORDER) -# define LZO_BYTE_ORDER MFX_BYTE_ORDER -# elif defined(__LZO_i386) -# define LZO_BYTE_ORDER LZO_LITTLE_ENDIAN -# elif defined(BYTE_ORDER) -# define LZO_BYTE_ORDER BYTE_ORDER -# elif defined(__BYTE_ORDER) -# define LZO_BYTE_ORDER __BYTE_ORDER -# endif -#endif - -#if defined(LZO_BYTE_ORDER) -# if (LZO_BYTE_ORDER != LZO_LITTLE_ENDIAN) && \ - (LZO_BYTE_ORDER != LZO_BIG_ENDIAN) -# error "invalid LZO_BYTE_ORDER" -# endif -#endif - -#if defined(LZO_UNALIGNED_OK) && !defined(LZO_BYTE_ORDER) -# error "LZO_BYTE_ORDER is not defined" -#endif - -#define LZO_OPTIMIZE_GNUC_i386_IS_BUGGY - -#if defined(NDEBUG) && !defined(LZO_DEBUG) && !defined(__LZO_CHECKER) -# if defined(__GNUC__) && defined(__i386__) -# if !defined(LZO_OPTIMIZE_GNUC_i386_IS_BUGGY) -# define LZO_OPTIMIZE_GNUC_i386 -# endif -# endif -#endif - -__LZO_EXTERN_C int __lzo_init_done; -__LZO_EXTERN_C const lzo_byte __lzo_copyright[]; -LZO_EXTERN(const lzo_byte *) lzo_copyright(void); -__LZO_EXTERN_C const lzo_uint32 _lzo_crc32_table[256]; - -#define _LZO_STRINGIZE(x) #x -#define _LZO_MEXPAND(x) _LZO_STRINGIZE(x) - -#define _LZO_CONCAT2(a,b) a ## b -#define _LZO_CONCAT3(a,b,c) a ## b ## c -#define _LZO_CONCAT4(a,b,c,d) a ## b ## c ## d -#define _LZO_CONCAT5(a,b,c,d,e) a ## b ## c ## d ## e - -#define _LZO_ECONCAT2(a,b) _LZO_CONCAT2(a,b) -#define _LZO_ECONCAT3(a,b,c) _LZO_CONCAT3(a,b,c) -#define _LZO_ECONCAT4(a,b,c,d) _LZO_CONCAT4(a,b,c,d) -#define _LZO_ECONCAT5(a,b,c,d,e) _LZO_CONCAT5(a,b,c,d,e) - -#if 0 - -#define __LZO_IS_COMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) -#define __LZO_QUERY_COMPRESS(i,il,o,ol,w,n,s) \ - (*ol = (n)*(s), LZO_E_OK) - -#define __LZO_IS_DECOMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) -#define __LZO_QUERY_DECOMPRESS(i,il,o,ol,w,n,s) \ - (*ol = (n)*(s), LZO_E_OK) - -#define __LZO_IS_OPTIMIZE_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) -#define __LZO_QUERY_OPTIMIZE(i,il,o,ol,w,n,s) \ - (*ol = (n)*(s), LZO_E_OK) - -#endif - -#ifndef __LZO_PTR_H -#define __LZO_PTR_H - -#ifdef __cplusplus -extern "C" { -#endif - -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# include -# if 1 && defined(__WATCOMC__) -# include - __LZO_EXTERN_C unsigned char _HShift; -# define __LZO_HShift _HShift -# elif 1 && defined(_MSC_VER) - __LZO_EXTERN_C unsigned short __near _AHSHIFT; -# define __LZO_HShift ((unsigned) &_AHSHIFT) -# elif defined(__LZO_WIN16) -# define __LZO_HShift 3 -# else -# define __LZO_HShift 12 -# endif -# if !defined(_FP_SEG) && defined(FP_SEG) -# define _FP_SEG FP_SEG -# endif -# if !defined(_FP_OFF) && defined(FP_OFF) -# define _FP_OFF FP_OFF -# endif -#endif - -#if !defined(lzo_ptrdiff_t) -# if (UINT_MAX >= LZO_0xffffffffL) - typedef ptrdiff_t lzo_ptrdiff_t; -# else - typedef long lzo_ptrdiff_t; -# endif -#endif - -#if !defined(__LZO_HAVE_PTR_T) -# if defined(lzo_ptr_t) -# define __LZO_HAVE_PTR_T -# endif -#endif -#if !defined(__LZO_HAVE_PTR_T) -# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_LONG) -# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_LONG) - typedef unsigned long lzo_ptr_t; - typedef long lzo_sptr_t; -# define __LZO_HAVE_PTR_T -# endif -# endif -#endif -#if !defined(__LZO_HAVE_PTR_T) -# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED) -# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED) - typedef unsigned int lzo_ptr_t; - typedef int lzo_sptr_t; -# define __LZO_HAVE_PTR_T -# endif -# endif -#endif -#if !defined(__LZO_HAVE_PTR_T) -# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_SHORT) -# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_SHORT) - typedef unsigned short lzo_ptr_t; - typedef short lzo_sptr_t; -# define __LZO_HAVE_PTR_T -# endif -# endif -#endif -#if !defined(__LZO_HAVE_PTR_T) -# if defined(LZO_HAVE_CONFIG_H) || defined(SIZEOF_CHAR_P) -# error "no suitable type for lzo_ptr_t" -# else - typedef unsigned long lzo_ptr_t; - typedef long lzo_sptr_t; -# define __LZO_HAVE_PTR_T -# endif -#endif - -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) -#define PTR(a) ((lzo_bytep) (a)) -#define PTR_ALIGNED_4(a) ((_FP_OFF(a) & 3) == 0) -#define PTR_ALIGNED2_4(a,b) (((_FP_OFF(a) | _FP_OFF(b)) & 3) == 0) -#else -#define PTR(a) ((lzo_ptr_t) (a)) -#define PTR_LINEAR(a) PTR(a) -#define PTR_ALIGNED_4(a) ((PTR_LINEAR(a) & 3) == 0) -#define PTR_ALIGNED_8(a) ((PTR_LINEAR(a) & 7) == 0) -#define PTR_ALIGNED2_4(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 3) == 0) -#define PTR_ALIGNED2_8(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 7) == 0) -#endif - -#define PTR_LT(a,b) (PTR(a) < PTR(b)) -#define PTR_GE(a,b) (PTR(a) >= PTR(b)) -#define PTR_DIFF(a,b) ((lzo_ptrdiff_t) (PTR(a) - PTR(b))) -#define pd(a,b) ((lzo_uint) ((a)-(b))) - -LZO_EXTERN(lzo_ptr_t) -__lzo_ptr_linear(const lzo_voidp ptr); - -typedef union -{ - char a_char; - unsigned char a_uchar; - short a_short; - unsigned short a_ushort; - int a_int; - unsigned int a_uint; - long a_long; - unsigned long a_ulong; - lzo_int a_lzo_int; - lzo_uint a_lzo_uint; - lzo_int32 a_lzo_int32; - lzo_uint32 a_lzo_uint32; - ptrdiff_t a_ptrdiff_t; - lzo_ptrdiff_t a_lzo_ptrdiff_t; - lzo_ptr_t a_lzo_ptr_t; - lzo_voidp a_lzo_voidp; - void * a_void_p; - lzo_bytep a_lzo_bytep; - lzo_bytepp a_lzo_bytepp; - lzo_uintp a_lzo_uintp; - lzo_uint * a_lzo_uint_p; - lzo_uint32p a_lzo_uint32p; - lzo_uint32 * a_lzo_uint32_p; - unsigned char * a_uchar_p; - char * a_char_p; -} -lzo_full_align_t; - -#ifdef __cplusplus -} -#endif - -#endif - -#define LZO_DETERMINISTIC - -#define LZO_DICT_USE_PTR -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) || defined(__LZO_STRICT_16BIT) -# undef LZO_DICT_USE_PTR -#endif - -#if defined(LZO_DICT_USE_PTR) -# define lzo_dict_t const lzo_bytep -# define lzo_dict_p lzo_dict_t __LZO_MMODEL * -#else -# define lzo_dict_t lzo_uint -# define lzo_dict_p lzo_dict_t __LZO_MMODEL * -#endif - -#if !defined(lzo_moff_t) -#define lzo_moff_t lzo_uint -#endif - -#endif - -LZO_PUBLIC(lzo_ptr_t) -__lzo_ptr_linear(const lzo_voidp ptr) -{ - lzo_ptr_t p; - -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) - p = (((lzo_ptr_t)(_FP_SEG(ptr))) << (16 - __LZO_HShift)) + (_FP_OFF(ptr)); -#else - p = PTR_LINEAR(ptr); -#endif - - return p; -} - -LZO_PUBLIC(unsigned) -__lzo_align_gap(const lzo_voidp ptr, lzo_uint size) -{ - lzo_ptr_t p, s, n; - - assert(size > 0); - - p = __lzo_ptr_linear(ptr); - s = (lzo_ptr_t) (size - 1); -#if 0 - assert((size & (size - 1)) == 0); - n = ((p + s) & ~s) - p; -#else - n = (((p + s) / size) * size) - p; -#endif - - assert((long)n >= 0); - assert(n <= s); - - return (unsigned)n; -} - -#ifndef __LZO_UTIL_H -#define __LZO_UTIL_H - -#ifndef __LZO_CONF_H -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -#if 1 && defined(HAVE_MEMCPY) -#if !defined(__LZO_DOS16) && !defined(__LZO_WIN16) - -#define MEMCPY8_DS(dest,src,len) \ - memcpy(dest,src,len); \ - dest += len; \ - src += len - -#endif -#endif - -#if 0 && !defined(MEMCPY8_DS) - -#define MEMCPY8_DS(dest,src,len) \ - { do { \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - len -= 8; \ - } while (len > 0); } - -#endif - -#if !defined(MEMCPY8_DS) - -#define MEMCPY8_DS(dest,src,len) \ - { register lzo_uint __l = (len) / 8; \ - do { \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - } while (--__l > 0); } - -#endif - -#define MEMCPY_DS(dest,src,len) \ - do *dest++ = *src++; \ - while (--len > 0) - -#define MEMMOVE_DS(dest,src,len) \ - do *dest++ = *src++; \ - while (--len > 0) - -#if 0 && defined(LZO_OPTIMIZE_GNUC_i386) - -#define BZERO8_PTR(s,l,n) \ -__asm__ __volatile__( \ - "movl %0,%%eax \n" \ - "movl %1,%%edi \n" \ - "movl %2,%%ecx \n" \ - "cld \n" \ - "rep \n" \ - "stosl %%eax,(%%edi) \n" \ - : \ - :"g" (0),"g" (s),"g" (n) \ - :"eax","edi","ecx", "memory", "cc" \ -) - -#elif (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET) - -#if 1 -#define BZERO8_PTR(s,l,n) memset((s),0,(lzo_uint)(l)*(n)) -#else -#define BZERO8_PTR(s,l,n) memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) -#endif - -#else - -#define BZERO8_PTR(s,l,n) \ - lzo_memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) - -#endif - -#if 0 -#if defined(__GNUC__) && defined(__i386__) - -unsigned char lzo_rotr8(unsigned char value, int shift); -extern __inline__ unsigned char lzo_rotr8(unsigned char value, int shift) -{ - unsigned char result; - - __asm__ __volatile__ ("movb %b1, %b0; rorb %b2, %b0" - : "=a"(result) : "g"(value), "c"(shift)); - return result; -} - -unsigned short lzo_rotr16(unsigned short value, int shift); -extern __inline__ unsigned short lzo_rotr16(unsigned short value, int shift) -{ - unsigned short result; - - __asm__ __volatile__ ("movw %b1, %b0; rorw %b2, %b0" - : "=a"(result) : "g"(value), "c"(shift)); - return result; -} - -#endif -#endif - -#ifdef __cplusplus -} -#endif - -#endif - -LZO_PUBLIC(lzo_bool) -lzo_assert(int expr) -{ - return (expr) ? 1 : 0; -} - -/* If you use the LZO library in a product, you *must* keep this - * copyright string in the executable of your product. - */ - -const lzo_byte __lzo_copyright[] = -#if !defined(__LZO_IN_MINLZO) - LZO_VERSION_STRING; -#else - "\n\n\n" - "LZO real-time data compression library.\n" - "Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer\n" - "\n" - "http://www.oberhumer.com/opensource/lzo/\n" - "\n" - "LZO version: v" LZO_VERSION_STRING ", " LZO_VERSION_DATE "\n" - "LZO build date: " __DATE__ " " __TIME__ "\n\n" - "LZO special compilation options:\n" -#ifdef __cplusplus - " __cplusplus\n" -#endif -#if defined(__PIC__) - " __PIC__\n" -#elif defined(__pic__) - " __pic__\n" -#endif -#if (UINT_MAX < LZO_0xffffffffL) - " 16BIT\n" -#endif -#if defined(__LZO_STRICT_16BIT) - " __LZO_STRICT_16BIT\n" -#endif -#if (UINT_MAX > LZO_0xffffffffL) - " UINT_MAX=" _LZO_MEXPAND(UINT_MAX) "\n" -#endif -#if (ULONG_MAX > LZO_0xffffffffL) - " ULONG_MAX=" _LZO_MEXPAND(ULONG_MAX) "\n" -#endif -#if defined(LZO_BYTE_ORDER) - " LZO_BYTE_ORDER=" _LZO_MEXPAND(LZO_BYTE_ORDER) "\n" -#endif -#if defined(LZO_UNALIGNED_OK_2) - " LZO_UNALIGNED_OK_2\n" -#endif -#if defined(LZO_UNALIGNED_OK_4) - " LZO_UNALIGNED_OK_4\n" -#endif -#if defined(LZO_ALIGNED_OK_4) - " LZO_ALIGNED_OK_4\n" -#endif -#if defined(LZO_DICT_USE_PTR) - " LZO_DICT_USE_PTR\n" -#endif -#if defined(__LZO_QUERY_COMPRESS) - " __LZO_QUERY_COMPRESS\n" -#endif -#if defined(__LZO_QUERY_DECOMPRESS) - " __LZO_QUERY_DECOMPRESS\n" -#endif -#if defined(__LZO_IN_MINILZO) - " __LZO_IN_MINILZO\n" -#endif - "\n\n" - "$Id: LZO " LZO_VERSION_STRING " built " __DATE__ " " __TIME__ -#if defined(__GNUC__) && defined(__VERSION__) - " by gcc " __VERSION__ -#elif defined(__BORLANDC__) - " by Borland C " _LZO_MEXPAND(__BORLANDC__) -#elif defined(_MSC_VER) - " by Microsoft C " _LZO_MEXPAND(_MSC_VER) -#elif defined(__PUREC__) - " by Pure C " _LZO_MEXPAND(__PUREC__) -#elif defined(__SC__) - " by Symantec C " _LZO_MEXPAND(__SC__) -#elif defined(__TURBOC__) - " by Turbo C " _LZO_MEXPAND(__TURBOC__) -#elif defined(__WATCOMC__) - " by Watcom C " _LZO_MEXPAND(__WATCOMC__) -#endif - " $\n" - "$Copyright: LZO (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer $\n"; -#endif - -LZO_PUBLIC(const lzo_byte *) -lzo_copyright(void) -{ - return __lzo_copyright; -} - -LZO_PUBLIC(unsigned) -lzo_version(void) -{ - return LZO_VERSION; -} - -LZO_PUBLIC(const char *) -lzo_version_string(void) -{ - return LZO_VERSION_STRING; -} - -LZO_PUBLIC(const char *) -lzo_version_date(void) -{ - return LZO_VERSION_DATE; -} - -LZO_PUBLIC(const lzo_charp) -_lzo_version_string(void) -{ - return LZO_VERSION_STRING; -} - -LZO_PUBLIC(const lzo_charp) -_lzo_version_date(void) -{ - return LZO_VERSION_DATE; -} - -#define LZO_BASE 65521u -#define LZO_NMAX 5552 - -#define LZO_DO1(buf,i) {s1 += buf[i]; s2 += s1;} -#define LZO_DO2(buf,i) LZO_DO1(buf,i); LZO_DO1(buf,i+1); -#define LZO_DO4(buf,i) LZO_DO2(buf,i); LZO_DO2(buf,i+2); -#define LZO_DO8(buf,i) LZO_DO4(buf,i); LZO_DO4(buf,i+4); -#define LZO_DO16(buf,i) LZO_DO8(buf,i); LZO_DO8(buf,i+8); - -LZO_PUBLIC(lzo_uint32) -lzo_adler32(lzo_uint32 adler, const lzo_byte *buf, lzo_uint len) -{ - lzo_uint32 s1 = adler & 0xffff; - lzo_uint32 s2 = (adler >> 16) & 0xffff; - int k; - - if (buf == NULL) - return 1; - - while (len > 0) - { - k = len < LZO_NMAX ? (int) len : LZO_NMAX; - len -= k; - if (k >= 16) do - { - LZO_DO16(buf,0); - buf += 16; - k -= 16; - } while (k >= 16); - if (k != 0) do - { - s1 += *buf++; - s2 += s1; - } while (--k > 0); - s1 %= LZO_BASE; - s2 %= LZO_BASE; - } - return (s2 << 16) | s1; -} - -LZO_PUBLIC(int) -lzo_memcmp(const lzo_voidp s1, const lzo_voidp s2, lzo_uint len) -{ -#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCMP) - return memcmp(s1,s2,len); -#else - const lzo_byte *p1 = (const lzo_byte *) s1; - const lzo_byte *p2 = (const lzo_byte *) s2; - int d; - - if (len > 0) do - { - d = *p1 - *p2; - if (d != 0) - return d; - p1++; - p2++; - } - while (--len > 0); - return 0; -#endif -} - -LZO_PUBLIC(lzo_voidp) -lzo_memcpy(lzo_voidp dest, const lzo_voidp src, lzo_uint len) -{ -#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCPY) - return memcpy(dest,src,len); -#else - lzo_byte *p1 = (lzo_byte *) dest; - const lzo_byte *p2 = (const lzo_byte *) src; - - if (len <= 0 || p1 == p2) - return dest; - do - *p1++ = *p2++; - while (--len > 0); - return dest; -#endif -} - -LZO_PUBLIC(lzo_voidp) -lzo_memmove(lzo_voidp dest, const lzo_voidp src, lzo_uint len) -{ -#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMMOVE) - return memmove(dest,src,len); -#else - lzo_byte *p1 = (lzo_byte *) dest; - const lzo_byte *p2 = (const lzo_byte *) src; - - if (len <= 0 || p1 == p2) - return dest; - - if (p1 < p2) - { - do - *p1++ = *p2++; - while (--len > 0); - } - else - { - p1 += len; - p2 += len; - do - *--p1 = *--p2; - while (--len > 0); - } - return dest; -#endif -} - -LZO_PUBLIC(lzo_voidp) -lzo_memset(lzo_voidp s, int c, lzo_uint len) -{ -#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET) - return memset(s,c,len); -#else - lzo_byte *p = (lzo_byte *) s; - - if (len > 0) do - *p++ = LZO_BYTE(c); - while (--len > 0); - return s; -#endif -} - -#if 0 -# define IS_SIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) < 0) -# define IS_UNSIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) > 0) -#else -# define IS_SIGNED(type) (((type) (-1)) < ((type) 0)) -# define IS_UNSIGNED(type) (((type) (-1)) > ((type) 0)) -#endif - -#define IS_POWER_OF_2(x) (((x) & ((x) - 1)) == 0) - -static lzo_bool schedule_insns_bug(void); -static lzo_bool strength_reduce_bug(int *); - -#if 0 || defined(LZO_DEBUG) -#include -static lzo_bool __lzo_assert_fail(const char *s, unsigned line) -{ -#if defined(__palmos__) - printf("LZO assertion failed in line %u: '%s'\n",line,s); -#else - fprintf(stderr,"LZO assertion failed in line %u: '%s'\n",line,s); -#endif - return 0; -} -# define __lzo_assert(x) ((x) ? 1 : __lzo_assert_fail(#x,__LINE__)) -#else -# define __lzo_assert(x) ((x) ? 1 : 0) -#endif - -#undef COMPILE_TIME_ASSERT -#if 0 -# define COMPILE_TIME_ASSERT(expr) r &= __lzo_assert(expr) -#else -# define COMPILE_TIME_ASSERT(expr) LZO_COMPILE_TIME_ASSERT(expr) -#endif - -static lzo_bool basic_integral_check(void) -{ - lzo_bool r = 1; - - COMPILE_TIME_ASSERT(CHAR_BIT == 8); - COMPILE_TIME_ASSERT(sizeof(char) == 1); - COMPILE_TIME_ASSERT(sizeof(short) >= 2); - COMPILE_TIME_ASSERT(sizeof(long) >= 4); - COMPILE_TIME_ASSERT(sizeof(int) >= sizeof(short)); - COMPILE_TIME_ASSERT(sizeof(long) >= sizeof(int)); - - COMPILE_TIME_ASSERT(sizeof(lzo_uint) == sizeof(lzo_int)); - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == sizeof(lzo_int32)); - - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= 4); - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= sizeof(unsigned)); -#if defined(__LZO_STRICT_16BIT) - COMPILE_TIME_ASSERT(sizeof(lzo_uint) == 2); -#else - COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= 4); - COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= sizeof(unsigned)); -#endif - -#if (USHRT_MAX == 65535u) - COMPILE_TIME_ASSERT(sizeof(short) == 2); -#elif (USHRT_MAX == LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(short) == 4); -#elif (USHRT_MAX >= LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(short) > 4); -#endif -#if (UINT_MAX == 65535u) - COMPILE_TIME_ASSERT(sizeof(int) == 2); -#elif (UINT_MAX == LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(int) == 4); -#elif (UINT_MAX >= LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(int) > 4); -#endif -#if (ULONG_MAX == 65535ul) - COMPILE_TIME_ASSERT(sizeof(long) == 2); -#elif (ULONG_MAX == LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(long) == 4); -#elif (ULONG_MAX >= LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(long) > 4); -#endif - -#if defined(SIZEOF_UNSIGNED) - COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED == sizeof(unsigned)); -#endif -#if defined(SIZEOF_UNSIGNED_LONG) - COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_LONG == sizeof(unsigned long)); -#endif -#if defined(SIZEOF_UNSIGNED_SHORT) - COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_SHORT == sizeof(unsigned short)); -#endif -#if !defined(__LZO_IN_MINILZO) -#if defined(SIZEOF_SIZE_T) - COMPILE_TIME_ASSERT(SIZEOF_SIZE_T == sizeof(size_t)); -#endif -#endif - - COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned char)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned short)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned long)); - COMPILE_TIME_ASSERT(IS_SIGNED(short)); - COMPILE_TIME_ASSERT(IS_SIGNED(int)); - COMPILE_TIME_ASSERT(IS_SIGNED(long)); - - COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint32)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint)); - COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int32)); - COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int)); - - COMPILE_TIME_ASSERT(INT_MAX == LZO_STYPE_MAX(sizeof(int))); - COMPILE_TIME_ASSERT(UINT_MAX == LZO_UTYPE_MAX(sizeof(unsigned))); - COMPILE_TIME_ASSERT(LONG_MAX == LZO_STYPE_MAX(sizeof(long))); - COMPILE_TIME_ASSERT(ULONG_MAX == LZO_UTYPE_MAX(sizeof(unsigned long))); - COMPILE_TIME_ASSERT(SHRT_MAX == LZO_STYPE_MAX(sizeof(short))); - COMPILE_TIME_ASSERT(USHRT_MAX == LZO_UTYPE_MAX(sizeof(unsigned short))); - COMPILE_TIME_ASSERT(LZO_UINT32_MAX == LZO_UTYPE_MAX(sizeof(lzo_uint32))); - COMPILE_TIME_ASSERT(LZO_UINT_MAX == LZO_UTYPE_MAX(sizeof(lzo_uint))); -#if !defined(__LZO_IN_MINILZO) - COMPILE_TIME_ASSERT(SIZE_T_MAX == LZO_UTYPE_MAX(sizeof(size_t))); -#endif - - r &= __lzo_assert(LZO_BYTE(257) == 1); - - return r; -} - -static lzo_bool basic_ptr_check(void) -{ - lzo_bool r = 1; - - COMPILE_TIME_ASSERT(sizeof(char *) >= sizeof(int)); - COMPILE_TIME_ASSERT(sizeof(lzo_byte *) >= sizeof(char *)); - - COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_byte *)); - COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_voidpp)); - COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_bytepp)); - COMPILE_TIME_ASSERT(sizeof(lzo_voidp) >= sizeof(lzo_uint)); - - COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_voidp)); - COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_sptr_t)); - COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) >= sizeof(lzo_uint)); - - COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= 4); - COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(ptrdiff_t)); - - COMPILE_TIME_ASSERT(sizeof(ptrdiff_t) >= sizeof(size_t)); - COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(lzo_uint)); - -#if defined(SIZEOF_CHAR_P) - COMPILE_TIME_ASSERT(SIZEOF_CHAR_P == sizeof(char *)); -#endif -#if defined(SIZEOF_PTRDIFF_T) - COMPILE_TIME_ASSERT(SIZEOF_PTRDIFF_T == sizeof(ptrdiff_t)); -#endif - - COMPILE_TIME_ASSERT(IS_SIGNED(ptrdiff_t)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(size_t)); - COMPILE_TIME_ASSERT(IS_SIGNED(lzo_ptrdiff_t)); - COMPILE_TIME_ASSERT(IS_SIGNED(lzo_sptr_t)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_ptr_t)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_moff_t)); - - return r; -} - -static lzo_bool ptr_check(void) -{ - lzo_bool r = 1; - int i; - char _wrkmem[10 * sizeof(lzo_byte *) + sizeof(lzo_full_align_t)]; - lzo_bytep wrkmem; - lzo_bytepp dict; - unsigned char x[4 * sizeof(lzo_full_align_t)]; - long d; - lzo_full_align_t a; - lzo_full_align_t u; - - for (i = 0; i < (int) sizeof(x); i++) - x[i] = LZO_BYTE(i); - - wrkmem = LZO_PTR_ALIGN_UP((lzo_byte *)_wrkmem,sizeof(lzo_full_align_t)); - -#if 0 - dict = (lzo_bytepp) wrkmem; -#else - - u.a_lzo_bytep = wrkmem; dict = u.a_lzo_bytepp; -#endif - - d = (long) ((const lzo_bytep) dict - (const lzo_bytep) _wrkmem); - r &= __lzo_assert(d >= 0); - r &= __lzo_assert(d < (long) sizeof(lzo_full_align_t)); - - memset(&a,0,sizeof(a)); - r &= __lzo_assert(a.a_lzo_voidp == NULL); - - memset(&a,0xff,sizeof(a)); - r &= __lzo_assert(a.a_ushort == USHRT_MAX); - r &= __lzo_assert(a.a_uint == UINT_MAX); - r &= __lzo_assert(a.a_ulong == ULONG_MAX); - r &= __lzo_assert(a.a_lzo_uint == LZO_UINT_MAX); - r &= __lzo_assert(a.a_lzo_uint32 == LZO_UINT32_MAX); - - if (r == 1) - { - for (i = 0; i < 8; i++) - r &= __lzo_assert((const lzo_voidp) (&dict[i]) == (const lzo_voidp) (&wrkmem[i * sizeof(lzo_byte *)])); - } - - memset(&a,0,sizeof(a)); - r &= __lzo_assert(a.a_char_p == NULL); - r &= __lzo_assert(a.a_lzo_bytep == NULL); - r &= __lzo_assert(NULL == (void *)0); - if (r == 1) - { - for (i = 0; i < 10; i++) - dict[i] = wrkmem; - BZERO8_PTR(dict+1,sizeof(dict[0]),8); - r &= __lzo_assert(dict[0] == wrkmem); - for (i = 1; i < 9; i++) - r &= __lzo_assert(dict[i] == NULL); - r &= __lzo_assert(dict[9] == wrkmem); - } - - if (r == 1) - { - unsigned k = 1; - const unsigned n = (unsigned) sizeof(lzo_uint32); - lzo_byte *p0; - lzo_byte *p1; - - k += __lzo_align_gap(&x[k],n); - p0 = (lzo_bytep) &x[k]; -#if defined(PTR_LINEAR) - r &= __lzo_assert((PTR_LINEAR(p0) & (n-1)) == 0); -#else - r &= __lzo_assert(n == 4); - r &= __lzo_assert(PTR_ALIGNED_4(p0)); -#endif - - r &= __lzo_assert(k >= 1); - p1 = (lzo_bytep) &x[1]; - r &= __lzo_assert(PTR_GE(p0,p1)); - - r &= __lzo_assert(k < 1+n); - p1 = (lzo_bytep) &x[1+n]; - r &= __lzo_assert(PTR_LT(p0,p1)); - - if (r == 1) - { - lzo_uint32 v0, v1; -#if 0 - v0 = * (lzo_uint32 *) &x[k]; - v1 = * (lzo_uint32 *) &x[k+n]; -#else - - u.a_uchar_p = &x[k]; - v0 = *u.a_lzo_uint32_p; - u.a_uchar_p = &x[k+n]; - v1 = *u.a_lzo_uint32_p; -#endif - r &= __lzo_assert(v0 > 0); - r &= __lzo_assert(v1 > 0); - } - } - - return r; -} - -LZO_PUBLIC(int) -_lzo_config_check(void) -{ - lzo_bool r = 1; - int i; - union { - lzo_uint32 a; - unsigned short b; - lzo_uint32 aa[4]; - unsigned char x[4*sizeof(lzo_full_align_t)]; - } u; - - COMPILE_TIME_ASSERT( (int) ((unsigned char) ((signed char) -1)) == 255); - COMPILE_TIME_ASSERT( (((unsigned char)128) << (int)(8*sizeof(int)-8)) < 0); - -#if 0 - r &= __lzo_assert((const void *)&u == (const void *)&u.a); - r &= __lzo_assert((const void *)&u == (const void *)&u.b); - r &= __lzo_assert((const void *)&u == (const void *)&u.x[0]); - r &= __lzo_assert((const void *)&u == (const void *)&u.aa[0]); -#endif - - r &= basic_integral_check(); - r &= basic_ptr_check(); - if (r != 1) - return LZO_E_ERROR; - - u.a = 0; u.b = 0; - for (i = 0; i < (int) sizeof(u.x); i++) - u.x[i] = LZO_BYTE(i); - -#if defined(LZO_BYTE_ORDER) - if (r == 1) - { -# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - lzo_uint32 a = (lzo_uint32) (u.a & LZO_0xffffffffL); - unsigned short b = (unsigned short) (u.b & 0xffff); - r &= __lzo_assert(a == 0x03020100L); - r &= __lzo_assert(b == 0x0100); -# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) - lzo_uint32 a = u.a >> (8 * sizeof(u.a) - 32); - unsigned short b = u.b >> (8 * sizeof(u.b) - 16); - r &= __lzo_assert(a == 0x00010203L); - r &= __lzo_assert(b == 0x0001); -# else -# error "invalid LZO_BYTE_ORDER" -# endif - } -#endif - -#if defined(LZO_UNALIGNED_OK_2) - COMPILE_TIME_ASSERT(sizeof(short) == 2); - if (r == 1) - { - unsigned short b[4]; - - for (i = 0; i < 4; i++) - b[i] = * (const unsigned short *) &u.x[i]; - -# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - r &= __lzo_assert(b[0] == 0x0100); - r &= __lzo_assert(b[1] == 0x0201); - r &= __lzo_assert(b[2] == 0x0302); - r &= __lzo_assert(b[3] == 0x0403); -# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) - r &= __lzo_assert(b[0] == 0x0001); - r &= __lzo_assert(b[1] == 0x0102); - r &= __lzo_assert(b[2] == 0x0203); - r &= __lzo_assert(b[3] == 0x0304); -# endif - } -#endif - -#if defined(LZO_UNALIGNED_OK_4) - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4); - if (r == 1) - { - lzo_uint32 a[4]; - - for (i = 0; i < 4; i++) - a[i] = * (const lzo_uint32 *) &u.x[i]; - -# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - r &= __lzo_assert(a[0] == 0x03020100L); - r &= __lzo_assert(a[1] == 0x04030201L); - r &= __lzo_assert(a[2] == 0x05040302L); - r &= __lzo_assert(a[3] == 0x06050403L); -# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) - r &= __lzo_assert(a[0] == 0x00010203L); - r &= __lzo_assert(a[1] == 0x01020304L); - r &= __lzo_assert(a[2] == 0x02030405L); - r &= __lzo_assert(a[3] == 0x03040506L); -# endif - } -#endif - -#if defined(LZO_ALIGNED_OK_4) - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4); -#endif - - COMPILE_TIME_ASSERT(lzo_sizeof_dict_t == sizeof(lzo_dict_t)); - -#if defined(__LZO_IN_MINLZO) - if (r == 1) - { - lzo_uint32 adler; - adler = lzo_adler32(0, NULL, 0); - adler = lzo_adler32(adler, lzo_copyright(), 200); - r &= __lzo_assert(adler == 0xc76f1751L); - } -#endif - - if (r == 1) - { - r &= __lzo_assert(!schedule_insns_bug()); - } - - if (r == 1) - { - static int x[3]; - static unsigned xn = 3; - register unsigned j; - - for (j = 0; j < xn; j++) - x[j] = (int)j - 3; - r &= __lzo_assert(!strength_reduce_bug(x)); - } - - if (r == 1) - { - r &= ptr_check(); - } - - return r == 1 ? LZO_E_OK : LZO_E_ERROR; -} - -static lzo_bool schedule_insns_bug(void) -{ -#if defined(__LZO_CHECKER) - return 0; -#else - const int clone[] = {1, 2, 0}; - const int *q; - q = clone; - return (*q) ? 0 : 1; -#endif -} - -static lzo_bool strength_reduce_bug(int *x) -{ - return x[0] != -3 || x[1] != -2 || x[2] != -1; -} - -#undef COMPILE_TIME_ASSERT - -int __lzo_init_done = 0; - -LZO_PUBLIC(int) -__lzo_init2(unsigned v, int s1, int s2, int s3, int s4, int s5, - int s6, int s7, int s8, int s9) -{ - int r; - - __lzo_init_done = 1; - - if (v == 0) - return LZO_E_ERROR; - - r = (s1 == -1 || s1 == (int) sizeof(short)) && - (s2 == -1 || s2 == (int) sizeof(int)) && - (s3 == -1 || s3 == (int) sizeof(long)) && - (s4 == -1 || s4 == (int) sizeof(lzo_uint32)) && - (s5 == -1 || s5 == (int) sizeof(lzo_uint)) && - (s6 == -1 || s6 == (int) lzo_sizeof_dict_t) && - (s7 == -1 || s7 == (int) sizeof(char *)) && - (s8 == -1 || s8 == (int) sizeof(lzo_voidp)) && - (s9 == -1 || s9 == (int) sizeof(lzo_compress_t)); - if (!r) - return LZO_E_ERROR; - - r = _lzo_config_check(); - if (r != LZO_E_OK) - return r; - - return r; -} - -#if !defined(__LZO_IN_MINILZO) - -LZO_EXTERN(int) -__lzo_init(unsigned v,int s1,int s2,int s3,int s4,int s5,int s6,int s7); - -LZO_PUBLIC(int) -__lzo_init(unsigned v,int s1,int s2,int s3,int s4,int s5,int s6,int s7) -{ - if (v == 0 || v > 0x1010) - return LZO_E_ERROR; - return __lzo_init2(v,s1,s2,s3,s4,s5,-1,-1,s6,s7); -} - -#endif - -#define do_compress _lzo1x_1_do_compress - -#define LZO_NEED_DICT_H -#define D_BITS 14 -#define D_INDEX1(d,p) d = DM((0x21*DX3(p,5,5,6)) >> 5) -#define D_INDEX2(d,p) d = (d & (D_MASK & 0x7ff)) ^ (D_HIGH | 0x1f) - -#ifndef __LZO_CONFIG1X_H -#define __LZO_CONFIG1X_H - -#if !defined(LZO1X) && !defined(LZO1Y) && !defined(LZO1Z) -# define LZO1X -#endif - -#if !defined(__LZO_IN_MINILZO) -#include -#endif - -#define LZO_EOF_CODE -#undef LZO_DETERMINISTIC - -#define M1_MAX_OFFSET 0x0400 -#ifndef M2_MAX_OFFSET -#define M2_MAX_OFFSET 0x0800 -#endif -#define M3_MAX_OFFSET 0x4000 -#define M4_MAX_OFFSET 0xbfff - -#define MX_MAX_OFFSET (M1_MAX_OFFSET + M2_MAX_OFFSET) - -#define M1_MIN_LEN 2 -#define M1_MAX_LEN 2 -#define M2_MIN_LEN 3 -#ifndef M2_MAX_LEN -#define M2_MAX_LEN 8 -#endif -#define M3_MIN_LEN 3 -#define M3_MAX_LEN 33 -#define M4_MIN_LEN 3 -#define M4_MAX_LEN 9 - -#define M1_MARKER 0 -#define M2_MARKER 64 -#define M3_MARKER 32 -#define M4_MARKER 16 - -#ifndef MIN_LOOKAHEAD -#define MIN_LOOKAHEAD (M2_MAX_LEN + 1) -#endif - -#if defined(LZO_NEED_DICT_H) - -#ifndef LZO_HASH -#define LZO_HASH LZO_HASH_LZO_INCREMENTAL_B -#endif -#define DL_MIN_LEN M2_MIN_LEN - -#ifndef __LZO_DICT_H -#define __LZO_DICT_H - -#ifdef __cplusplus -extern "C" { -#endif - -#if !defined(D_BITS) && defined(DBITS) -# define D_BITS DBITS -#endif -#if !defined(D_BITS) -# error "D_BITS is not defined" -#endif -#if (D_BITS < 16) -# define D_SIZE LZO_SIZE(D_BITS) -# define D_MASK LZO_MASK(D_BITS) -#else -# define D_SIZE LZO_USIZE(D_BITS) -# define D_MASK LZO_UMASK(D_BITS) -#endif -#define D_HIGH ((D_MASK >> 1) + 1) - -#if !defined(DD_BITS) -# define DD_BITS 0 -#endif -#define DD_SIZE LZO_SIZE(DD_BITS) -#define DD_MASK LZO_MASK(DD_BITS) - -#if !defined(DL_BITS) -# define DL_BITS (D_BITS - DD_BITS) -#endif -#if (DL_BITS < 16) -# define DL_SIZE LZO_SIZE(DL_BITS) -# define DL_MASK LZO_MASK(DL_BITS) -#else -# define DL_SIZE LZO_USIZE(DL_BITS) -# define DL_MASK LZO_UMASK(DL_BITS) -#endif - -#if (D_BITS != DL_BITS + DD_BITS) -# error "D_BITS does not match" -#endif -#if (D_BITS < 8 || D_BITS > 18) -# error "invalid D_BITS" -#endif -#if (DL_BITS < 8 || DL_BITS > 20) -# error "invalid DL_BITS" -#endif -#if (DD_BITS < 0 || DD_BITS > 6) -# error "invalid DD_BITS" -#endif - -#if !defined(DL_MIN_LEN) -# define DL_MIN_LEN 3 -#endif -#if !defined(DL_SHIFT) -# define DL_SHIFT ((DL_BITS + (DL_MIN_LEN - 1)) / DL_MIN_LEN) -#endif - -#define LZO_HASH_GZIP 1 -#define LZO_HASH_GZIP_INCREMENTAL 2 -#define LZO_HASH_LZO_INCREMENTAL_A 3 -#define LZO_HASH_LZO_INCREMENTAL_B 4 - -#if !defined(LZO_HASH) -# error "choose a hashing strategy" -#endif - -#if (DL_MIN_LEN == 3) -# define _DV2_A(p,shift1,shift2) \ - (((( (lzo_uint32)((p)[0]) << shift1) ^ (p)[1]) << shift2) ^ (p)[2]) -# define _DV2_B(p,shift1,shift2) \ - (((( (lzo_uint32)((p)[2]) << shift1) ^ (p)[1]) << shift2) ^ (p)[0]) -# define _DV3_B(p,shift1,shift2,shift3) \ - ((_DV2_B((p)+1,shift1,shift2) << (shift3)) ^ (p)[0]) -#elif (DL_MIN_LEN == 2) -# define _DV2_A(p,shift1,shift2) \ - (( (lzo_uint32)(p[0]) << shift1) ^ p[1]) -# define _DV2_B(p,shift1,shift2) \ - (( (lzo_uint32)(p[1]) << shift1) ^ p[2]) -#else -# error "invalid DL_MIN_LEN" -#endif -#define _DV_A(p,shift) _DV2_A(p,shift,shift) -#define _DV_B(p,shift) _DV2_B(p,shift,shift) -#define DA2(p,s1,s2) \ - (((((lzo_uint32)((p)[2]) << (s2)) + (p)[1]) << (s1)) + (p)[0]) -#define DS2(p,s1,s2) \ - (((((lzo_uint32)((p)[2]) << (s2)) - (p)[1]) << (s1)) - (p)[0]) -#define DX2(p,s1,s2) \ - (((((lzo_uint32)((p)[2]) << (s2)) ^ (p)[1]) << (s1)) ^ (p)[0]) -#define DA3(p,s1,s2,s3) ((DA2((p)+1,s2,s3) << (s1)) + (p)[0]) -#define DS3(p,s1,s2,s3) ((DS2((p)+1,s2,s3) << (s1)) - (p)[0]) -#define DX3(p,s1,s2,s3) ((DX2((p)+1,s2,s3) << (s1)) ^ (p)[0]) -#define DMS(v,s) ((lzo_uint) (((v) & (D_MASK >> (s))) << (s))) -#define DM(v) DMS(v,0) - -#if (LZO_HASH == LZO_HASH_GZIP) -# define _DINDEX(dv,p) (_DV_A((p),DL_SHIFT)) - -#elif (LZO_HASH == LZO_HASH_GZIP_INCREMENTAL) -# define __LZO_HASH_INCREMENTAL -# define DVAL_FIRST(dv,p) dv = _DV_A((p),DL_SHIFT) -# define DVAL_NEXT(dv,p) dv = (((dv) << DL_SHIFT) ^ p[2]) -# define _DINDEX(dv,p) (dv) -# define DVAL_LOOKAHEAD DL_MIN_LEN - -#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_A) -# define __LZO_HASH_INCREMENTAL -# define DVAL_FIRST(dv,p) dv = _DV_A((p),5) -# define DVAL_NEXT(dv,p) \ - dv ^= (lzo_uint32)(p[-1]) << (2*5); dv = (((dv) << 5) ^ p[2]) -# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5) -# define DVAL_LOOKAHEAD DL_MIN_LEN - -#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_B) -# define __LZO_HASH_INCREMENTAL -# define DVAL_FIRST(dv,p) dv = _DV_B((p),5) -# define DVAL_NEXT(dv,p) \ - dv ^= p[-1]; dv = (((dv) >> 5) ^ ((lzo_uint32)(p[2]) << (2*5))) -# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5) -# define DVAL_LOOKAHEAD DL_MIN_LEN - -#else -# error "choose a hashing strategy" -#endif - -#ifndef DINDEX -#define DINDEX(dv,p) ((lzo_uint)((_DINDEX(dv,p)) & DL_MASK) << DD_BITS) -#endif -#if !defined(DINDEX1) && defined(D_INDEX1) -#define DINDEX1 D_INDEX1 -#endif -#if !defined(DINDEX2) && defined(D_INDEX2) -#define DINDEX2 D_INDEX2 -#endif - -#if !defined(__LZO_HASH_INCREMENTAL) -# define DVAL_FIRST(dv,p) ((void) 0) -# define DVAL_NEXT(dv,p) ((void) 0) -# define DVAL_LOOKAHEAD 0 -#endif - -#if !defined(DVAL_ASSERT) -#if defined(__LZO_HASH_INCREMENTAL) && !defined(NDEBUG) -static void DVAL_ASSERT(lzo_uint32 dv, const lzo_byte *p) -{ - lzo_uint32 df; - DVAL_FIRST(df,(p)); - assert(DINDEX(dv,p) == DINDEX(df,p)); -} -#else -# define DVAL_ASSERT(dv,p) ((void) 0) -#endif -#endif - -#if defined(LZO_DICT_USE_PTR) -# define DENTRY(p,in) (p) -# define GINDEX(m_pos,m_off,dict,dindex,in) m_pos = dict[dindex] -#else -# define DENTRY(p,in) ((lzo_uint) ((p)-(in))) -# define GINDEX(m_pos,m_off,dict,dindex,in) m_off = dict[dindex] -#endif - -#if (DD_BITS == 0) - -# define UPDATE_D(dict,drun,dv,p,in) dict[ DINDEX(dv,p) ] = DENTRY(p,in) -# define UPDATE_I(dict,drun,index,p,in) dict[index] = DENTRY(p,in) -# define UPDATE_P(ptr,drun,p,in) (ptr)[0] = DENTRY(p,in) - -#else - -# define UPDATE_D(dict,drun,dv,p,in) \ - dict[ DINDEX(dv,p) + drun++ ] = DENTRY(p,in); drun &= DD_MASK -# define UPDATE_I(dict,drun,index,p,in) \ - dict[ (index) + drun++ ] = DENTRY(p,in); drun &= DD_MASK -# define UPDATE_P(ptr,drun,p,in) \ - (ptr) [ drun++ ] = DENTRY(p,in); drun &= DD_MASK - -#endif - -#if defined(LZO_DICT_USE_PTR) - -#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \ - (m_pos == NULL || (m_off = (lzo_moff_t) (ip - m_pos)) > max_offset) - -#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \ - (BOUNDS_CHECKING_OFF_IN_EXPR( \ - (PTR_LT(m_pos,in) || \ - (m_off = (lzo_moff_t) PTR_DIFF(ip,m_pos)) <= 0 || \ - m_off > max_offset) )) - -#else - -#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \ - (m_off == 0 || \ - ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \ - (m_pos = (ip) - (m_off), 0) ) - -#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \ - ((lzo_moff_t) ((ip)-(in)) <= m_off || \ - ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \ - (m_pos = (ip) - (m_off), 0) ) - -#endif - -#if defined(LZO_DETERMINISTIC) -# define LZO_CHECK_MPOS LZO_CHECK_MPOS_DET -#else -# define LZO_CHECK_MPOS LZO_CHECK_MPOS_NON_DET -#endif - -#ifdef __cplusplus -} -#endif - -#endif - -#endif - -#endif - -#define DO_COMPRESS lzo1x_1_compress - -static -lzo_uint do_compress ( const lzo_byte *in , lzo_uint in_len, - lzo_byte *out, lzo_uintp out_len, - lzo_voidp wrkmem ) -{ -#if 0 && defined(__GNUC__) && defined(__i386__) - register const lzo_byte *ip __asm__("%esi"); -#else - register const lzo_byte *ip; -#endif - lzo_byte *op; - const lzo_byte * const in_end = in + in_len; - const lzo_byte * const ip_end = in + in_len - M2_MAX_LEN - 5; - const lzo_byte *ii; - lzo_dict_p const dict = (lzo_dict_p) wrkmem; - - op = out; - ip = in; - ii = ip; - - ip += 4; - for (;;) - { -#if 0 && defined(__GNUC__) && defined(__i386__) - register const lzo_byte *m_pos __asm__("%edi"); -#else - register const lzo_byte *m_pos; -#endif - lzo_moff_t m_off; - lzo_uint m_len; - lzo_uint dindex; - - DINDEX1(dindex,ip); - GINDEX(m_pos,m_off,dict,dindex,in); - if (LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,M4_MAX_OFFSET)) - goto literal; -#if 1 - if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3]) - goto try_match; - DINDEX2(dindex,ip); -#endif - GINDEX(m_pos,m_off,dict,dindex,in); - if (LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,M4_MAX_OFFSET)) - goto literal; - if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3]) - goto try_match; - goto literal; - -try_match: -#if 1 && defined(LZO_UNALIGNED_OK_2) - if (* (const lzo_ushortp) m_pos != * (const lzo_ushortp) ip) -#else - if (m_pos[0] != ip[0] || m_pos[1] != ip[1]) -#endif - { - } - else - { - if (m_pos[2] == ip[2]) - { -#if 0 - if (m_off <= M2_MAX_OFFSET) - goto match; - if (lit <= 3) - goto match; - if (lit == 3) - { - assert(op - 2 > out); op[-2] |= LZO_BYTE(3); - *op++ = *ii++; *op++ = *ii++; *op++ = *ii++; - goto code_match; - } - if (m_pos[3] == ip[3]) -#endif - goto match; - } - else - { -#if 0 -#if 0 - if (m_off <= M1_MAX_OFFSET && lit > 0 && lit <= 3) -#else - if (m_off <= M1_MAX_OFFSET && lit == 3) -#endif - { - register lzo_uint t; - - t = lit; - assert(op - 2 > out); op[-2] |= LZO_BYTE(t); - do *op++ = *ii++; while (--t > 0); - assert(ii == ip); - m_off -= 1; - *op++ = LZO_BYTE(M1_MARKER | ((m_off & 3) << 2)); - *op++ = LZO_BYTE(m_off >> 2); - ip += 2; - goto match_done; - } -#endif - } - } - -literal: - UPDATE_I(dict,0,dindex,ip,in); - ++ip; - if (ip >= ip_end) - break; - continue; - -match: - UPDATE_I(dict,0,dindex,ip,in); - if (pd(ip,ii) > 0) - { - register lzo_uint t = pd(ip,ii); - - if (t <= 3) - { - assert(op - 2 > out); - op[-2] |= LZO_BYTE(t); - } - else if (t <= 18) - *op++ = LZO_BYTE(t - 3); - else - { - register lzo_uint tt = t - 18; - - *op++ = 0; - while (tt > 255) - { - tt -= 255; - *op++ = 0; - } - assert(tt > 0); - *op++ = LZO_BYTE(tt); - } - do *op++ = *ii++; while (--t > 0); - } - - assert(ii == ip); - ip += 3; - if (m_pos[3] != *ip++ || m_pos[4] != *ip++ || m_pos[5] != *ip++ || - m_pos[6] != *ip++ || m_pos[7] != *ip++ || m_pos[8] != *ip++ -#ifdef LZO1Y - || m_pos[ 9] != *ip++ || m_pos[10] != *ip++ || m_pos[11] != *ip++ - || m_pos[12] != *ip++ || m_pos[13] != *ip++ || m_pos[14] != *ip++ -#endif - ) - { - --ip; - m_len = ip - ii; - assert(m_len >= 3); assert(m_len <= M2_MAX_LEN); - - if (m_off <= M2_MAX_OFFSET) - { - m_off -= 1; -#if defined(LZO1X) - *op++ = LZO_BYTE(((m_len - 1) << 5) | ((m_off & 7) << 2)); - *op++ = LZO_BYTE(m_off >> 3); -#elif defined(LZO1Y) - *op++ = LZO_BYTE(((m_len + 1) << 4) | ((m_off & 3) << 2)); - *op++ = LZO_BYTE(m_off >> 2); -#endif - } - else if (m_off <= M3_MAX_OFFSET) - { - m_off -= 1; - *op++ = LZO_BYTE(M3_MARKER | (m_len - 2)); - goto m3_m4_offset; - } - else -#if defined(LZO1X) - { - m_off -= 0x4000; - assert(m_off > 0); assert(m_off <= 0x7fff); - *op++ = LZO_BYTE(M4_MARKER | - ((m_off & 0x4000) >> 11) | (m_len - 2)); - goto m3_m4_offset; - } -#elif defined(LZO1Y) - goto m4_match; -#endif - } - else - { - { - const lzo_byte *end = in_end; - const lzo_byte *m = m_pos + M2_MAX_LEN + 1; - while (ip < end && *m == *ip) - m++, ip++; - m_len = (ip - ii); - } - assert(m_len > M2_MAX_LEN); - - if (m_off <= M3_MAX_OFFSET) - { - m_off -= 1; - if (m_len <= 33) - *op++ = LZO_BYTE(M3_MARKER | (m_len - 2)); - else - { - m_len -= 33; - *op++ = M3_MARKER | 0; - goto m3_m4_len; - } - } - else - { -#if defined(LZO1Y) -m4_match: -#endif - m_off -= 0x4000; - assert(m_off > 0); assert(m_off <= 0x7fff); - if (m_len <= M4_MAX_LEN) - *op++ = LZO_BYTE(M4_MARKER | - ((m_off & 0x4000) >> 11) | (m_len - 2)); - else - { - m_len -= M4_MAX_LEN; - *op++ = LZO_BYTE(M4_MARKER | ((m_off & 0x4000) >> 11)); -m3_m4_len: - while (m_len > 255) - { - m_len -= 255; - *op++ = 0; - } - assert(m_len > 0); - *op++ = LZO_BYTE(m_len); - } - } - -m3_m4_offset: - *op++ = LZO_BYTE((m_off & 63) << 2); - *op++ = LZO_BYTE(m_off >> 6); - } - -#if 0 -match_done: -#endif - ii = ip; - if (ip >= ip_end) - break; - } - - *out_len = op - out; - return pd(in_end,ii); -} - -LZO_PUBLIC(int) -DO_COMPRESS ( const lzo_byte *in , lzo_uint in_len, - lzo_byte *out, lzo_uintp out_len, - lzo_voidp wrkmem ) -{ - lzo_byte *op = out; - lzo_uint t; - -#if defined(__LZO_QUERY_COMPRESS) - if (__LZO_IS_COMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) - return __LZO_QUERY_COMPRESS(in,in_len,out,out_len,wrkmem,D_SIZE,lzo_sizeof(lzo_dict_t)); -#endif - - if (in_len <= M2_MAX_LEN + 5) - t = in_len; - else - { - t = do_compress(in,in_len,op,out_len,wrkmem); - op += *out_len; - } - - if (t > 0) - { - const lzo_byte *ii = in + in_len - t; - - if (op == out && t <= 238) - *op++ = LZO_BYTE(17 + t); - else if (t <= 3) - op[-2] |= LZO_BYTE(t); - else if (t <= 18) - *op++ = LZO_BYTE(t - 3); - else - { - lzo_uint tt = t - 18; - - *op++ = 0; - while (tt > 255) - { - tt -= 255; - *op++ = 0; - } - assert(tt > 0); - *op++ = LZO_BYTE(tt); - } - do *op++ = *ii++; while (--t > 0); - } - - *op++ = M4_MARKER | 1; - *op++ = 0; - *op++ = 0; - - *out_len = op - out; - return LZO_E_OK; -} - -#undef do_compress -#undef DO_COMPRESS -#undef LZO_HASH - -#undef LZO_TEST_DECOMPRESS_OVERRUN -#undef LZO_TEST_DECOMPRESS_OVERRUN_INPUT -#undef LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT -#undef LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND -#undef DO_DECOMPRESS -#define DO_DECOMPRESS lzo1x_decompress - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN) -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) -# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2 -# endif -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) -# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2 -# endif -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND -# endif -#endif - -#undef TEST_IP -#undef TEST_OP -#undef TEST_LOOKBEHIND -#undef NEED_IP -#undef NEED_OP -#undef HAVE_TEST_IP -#undef HAVE_TEST_OP -#undef HAVE_NEED_IP -#undef HAVE_NEED_OP -#undef HAVE_ANY_IP -#undef HAVE_ANY_OP - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) -# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1) -# define TEST_IP (ip < ip_end) -# endif -# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2) -# define NEED_IP(x) \ - if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun -# endif -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) -# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1) -# define TEST_OP (op <= op_end) -# endif -# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2) -# undef TEST_OP -# define NEED_OP(x) \ - if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun -# endif -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun -#else -# define TEST_LOOKBEHIND(m_pos,op) ((void) 0) -#endif - -#if !defined(LZO_EOF_CODE) && !defined(TEST_IP) -# define TEST_IP (ip < ip_end) -#endif - -#if defined(TEST_IP) -# define HAVE_TEST_IP -#else -# define TEST_IP 1 -#endif -#if defined(TEST_OP) -# define HAVE_TEST_OP -#else -# define TEST_OP 1 -#endif - -#if defined(NEED_IP) -# define HAVE_NEED_IP -#else -# define NEED_IP(x) ((void) 0) -#endif -#if defined(NEED_OP) -# define HAVE_NEED_OP -#else -# define NEED_OP(x) ((void) 0) -#endif - -#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP) -# define HAVE_ANY_IP -#endif -#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP) -# define HAVE_ANY_OP -#endif - -#undef __COPY4 -#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src) - -#undef COPY4 -#if defined(LZO_UNALIGNED_OK_4) -# define COPY4(dst,src) __COPY4(dst,src) -#elif defined(LZO_ALIGNED_OK_4) -# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src)) -#endif - -#if defined(DO_DECOMPRESS) -LZO_PUBLIC(int) -DO_DECOMPRESS ( const lzo_byte *in , lzo_uint in_len, - lzo_byte *out, lzo_uintp out_len, - lzo_voidp wrkmem ) -#endif -{ - register lzo_byte *op; - register const lzo_byte *ip; - register lzo_uint t; -#if defined(COPY_DICT) - lzo_uint m_off; - const lzo_byte *dict_end; -#else - register const lzo_byte *m_pos; -#endif - - const lzo_byte * const ip_end = in + in_len; -#if defined(HAVE_ANY_OP) - lzo_byte * const op_end = out + *out_len; -#endif -#if defined(LZO1Z) - lzo_uint last_m_off = 0; -#endif - - LZO_UNUSED(wrkmem); - -#if defined(__LZO_QUERY_DECOMPRESS) - if (__LZO_IS_DECOMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) - return __LZO_QUERY_DECOMPRESS(in,in_len,out,out_len,wrkmem,0,0); -#endif - -#if defined(COPY_DICT) - if (dict) - { - if (dict_len > M4_MAX_OFFSET) - { - dict += dict_len - M4_MAX_OFFSET; - dict_len = M4_MAX_OFFSET; - } - dict_end = dict + dict_len; - } - else - { - dict_len = 0; - dict_end = NULL; - } -#endif - - *out_len = 0; - - op = out; - ip = in; - - if (*ip > 17) - { - t = *ip++ - 17; - if (t < 4) - goto match_next; - assert(t > 0); NEED_OP(t); NEED_IP(t+1); - do *op++ = *ip++; while (--t > 0); - goto first_literal_run; - } - - while (TEST_IP && TEST_OP) - { - t = *ip++; - if (t >= 16) - goto match; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 15 + *ip++; - } - assert(t > 0); NEED_OP(t+3); NEED_IP(t+4); -#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) -#if !defined(LZO_UNALIGNED_OK_4) - if (PTR_ALIGNED2_4(op,ip)) - { -#endif - COPY4(op,ip); - op += 4; ip += 4; - if (--t > 0) - { - if (t >= 4) - { - do { - COPY4(op,ip); - op += 4; ip += 4; t -= 4; - } while (t >= 4); - if (t > 0) do *op++ = *ip++; while (--t > 0); - } - else - do *op++ = *ip++; while (--t > 0); - } -#if !defined(LZO_UNALIGNED_OK_4) - } - else -#endif -#endif -#if !defined(LZO_UNALIGNED_OK_4) - { - *op++ = *ip++; *op++ = *ip++; *op++ = *ip++; - do *op++ = *ip++; while (--t > 0); - } -#endif - -first_literal_run: - - t = *ip++; - if (t >= 16) - goto match; -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); - last_m_off = m_off; -#else - m_off = (1 + M2_MAX_OFFSET) + (t >> 2) + (*ip++ << 2); -#endif - NEED_OP(3); - t = 3; COPY_DICT(t,m_off) -#else -#if defined(LZO1Z) - t = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); - m_pos = op - t; - last_m_off = t; -#else - m_pos = op - (1 + M2_MAX_OFFSET); - m_pos -= t >> 2; - m_pos -= *ip++ << 2; -#endif - TEST_LOOKBEHIND(m_pos,out); NEED_OP(3); - *op++ = *m_pos++; *op++ = *m_pos++; *op++ = *m_pos; -#endif - goto match_done; - - while (TEST_IP && TEST_OP) - { -match: - if (t >= 64) - { -#if defined(COPY_DICT) -#if defined(LZO1X) - m_off = 1 + ((t >> 2) & 7) + (*ip++ << 3); - t = (t >> 5) - 1; -#elif defined(LZO1Y) - m_off = 1 + ((t >> 2) & 3) + (*ip++ << 2); - t = (t >> 4) - 3; -#elif defined(LZO1Z) - m_off = t & 0x1f; - if (m_off >= 0x1c) - m_off = last_m_off; - else - { - m_off = 1 + (m_off << 6) + (*ip++ >> 2); - last_m_off = m_off; - } - t = (t >> 5) - 1; -#endif -#else -#if defined(LZO1X) - m_pos = op - 1; - m_pos -= (t >> 2) & 7; - m_pos -= *ip++ << 3; - t = (t >> 5) - 1; -#elif defined(LZO1Y) - m_pos = op - 1; - m_pos -= (t >> 2) & 3; - m_pos -= *ip++ << 2; - t = (t >> 4) - 3; -#elif defined(LZO1Z) - { - lzo_uint off = t & 0x1f; - m_pos = op; - if (off >= 0x1c) - { - assert(last_m_off > 0); - m_pos -= last_m_off; - } - else - { - off = 1 + (off << 6) + (*ip++ >> 2); - m_pos -= off; - last_m_off = off; - } - } - t = (t >> 5) - 1; -#endif - TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); - goto copy_match; -#endif - } - else if (t >= 32) - { - t &= 31; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 31 + *ip++; - } -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = 1 + (ip[0] << 6) + (ip[1] >> 2); - last_m_off = m_off; -#else - m_off = 1 + (ip[0] >> 2) + (ip[1] << 6); -#endif -#else -#if defined(LZO1Z) - { - lzo_uint off = 1 + (ip[0] << 6) + (ip[1] >> 2); - m_pos = op - off; - last_m_off = off; - } -#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - m_pos = op - 1; - m_pos -= (* (const lzo_ushortp) ip) >> 2; -#else - m_pos = op - 1; - m_pos -= (ip[0] >> 2) + (ip[1] << 6); -#endif -#endif - ip += 2; - } - else if (t >= 16) - { -#if defined(COPY_DICT) - m_off = (t & 8) << 11; -#else - m_pos = op; - m_pos -= (t & 8) << 11; -#endif - t &= 7; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 7 + *ip++; - } -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off += (ip[0] << 6) + (ip[1] >> 2); -#else - m_off += (ip[0] >> 2) + (ip[1] << 6); -#endif - ip += 2; - if (m_off == 0) - goto eof_found; - m_off += 0x4000; -#if defined(LZO1Z) - last_m_off = m_off; -#endif -#else -#if defined(LZO1Z) - m_pos -= (ip[0] << 6) + (ip[1] >> 2); -#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - m_pos -= (* (const lzo_ushortp) ip) >> 2; -#else - m_pos -= (ip[0] >> 2) + (ip[1] << 6); -#endif - ip += 2; - if (m_pos == op) - goto eof_found; - m_pos -= 0x4000; -#if defined(LZO1Z) - last_m_off = op - m_pos; -#endif -#endif - } - else - { -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = 1 + (t << 6) + (*ip++ >> 2); - last_m_off = m_off; -#else - m_off = 1 + (t >> 2) + (*ip++ << 2); -#endif - NEED_OP(2); - t = 2; COPY_DICT(t,m_off) -#else -#if defined(LZO1Z) - t = 1 + (t << 6) + (*ip++ >> 2); - m_pos = op - t; - last_m_off = t; -#else - m_pos = op - 1; - m_pos -= t >> 2; - m_pos -= *ip++ << 2; -#endif - TEST_LOOKBEHIND(m_pos,out); NEED_OP(2); - *op++ = *m_pos++; *op++ = *m_pos; -#endif - goto match_done; - } - -#if defined(COPY_DICT) - - NEED_OP(t+3-1); - t += 3-1; COPY_DICT(t,m_off) - -#else - - TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); -#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) -#if !defined(LZO_UNALIGNED_OK_4) - if (t >= 2 * 4 - (3 - 1) && PTR_ALIGNED2_4(op,m_pos)) - { - assert((op - m_pos) >= 4); -#else - if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) - { -#endif - COPY4(op,m_pos); - op += 4; m_pos += 4; t -= 4 - (3 - 1); - do { - COPY4(op,m_pos); - op += 4; m_pos += 4; t -= 4; - } while (t >= 4); - if (t > 0) do *op++ = *m_pos++; while (--t > 0); - } - else -#endif - { -copy_match: - *op++ = *m_pos++; *op++ = *m_pos++; - do *op++ = *m_pos++; while (--t > 0); - } - -#endif - -match_done: -#if defined(LZO1Z) - t = ip[-1] & 3; -#else - t = ip[-2] & 3; -#endif - if (t == 0) - break; - -match_next: - assert(t > 0); NEED_OP(t); NEED_IP(t+1); - do *op++ = *ip++; while (--t > 0); - t = *ip++; - } - } - -#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP) - *out_len = op - out; - return LZO_E_EOF_NOT_FOUND; -#endif - -eof_found: - assert(t == 1); - *out_len = op - out; - return (ip == ip_end ? LZO_E_OK : - (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN)); - -#if defined(HAVE_NEED_IP) -input_overrun: - *out_len = op - out; - return LZO_E_INPUT_OVERRUN; -#endif - -#if defined(HAVE_NEED_OP) -output_overrun: - *out_len = op - out; - return LZO_E_OUTPUT_OVERRUN; -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -lookbehind_overrun: - *out_len = op - out; - return LZO_E_LOOKBEHIND_OVERRUN; -#endif -} - -#define LZO_TEST_DECOMPRESS_OVERRUN -#undef DO_DECOMPRESS -#define DO_DECOMPRESS lzo1x_decompress_safe - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN) -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) -# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2 -# endif -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) -# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2 -# endif -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND -# endif -#endif - -#undef TEST_IP -#undef TEST_OP -#undef TEST_LOOKBEHIND -#undef NEED_IP -#undef NEED_OP -#undef HAVE_TEST_IP -#undef HAVE_TEST_OP -#undef HAVE_NEED_IP -#undef HAVE_NEED_OP -#undef HAVE_ANY_IP -#undef HAVE_ANY_OP - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) -# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1) -# define TEST_IP (ip < ip_end) -# endif -# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2) -# define NEED_IP(x) \ - if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun -# endif -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) -# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1) -# define TEST_OP (op <= op_end) -# endif -# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2) -# undef TEST_OP -# define NEED_OP(x) \ - if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun -# endif -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun -#else -# define TEST_LOOKBEHIND(m_pos,op) ((void) 0) -#endif - -#if !defined(LZO_EOF_CODE) && !defined(TEST_IP) -# define TEST_IP (ip < ip_end) -#endif - -#if defined(TEST_IP) -# define HAVE_TEST_IP -#else -# define TEST_IP 1 -#endif -#if defined(TEST_OP) -# define HAVE_TEST_OP -#else -# define TEST_OP 1 -#endif - -#if defined(NEED_IP) -# define HAVE_NEED_IP -#else -# define NEED_IP(x) ((void) 0) -#endif -#if defined(NEED_OP) -# define HAVE_NEED_OP -#else -# define NEED_OP(x) ((void) 0) -#endif - -#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP) -# define HAVE_ANY_IP -#endif -#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP) -# define HAVE_ANY_OP -#endif - -#undef __COPY4 -#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src) - -#undef COPY4 -#if defined(LZO_UNALIGNED_OK_4) -# define COPY4(dst,src) __COPY4(dst,src) -#elif defined(LZO_ALIGNED_OK_4) -# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src)) -#endif - -#if defined(DO_DECOMPRESS) -LZO_PUBLIC(int) -DO_DECOMPRESS ( const lzo_byte *in , lzo_uint in_len, - lzo_byte *out, lzo_uintp out_len, - lzo_voidp wrkmem ) -#endif -{ - register lzo_byte *op; - register const lzo_byte *ip; - register lzo_uint t; -#if defined(COPY_DICT) - lzo_uint m_off; - const lzo_byte *dict_end; -#else - register const lzo_byte *m_pos; -#endif - - const lzo_byte * const ip_end = in + in_len; -#if defined(HAVE_ANY_OP) - lzo_byte * const op_end = out + *out_len; -#endif -#if defined(LZO1Z) - lzo_uint last_m_off = 0; -#endif - - LZO_UNUSED(wrkmem); - -#if defined(__LZO_QUERY_DECOMPRESS) - if (__LZO_IS_DECOMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) - return __LZO_QUERY_DECOMPRESS(in,in_len,out,out_len,wrkmem,0,0); -#endif - -#if defined(COPY_DICT) - if (dict) - { - if (dict_len > M4_MAX_OFFSET) - { - dict += dict_len - M4_MAX_OFFSET; - dict_len = M4_MAX_OFFSET; - } - dict_end = dict + dict_len; - } - else - { - dict_len = 0; - dict_end = NULL; - } -#endif - - *out_len = 0; - - op = out; - ip = in; - - if (*ip > 17) - { - t = *ip++ - 17; - if (t < 4) - goto match_next; - assert(t > 0); NEED_OP(t); NEED_IP(t+1); - do *op++ = *ip++; while (--t > 0); - goto first_literal_run; - } - - while (TEST_IP && TEST_OP) - { - t = *ip++; - if (t >= 16) - goto match; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 15 + *ip++; - } - assert(t > 0); NEED_OP(t+3); NEED_IP(t+4); -#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) -#if !defined(LZO_UNALIGNED_OK_4) - if (PTR_ALIGNED2_4(op,ip)) - { -#endif - COPY4(op,ip); - op += 4; ip += 4; - if (--t > 0) - { - if (t >= 4) - { - do { - COPY4(op,ip); - op += 4; ip += 4; t -= 4; - } while (t >= 4); - if (t > 0) do *op++ = *ip++; while (--t > 0); - } - else - do *op++ = *ip++; while (--t > 0); - } -#if !defined(LZO_UNALIGNED_OK_4) - } - else -#endif -#endif -#if !defined(LZO_UNALIGNED_OK_4) - { - *op++ = *ip++; *op++ = *ip++; *op++ = *ip++; - do *op++ = *ip++; while (--t > 0); - } -#endif - -first_literal_run: - - t = *ip++; - if (t >= 16) - goto match; -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); - last_m_off = m_off; -#else - m_off = (1 + M2_MAX_OFFSET) + (t >> 2) + (*ip++ << 2); -#endif - NEED_OP(3); - t = 3; COPY_DICT(t,m_off) -#else -#if defined(LZO1Z) - t = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); - m_pos = op - t; - last_m_off = t; -#else - m_pos = op - (1 + M2_MAX_OFFSET); - m_pos -= t >> 2; - m_pos -= *ip++ << 2; -#endif - TEST_LOOKBEHIND(m_pos,out); NEED_OP(3); - *op++ = *m_pos++; *op++ = *m_pos++; *op++ = *m_pos; -#endif - goto match_done; - - while (TEST_IP && TEST_OP) - { -match: - if (t >= 64) - { -#if defined(COPY_DICT) -#if defined(LZO1X) - m_off = 1 + ((t >> 2) & 7) + (*ip++ << 3); - t = (t >> 5) - 1; -#elif defined(LZO1Y) - m_off = 1 + ((t >> 2) & 3) + (*ip++ << 2); - t = (t >> 4) - 3; -#elif defined(LZO1Z) - m_off = t & 0x1f; - if (m_off >= 0x1c) - m_off = last_m_off; - else - { - m_off = 1 + (m_off << 6) + (*ip++ >> 2); - last_m_off = m_off; - } - t = (t >> 5) - 1; -#endif -#else -#if defined(LZO1X) - m_pos = op - 1; - m_pos -= (t >> 2) & 7; - m_pos -= *ip++ << 3; - t = (t >> 5) - 1; -#elif defined(LZO1Y) - m_pos = op - 1; - m_pos -= (t >> 2) & 3; - m_pos -= *ip++ << 2; - t = (t >> 4) - 3; -#elif defined(LZO1Z) - { - lzo_uint off = t & 0x1f; - m_pos = op; - if (off >= 0x1c) - { - assert(last_m_off > 0); - m_pos -= last_m_off; - } - else - { - off = 1 + (off << 6) + (*ip++ >> 2); - m_pos -= off; - last_m_off = off; - } - } - t = (t >> 5) - 1; -#endif - TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); - goto copy_match; -#endif - } - else if (t >= 32) - { - t &= 31; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 31 + *ip++; - } -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = 1 + (ip[0] << 6) + (ip[1] >> 2); - last_m_off = m_off; -#else - m_off = 1 + (ip[0] >> 2) + (ip[1] << 6); -#endif -#else -#if defined(LZO1Z) - { - lzo_uint off = 1 + (ip[0] << 6) + (ip[1] >> 2); - m_pos = op - off; - last_m_off = off; - } -#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - m_pos = op - 1; - m_pos -= (* (const lzo_ushortp) ip) >> 2; -#else - m_pos = op - 1; - m_pos -= (ip[0] >> 2) + (ip[1] << 6); -#endif -#endif - ip += 2; - } - else if (t >= 16) - { -#if defined(COPY_DICT) - m_off = (t & 8) << 11; -#else - m_pos = op; - m_pos -= (t & 8) << 11; -#endif - t &= 7; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 7 + *ip++; - } -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off += (ip[0] << 6) + (ip[1] >> 2); -#else - m_off += (ip[0] >> 2) + (ip[1] << 6); -#endif - ip += 2; - if (m_off == 0) - goto eof_found; - m_off += 0x4000; -#if defined(LZO1Z) - last_m_off = m_off; -#endif -#else -#if defined(LZO1Z) - m_pos -= (ip[0] << 6) + (ip[1] >> 2); -#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - m_pos -= (* (const lzo_ushortp) ip) >> 2; -#else - m_pos -= (ip[0] >> 2) + (ip[1] << 6); -#endif - ip += 2; - if (m_pos == op) - goto eof_found; - m_pos -= 0x4000; -#if defined(LZO1Z) - last_m_off = op - m_pos; -#endif -#endif - } - else - { -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = 1 + (t << 6) + (*ip++ >> 2); - last_m_off = m_off; -#else - m_off = 1 + (t >> 2) + (*ip++ << 2); -#endif - NEED_OP(2); - t = 2; COPY_DICT(t,m_off) -#else -#if defined(LZO1Z) - t = 1 + (t << 6) + (*ip++ >> 2); - m_pos = op - t; - last_m_off = t; -#else - m_pos = op - 1; - m_pos -= t >> 2; - m_pos -= *ip++ << 2; -#endif - TEST_LOOKBEHIND(m_pos,out); NEED_OP(2); - *op++ = *m_pos++; *op++ = *m_pos; -#endif - goto match_done; - } - -#if defined(COPY_DICT) - - NEED_OP(t+3-1); - t += 3-1; COPY_DICT(t,m_off) - -#else - - TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); -#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) -#if !defined(LZO_UNALIGNED_OK_4) - if (t >= 2 * 4 - (3 - 1) && PTR_ALIGNED2_4(op,m_pos)) - { - assert((op - m_pos) >= 4); -#else - if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) - { -#endif - COPY4(op,m_pos); - op += 4; m_pos += 4; t -= 4 - (3 - 1); - do { - COPY4(op,m_pos); - op += 4; m_pos += 4; t -= 4; - } while (t >= 4); - if (t > 0) do *op++ = *m_pos++; while (--t > 0); - } - else -#endif - { -copy_match: - *op++ = *m_pos++; *op++ = *m_pos++; - do *op++ = *m_pos++; while (--t > 0); - } - -#endif - -match_done: -#if defined(LZO1Z) - t = ip[-1] & 3; -#else - t = ip[-2] & 3; -#endif - if (t == 0) - break; - -match_next: - assert(t > 0); NEED_OP(t); NEED_IP(t+1); - do *op++ = *ip++; while (--t > 0); - t = *ip++; - } - } - -#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP) - *out_len = op - out; - return LZO_E_EOF_NOT_FOUND; -#endif - -eof_found: - assert(t == 1); - *out_len = op - out; - return (ip == ip_end ? LZO_E_OK : - (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN)); - -#if defined(HAVE_NEED_IP) -input_overrun: - *out_len = op - out; - return LZO_E_INPUT_OVERRUN; -#endif - -#if defined(HAVE_NEED_OP) -output_overrun: - *out_len = op - out; - return LZO_E_OUTPUT_OVERRUN; -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -lookbehind_overrun: - *out_len = op - out; - return LZO_E_LOOKBEHIND_OVERRUN; -#endif -} - -/***** End of minilzo.c *****/ - +/* minilzo.c -- mini subset of the LZO real-time data compression library + + This file is part of the LZO real-time data compression library. + + Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + All Rights Reserved. + + The LZO library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of + the License, or (at your option) any later version. + + The LZO library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with the LZO library; see the file COPYING. + If not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Markus F.X.J. Oberhumer + + http://www.oberhumer.com/opensource/lzo/ + */ + +/* + * NOTE: + * the full LZO package can be found at + * http://www.oberhumer.com/opensource/lzo/ + */ + +#define __LZO_IN_MINILZO +#define LZO_BUILD + +#ifdef MINILZO_HAVE_CONFIG_H +# include +#endif + +#undef LZO_HAVE_CONFIG_H +#include "minilzo.h" + +#if !defined(MINILZO_VERSION) || (MINILZO_VERSION != 0x1080) +# error "version mismatch in miniLZO source files" +#endif + +#ifdef MINILZO_HAVE_CONFIG_H +# define LZO_HAVE_CONFIG_H +#endif + +#if !defined(LZO_NO_SYS_TYPES_H) +# include +#endif +#include + +#ifndef __LZO_CONF_H +#define __LZO_CONF_H + +#if !defined(__LZO_IN_MINILZO) +# ifndef __LZOCONF_H +# include +# endif +#endif + +#if defined(__BOUNDS_CHECKING_ON) +# include +#else +# define BOUNDS_CHECKING_OFF_DURING(stmt) stmt +# define BOUNDS_CHECKING_OFF_IN_EXPR(expr) (expr) +#endif + +#if !defined(LZO_HAVE_CONFIG_H) +# include +# include +# if !defined(NO_STDLIB_H) +# include +# endif +# define HAVE_MEMCMP +# define HAVE_MEMCPY +# define HAVE_MEMMOVE +# define HAVE_MEMSET +#else +# include +# if defined(HAVE_STDDEF_H) +# include +# endif +# if defined(STDC_HEADERS) +# include +# include +# endif +#endif + +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define HAVE_MALLOC_H +# define HAVE_HALLOC +#endif + +#undef NDEBUG +#if !defined(LZO_DEBUG) +# define NDEBUG +#endif +#if defined(LZO_DEBUG) || !defined(NDEBUG) +# if !defined(NO_STDIO_H) +# include +# endif +#endif +#include + +#if !defined(LZO_COMPILE_TIME_ASSERT) +# define LZO_COMPILE_TIME_ASSERT(expr) \ + { typedef int __lzo_compile_time_assert_fail[1 - 2 * !(expr)]; } +#endif + +#if !defined(LZO_UNUSED) +# if 1 +# define LZO_UNUSED(var) ((void)&var) +# elif 0 +# define LZO_UNUSED(var) { typedef int __lzo_unused[sizeof(var) ? 2 : 1]; } +# else +# define LZO_UNUSED(parm) (parm = parm) +# endif +#endif + +#if !defined(__inline__) && !defined(__GNUC__) +# if defined(__cplusplus) +# define __inline__ inline +# else +# define __inline__ +# endif +#endif + +#if defined(NO_MEMCMP) +# undef HAVE_MEMCMP +#endif + +#if !defined(HAVE_MEMCMP) +# undef memcmp +# define memcmp lzo_memcmp +#endif +#if !defined(HAVE_MEMCPY) +# undef memcpy +# define memcpy lzo_memcpy +#endif +#if !defined(HAVE_MEMMOVE) +# undef memmove +# define memmove lzo_memmove +#endif +#if !defined(HAVE_MEMSET) +# undef memset +# define memset lzo_memset +#endif + +#if 0 +# define LZO_BYTE(x) ((unsigned char) (x)) +#else +# define LZO_BYTE(x) ((unsigned char) ((x) & 0xff)) +#endif + +#define LZO_MAX(a,b) ((a) >= (b) ? (a) : (b)) +#define LZO_MIN(a,b) ((a) <= (b) ? (a) : (b)) +#define LZO_MAX3(a,b,c) ((a) >= (b) ? LZO_MAX(a,c) : LZO_MAX(b,c)) +#define LZO_MIN3(a,b,c) ((a) <= (b) ? LZO_MIN(a,c) : LZO_MIN(b,c)) + +#define lzo_sizeof(type) ((lzo_uint) (sizeof(type))) + +#define LZO_HIGH(array) ((lzo_uint) (sizeof(array)/sizeof(*(array)))) + +#define LZO_SIZE(bits) (1u << (bits)) +#define LZO_MASK(bits) (LZO_SIZE(bits) - 1) + +#define LZO_LSIZE(bits) (1ul << (bits)) +#define LZO_LMASK(bits) (LZO_LSIZE(bits) - 1) + +#define LZO_USIZE(bits) ((lzo_uint) 1 << (bits)) +#define LZO_UMASK(bits) (LZO_USIZE(bits) - 1) + +#define LZO_STYPE_MAX(b) (((1l << (8*(b)-2)) - 1l) + (1l << (8*(b)-2))) +#define LZO_UTYPE_MAX(b) (((1ul << (8*(b)-1)) - 1ul) + (1ul << (8*(b)-1))) + +#if !defined(SIZEOF_UNSIGNED) +# if (UINT_MAX == 0xffff) +# define SIZEOF_UNSIGNED 2 +# elif (UINT_MAX == LZO_0xffffffffL) +# define SIZEOF_UNSIGNED 4 +# elif (UINT_MAX >= LZO_0xffffffffL) +# define SIZEOF_UNSIGNED 8 +# else +# error "SIZEOF_UNSIGNED" +# endif +#endif + +#if !defined(SIZEOF_UNSIGNED_LONG) +# if (ULONG_MAX == LZO_0xffffffffL) +# define SIZEOF_UNSIGNED_LONG 4 +# elif (ULONG_MAX >= LZO_0xffffffffL) +# define SIZEOF_UNSIGNED_LONG 8 +# else +# error "SIZEOF_UNSIGNED_LONG" +# endif +#endif + +#if !defined(SIZEOF_SIZE_T) +# define SIZEOF_SIZE_T SIZEOF_UNSIGNED +#endif +#if !defined(SIZE_T_MAX) +# define SIZE_T_MAX LZO_UTYPE_MAX(SIZEOF_SIZE_T) +#endif + +#if 1 && defined(__LZO_i386) && (UINT_MAX == LZO_0xffffffffL) +# if !defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX == 0xffff) +# define LZO_UNALIGNED_OK_2 +# endif +# if !defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX == LZO_0xffffffffL) +# define LZO_UNALIGNED_OK_4 +# endif +#endif + +#if defined(LZO_UNALIGNED_OK_2) || defined(LZO_UNALIGNED_OK_4) +# if !defined(LZO_UNALIGNED_OK) +# define LZO_UNALIGNED_OK +# endif +#endif + +#if defined(__LZO_NO_UNALIGNED) +# undef LZO_UNALIGNED_OK +# undef LZO_UNALIGNED_OK_2 +# undef LZO_UNALIGNED_OK_4 +#endif + +#if defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX != 0xffff) +# error "LZO_UNALIGNED_OK_2 must not be defined on this system" +#endif +#if defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL) +# error "LZO_UNALIGNED_OK_4 must not be defined on this system" +#endif + +#if defined(__LZO_NO_ALIGNED) +# undef LZO_ALIGNED_OK_4 +#endif + +#if defined(LZO_ALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL) +# error "LZO_ALIGNED_OK_4 must not be defined on this system" +#endif + +#define LZO_LITTLE_ENDIAN 1234 +#define LZO_BIG_ENDIAN 4321 +#define LZO_PDP_ENDIAN 3412 + +#if !defined(LZO_BYTE_ORDER) +# if defined(MFX_BYTE_ORDER) +# define LZO_BYTE_ORDER MFX_BYTE_ORDER +# elif defined(__LZO_i386) +# define LZO_BYTE_ORDER LZO_LITTLE_ENDIAN +# elif defined(BYTE_ORDER) +# define LZO_BYTE_ORDER BYTE_ORDER +# elif defined(__BYTE_ORDER) +# define LZO_BYTE_ORDER __BYTE_ORDER +# endif +#endif + +#if defined(LZO_BYTE_ORDER) +# if (LZO_BYTE_ORDER != LZO_LITTLE_ENDIAN) && \ + (LZO_BYTE_ORDER != LZO_BIG_ENDIAN) +# error "invalid LZO_BYTE_ORDER" +# endif +#endif + +#if defined(LZO_UNALIGNED_OK) && !defined(LZO_BYTE_ORDER) +# error "LZO_BYTE_ORDER is not defined" +#endif + +#define LZO_OPTIMIZE_GNUC_i386_IS_BUGGY + +#if defined(NDEBUG) && !defined(LZO_DEBUG) && !defined(__LZO_CHECKER) +# if defined(__GNUC__) && defined(__i386__) +# if !defined(LZO_OPTIMIZE_GNUC_i386_IS_BUGGY) +# define LZO_OPTIMIZE_GNUC_i386 +# endif +# endif +#endif + +__LZO_EXTERN_C int __lzo_init_done; +__LZO_EXTERN_C const lzo_byte __lzo_copyright[]; +LZO_EXTERN(const lzo_byte *) lzo_copyright(void); +__LZO_EXTERN_C const lzo_uint32 _lzo_crc32_table[256]; + +#define _LZO_STRINGIZE(x) #x +#define _LZO_MEXPAND(x) _LZO_STRINGIZE(x) + +#define _LZO_CONCAT2(a,b) a ## b +#define _LZO_CONCAT3(a,b,c) a ## b ## c +#define _LZO_CONCAT4(a,b,c,d) a ## b ## c ## d +#define _LZO_CONCAT5(a,b,c,d,e) a ## b ## c ## d ## e + +#define _LZO_ECONCAT2(a,b) _LZO_CONCAT2(a,b) +#define _LZO_ECONCAT3(a,b,c) _LZO_CONCAT3(a,b,c) +#define _LZO_ECONCAT4(a,b,c,d) _LZO_CONCAT4(a,b,c,d) +#define _LZO_ECONCAT5(a,b,c,d,e) _LZO_CONCAT5(a,b,c,d,e) + +#if 0 + +#define __LZO_IS_COMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) +#define __LZO_QUERY_COMPRESS(i,il,o,ol,w,n,s) \ + (*ol = (n)*(s), LZO_E_OK) + +#define __LZO_IS_DECOMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) +#define __LZO_QUERY_DECOMPRESS(i,il,o,ol,w,n,s) \ + (*ol = (n)*(s), LZO_E_OK) + +#define __LZO_IS_OPTIMIZE_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) +#define __LZO_QUERY_OPTIMIZE(i,il,o,ol,w,n,s) \ + (*ol = (n)*(s), LZO_E_OK) + +#endif + +#ifndef __LZO_PTR_H +#define __LZO_PTR_H + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# include +# if 1 && defined(__WATCOMC__) +# include + __LZO_EXTERN_C unsigned char _HShift; +# define __LZO_HShift _HShift +# elif 1 && defined(_MSC_VER) + __LZO_EXTERN_C unsigned short __near _AHSHIFT; +# define __LZO_HShift ((unsigned) &_AHSHIFT) +# elif defined(__LZO_WIN16) +# define __LZO_HShift 3 +# else +# define __LZO_HShift 12 +# endif +# if !defined(_FP_SEG) && defined(FP_SEG) +# define _FP_SEG FP_SEG +# endif +# if !defined(_FP_OFF) && defined(FP_OFF) +# define _FP_OFF FP_OFF +# endif +#endif + +#if !defined(lzo_ptrdiff_t) +# if (UINT_MAX >= LZO_0xffffffffL) + typedef ptrdiff_t lzo_ptrdiff_t; +# else + typedef long lzo_ptrdiff_t; +# endif +#endif + +#if !defined(__LZO_HAVE_PTR_T) +# if defined(lzo_ptr_t) +# define __LZO_HAVE_PTR_T +# endif +#endif +#if !defined(__LZO_HAVE_PTR_T) +# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_LONG) +# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_LONG) + typedef unsigned long lzo_ptr_t; + typedef long lzo_sptr_t; +# define __LZO_HAVE_PTR_T +# endif +# endif +#endif +#if !defined(__LZO_HAVE_PTR_T) +# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED) +# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED) + typedef unsigned int lzo_ptr_t; + typedef int lzo_sptr_t; +# define __LZO_HAVE_PTR_T +# endif +# endif +#endif +#if !defined(__LZO_HAVE_PTR_T) +# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_SHORT) +# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_SHORT) + typedef unsigned short lzo_ptr_t; + typedef short lzo_sptr_t; +# define __LZO_HAVE_PTR_T +# endif +# endif +#endif +#if !defined(__LZO_HAVE_PTR_T) +# if defined(LZO_HAVE_CONFIG_H) || defined(SIZEOF_CHAR_P) +# error "no suitable type for lzo_ptr_t" +# else + typedef unsigned long lzo_ptr_t; + typedef long lzo_sptr_t; +# define __LZO_HAVE_PTR_T +# endif +#endif + +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) +#define PTR(a) ((lzo_bytep) (a)) +#define PTR_ALIGNED_4(a) ((_FP_OFF(a) & 3) == 0) +#define PTR_ALIGNED2_4(a,b) (((_FP_OFF(a) | _FP_OFF(b)) & 3) == 0) +#else +#define PTR(a) ((lzo_ptr_t) (a)) +#define PTR_LINEAR(a) PTR(a) +#define PTR_ALIGNED_4(a) ((PTR_LINEAR(a) & 3) == 0) +#define PTR_ALIGNED_8(a) ((PTR_LINEAR(a) & 7) == 0) +#define PTR_ALIGNED2_4(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 3) == 0) +#define PTR_ALIGNED2_8(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 7) == 0) +#endif + +#define PTR_LT(a,b) (PTR(a) < PTR(b)) +#define PTR_GE(a,b) (PTR(a) >= PTR(b)) +#define PTR_DIFF(a,b) ((lzo_ptrdiff_t) (PTR(a) - PTR(b))) +#define pd(a,b) ((lzo_uint) ((a)-(b))) + +LZO_EXTERN(lzo_ptr_t) +__lzo_ptr_linear(const lzo_voidp ptr); + +typedef union +{ + char a_char; + unsigned char a_uchar; + short a_short; + unsigned short a_ushort; + int a_int; + unsigned int a_uint; + long a_long; + unsigned long a_ulong; + lzo_int a_lzo_int; + lzo_uint a_lzo_uint; + lzo_int32 a_lzo_int32; + lzo_uint32 a_lzo_uint32; + ptrdiff_t a_ptrdiff_t; + lzo_ptrdiff_t a_lzo_ptrdiff_t; + lzo_ptr_t a_lzo_ptr_t; + lzo_voidp a_lzo_voidp; + void * a_void_p; + lzo_bytep a_lzo_bytep; + lzo_bytepp a_lzo_bytepp; + lzo_uintp a_lzo_uintp; + lzo_uint * a_lzo_uint_p; + lzo_uint32p a_lzo_uint32p; + lzo_uint32 * a_lzo_uint32_p; + unsigned char * a_uchar_p; + char * a_char_p; +} +lzo_full_align_t; + +#ifdef __cplusplus +} +#endif + +#endif + +#define LZO_DETERMINISTIC + +#define LZO_DICT_USE_PTR +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) || defined(__LZO_STRICT_16BIT) +# undef LZO_DICT_USE_PTR +#endif + +#if defined(LZO_DICT_USE_PTR) +# define lzo_dict_t const lzo_bytep +# define lzo_dict_p lzo_dict_t __LZO_MMODEL * +#else +# define lzo_dict_t lzo_uint +# define lzo_dict_p lzo_dict_t __LZO_MMODEL * +#endif + +#if !defined(lzo_moff_t) +#define lzo_moff_t lzo_uint +#endif + +#endif + +LZO_PUBLIC(lzo_ptr_t) +__lzo_ptr_linear(const lzo_voidp ptr) +{ + lzo_ptr_t p; + +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) + p = (((lzo_ptr_t)(_FP_SEG(ptr))) << (16 - __LZO_HShift)) + (_FP_OFF(ptr)); +#else + p = PTR_LINEAR(ptr); +#endif + + return p; +} + +LZO_PUBLIC(unsigned) +__lzo_align_gap(const lzo_voidp ptr, lzo_uint size) +{ + lzo_ptr_t p, s, n; + + assert(size > 0); + + p = __lzo_ptr_linear(ptr); + s = (lzo_ptr_t) (size - 1); +#if 0 + assert((size & (size - 1)) == 0); + n = ((p + s) & ~s) - p; +#else + n = (((p + s) / size) * size) - p; +#endif + + assert((long)n >= 0); + assert(n <= s); + + return (unsigned)n; +} + +#ifndef __LZO_UTIL_H +#define __LZO_UTIL_H + +#ifndef __LZO_CONF_H +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#if 1 && defined(HAVE_MEMCPY) +#if !defined(__LZO_DOS16) && !defined(__LZO_WIN16) + +#define MEMCPY8_DS(dest,src,len) \ + memcpy(dest,src,len); \ + dest += len; \ + src += len + +#endif +#endif + +#if 0 && !defined(MEMCPY8_DS) + +#define MEMCPY8_DS(dest,src,len) \ + { do { \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + len -= 8; \ + } while (len > 0); } + +#endif + +#if !defined(MEMCPY8_DS) + +#define MEMCPY8_DS(dest,src,len) \ + { register lzo_uint __l = (len) / 8; \ + do { \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + } while (--__l > 0); } + +#endif + +#define MEMCPY_DS(dest,src,len) \ + do *dest++ = *src++; \ + while (--len > 0) + +#define MEMMOVE_DS(dest,src,len) \ + do *dest++ = *src++; \ + while (--len > 0) + +#if 0 && defined(LZO_OPTIMIZE_GNUC_i386) + +#define BZERO8_PTR(s,l,n) \ +__asm__ __volatile__( \ + "movl %0,%%eax \n" \ + "movl %1,%%edi \n" \ + "movl %2,%%ecx \n" \ + "cld \n" \ + "rep \n" \ + "stosl %%eax,(%%edi) \n" \ + : \ + :"g" (0),"g" (s),"g" (n) \ + :"eax","edi","ecx", "memory", "cc" \ +) + +#elif (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET) + +#if 1 +#define BZERO8_PTR(s,l,n) memset((s),0,(lzo_uint)(l)*(n)) +#else +#define BZERO8_PTR(s,l,n) memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) +#endif + +#else + +#define BZERO8_PTR(s,l,n) \ + lzo_memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) + +#endif + +#if 0 +#if defined(__GNUC__) && defined(__i386__) + +unsigned char lzo_rotr8(unsigned char value, int shift); +extern __inline__ unsigned char lzo_rotr8(unsigned char value, int shift) +{ + unsigned char result; + + __asm__ __volatile__ ("movb %b1, %b0; rorb %b2, %b0" + : "=a"(result) : "g"(value), "c"(shift)); + return result; +} + +unsigned short lzo_rotr16(unsigned short value, int shift); +extern __inline__ unsigned short lzo_rotr16(unsigned short value, int shift) +{ + unsigned short result; + + __asm__ __volatile__ ("movw %b1, %b0; rorw %b2, %b0" + : "=a"(result) : "g"(value), "c"(shift)); + return result; +} + +#endif +#endif + +#ifdef __cplusplus +} +#endif + +#endif + +LZO_PUBLIC(lzo_bool) +lzo_assert(int expr) +{ + return (expr) ? 1 : 0; +} + +/* If you use the LZO library in a product, you *must* keep this + * copyright string in the executable of your product. + */ + +const lzo_byte __lzo_copyright[] = +#if !defined(__LZO_IN_MINLZO) + LZO_VERSION_STRING; +#else + "\n\n\n" + "LZO real-time data compression library.\n" + "Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer\n" + "\n" + "http://www.oberhumer.com/opensource/lzo/\n" + "\n" + "LZO version: v" LZO_VERSION_STRING ", " LZO_VERSION_DATE "\n" + "LZO build date: " __DATE__ " " __TIME__ "\n\n" + "LZO special compilation options:\n" +#ifdef __cplusplus + " __cplusplus\n" +#endif +#if defined(__PIC__) + " __PIC__\n" +#elif defined(__pic__) + " __pic__\n" +#endif +#if (UINT_MAX < LZO_0xffffffffL) + " 16BIT\n" +#endif +#if defined(__LZO_STRICT_16BIT) + " __LZO_STRICT_16BIT\n" +#endif +#if (UINT_MAX > LZO_0xffffffffL) + " UINT_MAX=" _LZO_MEXPAND(UINT_MAX) "\n" +#endif +#if (ULONG_MAX > LZO_0xffffffffL) + " ULONG_MAX=" _LZO_MEXPAND(ULONG_MAX) "\n" +#endif +#if defined(LZO_BYTE_ORDER) + " LZO_BYTE_ORDER=" _LZO_MEXPAND(LZO_BYTE_ORDER) "\n" +#endif +#if defined(LZO_UNALIGNED_OK_2) + " LZO_UNALIGNED_OK_2\n" +#endif +#if defined(LZO_UNALIGNED_OK_4) + " LZO_UNALIGNED_OK_4\n" +#endif +#if defined(LZO_ALIGNED_OK_4) + " LZO_ALIGNED_OK_4\n" +#endif +#if defined(LZO_DICT_USE_PTR) + " LZO_DICT_USE_PTR\n" +#endif +#if defined(__LZO_QUERY_COMPRESS) + " __LZO_QUERY_COMPRESS\n" +#endif +#if defined(__LZO_QUERY_DECOMPRESS) + " __LZO_QUERY_DECOMPRESS\n" +#endif +#if defined(__LZO_IN_MINILZO) + " __LZO_IN_MINILZO\n" +#endif + "\n\n" + "$Id: LZO " LZO_VERSION_STRING " built " __DATE__ " " __TIME__ +#if defined(__GNUC__) && defined(__VERSION__) + " by gcc " __VERSION__ +#elif defined(__BORLANDC__) + " by Borland C " _LZO_MEXPAND(__BORLANDC__) +#elif defined(_MSC_VER) + " by Microsoft C " _LZO_MEXPAND(_MSC_VER) +#elif defined(__PUREC__) + " by Pure C " _LZO_MEXPAND(__PUREC__) +#elif defined(__SC__) + " by Symantec C " _LZO_MEXPAND(__SC__) +#elif defined(__TURBOC__) + " by Turbo C " _LZO_MEXPAND(__TURBOC__) +#elif defined(__WATCOMC__) + " by Watcom C " _LZO_MEXPAND(__WATCOMC__) +#endif + " $\n" + "$Copyright: LZO (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer $\n"; +#endif + +LZO_PUBLIC(const lzo_byte *) +lzo_copyright(void) +{ + return __lzo_copyright; +} + +LZO_PUBLIC(unsigned) +lzo_version(void) +{ + return LZO_VERSION; +} + +LZO_PUBLIC(const char *) +lzo_version_string(void) +{ + return LZO_VERSION_STRING; +} + +LZO_PUBLIC(const char *) +lzo_version_date(void) +{ + return LZO_VERSION_DATE; +} + +LZO_PUBLIC(const lzo_charp) +_lzo_version_string(void) +{ + return LZO_VERSION_STRING; +} + +LZO_PUBLIC(const lzo_charp) +_lzo_version_date(void) +{ + return LZO_VERSION_DATE; +} + +#define LZO_BASE 65521u +#define LZO_NMAX 5552 + +#define LZO_DO1(buf,i) {s1 += buf[i]; s2 += s1;} +#define LZO_DO2(buf,i) LZO_DO1(buf,i); LZO_DO1(buf,i+1); +#define LZO_DO4(buf,i) LZO_DO2(buf,i); LZO_DO2(buf,i+2); +#define LZO_DO8(buf,i) LZO_DO4(buf,i); LZO_DO4(buf,i+4); +#define LZO_DO16(buf,i) LZO_DO8(buf,i); LZO_DO8(buf,i+8); + +LZO_PUBLIC(lzo_uint32) +lzo_adler32(lzo_uint32 adler, const lzo_byte *buf, lzo_uint len) +{ + lzo_uint32 s1 = adler & 0xffff; + lzo_uint32 s2 = (adler >> 16) & 0xffff; + int k; + + if (buf == NULL) + return 1; + + while (len > 0) + { + k = len < LZO_NMAX ? (int) len : LZO_NMAX; + len -= k; + if (k >= 16) do + { + LZO_DO16(buf,0); + buf += 16; + k -= 16; + } while (k >= 16); + if (k != 0) do + { + s1 += *buf++; + s2 += s1; + } while (--k > 0); + s1 %= LZO_BASE; + s2 %= LZO_BASE; + } + return (s2 << 16) | s1; +} + +LZO_PUBLIC(int) +lzo_memcmp(const lzo_voidp s1, const lzo_voidp s2, lzo_uint len) +{ +#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCMP) + return memcmp(s1,s2,len); +#else + const lzo_byte *p1 = (const lzo_byte *) s1; + const lzo_byte *p2 = (const lzo_byte *) s2; + int d; + + if (len > 0) do + { + d = *p1 - *p2; + if (d != 0) + return d; + p1++; + p2++; + } + while (--len > 0); + return 0; +#endif +} + +LZO_PUBLIC(lzo_voidp) +lzo_memcpy(lzo_voidp dest, const lzo_voidp src, lzo_uint len) +{ +#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCPY) + return memcpy(dest,src,len); +#else + lzo_byte *p1 = (lzo_byte *) dest; + const lzo_byte *p2 = (const lzo_byte *) src; + + if (len <= 0 || p1 == p2) + return dest; + do + *p1++ = *p2++; + while (--len > 0); + return dest; +#endif +} + +LZO_PUBLIC(lzo_voidp) +lzo_memmove(lzo_voidp dest, const lzo_voidp src, lzo_uint len) +{ +#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMMOVE) + return memmove(dest,src,len); +#else + lzo_byte *p1 = (lzo_byte *) dest; + const lzo_byte *p2 = (const lzo_byte *) src; + + if (len <= 0 || p1 == p2) + return dest; + + if (p1 < p2) + { + do + *p1++ = *p2++; + while (--len > 0); + } + else + { + p1 += len; + p2 += len; + do + *--p1 = *--p2; + while (--len > 0); + } + return dest; +#endif +} + +LZO_PUBLIC(lzo_voidp) +lzo_memset(lzo_voidp s, int c, lzo_uint len) +{ +#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET) + return memset(s,c,len); +#else + lzo_byte *p = (lzo_byte *) s; + + if (len > 0) do + *p++ = LZO_BYTE(c); + while (--len > 0); + return s; +#endif +} + +#if 0 +# define IS_SIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) < 0) +# define IS_UNSIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) > 0) +#else +# define IS_SIGNED(type) (((type) (-1)) < ((type) 0)) +# define IS_UNSIGNED(type) (((type) (-1)) > ((type) 0)) +#endif + +#define IS_POWER_OF_2(x) (((x) & ((x) - 1)) == 0) + +static lzo_bool schedule_insns_bug(void); +static lzo_bool strength_reduce_bug(int *); + +#if 0 || defined(LZO_DEBUG) +#include +static lzo_bool __lzo_assert_fail(const char *s, unsigned line) +{ +#if defined(__palmos__) + printf("LZO assertion failed in line %u: '%s'\n",line,s); +#else + fprintf(stderr,"LZO assertion failed in line %u: '%s'\n",line,s); +#endif + return 0; +} +# define __lzo_assert(x) ((x) ? 1 : __lzo_assert_fail(#x,__LINE__)) +#else +# define __lzo_assert(x) ((x) ? 1 : 0) +#endif + +#undef COMPILE_TIME_ASSERT +#if 0 +# define COMPILE_TIME_ASSERT(expr) r &= __lzo_assert(expr) +#else +# define COMPILE_TIME_ASSERT(expr) LZO_COMPILE_TIME_ASSERT(expr) +#endif + +static lzo_bool basic_integral_check(void) +{ + lzo_bool r = 1; + + COMPILE_TIME_ASSERT(CHAR_BIT == 8); + COMPILE_TIME_ASSERT(sizeof(char) == 1); + COMPILE_TIME_ASSERT(sizeof(short) >= 2); + COMPILE_TIME_ASSERT(sizeof(long) >= 4); + COMPILE_TIME_ASSERT(sizeof(int) >= sizeof(short)); + COMPILE_TIME_ASSERT(sizeof(long) >= sizeof(int)); + + COMPILE_TIME_ASSERT(sizeof(lzo_uint) == sizeof(lzo_int)); + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == sizeof(lzo_int32)); + + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= 4); + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= sizeof(unsigned)); +#if defined(__LZO_STRICT_16BIT) + COMPILE_TIME_ASSERT(sizeof(lzo_uint) == 2); +#else + COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= 4); + COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= sizeof(unsigned)); +#endif + +#if (USHRT_MAX == 65535u) + COMPILE_TIME_ASSERT(sizeof(short) == 2); +#elif (USHRT_MAX == LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(short) == 4); +#elif (USHRT_MAX >= LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(short) > 4); +#endif +#if (UINT_MAX == 65535u) + COMPILE_TIME_ASSERT(sizeof(int) == 2); +#elif (UINT_MAX == LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(int) == 4); +#elif (UINT_MAX >= LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(int) > 4); +#endif +#if (ULONG_MAX == 65535ul) + COMPILE_TIME_ASSERT(sizeof(long) == 2); +#elif (ULONG_MAX == LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(long) == 4); +#elif (ULONG_MAX >= LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(long) > 4); +#endif + +#if defined(SIZEOF_UNSIGNED) + COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED == sizeof(unsigned)); +#endif +#if defined(SIZEOF_UNSIGNED_LONG) + COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_LONG == sizeof(unsigned long)); +#endif +#if defined(SIZEOF_UNSIGNED_SHORT) + COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_SHORT == sizeof(unsigned short)); +#endif +#if !defined(__LZO_IN_MINILZO) +#if defined(SIZEOF_SIZE_T) + COMPILE_TIME_ASSERT(SIZEOF_SIZE_T == sizeof(size_t)); +#endif +#endif + + COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned char)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned short)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned long)); + COMPILE_TIME_ASSERT(IS_SIGNED(short)); + COMPILE_TIME_ASSERT(IS_SIGNED(int)); + COMPILE_TIME_ASSERT(IS_SIGNED(long)); + + COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint32)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint)); + COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int32)); + COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int)); + + COMPILE_TIME_ASSERT(INT_MAX == LZO_STYPE_MAX(sizeof(int))); + COMPILE_TIME_ASSERT(UINT_MAX == LZO_UTYPE_MAX(sizeof(unsigned))); + COMPILE_TIME_ASSERT(LONG_MAX == LZO_STYPE_MAX(sizeof(long))); + COMPILE_TIME_ASSERT(ULONG_MAX == LZO_UTYPE_MAX(sizeof(unsigned long))); + COMPILE_TIME_ASSERT(SHRT_MAX == LZO_STYPE_MAX(sizeof(short))); + COMPILE_TIME_ASSERT(USHRT_MAX == LZO_UTYPE_MAX(sizeof(unsigned short))); + COMPILE_TIME_ASSERT(LZO_UINT32_MAX == LZO_UTYPE_MAX(sizeof(lzo_uint32))); + COMPILE_TIME_ASSERT(LZO_UINT_MAX == LZO_UTYPE_MAX(sizeof(lzo_uint))); +#if !defined(__LZO_IN_MINILZO) + COMPILE_TIME_ASSERT(SIZE_T_MAX == LZO_UTYPE_MAX(sizeof(size_t))); +#endif + + r &= __lzo_assert(LZO_BYTE(257) == 1); + + return r; +} + +static lzo_bool basic_ptr_check(void) +{ + lzo_bool r = 1; + + COMPILE_TIME_ASSERT(sizeof(char *) >= sizeof(int)); + COMPILE_TIME_ASSERT(sizeof(lzo_byte *) >= sizeof(char *)); + + COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_byte *)); + COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_voidpp)); + COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_bytepp)); + COMPILE_TIME_ASSERT(sizeof(lzo_voidp) >= sizeof(lzo_uint)); + + COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_voidp)); + COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_sptr_t)); + COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) >= sizeof(lzo_uint)); + + COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= 4); + COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(ptrdiff_t)); + + COMPILE_TIME_ASSERT(sizeof(ptrdiff_t) >= sizeof(size_t)); + COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(lzo_uint)); + +#if defined(SIZEOF_CHAR_P) + COMPILE_TIME_ASSERT(SIZEOF_CHAR_P == sizeof(char *)); +#endif +#if defined(SIZEOF_PTRDIFF_T) + COMPILE_TIME_ASSERT(SIZEOF_PTRDIFF_T == sizeof(ptrdiff_t)); +#endif + + COMPILE_TIME_ASSERT(IS_SIGNED(ptrdiff_t)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(size_t)); + COMPILE_TIME_ASSERT(IS_SIGNED(lzo_ptrdiff_t)); + COMPILE_TIME_ASSERT(IS_SIGNED(lzo_sptr_t)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_ptr_t)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_moff_t)); + + return r; +} + +static lzo_bool ptr_check(void) +{ + lzo_bool r = 1; + int i; + char _wrkmem[10 * sizeof(lzo_byte *) + sizeof(lzo_full_align_t)]; + lzo_bytep wrkmem; + lzo_bytepp dict; + unsigned char x[4 * sizeof(lzo_full_align_t)]; + long d; + lzo_full_align_t a; + lzo_full_align_t u; + + for (i = 0; i < (int) sizeof(x); i++) + x[i] = LZO_BYTE(i); + + wrkmem = LZO_PTR_ALIGN_UP((lzo_byte *)_wrkmem,sizeof(lzo_full_align_t)); + +#if 0 + dict = (lzo_bytepp) wrkmem; +#else + + u.a_lzo_bytep = wrkmem; dict = u.a_lzo_bytepp; +#endif + + d = (long) ((const lzo_bytep) dict - (const lzo_bytep) _wrkmem); + r &= __lzo_assert(d >= 0); + r &= __lzo_assert(d < (long) sizeof(lzo_full_align_t)); + + memset(&a,0,sizeof(a)); + r &= __lzo_assert(a.a_lzo_voidp == NULL); + + memset(&a,0xff,sizeof(a)); + r &= __lzo_assert(a.a_ushort == USHRT_MAX); + r &= __lzo_assert(a.a_uint == UINT_MAX); + r &= __lzo_assert(a.a_ulong == ULONG_MAX); + r &= __lzo_assert(a.a_lzo_uint == LZO_UINT_MAX); + r &= __lzo_assert(a.a_lzo_uint32 == LZO_UINT32_MAX); + + if (r == 1) + { + for (i = 0; i < 8; i++) + r &= __lzo_assert((const lzo_voidp) (&dict[i]) == (const lzo_voidp) (&wrkmem[i * sizeof(lzo_byte *)])); + } + + memset(&a,0,sizeof(a)); + r &= __lzo_assert(a.a_char_p == NULL); + r &= __lzo_assert(a.a_lzo_bytep == NULL); + r &= __lzo_assert(NULL == (void *)0); + if (r == 1) + { + for (i = 0; i < 10; i++) + dict[i] = wrkmem; + BZERO8_PTR(dict+1,sizeof(dict[0]),8); + r &= __lzo_assert(dict[0] == wrkmem); + for (i = 1; i < 9; i++) + r &= __lzo_assert(dict[i] == NULL); + r &= __lzo_assert(dict[9] == wrkmem); + } + + if (r == 1) + { + unsigned k = 1; + const unsigned n = (unsigned) sizeof(lzo_uint32); + lzo_byte *p0; + lzo_byte *p1; + + k += __lzo_align_gap(&x[k],n); + p0 = (lzo_bytep) &x[k]; +#if defined(PTR_LINEAR) + r &= __lzo_assert((PTR_LINEAR(p0) & (n-1)) == 0); +#else + r &= __lzo_assert(n == 4); + r &= __lzo_assert(PTR_ALIGNED_4(p0)); +#endif + + r &= __lzo_assert(k >= 1); + p1 = (lzo_bytep) &x[1]; + r &= __lzo_assert(PTR_GE(p0,p1)); + + r &= __lzo_assert(k < 1+n); + p1 = (lzo_bytep) &x[1+n]; + r &= __lzo_assert(PTR_LT(p0,p1)); + + if (r == 1) + { + lzo_uint32 v0, v1; +#if 0 + v0 = * (lzo_uint32 *) &x[k]; + v1 = * (lzo_uint32 *) &x[k+n]; +#else + + u.a_uchar_p = &x[k]; + v0 = *u.a_lzo_uint32_p; + u.a_uchar_p = &x[k+n]; + v1 = *u.a_lzo_uint32_p; +#endif + r &= __lzo_assert(v0 > 0); + r &= __lzo_assert(v1 > 0); + } + } + + return r; +} + +LZO_PUBLIC(int) +_lzo_config_check(void) +{ + lzo_bool r = 1; + int i; + union { + lzo_uint32 a; + unsigned short b; + lzo_uint32 aa[4]; + unsigned char x[4*sizeof(lzo_full_align_t)]; + } u; + + COMPILE_TIME_ASSERT( (int) ((unsigned char) ((signed char) -1)) == 255); + COMPILE_TIME_ASSERT( (((unsigned char)128) << (int)(8*sizeof(int)-8)) < 0); + +#if 0 + r &= __lzo_assert((const void *)&u == (const void *)&u.a); + r &= __lzo_assert((const void *)&u == (const void *)&u.b); + r &= __lzo_assert((const void *)&u == (const void *)&u.x[0]); + r &= __lzo_assert((const void *)&u == (const void *)&u.aa[0]); +#endif + + r &= basic_integral_check(); + r &= basic_ptr_check(); + if (r != 1) + return LZO_E_ERROR; + + u.a = 0; u.b = 0; + for (i = 0; i < (int) sizeof(u.x); i++) + u.x[i] = LZO_BYTE(i); + +#if defined(LZO_BYTE_ORDER) + if (r == 1) + { +# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + lzo_uint32 a = (lzo_uint32) (u.a & LZO_0xffffffffL); + unsigned short b = (unsigned short) (u.b & 0xffff); + r &= __lzo_assert(a == 0x03020100L); + r &= __lzo_assert(b == 0x0100); +# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) + lzo_uint32 a = u.a >> (8 * sizeof(u.a) - 32); + unsigned short b = u.b >> (8 * sizeof(u.b) - 16); + r &= __lzo_assert(a == 0x00010203L); + r &= __lzo_assert(b == 0x0001); +# else +# error "invalid LZO_BYTE_ORDER" +# endif + } +#endif + +#if defined(LZO_UNALIGNED_OK_2) + COMPILE_TIME_ASSERT(sizeof(short) == 2); + if (r == 1) + { + unsigned short b[4]; + + for (i = 0; i < 4; i++) + b[i] = * (const unsigned short *) &u.x[i]; + +# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + r &= __lzo_assert(b[0] == 0x0100); + r &= __lzo_assert(b[1] == 0x0201); + r &= __lzo_assert(b[2] == 0x0302); + r &= __lzo_assert(b[3] == 0x0403); +# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) + r &= __lzo_assert(b[0] == 0x0001); + r &= __lzo_assert(b[1] == 0x0102); + r &= __lzo_assert(b[2] == 0x0203); + r &= __lzo_assert(b[3] == 0x0304); +# endif + } +#endif + +#if defined(LZO_UNALIGNED_OK_4) + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4); + if (r == 1) + { + lzo_uint32 a[4]; + + for (i = 0; i < 4; i++) + a[i] = * (const lzo_uint32 *) &u.x[i]; + +# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + r &= __lzo_assert(a[0] == 0x03020100L); + r &= __lzo_assert(a[1] == 0x04030201L); + r &= __lzo_assert(a[2] == 0x05040302L); + r &= __lzo_assert(a[3] == 0x06050403L); +# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) + r &= __lzo_assert(a[0] == 0x00010203L); + r &= __lzo_assert(a[1] == 0x01020304L); + r &= __lzo_assert(a[2] == 0x02030405L); + r &= __lzo_assert(a[3] == 0x03040506L); +# endif + } +#endif + +#if defined(LZO_ALIGNED_OK_4) + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4); +#endif + + COMPILE_TIME_ASSERT(lzo_sizeof_dict_t == sizeof(lzo_dict_t)); + +#if defined(__LZO_IN_MINLZO) + if (r == 1) + { + lzo_uint32 adler; + adler = lzo_adler32(0, NULL, 0); + adler = lzo_adler32(adler, lzo_copyright(), 200); + r &= __lzo_assert(adler == 0xc76f1751L); + } +#endif + + if (r == 1) + { + r &= __lzo_assert(!schedule_insns_bug()); + } + + if (r == 1) + { + static int x[3]; + static unsigned xn = 3; + register unsigned j; + + for (j = 0; j < xn; j++) + x[j] = (int)j - 3; + r &= __lzo_assert(!strength_reduce_bug(x)); + } + + if (r == 1) + { + r &= ptr_check(); + } + + return r == 1 ? LZO_E_OK : LZO_E_ERROR; +} + +static lzo_bool schedule_insns_bug(void) +{ +#if defined(__LZO_CHECKER) + return 0; +#else + const int clone[] = {1, 2, 0}; + const int *q; + q = clone; + return (*q) ? 0 : 1; +#endif +} + +static lzo_bool strength_reduce_bug(int *x) +{ + return x[0] != -3 || x[1] != -2 || x[2] != -1; +} + +#undef COMPILE_TIME_ASSERT + +int __lzo_init_done = 0; + +LZO_PUBLIC(int) +__lzo_init2(unsigned v, int s1, int s2, int s3, int s4, int s5, + int s6, int s7, int s8, int s9) +{ + int r; + + __lzo_init_done = 1; + + if (v == 0) + return LZO_E_ERROR; + + r = (s1 == -1 || s1 == (int) sizeof(short)) && + (s2 == -1 || s2 == (int) sizeof(int)) && + (s3 == -1 || s3 == (int) sizeof(long)) && + (s4 == -1 || s4 == (int) sizeof(lzo_uint32)) && + (s5 == -1 || s5 == (int) sizeof(lzo_uint)) && + (s6 == -1 || s6 == (int) lzo_sizeof_dict_t) && + (s7 == -1 || s7 == (int) sizeof(char *)) && + (s8 == -1 || s8 == (int) sizeof(lzo_voidp)) && + (s9 == -1 || s9 == (int) sizeof(lzo_compress_t)); + if (!r) + return LZO_E_ERROR; + + r = _lzo_config_check(); + if (r != LZO_E_OK) + return r; + + return r; +} + +#if !defined(__LZO_IN_MINILZO) + +LZO_EXTERN(int) +__lzo_init(unsigned v,int s1,int s2,int s3,int s4,int s5,int s6,int s7); + +LZO_PUBLIC(int) +__lzo_init(unsigned v,int s1,int s2,int s3,int s4,int s5,int s6,int s7) +{ + if (v == 0 || v > 0x1010) + return LZO_E_ERROR; + return __lzo_init2(v,s1,s2,s3,s4,s5,-1,-1,s6,s7); +} + +#endif + +#define do_compress _lzo1x_1_do_compress + +#define LZO_NEED_DICT_H +#define D_BITS 14 +#define D_INDEX1(d,p) d = DM((0x21*DX3(p,5,5,6)) >> 5) +#define D_INDEX2(d,p) d = (d & (D_MASK & 0x7ff)) ^ (D_HIGH | 0x1f) + +#ifndef __LZO_CONFIG1X_H +#define __LZO_CONFIG1X_H + +#if !defined(LZO1X) && !defined(LZO1Y) && !defined(LZO1Z) +# define LZO1X +#endif + +#if !defined(__LZO_IN_MINILZO) +#include +#endif + +#define LZO_EOF_CODE +#undef LZO_DETERMINISTIC + +#define M1_MAX_OFFSET 0x0400 +#ifndef M2_MAX_OFFSET +#define M2_MAX_OFFSET 0x0800 +#endif +#define M3_MAX_OFFSET 0x4000 +#define M4_MAX_OFFSET 0xbfff + +#define MX_MAX_OFFSET (M1_MAX_OFFSET + M2_MAX_OFFSET) + +#define M1_MIN_LEN 2 +#define M1_MAX_LEN 2 +#define M2_MIN_LEN 3 +#ifndef M2_MAX_LEN +#define M2_MAX_LEN 8 +#endif +#define M3_MIN_LEN 3 +#define M3_MAX_LEN 33 +#define M4_MIN_LEN 3 +#define M4_MAX_LEN 9 + +#define M1_MARKER 0 +#define M2_MARKER 64 +#define M3_MARKER 32 +#define M4_MARKER 16 + +#ifndef MIN_LOOKAHEAD +#define MIN_LOOKAHEAD (M2_MAX_LEN + 1) +#endif + +#if defined(LZO_NEED_DICT_H) + +#ifndef LZO_HASH +#define LZO_HASH LZO_HASH_LZO_INCREMENTAL_B +#endif +#define DL_MIN_LEN M2_MIN_LEN + +#ifndef __LZO_DICT_H +#define __LZO_DICT_H + +#ifdef __cplusplus +extern "C" { +#endif + +#if !defined(D_BITS) && defined(DBITS) +# define D_BITS DBITS +#endif +#if !defined(D_BITS) +# error "D_BITS is not defined" +#endif +#if (D_BITS < 16) +# define D_SIZE LZO_SIZE(D_BITS) +# define D_MASK LZO_MASK(D_BITS) +#else +# define D_SIZE LZO_USIZE(D_BITS) +# define D_MASK LZO_UMASK(D_BITS) +#endif +#define D_HIGH ((D_MASK >> 1) + 1) + +#if !defined(DD_BITS) +# define DD_BITS 0 +#endif +#define DD_SIZE LZO_SIZE(DD_BITS) +#define DD_MASK LZO_MASK(DD_BITS) + +#if !defined(DL_BITS) +# define DL_BITS (D_BITS - DD_BITS) +#endif +#if (DL_BITS < 16) +# define DL_SIZE LZO_SIZE(DL_BITS) +# define DL_MASK LZO_MASK(DL_BITS) +#else +# define DL_SIZE LZO_USIZE(DL_BITS) +# define DL_MASK LZO_UMASK(DL_BITS) +#endif + +#if (D_BITS != DL_BITS + DD_BITS) +# error "D_BITS does not match" +#endif +#if (D_BITS < 8 || D_BITS > 18) +# error "invalid D_BITS" +#endif +#if (DL_BITS < 8 || DL_BITS > 20) +# error "invalid DL_BITS" +#endif +#if (DD_BITS < 0 || DD_BITS > 6) +# error "invalid DD_BITS" +#endif + +#if !defined(DL_MIN_LEN) +# define DL_MIN_LEN 3 +#endif +#if !defined(DL_SHIFT) +# define DL_SHIFT ((DL_BITS + (DL_MIN_LEN - 1)) / DL_MIN_LEN) +#endif + +#define LZO_HASH_GZIP 1 +#define LZO_HASH_GZIP_INCREMENTAL 2 +#define LZO_HASH_LZO_INCREMENTAL_A 3 +#define LZO_HASH_LZO_INCREMENTAL_B 4 + +#if !defined(LZO_HASH) +# error "choose a hashing strategy" +#endif + +#if (DL_MIN_LEN == 3) +# define _DV2_A(p,shift1,shift2) \ + (((( (lzo_uint32)((p)[0]) << shift1) ^ (p)[1]) << shift2) ^ (p)[2]) +# define _DV2_B(p,shift1,shift2) \ + (((( (lzo_uint32)((p)[2]) << shift1) ^ (p)[1]) << shift2) ^ (p)[0]) +# define _DV3_B(p,shift1,shift2,shift3) \ + ((_DV2_B((p)+1,shift1,shift2) << (shift3)) ^ (p)[0]) +#elif (DL_MIN_LEN == 2) +# define _DV2_A(p,shift1,shift2) \ + (( (lzo_uint32)(p[0]) << shift1) ^ p[1]) +# define _DV2_B(p,shift1,shift2) \ + (( (lzo_uint32)(p[1]) << shift1) ^ p[2]) +#else +# error "invalid DL_MIN_LEN" +#endif +#define _DV_A(p,shift) _DV2_A(p,shift,shift) +#define _DV_B(p,shift) _DV2_B(p,shift,shift) +#define DA2(p,s1,s2) \ + (((((lzo_uint32)((p)[2]) << (s2)) + (p)[1]) << (s1)) + (p)[0]) +#define DS2(p,s1,s2) \ + (((((lzo_uint32)((p)[2]) << (s2)) - (p)[1]) << (s1)) - (p)[0]) +#define DX2(p,s1,s2) \ + (((((lzo_uint32)((p)[2]) << (s2)) ^ (p)[1]) << (s1)) ^ (p)[0]) +#define DA3(p,s1,s2,s3) ((DA2((p)+1,s2,s3) << (s1)) + (p)[0]) +#define DS3(p,s1,s2,s3) ((DS2((p)+1,s2,s3) << (s1)) - (p)[0]) +#define DX3(p,s1,s2,s3) ((DX2((p)+1,s2,s3) << (s1)) ^ (p)[0]) +#define DMS(v,s) ((lzo_uint) (((v) & (D_MASK >> (s))) << (s))) +#define DM(v) DMS(v,0) + +#if (LZO_HASH == LZO_HASH_GZIP) +# define _DINDEX(dv,p) (_DV_A((p),DL_SHIFT)) + +#elif (LZO_HASH == LZO_HASH_GZIP_INCREMENTAL) +# define __LZO_HASH_INCREMENTAL +# define DVAL_FIRST(dv,p) dv = _DV_A((p),DL_SHIFT) +# define DVAL_NEXT(dv,p) dv = (((dv) << DL_SHIFT) ^ p[2]) +# define _DINDEX(dv,p) (dv) +# define DVAL_LOOKAHEAD DL_MIN_LEN + +#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_A) +# define __LZO_HASH_INCREMENTAL +# define DVAL_FIRST(dv,p) dv = _DV_A((p),5) +# define DVAL_NEXT(dv,p) \ + dv ^= (lzo_uint32)(p[-1]) << (2*5); dv = (((dv) << 5) ^ p[2]) +# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5) +# define DVAL_LOOKAHEAD DL_MIN_LEN + +#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_B) +# define __LZO_HASH_INCREMENTAL +# define DVAL_FIRST(dv,p) dv = _DV_B((p),5) +# define DVAL_NEXT(dv,p) \ + dv ^= p[-1]; dv = (((dv) >> 5) ^ ((lzo_uint32)(p[2]) << (2*5))) +# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5) +# define DVAL_LOOKAHEAD DL_MIN_LEN + +#else +# error "choose a hashing strategy" +#endif + +#ifndef DINDEX +#define DINDEX(dv,p) ((lzo_uint)((_DINDEX(dv,p)) & DL_MASK) << DD_BITS) +#endif +#if !defined(DINDEX1) && defined(D_INDEX1) +#define DINDEX1 D_INDEX1 +#endif +#if !defined(DINDEX2) && defined(D_INDEX2) +#define DINDEX2 D_INDEX2 +#endif + +#if !defined(__LZO_HASH_INCREMENTAL) +# define DVAL_FIRST(dv,p) ((void) 0) +# define DVAL_NEXT(dv,p) ((void) 0) +# define DVAL_LOOKAHEAD 0 +#endif + +#if !defined(DVAL_ASSERT) +#if defined(__LZO_HASH_INCREMENTAL) && !defined(NDEBUG) +static void DVAL_ASSERT(lzo_uint32 dv, const lzo_byte *p) +{ + lzo_uint32 df; + DVAL_FIRST(df,(p)); + assert(DINDEX(dv,p) == DINDEX(df,p)); +} +#else +# define DVAL_ASSERT(dv,p) ((void) 0) +#endif +#endif + +#if defined(LZO_DICT_USE_PTR) +# define DENTRY(p,in) (p) +# define GINDEX(m_pos,m_off,dict,dindex,in) m_pos = dict[dindex] +#else +# define DENTRY(p,in) ((lzo_uint) ((p)-(in))) +# define GINDEX(m_pos,m_off,dict,dindex,in) m_off = dict[dindex] +#endif + +#if (DD_BITS == 0) + +# define UPDATE_D(dict,drun,dv,p,in) dict[ DINDEX(dv,p) ] = DENTRY(p,in) +# define UPDATE_I(dict,drun,index,p,in) dict[index] = DENTRY(p,in) +# define UPDATE_P(ptr,drun,p,in) (ptr)[0] = DENTRY(p,in) + +#else + +# define UPDATE_D(dict,drun,dv,p,in) \ + dict[ DINDEX(dv,p) + drun++ ] = DENTRY(p,in); drun &= DD_MASK +# define UPDATE_I(dict,drun,index,p,in) \ + dict[ (index) + drun++ ] = DENTRY(p,in); drun &= DD_MASK +# define UPDATE_P(ptr,drun,p,in) \ + (ptr) [ drun++ ] = DENTRY(p,in); drun &= DD_MASK + +#endif + +#if defined(LZO_DICT_USE_PTR) + +#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \ + (m_pos == NULL || (m_off = (lzo_moff_t) (ip - m_pos)) > max_offset) + +#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \ + (BOUNDS_CHECKING_OFF_IN_EXPR( \ + (PTR_LT(m_pos,in) || \ + (m_off = (lzo_moff_t) PTR_DIFF(ip,m_pos)) <= 0 || \ + m_off > max_offset) )) + +#else + +#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \ + (m_off == 0 || \ + ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \ + (m_pos = (ip) - (m_off), 0) ) + +#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \ + ((lzo_moff_t) ((ip)-(in)) <= m_off || \ + ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \ + (m_pos = (ip) - (m_off), 0) ) + +#endif + +#if defined(LZO_DETERMINISTIC) +# define LZO_CHECK_MPOS LZO_CHECK_MPOS_DET +#else +# define LZO_CHECK_MPOS LZO_CHECK_MPOS_NON_DET +#endif + +#ifdef __cplusplus +} +#endif + +#endif + +#endif + +#endif + +#define DO_COMPRESS lzo1x_1_compress + +static +lzo_uint do_compress ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uintp out_len, + lzo_voidp wrkmem ) +{ +#if 0 && defined(__GNUC__) && defined(__i386__) + register const lzo_byte *ip __asm__("%esi"); +#else + register const lzo_byte *ip; +#endif + lzo_byte *op; + const lzo_byte * const in_end = in + in_len; + const lzo_byte * const ip_end = in + in_len - M2_MAX_LEN - 5; + const lzo_byte *ii; + lzo_dict_p const dict = (lzo_dict_p) wrkmem; + + op = out; + ip = in; + ii = ip; + + ip += 4; + for (;;) + { +#if 0 && defined(__GNUC__) && defined(__i386__) + register const lzo_byte *m_pos __asm__("%edi"); +#else + register const lzo_byte *m_pos; +#endif + lzo_moff_t m_off; + lzo_uint m_len; + lzo_uint dindex; + + DINDEX1(dindex,ip); + GINDEX(m_pos,m_off,dict,dindex,in); + if (LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,M4_MAX_OFFSET)) + goto literal; +#if 1 + if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3]) + goto try_match; + DINDEX2(dindex,ip); +#endif + GINDEX(m_pos,m_off,dict,dindex,in); + if (LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,M4_MAX_OFFSET)) + goto literal; + if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3]) + goto try_match; + goto literal; + +try_match: +#if 1 && defined(LZO_UNALIGNED_OK_2) + if (* (const lzo_ushortp) m_pos != * (const lzo_ushortp) ip) +#else + if (m_pos[0] != ip[0] || m_pos[1] != ip[1]) +#endif + { + } + else + { + if (m_pos[2] == ip[2]) + { +#if 0 + if (m_off <= M2_MAX_OFFSET) + goto match; + if (lit <= 3) + goto match; + if (lit == 3) + { + assert(op - 2 > out); op[-2] |= LZO_BYTE(3); + *op++ = *ii++; *op++ = *ii++; *op++ = *ii++; + goto code_match; + } + if (m_pos[3] == ip[3]) +#endif + goto match; + } + else + { +#if 0 +#if 0 + if (m_off <= M1_MAX_OFFSET && lit > 0 && lit <= 3) +#else + if (m_off <= M1_MAX_OFFSET && lit == 3) +#endif + { + register lzo_uint t; + + t = lit; + assert(op - 2 > out); op[-2] |= LZO_BYTE(t); + do *op++ = *ii++; while (--t > 0); + assert(ii == ip); + m_off -= 1; + *op++ = LZO_BYTE(M1_MARKER | ((m_off & 3) << 2)); + *op++ = LZO_BYTE(m_off >> 2); + ip += 2; + goto match_done; + } +#endif + } + } + +literal: + UPDATE_I(dict,0,dindex,ip,in); + ++ip; + if (ip >= ip_end) + break; + continue; + +match: + UPDATE_I(dict,0,dindex,ip,in); + if (pd(ip,ii) > 0) + { + register lzo_uint t = pd(ip,ii); + + if (t <= 3) + { + assert(op - 2 > out); + op[-2] |= LZO_BYTE(t); + } + else if (t <= 18) + *op++ = LZO_BYTE(t - 3); + else + { + register lzo_uint tt = t - 18; + + *op++ = 0; + while (tt > 255) + { + tt -= 255; + *op++ = 0; + } + assert(tt > 0); + *op++ = LZO_BYTE(tt); + } + do *op++ = *ii++; while (--t > 0); + } + + assert(ii == ip); + ip += 3; + if (m_pos[3] != *ip++ || m_pos[4] != *ip++ || m_pos[5] != *ip++ || + m_pos[6] != *ip++ || m_pos[7] != *ip++ || m_pos[8] != *ip++ +#ifdef LZO1Y + || m_pos[ 9] != *ip++ || m_pos[10] != *ip++ || m_pos[11] != *ip++ + || m_pos[12] != *ip++ || m_pos[13] != *ip++ || m_pos[14] != *ip++ +#endif + ) + { + --ip; + m_len = ip - ii; + assert(m_len >= 3); assert(m_len <= M2_MAX_LEN); + + if (m_off <= M2_MAX_OFFSET) + { + m_off -= 1; +#if defined(LZO1X) + *op++ = LZO_BYTE(((m_len - 1) << 5) | ((m_off & 7) << 2)); + *op++ = LZO_BYTE(m_off >> 3); +#elif defined(LZO1Y) + *op++ = LZO_BYTE(((m_len + 1) << 4) | ((m_off & 3) << 2)); + *op++ = LZO_BYTE(m_off >> 2); +#endif + } + else if (m_off <= M3_MAX_OFFSET) + { + m_off -= 1; + *op++ = LZO_BYTE(M3_MARKER | (m_len - 2)); + goto m3_m4_offset; + } + else +#if defined(LZO1X) + { + m_off -= 0x4000; + assert(m_off > 0); assert(m_off <= 0x7fff); + *op++ = LZO_BYTE(M4_MARKER | + ((m_off & 0x4000) >> 11) | (m_len - 2)); + goto m3_m4_offset; + } +#elif defined(LZO1Y) + goto m4_match; +#endif + } + else + { + { + const lzo_byte *end = in_end; + const lzo_byte *m = m_pos + M2_MAX_LEN + 1; + while (ip < end && *m == *ip) + m++, ip++; + m_len = (ip - ii); + } + assert(m_len > M2_MAX_LEN); + + if (m_off <= M3_MAX_OFFSET) + { + m_off -= 1; + if (m_len <= 33) + *op++ = LZO_BYTE(M3_MARKER | (m_len - 2)); + else + { + m_len -= 33; + *op++ = M3_MARKER | 0; + goto m3_m4_len; + } + } + else + { +#if defined(LZO1Y) +m4_match: +#endif + m_off -= 0x4000; + assert(m_off > 0); assert(m_off <= 0x7fff); + if (m_len <= M4_MAX_LEN) + *op++ = LZO_BYTE(M4_MARKER | + ((m_off & 0x4000) >> 11) | (m_len - 2)); + else + { + m_len -= M4_MAX_LEN; + *op++ = LZO_BYTE(M4_MARKER | ((m_off & 0x4000) >> 11)); +m3_m4_len: + while (m_len > 255) + { + m_len -= 255; + *op++ = 0; + } + assert(m_len > 0); + *op++ = LZO_BYTE(m_len); + } + } + +m3_m4_offset: + *op++ = LZO_BYTE((m_off & 63) << 2); + *op++ = LZO_BYTE(m_off >> 6); + } + +#if 0 +match_done: +#endif + ii = ip; + if (ip >= ip_end) + break; + } + + *out_len = op - out; + return pd(in_end,ii); +} + +LZO_PUBLIC(int) +DO_COMPRESS ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uintp out_len, + lzo_voidp wrkmem ) +{ + lzo_byte *op = out; + lzo_uint t; + +#if defined(__LZO_QUERY_COMPRESS) + if (__LZO_IS_COMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) + return __LZO_QUERY_COMPRESS(in,in_len,out,out_len,wrkmem,D_SIZE,lzo_sizeof(lzo_dict_t)); +#endif + + if (in_len <= M2_MAX_LEN + 5) + t = in_len; + else + { + t = do_compress(in,in_len,op,out_len,wrkmem); + op += *out_len; + } + + if (t > 0) + { + const lzo_byte *ii = in + in_len - t; + + if (op == out && t <= 238) + *op++ = LZO_BYTE(17 + t); + else if (t <= 3) + op[-2] |= LZO_BYTE(t); + else if (t <= 18) + *op++ = LZO_BYTE(t - 3); + else + { + lzo_uint tt = t - 18; + + *op++ = 0; + while (tt > 255) + { + tt -= 255; + *op++ = 0; + } + assert(tt > 0); + *op++ = LZO_BYTE(tt); + } + do *op++ = *ii++; while (--t > 0); + } + + *op++ = M4_MARKER | 1; + *op++ = 0; + *op++ = 0; + + *out_len = op - out; + return LZO_E_OK; +} + +#undef do_compress +#undef DO_COMPRESS +#undef LZO_HASH + +#undef LZO_TEST_DECOMPRESS_OVERRUN +#undef LZO_TEST_DECOMPRESS_OVERRUN_INPUT +#undef LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT +#undef LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND +#undef DO_DECOMPRESS +#define DO_DECOMPRESS lzo1x_decompress + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN) +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) +# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2 +# endif +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) +# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2 +# endif +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND +# endif +#endif + +#undef TEST_IP +#undef TEST_OP +#undef TEST_LOOKBEHIND +#undef NEED_IP +#undef NEED_OP +#undef HAVE_TEST_IP +#undef HAVE_TEST_OP +#undef HAVE_NEED_IP +#undef HAVE_NEED_OP +#undef HAVE_ANY_IP +#undef HAVE_ANY_OP + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) +# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1) +# define TEST_IP (ip < ip_end) +# endif +# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2) +# define NEED_IP(x) \ + if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun +# endif +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) +# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1) +# define TEST_OP (op <= op_end) +# endif +# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2) +# undef TEST_OP +# define NEED_OP(x) \ + if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun +# endif +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun +#else +# define TEST_LOOKBEHIND(m_pos,op) ((void) 0) +#endif + +#if !defined(LZO_EOF_CODE) && !defined(TEST_IP) +# define TEST_IP (ip < ip_end) +#endif + +#if defined(TEST_IP) +# define HAVE_TEST_IP +#else +# define TEST_IP 1 +#endif +#if defined(TEST_OP) +# define HAVE_TEST_OP +#else +# define TEST_OP 1 +#endif + +#if defined(NEED_IP) +# define HAVE_NEED_IP +#else +# define NEED_IP(x) ((void) 0) +#endif +#if defined(NEED_OP) +# define HAVE_NEED_OP +#else +# define NEED_OP(x) ((void) 0) +#endif + +#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP) +# define HAVE_ANY_IP +#endif +#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP) +# define HAVE_ANY_OP +#endif + +#undef __COPY4 +#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src) + +#undef COPY4 +#if defined(LZO_UNALIGNED_OK_4) +# define COPY4(dst,src) __COPY4(dst,src) +#elif defined(LZO_ALIGNED_OK_4) +# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src)) +#endif + +#if defined(DO_DECOMPRESS) +LZO_PUBLIC(int) +DO_DECOMPRESS ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uintp out_len, + lzo_voidp wrkmem ) +#endif +{ + register lzo_byte *op; + register const lzo_byte *ip; + register lzo_uint t; +#if defined(COPY_DICT) + lzo_uint m_off; + const lzo_byte *dict_end; +#else + register const lzo_byte *m_pos; +#endif + + const lzo_byte * const ip_end = in + in_len; +#if defined(HAVE_ANY_OP) + lzo_byte * const op_end = out + *out_len; +#endif +#if defined(LZO1Z) + lzo_uint last_m_off = 0; +#endif + + LZO_UNUSED(wrkmem); + +#if defined(__LZO_QUERY_DECOMPRESS) + if (__LZO_IS_DECOMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) + return __LZO_QUERY_DECOMPRESS(in,in_len,out,out_len,wrkmem,0,0); +#endif + +#if defined(COPY_DICT) + if (dict) + { + if (dict_len > M4_MAX_OFFSET) + { + dict += dict_len - M4_MAX_OFFSET; + dict_len = M4_MAX_OFFSET; + } + dict_end = dict + dict_len; + } + else + { + dict_len = 0; + dict_end = NULL; + } +#endif + + *out_len = 0; + + op = out; + ip = in; + + if (*ip > 17) + { + t = *ip++ - 17; + if (t < 4) + goto match_next; + assert(t > 0); NEED_OP(t); NEED_IP(t+1); + do *op++ = *ip++; while (--t > 0); + goto first_literal_run; + } + + while (TEST_IP && TEST_OP) + { + t = *ip++; + if (t >= 16) + goto match; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 15 + *ip++; + } + assert(t > 0); NEED_OP(t+3); NEED_IP(t+4); +#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) +#if !defined(LZO_UNALIGNED_OK_4) + if (PTR_ALIGNED2_4(op,ip)) + { +#endif + COPY4(op,ip); + op += 4; ip += 4; + if (--t > 0) + { + if (t >= 4) + { + do { + COPY4(op,ip); + op += 4; ip += 4; t -= 4; + } while (t >= 4); + if (t > 0) do *op++ = *ip++; while (--t > 0); + } + else + do *op++ = *ip++; while (--t > 0); + } +#if !defined(LZO_UNALIGNED_OK_4) + } + else +#endif +#endif +#if !defined(LZO_UNALIGNED_OK_4) + { + *op++ = *ip++; *op++ = *ip++; *op++ = *ip++; + do *op++ = *ip++; while (--t > 0); + } +#endif + +first_literal_run: + + t = *ip++; + if (t >= 16) + goto match; +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); + last_m_off = m_off; +#else + m_off = (1 + M2_MAX_OFFSET) + (t >> 2) + (*ip++ << 2); +#endif + NEED_OP(3); + t = 3; COPY_DICT(t,m_off) +#else +#if defined(LZO1Z) + t = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); + m_pos = op - t; + last_m_off = t; +#else + m_pos = op - (1 + M2_MAX_OFFSET); + m_pos -= t >> 2; + m_pos -= *ip++ << 2; +#endif + TEST_LOOKBEHIND(m_pos,out); NEED_OP(3); + *op++ = *m_pos++; *op++ = *m_pos++; *op++ = *m_pos; +#endif + goto match_done; + + while (TEST_IP && TEST_OP) + { +match: + if (t >= 64) + { +#if defined(COPY_DICT) +#if defined(LZO1X) + m_off = 1 + ((t >> 2) & 7) + (*ip++ << 3); + t = (t >> 5) - 1; +#elif defined(LZO1Y) + m_off = 1 + ((t >> 2) & 3) + (*ip++ << 2); + t = (t >> 4) - 3; +#elif defined(LZO1Z) + m_off = t & 0x1f; + if (m_off >= 0x1c) + m_off = last_m_off; + else + { + m_off = 1 + (m_off << 6) + (*ip++ >> 2); + last_m_off = m_off; + } + t = (t >> 5) - 1; +#endif +#else +#if defined(LZO1X) + m_pos = op - 1; + m_pos -= (t >> 2) & 7; + m_pos -= *ip++ << 3; + t = (t >> 5) - 1; +#elif defined(LZO1Y) + m_pos = op - 1; + m_pos -= (t >> 2) & 3; + m_pos -= *ip++ << 2; + t = (t >> 4) - 3; +#elif defined(LZO1Z) + { + lzo_uint off = t & 0x1f; + m_pos = op; + if (off >= 0x1c) + { + assert(last_m_off > 0); + m_pos -= last_m_off; + } + else + { + off = 1 + (off << 6) + (*ip++ >> 2); + m_pos -= off; + last_m_off = off; + } + } + t = (t >> 5) - 1; +#endif + TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); + goto copy_match; +#endif + } + else if (t >= 32) + { + t &= 31; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 31 + *ip++; + } +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = 1 + (ip[0] << 6) + (ip[1] >> 2); + last_m_off = m_off; +#else + m_off = 1 + (ip[0] >> 2) + (ip[1] << 6); +#endif +#else +#if defined(LZO1Z) + { + lzo_uint off = 1 + (ip[0] << 6) + (ip[1] >> 2); + m_pos = op - off; + last_m_off = off; + } +#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + m_pos = op - 1; + m_pos -= (* (const lzo_ushortp) ip) >> 2; +#else + m_pos = op - 1; + m_pos -= (ip[0] >> 2) + (ip[1] << 6); +#endif +#endif + ip += 2; + } + else if (t >= 16) + { +#if defined(COPY_DICT) + m_off = (t & 8) << 11; +#else + m_pos = op; + m_pos -= (t & 8) << 11; +#endif + t &= 7; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 7 + *ip++; + } +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off += (ip[0] << 6) + (ip[1] >> 2); +#else + m_off += (ip[0] >> 2) + (ip[1] << 6); +#endif + ip += 2; + if (m_off == 0) + goto eof_found; + m_off += 0x4000; +#if defined(LZO1Z) + last_m_off = m_off; +#endif +#else +#if defined(LZO1Z) + m_pos -= (ip[0] << 6) + (ip[1] >> 2); +#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + m_pos -= (* (const lzo_ushortp) ip) >> 2; +#else + m_pos -= (ip[0] >> 2) + (ip[1] << 6); +#endif + ip += 2; + if (m_pos == op) + goto eof_found; + m_pos -= 0x4000; +#if defined(LZO1Z) + last_m_off = op - m_pos; +#endif +#endif + } + else + { +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = 1 + (t << 6) + (*ip++ >> 2); + last_m_off = m_off; +#else + m_off = 1 + (t >> 2) + (*ip++ << 2); +#endif + NEED_OP(2); + t = 2; COPY_DICT(t,m_off) +#else +#if defined(LZO1Z) + t = 1 + (t << 6) + (*ip++ >> 2); + m_pos = op - t; + last_m_off = t; +#else + m_pos = op - 1; + m_pos -= t >> 2; + m_pos -= *ip++ << 2; +#endif + TEST_LOOKBEHIND(m_pos,out); NEED_OP(2); + *op++ = *m_pos++; *op++ = *m_pos; +#endif + goto match_done; + } + +#if defined(COPY_DICT) + + NEED_OP(t+3-1); + t += 3-1; COPY_DICT(t,m_off) + +#else + + TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); +#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) +#if !defined(LZO_UNALIGNED_OK_4) + if (t >= 2 * 4 - (3 - 1) && PTR_ALIGNED2_4(op,m_pos)) + { + assert((op - m_pos) >= 4); +#else + if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) + { +#endif + COPY4(op,m_pos); + op += 4; m_pos += 4; t -= 4 - (3 - 1); + do { + COPY4(op,m_pos); + op += 4; m_pos += 4; t -= 4; + } while (t >= 4); + if (t > 0) do *op++ = *m_pos++; while (--t > 0); + } + else +#endif + { +copy_match: + *op++ = *m_pos++; *op++ = *m_pos++; + do *op++ = *m_pos++; while (--t > 0); + } + +#endif + +match_done: +#if defined(LZO1Z) + t = ip[-1] & 3; +#else + t = ip[-2] & 3; +#endif + if (t == 0) + break; + +match_next: + assert(t > 0); NEED_OP(t); NEED_IP(t+1); + do *op++ = *ip++; while (--t > 0); + t = *ip++; + } + } + +#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP) + *out_len = op - out; + return LZO_E_EOF_NOT_FOUND; +#endif + +eof_found: + assert(t == 1); + *out_len = op - out; + return (ip == ip_end ? LZO_E_OK : + (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN)); + +#if defined(HAVE_NEED_IP) +input_overrun: + *out_len = op - out; + return LZO_E_INPUT_OVERRUN; +#endif + +#if defined(HAVE_NEED_OP) +output_overrun: + *out_len = op - out; + return LZO_E_OUTPUT_OVERRUN; +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +lookbehind_overrun: + *out_len = op - out; + return LZO_E_LOOKBEHIND_OVERRUN; +#endif +} + +#define LZO_TEST_DECOMPRESS_OVERRUN +#undef DO_DECOMPRESS +#define DO_DECOMPRESS lzo1x_decompress_safe + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN) +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) +# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2 +# endif +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) +# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2 +# endif +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND +# endif +#endif + +#undef TEST_IP +#undef TEST_OP +#undef TEST_LOOKBEHIND +#undef NEED_IP +#undef NEED_OP +#undef HAVE_TEST_IP +#undef HAVE_TEST_OP +#undef HAVE_NEED_IP +#undef HAVE_NEED_OP +#undef HAVE_ANY_IP +#undef HAVE_ANY_OP + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) +# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1) +# define TEST_IP (ip < ip_end) +# endif +# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2) +# define NEED_IP(x) \ + if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun +# endif +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) +# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1) +# define TEST_OP (op <= op_end) +# endif +# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2) +# undef TEST_OP +# define NEED_OP(x) \ + if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun +# endif +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun +#else +# define TEST_LOOKBEHIND(m_pos,op) ((void) 0) +#endif + +#if !defined(LZO_EOF_CODE) && !defined(TEST_IP) +# define TEST_IP (ip < ip_end) +#endif + +#if defined(TEST_IP) +# define HAVE_TEST_IP +#else +# define TEST_IP 1 +#endif +#if defined(TEST_OP) +# define HAVE_TEST_OP +#else +# define TEST_OP 1 +#endif + +#if defined(NEED_IP) +# define HAVE_NEED_IP +#else +# define NEED_IP(x) ((void) 0) +#endif +#if defined(NEED_OP) +# define HAVE_NEED_OP +#else +# define NEED_OP(x) ((void) 0) +#endif + +#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP) +# define HAVE_ANY_IP +#endif +#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP) +# define HAVE_ANY_OP +#endif + +#undef __COPY4 +#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src) + +#undef COPY4 +#if defined(LZO_UNALIGNED_OK_4) +# define COPY4(dst,src) __COPY4(dst,src) +#elif defined(LZO_ALIGNED_OK_4) +# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src)) +#endif + +#if defined(DO_DECOMPRESS) +LZO_PUBLIC(int) +DO_DECOMPRESS ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uintp out_len, + lzo_voidp wrkmem ) +#endif +{ + register lzo_byte *op; + register const lzo_byte *ip; + register lzo_uint t; +#if defined(COPY_DICT) + lzo_uint m_off; + const lzo_byte *dict_end; +#else + register const lzo_byte *m_pos; +#endif + + const lzo_byte * const ip_end = in + in_len; +#if defined(HAVE_ANY_OP) + lzo_byte * const op_end = out + *out_len; +#endif +#if defined(LZO1Z) + lzo_uint last_m_off = 0; +#endif + + LZO_UNUSED(wrkmem); + +#if defined(__LZO_QUERY_DECOMPRESS) + if (__LZO_IS_DECOMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) + return __LZO_QUERY_DECOMPRESS(in,in_len,out,out_len,wrkmem,0,0); +#endif + +#if defined(COPY_DICT) + if (dict) + { + if (dict_len > M4_MAX_OFFSET) + { + dict += dict_len - M4_MAX_OFFSET; + dict_len = M4_MAX_OFFSET; + } + dict_end = dict + dict_len; + } + else + { + dict_len = 0; + dict_end = NULL; + } +#endif + + *out_len = 0; + + op = out; + ip = in; + + if (*ip > 17) + { + t = *ip++ - 17; + if (t < 4) + goto match_next; + assert(t > 0); NEED_OP(t); NEED_IP(t+1); + do *op++ = *ip++; while (--t > 0); + goto first_literal_run; + } + + while (TEST_IP && TEST_OP) + { + t = *ip++; + if (t >= 16) + goto match; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 15 + *ip++; + } + assert(t > 0); NEED_OP(t+3); NEED_IP(t+4); +#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) +#if !defined(LZO_UNALIGNED_OK_4) + if (PTR_ALIGNED2_4(op,ip)) + { +#endif + COPY4(op,ip); + op += 4; ip += 4; + if (--t > 0) + { + if (t >= 4) + { + do { + COPY4(op,ip); + op += 4; ip += 4; t -= 4; + } while (t >= 4); + if (t > 0) do *op++ = *ip++; while (--t > 0); + } + else + do *op++ = *ip++; while (--t > 0); + } +#if !defined(LZO_UNALIGNED_OK_4) + } + else +#endif +#endif +#if !defined(LZO_UNALIGNED_OK_4) + { + *op++ = *ip++; *op++ = *ip++; *op++ = *ip++; + do *op++ = *ip++; while (--t > 0); + } +#endif + +first_literal_run: + + t = *ip++; + if (t >= 16) + goto match; +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); + last_m_off = m_off; +#else + m_off = (1 + M2_MAX_OFFSET) + (t >> 2) + (*ip++ << 2); +#endif + NEED_OP(3); + t = 3; COPY_DICT(t,m_off) +#else +#if defined(LZO1Z) + t = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); + m_pos = op - t; + last_m_off = t; +#else + m_pos = op - (1 + M2_MAX_OFFSET); + m_pos -= t >> 2; + m_pos -= *ip++ << 2; +#endif + TEST_LOOKBEHIND(m_pos,out); NEED_OP(3); + *op++ = *m_pos++; *op++ = *m_pos++; *op++ = *m_pos; +#endif + goto match_done; + + while (TEST_IP && TEST_OP) + { +match: + if (t >= 64) + { +#if defined(COPY_DICT) +#if defined(LZO1X) + m_off = 1 + ((t >> 2) & 7) + (*ip++ << 3); + t = (t >> 5) - 1; +#elif defined(LZO1Y) + m_off = 1 + ((t >> 2) & 3) + (*ip++ << 2); + t = (t >> 4) - 3; +#elif defined(LZO1Z) + m_off = t & 0x1f; + if (m_off >= 0x1c) + m_off = last_m_off; + else + { + m_off = 1 + (m_off << 6) + (*ip++ >> 2); + last_m_off = m_off; + } + t = (t >> 5) - 1; +#endif +#else +#if defined(LZO1X) + m_pos = op - 1; + m_pos -= (t >> 2) & 7; + m_pos -= *ip++ << 3; + t = (t >> 5) - 1; +#elif defined(LZO1Y) + m_pos = op - 1; + m_pos -= (t >> 2) & 3; + m_pos -= *ip++ << 2; + t = (t >> 4) - 3; +#elif defined(LZO1Z) + { + lzo_uint off = t & 0x1f; + m_pos = op; + if (off >= 0x1c) + { + assert(last_m_off > 0); + m_pos -= last_m_off; + } + else + { + off = 1 + (off << 6) + (*ip++ >> 2); + m_pos -= off; + last_m_off = off; + } + } + t = (t >> 5) - 1; +#endif + TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); + goto copy_match; +#endif + } + else if (t >= 32) + { + t &= 31; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 31 + *ip++; + } +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = 1 + (ip[0] << 6) + (ip[1] >> 2); + last_m_off = m_off; +#else + m_off = 1 + (ip[0] >> 2) + (ip[1] << 6); +#endif +#else +#if defined(LZO1Z) + { + lzo_uint off = 1 + (ip[0] << 6) + (ip[1] >> 2); + m_pos = op - off; + last_m_off = off; + } +#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + m_pos = op - 1; + m_pos -= (* (const lzo_ushortp) ip) >> 2; +#else + m_pos = op - 1; + m_pos -= (ip[0] >> 2) + (ip[1] << 6); +#endif +#endif + ip += 2; + } + else if (t >= 16) + { +#if defined(COPY_DICT) + m_off = (t & 8) << 11; +#else + m_pos = op; + m_pos -= (t & 8) << 11; +#endif + t &= 7; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 7 + *ip++; + } +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off += (ip[0] << 6) + (ip[1] >> 2); +#else + m_off += (ip[0] >> 2) + (ip[1] << 6); +#endif + ip += 2; + if (m_off == 0) + goto eof_found; + m_off += 0x4000; +#if defined(LZO1Z) + last_m_off = m_off; +#endif +#else +#if defined(LZO1Z) + m_pos -= (ip[0] << 6) + (ip[1] >> 2); +#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + m_pos -= (* (const lzo_ushortp) ip) >> 2; +#else + m_pos -= (ip[0] >> 2) + (ip[1] << 6); +#endif + ip += 2; + if (m_pos == op) + goto eof_found; + m_pos -= 0x4000; +#if defined(LZO1Z) + last_m_off = op - m_pos; +#endif +#endif + } + else + { +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = 1 + (t << 6) + (*ip++ >> 2); + last_m_off = m_off; +#else + m_off = 1 + (t >> 2) + (*ip++ << 2); +#endif + NEED_OP(2); + t = 2; COPY_DICT(t,m_off) +#else +#if defined(LZO1Z) + t = 1 + (t << 6) + (*ip++ >> 2); + m_pos = op - t; + last_m_off = t; +#else + m_pos = op - 1; + m_pos -= t >> 2; + m_pos -= *ip++ << 2; +#endif + TEST_LOOKBEHIND(m_pos,out); NEED_OP(2); + *op++ = *m_pos++; *op++ = *m_pos; +#endif + goto match_done; + } + +#if defined(COPY_DICT) + + NEED_OP(t+3-1); + t += 3-1; COPY_DICT(t,m_off) + +#else + + TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); +#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) +#if !defined(LZO_UNALIGNED_OK_4) + if (t >= 2 * 4 - (3 - 1) && PTR_ALIGNED2_4(op,m_pos)) + { + assert((op - m_pos) >= 4); +#else + if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) + { +#endif + COPY4(op,m_pos); + op += 4; m_pos += 4; t -= 4 - (3 - 1); + do { + COPY4(op,m_pos); + op += 4; m_pos += 4; t -= 4; + } while (t >= 4); + if (t > 0) do *op++ = *m_pos++; while (--t > 0); + } + else +#endif + { +copy_match: + *op++ = *m_pos++; *op++ = *m_pos++; + do *op++ = *m_pos++; while (--t > 0); + } + +#endif + +match_done: +#if defined(LZO1Z) + t = ip[-1] & 3; +#else + t = ip[-2] & 3; +#endif + if (t == 0) + break; + +match_next: + assert(t > 0); NEED_OP(t); NEED_IP(t+1); + do *op++ = *ip++; while (--t > 0); + t = *ip++; + } + } + +#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP) + *out_len = op - out; + return LZO_E_EOF_NOT_FOUND; +#endif + +eof_found: + assert(t == 1); + *out_len = op - out; + return (ip == ip_end ? LZO_E_OK : + (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN)); + +#if defined(HAVE_NEED_IP) +input_overrun: + *out_len = op - out; + return LZO_E_INPUT_OVERRUN; +#endif + +#if defined(HAVE_NEED_OP) +output_overrun: + *out_len = op - out; + return LZO_E_OUTPUT_OVERRUN; +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +lookbehind_overrun: + *out_len = op - out; + return LZO_E_LOOKBEHIND_OVERRUN; +#endif +} + +/***** End of minilzo.c *****/ + diff --git a/libvncclient/minilzo.h b/libvncclient/minilzo.h index 1f38abd..e3270f9 100644 --- a/libvncclient/minilzo.h +++ b/libvncclient/minilzo.h @@ -1,100 +1,100 @@ -/* minilzo.h -- mini subset of the LZO real-time data compression library - - This file is part of the LZO real-time data compression library. - - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer - All Rights Reserved. - - The LZO library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - - The LZO library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the LZO library; see the file COPYING. - If not, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - Markus F.X.J. Oberhumer - - http://www.oberhumer.com/opensource/lzo/ - */ - -/* - * NOTE: - * the full LZO package can be found at - * http://www.oberhumer.com/opensource/lzo/ - */ - - -#ifndef __MINILZO_H -#define __MINILZO_H - -#define MINILZO_VERSION 0x1080 - -#ifdef __LZOCONF_H -# error "you cannot use both LZO and miniLZO" -#endif - -#undef LZO_HAVE_CONFIG_H -#include "lzoconf.h" - -#if !defined(LZO_VERSION) || (LZO_VERSION != MINILZO_VERSION) -# error "version mismatch in header files" -#endif - - -#ifdef __cplusplus -extern "C" { -#endif - - -/*********************************************************************** -// -************************************************************************/ - -/* Memory required for the wrkmem parameter. - * When the required size is 0, you can also pass a NULL pointer. - */ - -#define LZO1X_MEM_COMPRESS LZO1X_1_MEM_COMPRESS -#define LZO1X_1_MEM_COMPRESS ((lzo_uint32) (16384L * lzo_sizeof_dict_t)) -#define LZO1X_MEM_DECOMPRESS (0) - - -/* compression */ -LZO_EXTERN(int) -lzo1x_1_compress ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -/* decompression */ -LZO_EXTERN(int) -lzo1x_decompress ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem /* NOT USED */ ); - -/* safe decompression with overrun testing */ -LZO_EXTERN(int) -lzo1x_decompress_safe ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem /* NOT USED */ ); - - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif /* already included */ - +/* minilzo.h -- mini subset of the LZO real-time data compression library + + This file is part of the LZO real-time data compression library. + + Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + All Rights Reserved. + + The LZO library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of + the License, or (at your option) any later version. + + The LZO library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with the LZO library; see the file COPYING. + If not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Markus F.X.J. Oberhumer + + http://www.oberhumer.com/opensource/lzo/ + */ + +/* + * NOTE: + * the full LZO package can be found at + * http://www.oberhumer.com/opensource/lzo/ + */ + + +#ifndef __MINILZO_H +#define __MINILZO_H + +#define MINILZO_VERSION 0x1080 + +#ifdef __LZOCONF_H +# error "you cannot use both LZO and miniLZO" +#endif + +#undef LZO_HAVE_CONFIG_H +#include "lzoconf.h" + +#if !defined(LZO_VERSION) || (LZO_VERSION != MINILZO_VERSION) +# error "version mismatch in header files" +#endif + + +#ifdef __cplusplus +extern "C" { +#endif + + +/*********************************************************************** +// +************************************************************************/ + +/* Memory required for the wrkmem parameter. + * When the required size is 0, you can also pass a NULL pointer. + */ + +#define LZO1X_MEM_COMPRESS LZO1X_1_MEM_COMPRESS +#define LZO1X_1_MEM_COMPRESS ((lzo_uint32) (16384L * lzo_sizeof_dict_t)) +#define LZO1X_MEM_DECOMPRESS (0) + + +/* compression */ +LZO_EXTERN(int) +lzo1x_1_compress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +/* decompression */ +LZO_EXTERN(int) +lzo1x_decompress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem /* NOT USED */ ); + +/* safe decompression with overrun testing */ +LZO_EXTERN(int) +lzo1x_decompress_safe ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem /* NOT USED */ ); + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* already included */ + diff --git a/libvncserver/lzoconf.h b/libvncserver/lzoconf.h index e8d10db..96db180 100644 --- a/libvncserver/lzoconf.h +++ b/libvncserver/lzoconf.h @@ -1,451 +1,451 @@ -/* lzoconf.h -- configuration for the LZO real-time data compression library - - This file is part of the LZO real-time data compression library. - - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer - All Rights Reserved. - - The LZO library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - - The LZO library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the LZO library; see the file COPYING. - If not, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - Markus F.X.J. Oberhumer - - http://www.oberhumer.com/opensource/lzo/ - */ - - -#ifndef __LZOCONF_H -#define __LZOCONF_H - -#define LZO_VERSION 0x1080 -#define LZO_VERSION_STRING "1.08" -#define LZO_VERSION_DATE "Jul 12 2002" - -/* internal Autoconf configuration file - only used when building LZO */ -#if defined(LZO_HAVE_CONFIG_H) -# include -#endif -#include - -#ifdef __cplusplus -extern "C" { -#endif - - -/*********************************************************************** -// LZO requires a conforming -************************************************************************/ - -#if !defined(CHAR_BIT) || (CHAR_BIT != 8) -# error "invalid CHAR_BIT" -#endif -#if !defined(UCHAR_MAX) || !defined(UINT_MAX) || !defined(ULONG_MAX) -# error "check your compiler installation" -#endif -#if (USHRT_MAX < 1) || (UINT_MAX < 1) || (ULONG_MAX < 1) -# error "your limits.h macros are broken" -#endif - -/* workaround a cpp bug under hpux 10.20 */ -#define LZO_0xffffffffL 4294967295ul - -#if !defined(LZO_UINT32_C) -# if (UINT_MAX < LZO_0xffffffffL) -# define LZO_UINT32_C(c) c ## UL -# else -# define LZO_UINT32_C(c) c ## U -# endif -#endif - - -/*********************************************************************** -// architecture defines -************************************************************************/ - -#if !defined(__LZO_WIN) && !defined(__LZO_DOS) && !defined(__LZO_OS2) -# if defined(__WINDOWS__) || defined(_WINDOWS) || defined(_Windows) -# define __LZO_WIN -# elif defined(__WIN32__) || defined(_WIN32) || defined(WIN32) -# define __LZO_WIN -# elif defined(__NT__) || defined(__NT_DLL__) || defined(__WINDOWS_386__) -# define __LZO_WIN -# elif defined(__DOS__) || defined(__MSDOS__) || defined(MSDOS) -# define __LZO_DOS -# elif defined(__OS2__) || defined(__OS2V2__) || defined(OS2) -# define __LZO_OS2 -# elif defined(__palmos__) -# define __LZO_PALMOS -# elif defined(__TOS__) || defined(__atarist__) -# define __LZO_TOS -# endif -#endif - -#if (UINT_MAX < LZO_0xffffffffL) -# if defined(__LZO_WIN) -# define __LZO_WIN16 -# elif defined(__LZO_DOS) -# define __LZO_DOS16 -# elif defined(__LZO_PALMOS) -# define __LZO_PALMOS16 -# elif defined(__LZO_TOS) -# define __LZO_TOS16 -# elif defined(__C166__) -# else - /* porting hint: for pure 16-bit architectures try compiling - * everything with -D__LZO_STRICT_16BIT */ -# error "16-bit target not supported - contact me for porting hints" -# endif -#endif - -#if !defined(__LZO_i386) -# if defined(__LZO_DOS) || defined(__LZO_WIN16) -# define __LZO_i386 -# elif defined(__i386__) || defined(__386__) || defined(_M_IX86) -# define __LZO_i386 -# endif -#endif - -#if defined(__LZO_STRICT_16BIT) -# if (UINT_MAX < LZO_0xffffffffL) -# include -# endif -#endif - -/* memory checkers */ -#if !defined(__LZO_CHECKER) -# if defined(__BOUNDS_CHECKING_ON) -# define __LZO_CHECKER -# elif defined(__CHECKER__) -# define __LZO_CHECKER -# elif defined(__INSURE__) -# define __LZO_CHECKER -# elif defined(__PURIFY__) -# define __LZO_CHECKER -# endif -#endif - - -/*********************************************************************** -// integral and pointer types -************************************************************************/ - -/* Integral types with 32 bits or more */ -#if !defined(LZO_UINT32_MAX) -# if (UINT_MAX >= LZO_0xffffffffL) - typedef unsigned int lzo_uint32; - typedef int lzo_int32; -# define LZO_UINT32_MAX UINT_MAX -# define LZO_INT32_MAX INT_MAX -# define LZO_INT32_MIN INT_MIN -# elif (ULONG_MAX >= LZO_0xffffffffL) - typedef unsigned long lzo_uint32; - typedef long lzo_int32; -# define LZO_UINT32_MAX ULONG_MAX -# define LZO_INT32_MAX LONG_MAX -# define LZO_INT32_MIN LONG_MIN -# else -# error "lzo_uint32" -# endif -#endif - -/* lzo_uint is used like size_t */ -#if !defined(LZO_UINT_MAX) -# if (UINT_MAX >= LZO_0xffffffffL) - typedef unsigned int lzo_uint; - typedef int lzo_int; -# define LZO_UINT_MAX UINT_MAX -# define LZO_INT_MAX INT_MAX -# define LZO_INT_MIN INT_MIN -# elif (ULONG_MAX >= LZO_0xffffffffL) - typedef unsigned long lzo_uint; - typedef long lzo_int; -# define LZO_UINT_MAX ULONG_MAX -# define LZO_INT_MAX LONG_MAX -# define LZO_INT_MIN LONG_MIN -# else -# error "lzo_uint" -# endif -#endif - -typedef int lzo_bool; - - -/*********************************************************************** -// memory models -************************************************************************/ - -/* Memory model for the public code segment. */ -#if !defined(__LZO_CMODEL) -# if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define __LZO_CMODEL __far -# elif defined(__LZO_i386) && defined(__WATCOMC__) -# define __LZO_CMODEL __near -# else -# define __LZO_CMODEL -# endif -#endif - -/* Memory model for the public data segment. */ -#if !defined(__LZO_DMODEL) -# if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define __LZO_DMODEL __far -# elif defined(__LZO_i386) && defined(__WATCOMC__) -# define __LZO_DMODEL __near -# else -# define __LZO_DMODEL -# endif -#endif - -/* Memory model that allows to access memory at offsets of lzo_uint. */ -#if !defined(__LZO_MMODEL) -# if (LZO_UINT_MAX <= UINT_MAX) -# define __LZO_MMODEL -# elif defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define __LZO_MMODEL __huge -# define LZO_999_UNSUPPORTED -# elif defined(__LZO_PALMOS16) || defined(__LZO_TOS16) -# define __LZO_MMODEL -# else -# error "__LZO_MMODEL" -# endif -#endif - -/* no typedef here because of const-pointer issues */ -#define lzo_byte unsigned char __LZO_MMODEL -#define lzo_bytep unsigned char __LZO_MMODEL * -#define lzo_charp char __LZO_MMODEL * -#define lzo_voidp void __LZO_MMODEL * -#define lzo_shortp short __LZO_MMODEL * -#define lzo_ushortp unsigned short __LZO_MMODEL * -#define lzo_uint32p lzo_uint32 __LZO_MMODEL * -#define lzo_int32p lzo_int32 __LZO_MMODEL * -#define lzo_uintp lzo_uint __LZO_MMODEL * -#define lzo_intp lzo_int __LZO_MMODEL * -#define lzo_voidpp lzo_voidp __LZO_MMODEL * -#define lzo_bytepp lzo_bytep __LZO_MMODEL * - -#ifndef lzo_sizeof_dict_t -# define lzo_sizeof_dict_t sizeof(lzo_bytep) -#endif - - -/*********************************************************************** -// calling conventions and function types -************************************************************************/ - -/* linkage */ -#if !defined(__LZO_EXTERN_C) -# ifdef __cplusplus -# define __LZO_EXTERN_C extern "C" -# else -# define __LZO_EXTERN_C extern -# endif -#endif - -/* calling convention */ -#if !defined(__LZO_CDECL) -# if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define __LZO_CDECL __LZO_CMODEL __cdecl -# elif defined(__LZO_i386) && defined(_MSC_VER) -# define __LZO_CDECL __LZO_CMODEL __cdecl -# elif defined(__LZO_i386) && defined(__WATCOMC__) -# define __LZO_CDECL __LZO_CMODEL __cdecl -# else -# define __LZO_CDECL __LZO_CMODEL -# endif -#endif -#if !defined(__LZO_ENTRY) -# define __LZO_ENTRY __LZO_CDECL -#endif - -/* C++ exception specification for extern "C" function types */ -#if !defined(__cplusplus) -# undef LZO_NOTHROW -# define LZO_NOTHROW -#elif !defined(LZO_NOTHROW) -# define LZO_NOTHROW -#endif - - -typedef int -(__LZO_ENTRY *lzo_compress_t) ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -typedef int -(__LZO_ENTRY *lzo_decompress_t) ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -typedef int -(__LZO_ENTRY *lzo_optimize_t) ( lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -typedef int -(__LZO_ENTRY *lzo_compress_dict_t)(const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem, - const lzo_byte *dict, lzo_uint dict_len ); - -typedef int -(__LZO_ENTRY *lzo_decompress_dict_t)(const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem, - const lzo_byte *dict, lzo_uint dict_len ); - - -/* assembler versions always use __cdecl */ -typedef int -(__LZO_CDECL *lzo_compress_asm_t)( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -typedef int -(__LZO_CDECL *lzo_decompress_asm_t)( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - - -/* a progress indicator callback function */ -typedef void (__LZO_ENTRY *lzo_progress_callback_t) (lzo_uint, lzo_uint); - - -/*********************************************************************** -// export information -************************************************************************/ - -/* DLL export information */ -#if !defined(__LZO_EXPORT1) -# define __LZO_EXPORT1 -#endif -#if !defined(__LZO_EXPORT2) -# define __LZO_EXPORT2 -#endif - -/* exported calling convention for C functions */ -#if !defined(LZO_PUBLIC) -# define LZO_PUBLIC(_rettype) \ - __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_ENTRY -#endif -#if !defined(LZO_EXTERN) -# define LZO_EXTERN(_rettype) __LZO_EXTERN_C LZO_PUBLIC(_rettype) -#endif -#if !defined(LZO_PRIVATE) -# define LZO_PRIVATE(_rettype) static _rettype __LZO_ENTRY -#endif - -/* exported __cdecl calling convention for assembler functions */ -#if !defined(LZO_PUBLIC_CDECL) -# define LZO_PUBLIC_CDECL(_rettype) \ - __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_CDECL -#endif -#if !defined(LZO_EXTERN_CDECL) -# define LZO_EXTERN_CDECL(_rettype) __LZO_EXTERN_C LZO_PUBLIC_CDECL(_rettype) -#endif - -/* exported global variables (LZO currently uses no static variables and - * is fully thread safe) */ -#if !defined(LZO_PUBLIC_VAR) -# define LZO_PUBLIC_VAR(_type) \ - __LZO_EXPORT1 _type __LZO_EXPORT2 __LZO_DMODEL -#endif -#if !defined(LZO_EXTERN_VAR) -# define LZO_EXTERN_VAR(_type) extern LZO_PUBLIC_VAR(_type) -#endif - - -/*********************************************************************** -// error codes and prototypes -************************************************************************/ - -/* Error codes for the compression/decompression functions. Negative - * values are errors, positive values will be used for special but - * normal events. - */ -#define LZO_E_OK 0 -#define LZO_E_ERROR (-1) -#define LZO_E_OUT_OF_MEMORY (-2) /* not used right now */ -#define LZO_E_NOT_COMPRESSIBLE (-3) /* not used right now */ -#define LZO_E_INPUT_OVERRUN (-4) -#define LZO_E_OUTPUT_OVERRUN (-5) -#define LZO_E_LOOKBEHIND_OVERRUN (-6) -#define LZO_E_EOF_NOT_FOUND (-7) -#define LZO_E_INPUT_NOT_CONSUMED (-8) - - -/* lzo_init() should be the first function you call. - * Check the return code ! - * - * lzo_init() is a macro to allow checking that the library and the - * compiler's view of various types are consistent. - */ -#define lzo_init() __lzo_init2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\ - (int)sizeof(long),(int)sizeof(lzo_uint32),(int)sizeof(lzo_uint),\ - (int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\ - (int)sizeof(lzo_compress_t)) -LZO_EXTERN(int) __lzo_init2(unsigned,int,int,int,int,int,int,int,int,int); - -/* version functions (useful for shared libraries) */ -LZO_EXTERN(unsigned) lzo_version(void); -LZO_EXTERN(const char *) lzo_version_string(void); -LZO_EXTERN(const char *) lzo_version_date(void); -LZO_EXTERN(const lzo_charp) _lzo_version_string(void); -LZO_EXTERN(const lzo_charp) _lzo_version_date(void); - -/* string functions */ -LZO_EXTERN(int) -lzo_memcmp(const lzo_voidp _s1, const lzo_voidp _s2, lzo_uint _len); -LZO_EXTERN(lzo_voidp) -lzo_memcpy(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len); -LZO_EXTERN(lzo_voidp) -lzo_memmove(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len); -LZO_EXTERN(lzo_voidp) -lzo_memset(lzo_voidp _s, int _c, lzo_uint _len); - -/* checksum functions */ -LZO_EXTERN(lzo_uint32) -lzo_adler32(lzo_uint32 _adler, const lzo_byte *_buf, lzo_uint _len); -LZO_EXTERN(lzo_uint32) -lzo_crc32(lzo_uint32 _c, const lzo_byte *_buf, lzo_uint _len); - -/* misc. */ -LZO_EXTERN(lzo_bool) lzo_assert(int _expr); -LZO_EXTERN(int) _lzo_config_check(void); -typedef union { lzo_bytep p; lzo_uint u; } __lzo_pu_u; -typedef union { lzo_bytep p; lzo_uint32 u32; } __lzo_pu32_u; -typedef union { void *vp; lzo_bytep bp; lzo_uint32 u32; long l; } lzo_align_t; - -/* align a char pointer on a boundary that is a multiple of `size' */ -LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp _ptr, lzo_uint _size); -#define LZO_PTR_ALIGN_UP(_ptr,_size) \ - ((_ptr) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(_ptr),(lzo_uint)(_size))) - -/* deprecated - only for backward compatibility */ -#define LZO_ALIGN(_ptr,_size) LZO_PTR_ALIGN_UP(_ptr,_size) - - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif /* already included */ - +/* lzoconf.h -- configuration for the LZO real-time data compression library + + This file is part of the LZO real-time data compression library. + + Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + All Rights Reserved. + + The LZO library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of + the License, or (at your option) any later version. + + The LZO library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with the LZO library; see the file COPYING. + If not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Markus F.X.J. Oberhumer + + http://www.oberhumer.com/opensource/lzo/ + */ + + +#ifndef __LZOCONF_H +#define __LZOCONF_H + +#define LZO_VERSION 0x1080 +#define LZO_VERSION_STRING "1.08" +#define LZO_VERSION_DATE "Jul 12 2002" + +/* internal Autoconf configuration file - only used when building LZO */ +#if defined(LZO_HAVE_CONFIG_H) +# include +#endif +#include + +#ifdef __cplusplus +extern "C" { +#endif + + +/*********************************************************************** +// LZO requires a conforming +************************************************************************/ + +#if !defined(CHAR_BIT) || (CHAR_BIT != 8) +# error "invalid CHAR_BIT" +#endif +#if !defined(UCHAR_MAX) || !defined(UINT_MAX) || !defined(ULONG_MAX) +# error "check your compiler installation" +#endif +#if (USHRT_MAX < 1) || (UINT_MAX < 1) || (ULONG_MAX < 1) +# error "your limits.h macros are broken" +#endif + +/* workaround a cpp bug under hpux 10.20 */ +#define LZO_0xffffffffL 4294967295ul + +#if !defined(LZO_UINT32_C) +# if (UINT_MAX < LZO_0xffffffffL) +# define LZO_UINT32_C(c) c ## UL +# else +# define LZO_UINT32_C(c) c ## U +# endif +#endif + + +/*********************************************************************** +// architecture defines +************************************************************************/ + +#if !defined(__LZO_WIN) && !defined(__LZO_DOS) && !defined(__LZO_OS2) +# if defined(__WINDOWS__) || defined(_WINDOWS) || defined(_Windows) +# define __LZO_WIN +# elif defined(__WIN32__) || defined(_WIN32) || defined(WIN32) +# define __LZO_WIN +# elif defined(__NT__) || defined(__NT_DLL__) || defined(__WINDOWS_386__) +# define __LZO_WIN +# elif defined(__DOS__) || defined(__MSDOS__) || defined(MSDOS) +# define __LZO_DOS +# elif defined(__OS2__) || defined(__OS2V2__) || defined(OS2) +# define __LZO_OS2 +# elif defined(__palmos__) +# define __LZO_PALMOS +# elif defined(__TOS__) || defined(__atarist__) +# define __LZO_TOS +# endif +#endif + +#if (UINT_MAX < LZO_0xffffffffL) +# if defined(__LZO_WIN) +# define __LZO_WIN16 +# elif defined(__LZO_DOS) +# define __LZO_DOS16 +# elif defined(__LZO_PALMOS) +# define __LZO_PALMOS16 +# elif defined(__LZO_TOS) +# define __LZO_TOS16 +# elif defined(__C166__) +# else + /* porting hint: for pure 16-bit architectures try compiling + * everything with -D__LZO_STRICT_16BIT */ +# error "16-bit target not supported - contact me for porting hints" +# endif +#endif + +#if !defined(__LZO_i386) +# if defined(__LZO_DOS) || defined(__LZO_WIN16) +# define __LZO_i386 +# elif defined(__i386__) || defined(__386__) || defined(_M_IX86) +# define __LZO_i386 +# endif +#endif + +#if defined(__LZO_STRICT_16BIT) +# if (UINT_MAX < LZO_0xffffffffL) +# include +# endif +#endif + +/* memory checkers */ +#if !defined(__LZO_CHECKER) +# if defined(__BOUNDS_CHECKING_ON) +# define __LZO_CHECKER +# elif defined(__CHECKER__) +# define __LZO_CHECKER +# elif defined(__INSURE__) +# define __LZO_CHECKER +# elif defined(__PURIFY__) +# define __LZO_CHECKER +# endif +#endif + + +/*********************************************************************** +// integral and pointer types +************************************************************************/ + +/* Integral types with 32 bits or more */ +#if !defined(LZO_UINT32_MAX) +# if (UINT_MAX >= LZO_0xffffffffL) + typedef unsigned int lzo_uint32; + typedef int lzo_int32; +# define LZO_UINT32_MAX UINT_MAX +# define LZO_INT32_MAX INT_MAX +# define LZO_INT32_MIN INT_MIN +# elif (ULONG_MAX >= LZO_0xffffffffL) + typedef unsigned long lzo_uint32; + typedef long lzo_int32; +# define LZO_UINT32_MAX ULONG_MAX +# define LZO_INT32_MAX LONG_MAX +# define LZO_INT32_MIN LONG_MIN +# else +# error "lzo_uint32" +# endif +#endif + +/* lzo_uint is used like size_t */ +#if !defined(LZO_UINT_MAX) +# if (UINT_MAX >= LZO_0xffffffffL) + typedef unsigned int lzo_uint; + typedef int lzo_int; +# define LZO_UINT_MAX UINT_MAX +# define LZO_INT_MAX INT_MAX +# define LZO_INT_MIN INT_MIN +# elif (ULONG_MAX >= LZO_0xffffffffL) + typedef unsigned long lzo_uint; + typedef long lzo_int; +# define LZO_UINT_MAX ULONG_MAX +# define LZO_INT_MAX LONG_MAX +# define LZO_INT_MIN LONG_MIN +# else +# error "lzo_uint" +# endif +#endif + +typedef int lzo_bool; + + +/*********************************************************************** +// memory models +************************************************************************/ + +/* Memory model for the public code segment. */ +#if !defined(__LZO_CMODEL) +# if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define __LZO_CMODEL __far +# elif defined(__LZO_i386) && defined(__WATCOMC__) +# define __LZO_CMODEL __near +# else +# define __LZO_CMODEL +# endif +#endif + +/* Memory model for the public data segment. */ +#if !defined(__LZO_DMODEL) +# if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define __LZO_DMODEL __far +# elif defined(__LZO_i386) && defined(__WATCOMC__) +# define __LZO_DMODEL __near +# else +# define __LZO_DMODEL +# endif +#endif + +/* Memory model that allows to access memory at offsets of lzo_uint. */ +#if !defined(__LZO_MMODEL) +# if (LZO_UINT_MAX <= UINT_MAX) +# define __LZO_MMODEL +# elif defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define __LZO_MMODEL __huge +# define LZO_999_UNSUPPORTED +# elif defined(__LZO_PALMOS16) || defined(__LZO_TOS16) +# define __LZO_MMODEL +# else +# error "__LZO_MMODEL" +# endif +#endif + +/* no typedef here because of const-pointer issues */ +#define lzo_byte unsigned char __LZO_MMODEL +#define lzo_bytep unsigned char __LZO_MMODEL * +#define lzo_charp char __LZO_MMODEL * +#define lzo_voidp void __LZO_MMODEL * +#define lzo_shortp short __LZO_MMODEL * +#define lzo_ushortp unsigned short __LZO_MMODEL * +#define lzo_uint32p lzo_uint32 __LZO_MMODEL * +#define lzo_int32p lzo_int32 __LZO_MMODEL * +#define lzo_uintp lzo_uint __LZO_MMODEL * +#define lzo_intp lzo_int __LZO_MMODEL * +#define lzo_voidpp lzo_voidp __LZO_MMODEL * +#define lzo_bytepp lzo_bytep __LZO_MMODEL * + +#ifndef lzo_sizeof_dict_t +# define lzo_sizeof_dict_t sizeof(lzo_bytep) +#endif + + +/*********************************************************************** +// calling conventions and function types +************************************************************************/ + +/* linkage */ +#if !defined(__LZO_EXTERN_C) +# ifdef __cplusplus +# define __LZO_EXTERN_C extern "C" +# else +# define __LZO_EXTERN_C extern +# endif +#endif + +/* calling convention */ +#if !defined(__LZO_CDECL) +# if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define __LZO_CDECL __LZO_CMODEL __cdecl +# elif defined(__LZO_i386) && defined(_MSC_VER) +# define __LZO_CDECL __LZO_CMODEL __cdecl +# elif defined(__LZO_i386) && defined(__WATCOMC__) +# define __LZO_CDECL __LZO_CMODEL __cdecl +# else +# define __LZO_CDECL __LZO_CMODEL +# endif +#endif +#if !defined(__LZO_ENTRY) +# define __LZO_ENTRY __LZO_CDECL +#endif + +/* C++ exception specification for extern "C" function types */ +#if !defined(__cplusplus) +# undef LZO_NOTHROW +# define LZO_NOTHROW +#elif !defined(LZO_NOTHROW) +# define LZO_NOTHROW +#endif + + +typedef int +(__LZO_ENTRY *lzo_compress_t) ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +typedef int +(__LZO_ENTRY *lzo_decompress_t) ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +typedef int +(__LZO_ENTRY *lzo_optimize_t) ( lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +typedef int +(__LZO_ENTRY *lzo_compress_dict_t)(const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem, + const lzo_byte *dict, lzo_uint dict_len ); + +typedef int +(__LZO_ENTRY *lzo_decompress_dict_t)(const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem, + const lzo_byte *dict, lzo_uint dict_len ); + + +/* assembler versions always use __cdecl */ +typedef int +(__LZO_CDECL *lzo_compress_asm_t)( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +typedef int +(__LZO_CDECL *lzo_decompress_asm_t)( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + + +/* a progress indicator callback function */ +typedef void (__LZO_ENTRY *lzo_progress_callback_t) (lzo_uint, lzo_uint); + + +/*********************************************************************** +// export information +************************************************************************/ + +/* DLL export information */ +#if !defined(__LZO_EXPORT1) +# define __LZO_EXPORT1 +#endif +#if !defined(__LZO_EXPORT2) +# define __LZO_EXPORT2 +#endif + +/* exported calling convention for C functions */ +#if !defined(LZO_PUBLIC) +# define LZO_PUBLIC(_rettype) \ + __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_ENTRY +#endif +#if !defined(LZO_EXTERN) +# define LZO_EXTERN(_rettype) __LZO_EXTERN_C LZO_PUBLIC(_rettype) +#endif +#if !defined(LZO_PRIVATE) +# define LZO_PRIVATE(_rettype) static _rettype __LZO_ENTRY +#endif + +/* exported __cdecl calling convention for assembler functions */ +#if !defined(LZO_PUBLIC_CDECL) +# define LZO_PUBLIC_CDECL(_rettype) \ + __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_CDECL +#endif +#if !defined(LZO_EXTERN_CDECL) +# define LZO_EXTERN_CDECL(_rettype) __LZO_EXTERN_C LZO_PUBLIC_CDECL(_rettype) +#endif + +/* exported global variables (LZO currently uses no static variables and + * is fully thread safe) */ +#if !defined(LZO_PUBLIC_VAR) +# define LZO_PUBLIC_VAR(_type) \ + __LZO_EXPORT1 _type __LZO_EXPORT2 __LZO_DMODEL +#endif +#if !defined(LZO_EXTERN_VAR) +# define LZO_EXTERN_VAR(_type) extern LZO_PUBLIC_VAR(_type) +#endif + + +/*********************************************************************** +// error codes and prototypes +************************************************************************/ + +/* Error codes for the compression/decompression functions. Negative + * values are errors, positive values will be used for special but + * normal events. + */ +#define LZO_E_OK 0 +#define LZO_E_ERROR (-1) +#define LZO_E_OUT_OF_MEMORY (-2) /* not used right now */ +#define LZO_E_NOT_COMPRESSIBLE (-3) /* not used right now */ +#define LZO_E_INPUT_OVERRUN (-4) +#define LZO_E_OUTPUT_OVERRUN (-5) +#define LZO_E_LOOKBEHIND_OVERRUN (-6) +#define LZO_E_EOF_NOT_FOUND (-7) +#define LZO_E_INPUT_NOT_CONSUMED (-8) + + +/* lzo_init() should be the first function you call. + * Check the return code ! + * + * lzo_init() is a macro to allow checking that the library and the + * compiler's view of various types are consistent. + */ +#define lzo_init() __lzo_init2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\ + (int)sizeof(long),(int)sizeof(lzo_uint32),(int)sizeof(lzo_uint),\ + (int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\ + (int)sizeof(lzo_compress_t)) +LZO_EXTERN(int) __lzo_init2(unsigned,int,int,int,int,int,int,int,int,int); + +/* version functions (useful for shared libraries) */ +LZO_EXTERN(unsigned) lzo_version(void); +LZO_EXTERN(const char *) lzo_version_string(void); +LZO_EXTERN(const char *) lzo_version_date(void); +LZO_EXTERN(const lzo_charp) _lzo_version_string(void); +LZO_EXTERN(const lzo_charp) _lzo_version_date(void); + +/* string functions */ +LZO_EXTERN(int) +lzo_memcmp(const lzo_voidp _s1, const lzo_voidp _s2, lzo_uint _len); +LZO_EXTERN(lzo_voidp) +lzo_memcpy(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len); +LZO_EXTERN(lzo_voidp) +lzo_memmove(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len); +LZO_EXTERN(lzo_voidp) +lzo_memset(lzo_voidp _s, int _c, lzo_uint _len); + +/* checksum functions */ +LZO_EXTERN(lzo_uint32) +lzo_adler32(lzo_uint32 _adler, const lzo_byte *_buf, lzo_uint _len); +LZO_EXTERN(lzo_uint32) +lzo_crc32(lzo_uint32 _c, const lzo_byte *_buf, lzo_uint _len); + +/* misc. */ +LZO_EXTERN(lzo_bool) lzo_assert(int _expr); +LZO_EXTERN(int) _lzo_config_check(void); +typedef union { lzo_bytep p; lzo_uint u; } __lzo_pu_u; +typedef union { lzo_bytep p; lzo_uint32 u32; } __lzo_pu32_u; +typedef union { void *vp; lzo_bytep bp; lzo_uint32 u32; long l; } lzo_align_t; + +/* align a char pointer on a boundary that is a multiple of `size' */ +LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp _ptr, lzo_uint _size); +#define LZO_PTR_ALIGN_UP(_ptr,_size) \ + ((_ptr) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(_ptr),(lzo_uint)(_size))) + +/* deprecated - only for backward compatibility */ +#define LZO_ALIGN(_ptr,_size) LZO_PTR_ALIGN_UP(_ptr,_size) + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* already included */ + diff --git a/libvncserver/minilzo.c b/libvncserver/minilzo.c index 8419b8b..85771eb 100644 --- a/libvncserver/minilzo.c +++ b/libvncserver/minilzo.c @@ -1,2935 +1,2935 @@ -/* minilzo.c -- mini subset of the LZO real-time data compression library - - This file is part of the LZO real-time data compression library. - - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer - All Rights Reserved. - - The LZO library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - - The LZO library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the LZO library; see the file COPYING. - If not, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - Markus F.X.J. Oberhumer - - http://www.oberhumer.com/opensource/lzo/ - */ - -/* - * NOTE: - * the full LZO package can be found at - * http://www.oberhumer.com/opensource/lzo/ - */ - -#define __LZO_IN_MINILZO -#define LZO_BUILD - -#ifdef MINILZO_HAVE_CONFIG_H -# include -#endif - -#undef LZO_HAVE_CONFIG_H -#include "minilzo.h" - -#if !defined(MINILZO_VERSION) || (MINILZO_VERSION != 0x1080) -# error "version mismatch in miniLZO source files" -#endif - -#ifdef MINILZO_HAVE_CONFIG_H -# define LZO_HAVE_CONFIG_H -#endif - -#if !defined(LZO_NO_SYS_TYPES_H) -# include -#endif -#include - -#ifndef __LZO_CONF_H -#define __LZO_CONF_H - -#if !defined(__LZO_IN_MINILZO) -# ifndef __LZOCONF_H -# include -# endif -#endif - -#if defined(__BOUNDS_CHECKING_ON) -# include -#else -# define BOUNDS_CHECKING_OFF_DURING(stmt) stmt -# define BOUNDS_CHECKING_OFF_IN_EXPR(expr) (expr) -#endif - -#if !defined(LZO_HAVE_CONFIG_H) -# include -# include -# if !defined(NO_STDLIB_H) -# include -# endif -# define HAVE_MEMCMP -# define HAVE_MEMCPY -# define HAVE_MEMMOVE -# define HAVE_MEMSET -#else -# include -# if defined(HAVE_STDDEF_H) -# include -# endif -# if defined(STDC_HEADERS) -# include -# include -# endif -#endif - -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# define HAVE_MALLOC_H -# define HAVE_HALLOC -#endif - -#undef NDEBUG -#if !defined(LZO_DEBUG) -# define NDEBUG -#endif -#if defined(LZO_DEBUG) || !defined(NDEBUG) -# if !defined(NO_STDIO_H) -# include -# endif -#endif -#include - -#if !defined(LZO_COMPILE_TIME_ASSERT) -# define LZO_COMPILE_TIME_ASSERT(expr) \ - { typedef int __lzo_compile_time_assert_fail[1 - 2 * !(expr)]; } -#endif - -#if !defined(LZO_UNUSED) -# if 1 -# define LZO_UNUSED(var) ((void)&var) -# elif 0 -# define LZO_UNUSED(var) { typedef int __lzo_unused[sizeof(var) ? 2 : 1]; } -# else -# define LZO_UNUSED(parm) (parm = parm) -# endif -#endif - -#if !defined(__inline__) && !defined(__GNUC__) -# if defined(__cplusplus) -# define __inline__ inline -# else -# define __inline__ -# endif -#endif - -#if defined(NO_MEMCMP) -# undef HAVE_MEMCMP -#endif - -#if !defined(HAVE_MEMCMP) -# undef memcmp -# define memcmp lzo_memcmp -#endif -#if !defined(HAVE_MEMCPY) -# undef memcpy -# define memcpy lzo_memcpy -#endif -#if !defined(HAVE_MEMMOVE) -# undef memmove -# define memmove lzo_memmove -#endif -#if !defined(HAVE_MEMSET) -# undef memset -# define memset lzo_memset -#endif - -#if 0 -# define LZO_BYTE(x) ((unsigned char) (x)) -#else -# define LZO_BYTE(x) ((unsigned char) ((x) & 0xff)) -#endif - -#define LZO_MAX(a,b) ((a) >= (b) ? (a) : (b)) -#define LZO_MIN(a,b) ((a) <= (b) ? (a) : (b)) -#define LZO_MAX3(a,b,c) ((a) >= (b) ? LZO_MAX(a,c) : LZO_MAX(b,c)) -#define LZO_MIN3(a,b,c) ((a) <= (b) ? LZO_MIN(a,c) : LZO_MIN(b,c)) - -#define lzo_sizeof(type) ((lzo_uint) (sizeof(type))) - -#define LZO_HIGH(array) ((lzo_uint) (sizeof(array)/sizeof(*(array)))) - -#define LZO_SIZE(bits) (1u << (bits)) -#define LZO_MASK(bits) (LZO_SIZE(bits) - 1) - -#define LZO_LSIZE(bits) (1ul << (bits)) -#define LZO_LMASK(bits) (LZO_LSIZE(bits) - 1) - -#define LZO_USIZE(bits) ((lzo_uint) 1 << (bits)) -#define LZO_UMASK(bits) (LZO_USIZE(bits) - 1) - -#define LZO_STYPE_MAX(b) (((1l << (8*(b)-2)) - 1l) + (1l << (8*(b)-2))) -#define LZO_UTYPE_MAX(b) (((1ul << (8*(b)-1)) - 1ul) + (1ul << (8*(b)-1))) - -#if !defined(SIZEOF_UNSIGNED) -# if (UINT_MAX == 0xffff) -# define SIZEOF_UNSIGNED 2 -# elif (UINT_MAX == LZO_0xffffffffL) -# define SIZEOF_UNSIGNED 4 -# elif (UINT_MAX >= LZO_0xffffffffL) -# define SIZEOF_UNSIGNED 8 -# else -# error "SIZEOF_UNSIGNED" -# endif -#endif - -#if !defined(SIZEOF_UNSIGNED_LONG) -# if (ULONG_MAX == LZO_0xffffffffL) -# define SIZEOF_UNSIGNED_LONG 4 -# elif (ULONG_MAX >= LZO_0xffffffffL) -# define SIZEOF_UNSIGNED_LONG 8 -# else -# error "SIZEOF_UNSIGNED_LONG" -# endif -#endif - -#if !defined(SIZEOF_SIZE_T) -# define SIZEOF_SIZE_T SIZEOF_UNSIGNED -#endif -#if !defined(SIZE_T_MAX) -# define SIZE_T_MAX LZO_UTYPE_MAX(SIZEOF_SIZE_T) -#endif - -#if 1 && defined(__LZO_i386) && (UINT_MAX == LZO_0xffffffffL) -# if !defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX == 0xffff) -# define LZO_UNALIGNED_OK_2 -# endif -# if !defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX == LZO_0xffffffffL) -# define LZO_UNALIGNED_OK_4 -# endif -#endif - -#if defined(LZO_UNALIGNED_OK_2) || defined(LZO_UNALIGNED_OK_4) -# if !defined(LZO_UNALIGNED_OK) -# define LZO_UNALIGNED_OK -# endif -#endif - -#if defined(__LZO_NO_UNALIGNED) -# undef LZO_UNALIGNED_OK -# undef LZO_UNALIGNED_OK_2 -# undef LZO_UNALIGNED_OK_4 -#endif - -#if defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX != 0xffff) -# error "LZO_UNALIGNED_OK_2 must not be defined on this system" -#endif -#if defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL) -# error "LZO_UNALIGNED_OK_4 must not be defined on this system" -#endif - -#if defined(__LZO_NO_ALIGNED) -# undef LZO_ALIGNED_OK_4 -#endif - -#if defined(LZO_ALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL) -# error "LZO_ALIGNED_OK_4 must not be defined on this system" -#endif - -#define LZO_LITTLE_ENDIAN 1234 -#define LZO_BIG_ENDIAN 4321 -#define LZO_PDP_ENDIAN 3412 - -#if !defined(LZO_BYTE_ORDER) -# if defined(MFX_BYTE_ORDER) -# define LZO_BYTE_ORDER MFX_BYTE_ORDER -# elif defined(__LZO_i386) -# define LZO_BYTE_ORDER LZO_LITTLE_ENDIAN -# elif defined(BYTE_ORDER) -# define LZO_BYTE_ORDER BYTE_ORDER -# elif defined(__BYTE_ORDER) -# define LZO_BYTE_ORDER __BYTE_ORDER -# endif -#endif - -#if defined(LZO_BYTE_ORDER) -# if (LZO_BYTE_ORDER != LZO_LITTLE_ENDIAN) && \ - (LZO_BYTE_ORDER != LZO_BIG_ENDIAN) -# error "invalid LZO_BYTE_ORDER" -# endif -#endif - -#if defined(LZO_UNALIGNED_OK) && !defined(LZO_BYTE_ORDER) -# error "LZO_BYTE_ORDER is not defined" -#endif - -#define LZO_OPTIMIZE_GNUC_i386_IS_BUGGY - -#if defined(NDEBUG) && !defined(LZO_DEBUG) && !defined(__LZO_CHECKER) -# if defined(__GNUC__) && defined(__i386__) -# if !defined(LZO_OPTIMIZE_GNUC_i386_IS_BUGGY) -# define LZO_OPTIMIZE_GNUC_i386 -# endif -# endif -#endif - -__LZO_EXTERN_C int __lzo_init_done; -__LZO_EXTERN_C const lzo_byte __lzo_copyright[]; -LZO_EXTERN(const lzo_byte *) lzo_copyright(void); -__LZO_EXTERN_C const lzo_uint32 _lzo_crc32_table[256]; - -#define _LZO_STRINGIZE(x) #x -#define _LZO_MEXPAND(x) _LZO_STRINGIZE(x) - -#define _LZO_CONCAT2(a,b) a ## b -#define _LZO_CONCAT3(a,b,c) a ## b ## c -#define _LZO_CONCAT4(a,b,c,d) a ## b ## c ## d -#define _LZO_CONCAT5(a,b,c,d,e) a ## b ## c ## d ## e - -#define _LZO_ECONCAT2(a,b) _LZO_CONCAT2(a,b) -#define _LZO_ECONCAT3(a,b,c) _LZO_CONCAT3(a,b,c) -#define _LZO_ECONCAT4(a,b,c,d) _LZO_CONCAT4(a,b,c,d) -#define _LZO_ECONCAT5(a,b,c,d,e) _LZO_CONCAT5(a,b,c,d,e) - -#if 0 - -#define __LZO_IS_COMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) -#define __LZO_QUERY_COMPRESS(i,il,o,ol,w,n,s) \ - (*ol = (n)*(s), LZO_E_OK) - -#define __LZO_IS_DECOMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) -#define __LZO_QUERY_DECOMPRESS(i,il,o,ol,w,n,s) \ - (*ol = (n)*(s), LZO_E_OK) - -#define __LZO_IS_OPTIMIZE_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) -#define __LZO_QUERY_OPTIMIZE(i,il,o,ol,w,n,s) \ - (*ol = (n)*(s), LZO_E_OK) - -#endif - -#ifndef __LZO_PTR_H -#define __LZO_PTR_H - -#ifdef __cplusplus -extern "C" { -#endif - -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) -# include -# if 1 && defined(__WATCOMC__) -# include - __LZO_EXTERN_C unsigned char _HShift; -# define __LZO_HShift _HShift -# elif 1 && defined(_MSC_VER) - __LZO_EXTERN_C unsigned short __near _AHSHIFT; -# define __LZO_HShift ((unsigned) &_AHSHIFT) -# elif defined(__LZO_WIN16) -# define __LZO_HShift 3 -# else -# define __LZO_HShift 12 -# endif -# if !defined(_FP_SEG) && defined(FP_SEG) -# define _FP_SEG FP_SEG -# endif -# if !defined(_FP_OFF) && defined(FP_OFF) -# define _FP_OFF FP_OFF -# endif -#endif - -#if !defined(lzo_ptrdiff_t) -# if (UINT_MAX >= LZO_0xffffffffL) - typedef ptrdiff_t lzo_ptrdiff_t; -# else - typedef long lzo_ptrdiff_t; -# endif -#endif - -#if !defined(__LZO_HAVE_PTR_T) -# if defined(lzo_ptr_t) -# define __LZO_HAVE_PTR_T -# endif -#endif -#if !defined(__LZO_HAVE_PTR_T) -# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_LONG) -# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_LONG) - typedef unsigned long lzo_ptr_t; - typedef long lzo_sptr_t; -# define __LZO_HAVE_PTR_T -# endif -# endif -#endif -#if !defined(__LZO_HAVE_PTR_T) -# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED) -# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED) - typedef unsigned int lzo_ptr_t; - typedef int lzo_sptr_t; -# define __LZO_HAVE_PTR_T -# endif -# endif -#endif -#if !defined(__LZO_HAVE_PTR_T) -# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_SHORT) -# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_SHORT) - typedef unsigned short lzo_ptr_t; - typedef short lzo_sptr_t; -# define __LZO_HAVE_PTR_T -# endif -# endif -#endif -#if !defined(__LZO_HAVE_PTR_T) -# if defined(LZO_HAVE_CONFIG_H) || defined(SIZEOF_CHAR_P) -# error "no suitable type for lzo_ptr_t" -# else - typedef unsigned long lzo_ptr_t; - typedef long lzo_sptr_t; -# define __LZO_HAVE_PTR_T -# endif -#endif - -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) -#define PTR(a) ((lzo_bytep) (a)) -#define PTR_ALIGNED_4(a) ((_FP_OFF(a) & 3) == 0) -#define PTR_ALIGNED2_4(a,b) (((_FP_OFF(a) | _FP_OFF(b)) & 3) == 0) -#else -#define PTR(a) ((lzo_ptr_t) (a)) -#define PTR_LINEAR(a) PTR(a) -#define PTR_ALIGNED_4(a) ((PTR_LINEAR(a) & 3) == 0) -#define PTR_ALIGNED_8(a) ((PTR_LINEAR(a) & 7) == 0) -#define PTR_ALIGNED2_4(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 3) == 0) -#define PTR_ALIGNED2_8(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 7) == 0) -#endif - -#define PTR_LT(a,b) (PTR(a) < PTR(b)) -#define PTR_GE(a,b) (PTR(a) >= PTR(b)) -#define PTR_DIFF(a,b) ((lzo_ptrdiff_t) (PTR(a) - PTR(b))) -#define pd(a,b) ((lzo_uint) ((a)-(b))) - -LZO_EXTERN(lzo_ptr_t) -__lzo_ptr_linear(const lzo_voidp ptr); - -typedef union -{ - char a_char; - unsigned char a_uchar; - short a_short; - unsigned short a_ushort; - int a_int; - unsigned int a_uint; - long a_long; - unsigned long a_ulong; - lzo_int a_lzo_int; - lzo_uint a_lzo_uint; - lzo_int32 a_lzo_int32; - lzo_uint32 a_lzo_uint32; - ptrdiff_t a_ptrdiff_t; - lzo_ptrdiff_t a_lzo_ptrdiff_t; - lzo_ptr_t a_lzo_ptr_t; - lzo_voidp a_lzo_voidp; - void * a_void_p; - lzo_bytep a_lzo_bytep; - lzo_bytepp a_lzo_bytepp; - lzo_uintp a_lzo_uintp; - lzo_uint * a_lzo_uint_p; - lzo_uint32p a_lzo_uint32p; - lzo_uint32 * a_lzo_uint32_p; - unsigned char * a_uchar_p; - char * a_char_p; -} -lzo_full_align_t; - -#ifdef __cplusplus -} -#endif - -#endif - -#define LZO_DETERMINISTIC - -#define LZO_DICT_USE_PTR -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) || defined(__LZO_STRICT_16BIT) -# undef LZO_DICT_USE_PTR -#endif - -#if defined(LZO_DICT_USE_PTR) -# define lzo_dict_t const lzo_bytep -# define lzo_dict_p lzo_dict_t __LZO_MMODEL * -#else -# define lzo_dict_t lzo_uint -# define lzo_dict_p lzo_dict_t __LZO_MMODEL * -#endif - -#if !defined(lzo_moff_t) -#define lzo_moff_t lzo_uint -#endif - -#endif - -LZO_PUBLIC(lzo_ptr_t) -__lzo_ptr_linear(const lzo_voidp ptr) -{ - lzo_ptr_t p; - -#if defined(__LZO_DOS16) || defined(__LZO_WIN16) - p = (((lzo_ptr_t)(_FP_SEG(ptr))) << (16 - __LZO_HShift)) + (_FP_OFF(ptr)); -#else - p = PTR_LINEAR(ptr); -#endif - - return p; -} - -LZO_PUBLIC(unsigned) -__lzo_align_gap(const lzo_voidp ptr, lzo_uint size) -{ - lzo_ptr_t p, s, n; - - assert(size > 0); - - p = __lzo_ptr_linear(ptr); - s = (lzo_ptr_t) (size - 1); -#if 0 - assert((size & (size - 1)) == 0); - n = ((p + s) & ~s) - p; -#else - n = (((p + s) / size) * size) - p; -#endif - - assert((long)n >= 0); - assert(n <= s); - - return (unsigned)n; -} - -#ifndef __LZO_UTIL_H -#define __LZO_UTIL_H - -#ifndef __LZO_CONF_H -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -#if 1 && defined(HAVE_MEMCPY) -#if !defined(__LZO_DOS16) && !defined(__LZO_WIN16) - -#define MEMCPY8_DS(dest,src,len) \ - memcpy(dest,src,len); \ - dest += len; \ - src += len - -#endif -#endif - -#if 0 && !defined(MEMCPY8_DS) - -#define MEMCPY8_DS(dest,src,len) \ - { do { \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - len -= 8; \ - } while (len > 0); } - -#endif - -#if !defined(MEMCPY8_DS) - -#define MEMCPY8_DS(dest,src,len) \ - { register lzo_uint __l = (len) / 8; \ - do { \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - *dest++ = *src++; \ - } while (--__l > 0); } - -#endif - -#define MEMCPY_DS(dest,src,len) \ - do *dest++ = *src++; \ - while (--len > 0) - -#define MEMMOVE_DS(dest,src,len) \ - do *dest++ = *src++; \ - while (--len > 0) - -#if 0 && defined(LZO_OPTIMIZE_GNUC_i386) - -#define BZERO8_PTR(s,l,n) \ -__asm__ __volatile__( \ - "movl %0,%%eax \n" \ - "movl %1,%%edi \n" \ - "movl %2,%%ecx \n" \ - "cld \n" \ - "rep \n" \ - "stosl %%eax,(%%edi) \n" \ - : \ - :"g" (0),"g" (s),"g" (n) \ - :"eax","edi","ecx", "memory", "cc" \ -) - -#elif (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET) - -#if 1 -#define BZERO8_PTR(s,l,n) memset((s),0,(lzo_uint)(l)*(n)) -#else -#define BZERO8_PTR(s,l,n) memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) -#endif - -#else - -#define BZERO8_PTR(s,l,n) \ - lzo_memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) - -#endif - -#if 0 -#if defined(__GNUC__) && defined(__i386__) - -unsigned char lzo_rotr8(unsigned char value, int shift); -extern __inline__ unsigned char lzo_rotr8(unsigned char value, int shift) -{ - unsigned char result; - - __asm__ __volatile__ ("movb %b1, %b0; rorb %b2, %b0" - : "=a"(result) : "g"(value), "c"(shift)); - return result; -} - -unsigned short lzo_rotr16(unsigned short value, int shift); -extern __inline__ unsigned short lzo_rotr16(unsigned short value, int shift) -{ - unsigned short result; - - __asm__ __volatile__ ("movw %b1, %b0; rorw %b2, %b0" - : "=a"(result) : "g"(value), "c"(shift)); - return result; -} - -#endif -#endif - -#ifdef __cplusplus -} -#endif - -#endif - -LZO_PUBLIC(lzo_bool) -lzo_assert(int expr) -{ - return (expr) ? 1 : 0; -} - -/* If you use the LZO library in a product, you *must* keep this - * copyright string in the executable of your product. - */ - -const lzo_byte __lzo_copyright[] = -#if !defined(__LZO_IN_MINLZO) - LZO_VERSION_STRING; -#else - "\n\n\n" - "LZO real-time data compression library.\n" - "Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer\n" - "\n" - "http://www.oberhumer.com/opensource/lzo/\n" - "\n" - "LZO version: v" LZO_VERSION_STRING ", " LZO_VERSION_DATE "\n" - "LZO build date: " __DATE__ " " __TIME__ "\n\n" - "LZO special compilation options:\n" -#ifdef __cplusplus - " __cplusplus\n" -#endif -#if defined(__PIC__) - " __PIC__\n" -#elif defined(__pic__) - " __pic__\n" -#endif -#if (UINT_MAX < LZO_0xffffffffL) - " 16BIT\n" -#endif -#if defined(__LZO_STRICT_16BIT) - " __LZO_STRICT_16BIT\n" -#endif -#if (UINT_MAX > LZO_0xffffffffL) - " UINT_MAX=" _LZO_MEXPAND(UINT_MAX) "\n" -#endif -#if (ULONG_MAX > LZO_0xffffffffL) - " ULONG_MAX=" _LZO_MEXPAND(ULONG_MAX) "\n" -#endif -#if defined(LZO_BYTE_ORDER) - " LZO_BYTE_ORDER=" _LZO_MEXPAND(LZO_BYTE_ORDER) "\n" -#endif -#if defined(LZO_UNALIGNED_OK_2) - " LZO_UNALIGNED_OK_2\n" -#endif -#if defined(LZO_UNALIGNED_OK_4) - " LZO_UNALIGNED_OK_4\n" -#endif -#if defined(LZO_ALIGNED_OK_4) - " LZO_ALIGNED_OK_4\n" -#endif -#if defined(LZO_DICT_USE_PTR) - " LZO_DICT_USE_PTR\n" -#endif -#if defined(__LZO_QUERY_COMPRESS) - " __LZO_QUERY_COMPRESS\n" -#endif -#if defined(__LZO_QUERY_DECOMPRESS) - " __LZO_QUERY_DECOMPRESS\n" -#endif -#if defined(__LZO_IN_MINILZO) - " __LZO_IN_MINILZO\n" -#endif - "\n\n" - "$Id: LZO " LZO_VERSION_STRING " built " __DATE__ " " __TIME__ -#if defined(__GNUC__) && defined(__VERSION__) - " by gcc " __VERSION__ -#elif defined(__BORLANDC__) - " by Borland C " _LZO_MEXPAND(__BORLANDC__) -#elif defined(_MSC_VER) - " by Microsoft C " _LZO_MEXPAND(_MSC_VER) -#elif defined(__PUREC__) - " by Pure C " _LZO_MEXPAND(__PUREC__) -#elif defined(__SC__) - " by Symantec C " _LZO_MEXPAND(__SC__) -#elif defined(__TURBOC__) - " by Turbo C " _LZO_MEXPAND(__TURBOC__) -#elif defined(__WATCOMC__) - " by Watcom C " _LZO_MEXPAND(__WATCOMC__) -#endif - " $\n" - "$Copyright: LZO (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer $\n"; -#endif - -LZO_PUBLIC(const lzo_byte *) -lzo_copyright(void) -{ - return __lzo_copyright; -} - -LZO_PUBLIC(unsigned) -lzo_version(void) -{ - return LZO_VERSION; -} - -LZO_PUBLIC(const char *) -lzo_version_string(void) -{ - return LZO_VERSION_STRING; -} - -LZO_PUBLIC(const char *) -lzo_version_date(void) -{ - return LZO_VERSION_DATE; -} - -LZO_PUBLIC(const lzo_charp) -_lzo_version_string(void) -{ - return LZO_VERSION_STRING; -} - -LZO_PUBLIC(const lzo_charp) -_lzo_version_date(void) -{ - return LZO_VERSION_DATE; -} - -#define LZO_BASE 65521u -#define LZO_NMAX 5552 - -#define LZO_DO1(buf,i) {s1 += buf[i]; s2 += s1;} -#define LZO_DO2(buf,i) LZO_DO1(buf,i); LZO_DO1(buf,i+1); -#define LZO_DO4(buf,i) LZO_DO2(buf,i); LZO_DO2(buf,i+2); -#define LZO_DO8(buf,i) LZO_DO4(buf,i); LZO_DO4(buf,i+4); -#define LZO_DO16(buf,i) LZO_DO8(buf,i); LZO_DO8(buf,i+8); - -LZO_PUBLIC(lzo_uint32) -lzo_adler32(lzo_uint32 adler, const lzo_byte *buf, lzo_uint len) -{ - lzo_uint32 s1 = adler & 0xffff; - lzo_uint32 s2 = (adler >> 16) & 0xffff; - int k; - - if (buf == NULL) - return 1; - - while (len > 0) - { - k = len < LZO_NMAX ? (int) len : LZO_NMAX; - len -= k; - if (k >= 16) do - { - LZO_DO16(buf,0); - buf += 16; - k -= 16; - } while (k >= 16); - if (k != 0) do - { - s1 += *buf++; - s2 += s1; - } while (--k > 0); - s1 %= LZO_BASE; - s2 %= LZO_BASE; - } - return (s2 << 16) | s1; -} - -LZO_PUBLIC(int) -lzo_memcmp(const lzo_voidp s1, const lzo_voidp s2, lzo_uint len) -{ -#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCMP) - return memcmp(s1,s2,len); -#else - const lzo_byte *p1 = (const lzo_byte *) s1; - const lzo_byte *p2 = (const lzo_byte *) s2; - int d; - - if (len > 0) do - { - d = *p1 - *p2; - if (d != 0) - return d; - p1++; - p2++; - } - while (--len > 0); - return 0; -#endif -} - -LZO_PUBLIC(lzo_voidp) -lzo_memcpy(lzo_voidp dest, const lzo_voidp src, lzo_uint len) -{ -#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCPY) - return memcpy(dest,src,len); -#else - lzo_byte *p1 = (lzo_byte *) dest; - const lzo_byte *p2 = (const lzo_byte *) src; - - if (len <= 0 || p1 == p2) - return dest; - do - *p1++ = *p2++; - while (--len > 0); - return dest; -#endif -} - -LZO_PUBLIC(lzo_voidp) -lzo_memmove(lzo_voidp dest, const lzo_voidp src, lzo_uint len) -{ -#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMMOVE) - return memmove(dest,src,len); -#else - lzo_byte *p1 = (lzo_byte *) dest; - const lzo_byte *p2 = (const lzo_byte *) src; - - if (len <= 0 || p1 == p2) - return dest; - - if (p1 < p2) - { - do - *p1++ = *p2++; - while (--len > 0); - } - else - { - p1 += len; - p2 += len; - do - *--p1 = *--p2; - while (--len > 0); - } - return dest; -#endif -} - -LZO_PUBLIC(lzo_voidp) -lzo_memset(lzo_voidp s, int c, lzo_uint len) -{ -#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET) - return memset(s,c,len); -#else - lzo_byte *p = (lzo_byte *) s; - - if (len > 0) do - *p++ = LZO_BYTE(c); - while (--len > 0); - return s; -#endif -} - -#if 0 -# define IS_SIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) < 0) -# define IS_UNSIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) > 0) -#else -# define IS_SIGNED(type) (((type) (-1)) < ((type) 0)) -# define IS_UNSIGNED(type) (((type) (-1)) > ((type) 0)) -#endif - -#define IS_POWER_OF_2(x) (((x) & ((x) - 1)) == 0) - -static lzo_bool schedule_insns_bug(void); -static lzo_bool strength_reduce_bug(int *); - -#if 0 || defined(LZO_DEBUG) -#include -static lzo_bool __lzo_assert_fail(const char *s, unsigned line) -{ -#if defined(__palmos__) - printf("LZO assertion failed in line %u: '%s'\n",line,s); -#else - fprintf(stderr,"LZO assertion failed in line %u: '%s'\n",line,s); -#endif - return 0; -} -# define __lzo_assert(x) ((x) ? 1 : __lzo_assert_fail(#x,__LINE__)) -#else -# define __lzo_assert(x) ((x) ? 1 : 0) -#endif - -#undef COMPILE_TIME_ASSERT -#if 0 -# define COMPILE_TIME_ASSERT(expr) r &= __lzo_assert(expr) -#else -# define COMPILE_TIME_ASSERT(expr) LZO_COMPILE_TIME_ASSERT(expr) -#endif - -static lzo_bool basic_integral_check(void) -{ - lzo_bool r = 1; - - COMPILE_TIME_ASSERT(CHAR_BIT == 8); - COMPILE_TIME_ASSERT(sizeof(char) == 1); - COMPILE_TIME_ASSERT(sizeof(short) >= 2); - COMPILE_TIME_ASSERT(sizeof(long) >= 4); - COMPILE_TIME_ASSERT(sizeof(int) >= sizeof(short)); - COMPILE_TIME_ASSERT(sizeof(long) >= sizeof(int)); - - COMPILE_TIME_ASSERT(sizeof(lzo_uint) == sizeof(lzo_int)); - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == sizeof(lzo_int32)); - - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= 4); - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= sizeof(unsigned)); -#if defined(__LZO_STRICT_16BIT) - COMPILE_TIME_ASSERT(sizeof(lzo_uint) == 2); -#else - COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= 4); - COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= sizeof(unsigned)); -#endif - -#if (USHRT_MAX == 65535u) - COMPILE_TIME_ASSERT(sizeof(short) == 2); -#elif (USHRT_MAX == LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(short) == 4); -#elif (USHRT_MAX >= LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(short) > 4); -#endif -#if (UINT_MAX == 65535u) - COMPILE_TIME_ASSERT(sizeof(int) == 2); -#elif (UINT_MAX == LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(int) == 4); -#elif (UINT_MAX >= LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(int) > 4); -#endif -#if (ULONG_MAX == 65535ul) - COMPILE_TIME_ASSERT(sizeof(long) == 2); -#elif (ULONG_MAX == LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(long) == 4); -#elif (ULONG_MAX >= LZO_0xffffffffL) - COMPILE_TIME_ASSERT(sizeof(long) > 4); -#endif - -#if defined(SIZEOF_UNSIGNED) - COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED == sizeof(unsigned)); -#endif -#if defined(SIZEOF_UNSIGNED_LONG) - COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_LONG == sizeof(unsigned long)); -#endif -#if defined(SIZEOF_UNSIGNED_SHORT) - COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_SHORT == sizeof(unsigned short)); -#endif -#if !defined(__LZO_IN_MINILZO) -#if defined(SIZEOF_SIZE_T) - COMPILE_TIME_ASSERT(SIZEOF_SIZE_T == sizeof(size_t)); -#endif -#endif - - COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned char)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned short)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned long)); - COMPILE_TIME_ASSERT(IS_SIGNED(short)); - COMPILE_TIME_ASSERT(IS_SIGNED(int)); - COMPILE_TIME_ASSERT(IS_SIGNED(long)); - - COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint32)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint)); - COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int32)); - COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int)); - - COMPILE_TIME_ASSERT(INT_MAX == LZO_STYPE_MAX(sizeof(int))); - COMPILE_TIME_ASSERT(UINT_MAX == LZO_UTYPE_MAX(sizeof(unsigned))); - COMPILE_TIME_ASSERT(LONG_MAX == LZO_STYPE_MAX(sizeof(long))); - COMPILE_TIME_ASSERT(ULONG_MAX == LZO_UTYPE_MAX(sizeof(unsigned long))); - COMPILE_TIME_ASSERT(SHRT_MAX == LZO_STYPE_MAX(sizeof(short))); - COMPILE_TIME_ASSERT(USHRT_MAX == LZO_UTYPE_MAX(sizeof(unsigned short))); - COMPILE_TIME_ASSERT(LZO_UINT32_MAX == LZO_UTYPE_MAX(sizeof(lzo_uint32))); - COMPILE_TIME_ASSERT(LZO_UINT_MAX == LZO_UTYPE_MAX(sizeof(lzo_uint))); -#if !defined(__LZO_IN_MINILZO) - COMPILE_TIME_ASSERT(SIZE_T_MAX == LZO_UTYPE_MAX(sizeof(size_t))); -#endif - - r &= __lzo_assert(LZO_BYTE(257) == 1); - - return r; -} - -static lzo_bool basic_ptr_check(void) -{ - lzo_bool r = 1; - - COMPILE_TIME_ASSERT(sizeof(char *) >= sizeof(int)); - COMPILE_TIME_ASSERT(sizeof(lzo_byte *) >= sizeof(char *)); - - COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_byte *)); - COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_voidpp)); - COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_bytepp)); - COMPILE_TIME_ASSERT(sizeof(lzo_voidp) >= sizeof(lzo_uint)); - - COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_voidp)); - COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_sptr_t)); - COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) >= sizeof(lzo_uint)); - - COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= 4); - COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(ptrdiff_t)); - - COMPILE_TIME_ASSERT(sizeof(ptrdiff_t) >= sizeof(size_t)); - COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(lzo_uint)); - -#if defined(SIZEOF_CHAR_P) - COMPILE_TIME_ASSERT(SIZEOF_CHAR_P == sizeof(char *)); -#endif -#if defined(SIZEOF_PTRDIFF_T) - COMPILE_TIME_ASSERT(SIZEOF_PTRDIFF_T == sizeof(ptrdiff_t)); -#endif - - COMPILE_TIME_ASSERT(IS_SIGNED(ptrdiff_t)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(size_t)); - COMPILE_TIME_ASSERT(IS_SIGNED(lzo_ptrdiff_t)); - COMPILE_TIME_ASSERT(IS_SIGNED(lzo_sptr_t)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_ptr_t)); - COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_moff_t)); - - return r; -} - -static lzo_bool ptr_check(void) -{ - lzo_bool r = 1; - int i; - char _wrkmem[10 * sizeof(lzo_byte *) + sizeof(lzo_full_align_t)]; - lzo_bytep wrkmem; - lzo_bytepp dict; - unsigned char x[4 * sizeof(lzo_full_align_t)]; - long d; - lzo_full_align_t a; - lzo_full_align_t u; - - for (i = 0; i < (int) sizeof(x); i++) - x[i] = LZO_BYTE(i); - - wrkmem = LZO_PTR_ALIGN_UP((lzo_byte *)_wrkmem,sizeof(lzo_full_align_t)); - -#if 0 - dict = (lzo_bytepp) wrkmem; -#else - - u.a_lzo_bytep = wrkmem; dict = u.a_lzo_bytepp; -#endif - - d = (long) ((const lzo_bytep) dict - (const lzo_bytep) _wrkmem); - r &= __lzo_assert(d >= 0); - r &= __lzo_assert(d < (long) sizeof(lzo_full_align_t)); - - memset(&a,0,sizeof(a)); - r &= __lzo_assert(a.a_lzo_voidp == NULL); - - memset(&a,0xff,sizeof(a)); - r &= __lzo_assert(a.a_ushort == USHRT_MAX); - r &= __lzo_assert(a.a_uint == UINT_MAX); - r &= __lzo_assert(a.a_ulong == ULONG_MAX); - r &= __lzo_assert(a.a_lzo_uint == LZO_UINT_MAX); - r &= __lzo_assert(a.a_lzo_uint32 == LZO_UINT32_MAX); - - if (r == 1) - { - for (i = 0; i < 8; i++) - r &= __lzo_assert((const lzo_voidp) (&dict[i]) == (const lzo_voidp) (&wrkmem[i * sizeof(lzo_byte *)])); - } - - memset(&a,0,sizeof(a)); - r &= __lzo_assert(a.a_char_p == NULL); - r &= __lzo_assert(a.a_lzo_bytep == NULL); - r &= __lzo_assert(NULL == (void *)0); - if (r == 1) - { - for (i = 0; i < 10; i++) - dict[i] = wrkmem; - BZERO8_PTR(dict+1,sizeof(dict[0]),8); - r &= __lzo_assert(dict[0] == wrkmem); - for (i = 1; i < 9; i++) - r &= __lzo_assert(dict[i] == NULL); - r &= __lzo_assert(dict[9] == wrkmem); - } - - if (r == 1) - { - unsigned k = 1; - const unsigned n = (unsigned) sizeof(lzo_uint32); - lzo_byte *p0; - lzo_byte *p1; - - k += __lzo_align_gap(&x[k],n); - p0 = (lzo_bytep) &x[k]; -#if defined(PTR_LINEAR) - r &= __lzo_assert((PTR_LINEAR(p0) & (n-1)) == 0); -#else - r &= __lzo_assert(n == 4); - r &= __lzo_assert(PTR_ALIGNED_4(p0)); -#endif - - r &= __lzo_assert(k >= 1); - p1 = (lzo_bytep) &x[1]; - r &= __lzo_assert(PTR_GE(p0,p1)); - - r &= __lzo_assert(k < 1+n); - p1 = (lzo_bytep) &x[1+n]; - r &= __lzo_assert(PTR_LT(p0,p1)); - - if (r == 1) - { - lzo_uint32 v0, v1; -#if 0 - v0 = * (lzo_uint32 *) &x[k]; - v1 = * (lzo_uint32 *) &x[k+n]; -#else - - u.a_uchar_p = &x[k]; - v0 = *u.a_lzo_uint32_p; - u.a_uchar_p = &x[k+n]; - v1 = *u.a_lzo_uint32_p; -#endif - r &= __lzo_assert(v0 > 0); - r &= __lzo_assert(v1 > 0); - } - } - - return r; -} - -LZO_PUBLIC(int) -_lzo_config_check(void) -{ - lzo_bool r = 1; - int i; - union { - lzo_uint32 a; - unsigned short b; - lzo_uint32 aa[4]; - unsigned char x[4*sizeof(lzo_full_align_t)]; - } u; - - COMPILE_TIME_ASSERT( (int) ((unsigned char) ((signed char) -1)) == 255); - COMPILE_TIME_ASSERT( (((unsigned char)128) << (int)(8*sizeof(int)-8)) < 0); - -#if 0 - r &= __lzo_assert((const void *)&u == (const void *)&u.a); - r &= __lzo_assert((const void *)&u == (const void *)&u.b); - r &= __lzo_assert((const void *)&u == (const void *)&u.x[0]); - r &= __lzo_assert((const void *)&u == (const void *)&u.aa[0]); -#endif - - r &= basic_integral_check(); - r &= basic_ptr_check(); - if (r != 1) - return LZO_E_ERROR; - - u.a = 0; u.b = 0; - for (i = 0; i < (int) sizeof(u.x); i++) - u.x[i] = LZO_BYTE(i); - -#if defined(LZO_BYTE_ORDER) - if (r == 1) - { -# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - lzo_uint32 a = (lzo_uint32) (u.a & LZO_0xffffffffL); - unsigned short b = (unsigned short) (u.b & 0xffff); - r &= __lzo_assert(a == 0x03020100L); - r &= __lzo_assert(b == 0x0100); -# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) - lzo_uint32 a = u.a >> (8 * sizeof(u.a) - 32); - unsigned short b = u.b >> (8 * sizeof(u.b) - 16); - r &= __lzo_assert(a == 0x00010203L); - r &= __lzo_assert(b == 0x0001); -# else -# error "invalid LZO_BYTE_ORDER" -# endif - } -#endif - -#if defined(LZO_UNALIGNED_OK_2) - COMPILE_TIME_ASSERT(sizeof(short) == 2); - if (r == 1) - { - unsigned short b[4]; - - for (i = 0; i < 4; i++) - b[i] = * (const unsigned short *) &u.x[i]; - -# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - r &= __lzo_assert(b[0] == 0x0100); - r &= __lzo_assert(b[1] == 0x0201); - r &= __lzo_assert(b[2] == 0x0302); - r &= __lzo_assert(b[3] == 0x0403); -# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) - r &= __lzo_assert(b[0] == 0x0001); - r &= __lzo_assert(b[1] == 0x0102); - r &= __lzo_assert(b[2] == 0x0203); - r &= __lzo_assert(b[3] == 0x0304); -# endif - } -#endif - -#if defined(LZO_UNALIGNED_OK_4) - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4); - if (r == 1) - { - lzo_uint32 a[4]; - - for (i = 0; i < 4; i++) - a[i] = * (const lzo_uint32 *) &u.x[i]; - -# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - r &= __lzo_assert(a[0] == 0x03020100L); - r &= __lzo_assert(a[1] == 0x04030201L); - r &= __lzo_assert(a[2] == 0x05040302L); - r &= __lzo_assert(a[3] == 0x06050403L); -# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) - r &= __lzo_assert(a[0] == 0x00010203L); - r &= __lzo_assert(a[1] == 0x01020304L); - r &= __lzo_assert(a[2] == 0x02030405L); - r &= __lzo_assert(a[3] == 0x03040506L); -# endif - } -#endif - -#if defined(LZO_ALIGNED_OK_4) - COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4); -#endif - - COMPILE_TIME_ASSERT(lzo_sizeof_dict_t == sizeof(lzo_dict_t)); - -#if defined(__LZO_IN_MINLZO) - if (r == 1) - { - lzo_uint32 adler; - adler = lzo_adler32(0, NULL, 0); - adler = lzo_adler32(adler, lzo_copyright(), 200); - r &= __lzo_assert(adler == 0xc76f1751L); - } -#endif - - if (r == 1) - { - r &= __lzo_assert(!schedule_insns_bug()); - } - - if (r == 1) - { - static int x[3]; - static unsigned xn = 3; - register unsigned j; - - for (j = 0; j < xn; j++) - x[j] = (int)j - 3; - r &= __lzo_assert(!strength_reduce_bug(x)); - } - - if (r == 1) - { - r &= ptr_check(); - } - - return r == 1 ? LZO_E_OK : LZO_E_ERROR; -} - -static lzo_bool schedule_insns_bug(void) -{ -#if defined(__LZO_CHECKER) - return 0; -#else - const int clone[] = {1, 2, 0}; - const int *q; - q = clone; - return (*q) ? 0 : 1; -#endif -} - -static lzo_bool strength_reduce_bug(int *x) -{ - return x[0] != -3 || x[1] != -2 || x[2] != -1; -} - -#undef COMPILE_TIME_ASSERT - -int __lzo_init_done = 0; - -LZO_PUBLIC(int) -__lzo_init2(unsigned v, int s1, int s2, int s3, int s4, int s5, - int s6, int s7, int s8, int s9) -{ - int r; - - __lzo_init_done = 1; - - if (v == 0) - return LZO_E_ERROR; - - r = (s1 == -1 || s1 == (int) sizeof(short)) && - (s2 == -1 || s2 == (int) sizeof(int)) && - (s3 == -1 || s3 == (int) sizeof(long)) && - (s4 == -1 || s4 == (int) sizeof(lzo_uint32)) && - (s5 == -1 || s5 == (int) sizeof(lzo_uint)) && - (s6 == -1 || s6 == (int) lzo_sizeof_dict_t) && - (s7 == -1 || s7 == (int) sizeof(char *)) && - (s8 == -1 || s8 == (int) sizeof(lzo_voidp)) && - (s9 == -1 || s9 == (int) sizeof(lzo_compress_t)); - if (!r) - return LZO_E_ERROR; - - r = _lzo_config_check(); - if (r != LZO_E_OK) - return r; - - return r; -} - -#if !defined(__LZO_IN_MINILZO) - -LZO_EXTERN(int) -__lzo_init(unsigned v,int s1,int s2,int s3,int s4,int s5,int s6,int s7); - -LZO_PUBLIC(int) -__lzo_init(unsigned v,int s1,int s2,int s3,int s4,int s5,int s6,int s7) -{ - if (v == 0 || v > 0x1010) - return LZO_E_ERROR; - return __lzo_init2(v,s1,s2,s3,s4,s5,-1,-1,s6,s7); -} - -#endif - -#define do_compress _lzo1x_1_do_compress - -#define LZO_NEED_DICT_H -#define D_BITS 14 -#define D_INDEX1(d,p) d = DM((0x21*DX3(p,5,5,6)) >> 5) -#define D_INDEX2(d,p) d = (d & (D_MASK & 0x7ff)) ^ (D_HIGH | 0x1f) - -#ifndef __LZO_CONFIG1X_H -#define __LZO_CONFIG1X_H - -#if !defined(LZO1X) && !defined(LZO1Y) && !defined(LZO1Z) -# define LZO1X -#endif - -#if !defined(__LZO_IN_MINILZO) -#include -#endif - -#define LZO_EOF_CODE -#undef LZO_DETERMINISTIC - -#define M1_MAX_OFFSET 0x0400 -#ifndef M2_MAX_OFFSET -#define M2_MAX_OFFSET 0x0800 -#endif -#define M3_MAX_OFFSET 0x4000 -#define M4_MAX_OFFSET 0xbfff - -#define MX_MAX_OFFSET (M1_MAX_OFFSET + M2_MAX_OFFSET) - -#define M1_MIN_LEN 2 -#define M1_MAX_LEN 2 -#define M2_MIN_LEN 3 -#ifndef M2_MAX_LEN -#define M2_MAX_LEN 8 -#endif -#define M3_MIN_LEN 3 -#define M3_MAX_LEN 33 -#define M4_MIN_LEN 3 -#define M4_MAX_LEN 9 - -#define M1_MARKER 0 -#define M2_MARKER 64 -#define M3_MARKER 32 -#define M4_MARKER 16 - -#ifndef MIN_LOOKAHEAD -#define MIN_LOOKAHEAD (M2_MAX_LEN + 1) -#endif - -#if defined(LZO_NEED_DICT_H) - -#ifndef LZO_HASH -#define LZO_HASH LZO_HASH_LZO_INCREMENTAL_B -#endif -#define DL_MIN_LEN M2_MIN_LEN - -#ifndef __LZO_DICT_H -#define __LZO_DICT_H - -#ifdef __cplusplus -extern "C" { -#endif - -#if !defined(D_BITS) && defined(DBITS) -# define D_BITS DBITS -#endif -#if !defined(D_BITS) -# error "D_BITS is not defined" -#endif -#if (D_BITS < 16) -# define D_SIZE LZO_SIZE(D_BITS) -# define D_MASK LZO_MASK(D_BITS) -#else -# define D_SIZE LZO_USIZE(D_BITS) -# define D_MASK LZO_UMASK(D_BITS) -#endif -#define D_HIGH ((D_MASK >> 1) + 1) - -#if !defined(DD_BITS) -# define DD_BITS 0 -#endif -#define DD_SIZE LZO_SIZE(DD_BITS) -#define DD_MASK LZO_MASK(DD_BITS) - -#if !defined(DL_BITS) -# define DL_BITS (D_BITS - DD_BITS) -#endif -#if (DL_BITS < 16) -# define DL_SIZE LZO_SIZE(DL_BITS) -# define DL_MASK LZO_MASK(DL_BITS) -#else -# define DL_SIZE LZO_USIZE(DL_BITS) -# define DL_MASK LZO_UMASK(DL_BITS) -#endif - -#if (D_BITS != DL_BITS + DD_BITS) -# error "D_BITS does not match" -#endif -#if (D_BITS < 8 || D_BITS > 18) -# error "invalid D_BITS" -#endif -#if (DL_BITS < 8 || DL_BITS > 20) -# error "invalid DL_BITS" -#endif -#if (DD_BITS < 0 || DD_BITS > 6) -# error "invalid DD_BITS" -#endif - -#if !defined(DL_MIN_LEN) -# define DL_MIN_LEN 3 -#endif -#if !defined(DL_SHIFT) -# define DL_SHIFT ((DL_BITS + (DL_MIN_LEN - 1)) / DL_MIN_LEN) -#endif - -#define LZO_HASH_GZIP 1 -#define LZO_HASH_GZIP_INCREMENTAL 2 -#define LZO_HASH_LZO_INCREMENTAL_A 3 -#define LZO_HASH_LZO_INCREMENTAL_B 4 - -#if !defined(LZO_HASH) -# error "choose a hashing strategy" -#endif - -#if (DL_MIN_LEN == 3) -# define _DV2_A(p,shift1,shift2) \ - (((( (lzo_uint32)((p)[0]) << shift1) ^ (p)[1]) << shift2) ^ (p)[2]) -# define _DV2_B(p,shift1,shift2) \ - (((( (lzo_uint32)((p)[2]) << shift1) ^ (p)[1]) << shift2) ^ (p)[0]) -# define _DV3_B(p,shift1,shift2,shift3) \ - ((_DV2_B((p)+1,shift1,shift2) << (shift3)) ^ (p)[0]) -#elif (DL_MIN_LEN == 2) -# define _DV2_A(p,shift1,shift2) \ - (( (lzo_uint32)(p[0]) << shift1) ^ p[1]) -# define _DV2_B(p,shift1,shift2) \ - (( (lzo_uint32)(p[1]) << shift1) ^ p[2]) -#else -# error "invalid DL_MIN_LEN" -#endif -#define _DV_A(p,shift) _DV2_A(p,shift,shift) -#define _DV_B(p,shift) _DV2_B(p,shift,shift) -#define DA2(p,s1,s2) \ - (((((lzo_uint32)((p)[2]) << (s2)) + (p)[1]) << (s1)) + (p)[0]) -#define DS2(p,s1,s2) \ - (((((lzo_uint32)((p)[2]) << (s2)) - (p)[1]) << (s1)) - (p)[0]) -#define DX2(p,s1,s2) \ - (((((lzo_uint32)((p)[2]) << (s2)) ^ (p)[1]) << (s1)) ^ (p)[0]) -#define DA3(p,s1,s2,s3) ((DA2((p)+1,s2,s3) << (s1)) + (p)[0]) -#define DS3(p,s1,s2,s3) ((DS2((p)+1,s2,s3) << (s1)) - (p)[0]) -#define DX3(p,s1,s2,s3) ((DX2((p)+1,s2,s3) << (s1)) ^ (p)[0]) -#define DMS(v,s) ((lzo_uint) (((v) & (D_MASK >> (s))) << (s))) -#define DM(v) DMS(v,0) - -#if (LZO_HASH == LZO_HASH_GZIP) -# define _DINDEX(dv,p) (_DV_A((p),DL_SHIFT)) - -#elif (LZO_HASH == LZO_HASH_GZIP_INCREMENTAL) -# define __LZO_HASH_INCREMENTAL -# define DVAL_FIRST(dv,p) dv = _DV_A((p),DL_SHIFT) -# define DVAL_NEXT(dv,p) dv = (((dv) << DL_SHIFT) ^ p[2]) -# define _DINDEX(dv,p) (dv) -# define DVAL_LOOKAHEAD DL_MIN_LEN - -#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_A) -# define __LZO_HASH_INCREMENTAL -# define DVAL_FIRST(dv,p) dv = _DV_A((p),5) -# define DVAL_NEXT(dv,p) \ - dv ^= (lzo_uint32)(p[-1]) << (2*5); dv = (((dv) << 5) ^ p[2]) -# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5) -# define DVAL_LOOKAHEAD DL_MIN_LEN - -#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_B) -# define __LZO_HASH_INCREMENTAL -# define DVAL_FIRST(dv,p) dv = _DV_B((p),5) -# define DVAL_NEXT(dv,p) \ - dv ^= p[-1]; dv = (((dv) >> 5) ^ ((lzo_uint32)(p[2]) << (2*5))) -# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5) -# define DVAL_LOOKAHEAD DL_MIN_LEN - -#else -# error "choose a hashing strategy" -#endif - -#ifndef DINDEX -#define DINDEX(dv,p) ((lzo_uint)((_DINDEX(dv,p)) & DL_MASK) << DD_BITS) -#endif -#if !defined(DINDEX1) && defined(D_INDEX1) -#define DINDEX1 D_INDEX1 -#endif -#if !defined(DINDEX2) && defined(D_INDEX2) -#define DINDEX2 D_INDEX2 -#endif - -#if !defined(__LZO_HASH_INCREMENTAL) -# define DVAL_FIRST(dv,p) ((void) 0) -# define DVAL_NEXT(dv,p) ((void) 0) -# define DVAL_LOOKAHEAD 0 -#endif - -#if !defined(DVAL_ASSERT) -#if defined(__LZO_HASH_INCREMENTAL) && !defined(NDEBUG) -static void DVAL_ASSERT(lzo_uint32 dv, const lzo_byte *p) -{ - lzo_uint32 df; - DVAL_FIRST(df,(p)); - assert(DINDEX(dv,p) == DINDEX(df,p)); -} -#else -# define DVAL_ASSERT(dv,p) ((void) 0) -#endif -#endif - -#if defined(LZO_DICT_USE_PTR) -# define DENTRY(p,in) (p) -# define GINDEX(m_pos,m_off,dict,dindex,in) m_pos = dict[dindex] -#else -# define DENTRY(p,in) ((lzo_uint) ((p)-(in))) -# define GINDEX(m_pos,m_off,dict,dindex,in) m_off = dict[dindex] -#endif - -#if (DD_BITS == 0) - -# define UPDATE_D(dict,drun,dv,p,in) dict[ DINDEX(dv,p) ] = DENTRY(p,in) -# define UPDATE_I(dict,drun,index,p,in) dict[index] = DENTRY(p,in) -# define UPDATE_P(ptr,drun,p,in) (ptr)[0] = DENTRY(p,in) - -#else - -# define UPDATE_D(dict,drun,dv,p,in) \ - dict[ DINDEX(dv,p) + drun++ ] = DENTRY(p,in); drun &= DD_MASK -# define UPDATE_I(dict,drun,index,p,in) \ - dict[ (index) + drun++ ] = DENTRY(p,in); drun &= DD_MASK -# define UPDATE_P(ptr,drun,p,in) \ - (ptr) [ drun++ ] = DENTRY(p,in); drun &= DD_MASK - -#endif - -#if defined(LZO_DICT_USE_PTR) - -#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \ - (m_pos == NULL || (m_off = (lzo_moff_t) (ip - m_pos)) > max_offset) - -#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \ - (BOUNDS_CHECKING_OFF_IN_EXPR( \ - (PTR_LT(m_pos,in) || \ - (m_off = (lzo_moff_t) PTR_DIFF(ip,m_pos)) <= 0 || \ - m_off > max_offset) )) - -#else - -#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \ - (m_off == 0 || \ - ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \ - (m_pos = (ip) - (m_off), 0) ) - -#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \ - ((lzo_moff_t) ((ip)-(in)) <= m_off || \ - ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \ - (m_pos = (ip) - (m_off), 0) ) - -#endif - -#if defined(LZO_DETERMINISTIC) -# define LZO_CHECK_MPOS LZO_CHECK_MPOS_DET -#else -# define LZO_CHECK_MPOS LZO_CHECK_MPOS_NON_DET -#endif - -#ifdef __cplusplus -} -#endif - -#endif - -#endif - -#endif - -#define DO_COMPRESS lzo1x_1_compress - -static -lzo_uint do_compress ( const lzo_byte *in , lzo_uint in_len, - lzo_byte *out, lzo_uintp out_len, - lzo_voidp wrkmem ) -{ -#if 0 && defined(__GNUC__) && defined(__i386__) - register const lzo_byte *ip __asm__("%esi"); -#else - register const lzo_byte *ip; -#endif - lzo_byte *op; - const lzo_byte * const in_end = in + in_len; - const lzo_byte * const ip_end = in + in_len - M2_MAX_LEN - 5; - const lzo_byte *ii; - lzo_dict_p const dict = (lzo_dict_p) wrkmem; - - op = out; - ip = in; - ii = ip; - - ip += 4; - for (;;) - { -#if 0 && defined(__GNUC__) && defined(__i386__) - register const lzo_byte *m_pos __asm__("%edi"); -#else - register const lzo_byte *m_pos; -#endif - lzo_moff_t m_off; - lzo_uint m_len; - lzo_uint dindex; - - DINDEX1(dindex,ip); - GINDEX(m_pos,m_off,dict,dindex,in); - if (LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,M4_MAX_OFFSET)) - goto literal; -#if 1 - if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3]) - goto try_match; - DINDEX2(dindex,ip); -#endif - GINDEX(m_pos,m_off,dict,dindex,in); - if (LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,M4_MAX_OFFSET)) - goto literal; - if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3]) - goto try_match; - goto literal; - -try_match: -#if 1 && defined(LZO_UNALIGNED_OK_2) - if (* (const lzo_ushortp) m_pos != * (const lzo_ushortp) ip) -#else - if (m_pos[0] != ip[0] || m_pos[1] != ip[1]) -#endif - { - } - else - { - if (m_pos[2] == ip[2]) - { -#if 0 - if (m_off <= M2_MAX_OFFSET) - goto match; - if (lit <= 3) - goto match; - if (lit == 3) - { - assert(op - 2 > out); op[-2] |= LZO_BYTE(3); - *op++ = *ii++; *op++ = *ii++; *op++ = *ii++; - goto code_match; - } - if (m_pos[3] == ip[3]) -#endif - goto match; - } - else - { -#if 0 -#if 0 - if (m_off <= M1_MAX_OFFSET && lit > 0 && lit <= 3) -#else - if (m_off <= M1_MAX_OFFSET && lit == 3) -#endif - { - register lzo_uint t; - - t = lit; - assert(op - 2 > out); op[-2] |= LZO_BYTE(t); - do *op++ = *ii++; while (--t > 0); - assert(ii == ip); - m_off -= 1; - *op++ = LZO_BYTE(M1_MARKER | ((m_off & 3) << 2)); - *op++ = LZO_BYTE(m_off >> 2); - ip += 2; - goto match_done; - } -#endif - } - } - -literal: - UPDATE_I(dict,0,dindex,ip,in); - ++ip; - if (ip >= ip_end) - break; - continue; - -match: - UPDATE_I(dict,0,dindex,ip,in); - if (pd(ip,ii) > 0) - { - register lzo_uint t = pd(ip,ii); - - if (t <= 3) - { - assert(op - 2 > out); - op[-2] |= LZO_BYTE(t); - } - else if (t <= 18) - *op++ = LZO_BYTE(t - 3); - else - { - register lzo_uint tt = t - 18; - - *op++ = 0; - while (tt > 255) - { - tt -= 255; - *op++ = 0; - } - assert(tt > 0); - *op++ = LZO_BYTE(tt); - } - do *op++ = *ii++; while (--t > 0); - } - - assert(ii == ip); - ip += 3; - if (m_pos[3] != *ip++ || m_pos[4] != *ip++ || m_pos[5] != *ip++ || - m_pos[6] != *ip++ || m_pos[7] != *ip++ || m_pos[8] != *ip++ -#ifdef LZO1Y - || m_pos[ 9] != *ip++ || m_pos[10] != *ip++ || m_pos[11] != *ip++ - || m_pos[12] != *ip++ || m_pos[13] != *ip++ || m_pos[14] != *ip++ -#endif - ) - { - --ip; - m_len = ip - ii; - assert(m_len >= 3); assert(m_len <= M2_MAX_LEN); - - if (m_off <= M2_MAX_OFFSET) - { - m_off -= 1; -#if defined(LZO1X) - *op++ = LZO_BYTE(((m_len - 1) << 5) | ((m_off & 7) << 2)); - *op++ = LZO_BYTE(m_off >> 3); -#elif defined(LZO1Y) - *op++ = LZO_BYTE(((m_len + 1) << 4) | ((m_off & 3) << 2)); - *op++ = LZO_BYTE(m_off >> 2); -#endif - } - else if (m_off <= M3_MAX_OFFSET) - { - m_off -= 1; - *op++ = LZO_BYTE(M3_MARKER | (m_len - 2)); - goto m3_m4_offset; - } - else -#if defined(LZO1X) - { - m_off -= 0x4000; - assert(m_off > 0); assert(m_off <= 0x7fff); - *op++ = LZO_BYTE(M4_MARKER | - ((m_off & 0x4000) >> 11) | (m_len - 2)); - goto m3_m4_offset; - } -#elif defined(LZO1Y) - goto m4_match; -#endif - } - else - { - { - const lzo_byte *end = in_end; - const lzo_byte *m = m_pos + M2_MAX_LEN + 1; - while (ip < end && *m == *ip) - m++, ip++; - m_len = (ip - ii); - } - assert(m_len > M2_MAX_LEN); - - if (m_off <= M3_MAX_OFFSET) - { - m_off -= 1; - if (m_len <= 33) - *op++ = LZO_BYTE(M3_MARKER | (m_len - 2)); - else - { - m_len -= 33; - *op++ = M3_MARKER | 0; - goto m3_m4_len; - } - } - else - { -#if defined(LZO1Y) -m4_match: -#endif - m_off -= 0x4000; - assert(m_off > 0); assert(m_off <= 0x7fff); - if (m_len <= M4_MAX_LEN) - *op++ = LZO_BYTE(M4_MARKER | - ((m_off & 0x4000) >> 11) | (m_len - 2)); - else - { - m_len -= M4_MAX_LEN; - *op++ = LZO_BYTE(M4_MARKER | ((m_off & 0x4000) >> 11)); -m3_m4_len: - while (m_len > 255) - { - m_len -= 255; - *op++ = 0; - } - assert(m_len > 0); - *op++ = LZO_BYTE(m_len); - } - } - -m3_m4_offset: - *op++ = LZO_BYTE((m_off & 63) << 2); - *op++ = LZO_BYTE(m_off >> 6); - } - -#if 0 -match_done: -#endif - ii = ip; - if (ip >= ip_end) - break; - } - - *out_len = op - out; - return pd(in_end,ii); -} - -LZO_PUBLIC(int) -DO_COMPRESS ( const lzo_byte *in , lzo_uint in_len, - lzo_byte *out, lzo_uintp out_len, - lzo_voidp wrkmem ) -{ - lzo_byte *op = out; - lzo_uint t; - -#if defined(__LZO_QUERY_COMPRESS) - if (__LZO_IS_COMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) - return __LZO_QUERY_COMPRESS(in,in_len,out,out_len,wrkmem,D_SIZE,lzo_sizeof(lzo_dict_t)); -#endif - - if (in_len <= M2_MAX_LEN + 5) - t = in_len; - else - { - t = do_compress(in,in_len,op,out_len,wrkmem); - op += *out_len; - } - - if (t > 0) - { - const lzo_byte *ii = in + in_len - t; - - if (op == out && t <= 238) - *op++ = LZO_BYTE(17 + t); - else if (t <= 3) - op[-2] |= LZO_BYTE(t); - else if (t <= 18) - *op++ = LZO_BYTE(t - 3); - else - { - lzo_uint tt = t - 18; - - *op++ = 0; - while (tt > 255) - { - tt -= 255; - *op++ = 0; - } - assert(tt > 0); - *op++ = LZO_BYTE(tt); - } - do *op++ = *ii++; while (--t > 0); - } - - *op++ = M4_MARKER | 1; - *op++ = 0; - *op++ = 0; - - *out_len = op - out; - return LZO_E_OK; -} - -#undef do_compress -#undef DO_COMPRESS -#undef LZO_HASH - -#undef LZO_TEST_DECOMPRESS_OVERRUN -#undef LZO_TEST_DECOMPRESS_OVERRUN_INPUT -#undef LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT -#undef LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND -#undef DO_DECOMPRESS -#define DO_DECOMPRESS lzo1x_decompress - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN) -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) -# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2 -# endif -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) -# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2 -# endif -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND -# endif -#endif - -#undef TEST_IP -#undef TEST_OP -#undef TEST_LOOKBEHIND -#undef NEED_IP -#undef NEED_OP -#undef HAVE_TEST_IP -#undef HAVE_TEST_OP -#undef HAVE_NEED_IP -#undef HAVE_NEED_OP -#undef HAVE_ANY_IP -#undef HAVE_ANY_OP - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) -# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1) -# define TEST_IP (ip < ip_end) -# endif -# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2) -# define NEED_IP(x) \ - if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun -# endif -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) -# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1) -# define TEST_OP (op <= op_end) -# endif -# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2) -# undef TEST_OP -# define NEED_OP(x) \ - if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun -# endif -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun -#else -# define TEST_LOOKBEHIND(m_pos,op) ((void) 0) -#endif - -#if !defined(LZO_EOF_CODE) && !defined(TEST_IP) -# define TEST_IP (ip < ip_end) -#endif - -#if defined(TEST_IP) -# define HAVE_TEST_IP -#else -# define TEST_IP 1 -#endif -#if defined(TEST_OP) -# define HAVE_TEST_OP -#else -# define TEST_OP 1 -#endif - -#if defined(NEED_IP) -# define HAVE_NEED_IP -#else -# define NEED_IP(x) ((void) 0) -#endif -#if defined(NEED_OP) -# define HAVE_NEED_OP -#else -# define NEED_OP(x) ((void) 0) -#endif - -#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP) -# define HAVE_ANY_IP -#endif -#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP) -# define HAVE_ANY_OP -#endif - -#undef __COPY4 -#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src) - -#undef COPY4 -#if defined(LZO_UNALIGNED_OK_4) -# define COPY4(dst,src) __COPY4(dst,src) -#elif defined(LZO_ALIGNED_OK_4) -# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src)) -#endif - -#if defined(DO_DECOMPRESS) -LZO_PUBLIC(int) -DO_DECOMPRESS ( const lzo_byte *in , lzo_uint in_len, - lzo_byte *out, lzo_uintp out_len, - lzo_voidp wrkmem ) -#endif -{ - register lzo_byte *op; - register const lzo_byte *ip; - register lzo_uint t; -#if defined(COPY_DICT) - lzo_uint m_off; - const lzo_byte *dict_end; -#else - register const lzo_byte *m_pos; -#endif - - const lzo_byte * const ip_end = in + in_len; -#if defined(HAVE_ANY_OP) - lzo_byte * const op_end = out + *out_len; -#endif -#if defined(LZO1Z) - lzo_uint last_m_off = 0; -#endif - - LZO_UNUSED(wrkmem); - -#if defined(__LZO_QUERY_DECOMPRESS) - if (__LZO_IS_DECOMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) - return __LZO_QUERY_DECOMPRESS(in,in_len,out,out_len,wrkmem,0,0); -#endif - -#if defined(COPY_DICT) - if (dict) - { - if (dict_len > M4_MAX_OFFSET) - { - dict += dict_len - M4_MAX_OFFSET; - dict_len = M4_MAX_OFFSET; - } - dict_end = dict + dict_len; - } - else - { - dict_len = 0; - dict_end = NULL; - } -#endif - - *out_len = 0; - - op = out; - ip = in; - - if (*ip > 17) - { - t = *ip++ - 17; - if (t < 4) - goto match_next; - assert(t > 0); NEED_OP(t); NEED_IP(t+1); - do *op++ = *ip++; while (--t > 0); - goto first_literal_run; - } - - while (TEST_IP && TEST_OP) - { - t = *ip++; - if (t >= 16) - goto match; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 15 + *ip++; - } - assert(t > 0); NEED_OP(t+3); NEED_IP(t+4); -#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) -#if !defined(LZO_UNALIGNED_OK_4) - if (PTR_ALIGNED2_4(op,ip)) - { -#endif - COPY4(op,ip); - op += 4; ip += 4; - if (--t > 0) - { - if (t >= 4) - { - do { - COPY4(op,ip); - op += 4; ip += 4; t -= 4; - } while (t >= 4); - if (t > 0) do *op++ = *ip++; while (--t > 0); - } - else - do *op++ = *ip++; while (--t > 0); - } -#if !defined(LZO_UNALIGNED_OK_4) - } - else -#endif -#endif -#if !defined(LZO_UNALIGNED_OK_4) - { - *op++ = *ip++; *op++ = *ip++; *op++ = *ip++; - do *op++ = *ip++; while (--t > 0); - } -#endif - -first_literal_run: - - t = *ip++; - if (t >= 16) - goto match; -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); - last_m_off = m_off; -#else - m_off = (1 + M2_MAX_OFFSET) + (t >> 2) + (*ip++ << 2); -#endif - NEED_OP(3); - t = 3; COPY_DICT(t,m_off) -#else -#if defined(LZO1Z) - t = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); - m_pos = op - t; - last_m_off = t; -#else - m_pos = op - (1 + M2_MAX_OFFSET); - m_pos -= t >> 2; - m_pos -= *ip++ << 2; -#endif - TEST_LOOKBEHIND(m_pos,out); NEED_OP(3); - *op++ = *m_pos++; *op++ = *m_pos++; *op++ = *m_pos; -#endif - goto match_done; - - while (TEST_IP && TEST_OP) - { -match: - if (t >= 64) - { -#if defined(COPY_DICT) -#if defined(LZO1X) - m_off = 1 + ((t >> 2) & 7) + (*ip++ << 3); - t = (t >> 5) - 1; -#elif defined(LZO1Y) - m_off = 1 + ((t >> 2) & 3) + (*ip++ << 2); - t = (t >> 4) - 3; -#elif defined(LZO1Z) - m_off = t & 0x1f; - if (m_off >= 0x1c) - m_off = last_m_off; - else - { - m_off = 1 + (m_off << 6) + (*ip++ >> 2); - last_m_off = m_off; - } - t = (t >> 5) - 1; -#endif -#else -#if defined(LZO1X) - m_pos = op - 1; - m_pos -= (t >> 2) & 7; - m_pos -= *ip++ << 3; - t = (t >> 5) - 1; -#elif defined(LZO1Y) - m_pos = op - 1; - m_pos -= (t >> 2) & 3; - m_pos -= *ip++ << 2; - t = (t >> 4) - 3; -#elif defined(LZO1Z) - { - lzo_uint off = t & 0x1f; - m_pos = op; - if (off >= 0x1c) - { - assert(last_m_off > 0); - m_pos -= last_m_off; - } - else - { - off = 1 + (off << 6) + (*ip++ >> 2); - m_pos -= off; - last_m_off = off; - } - } - t = (t >> 5) - 1; -#endif - TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); - goto copy_match; -#endif - } - else if (t >= 32) - { - t &= 31; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 31 + *ip++; - } -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = 1 + (ip[0] << 6) + (ip[1] >> 2); - last_m_off = m_off; -#else - m_off = 1 + (ip[0] >> 2) + (ip[1] << 6); -#endif -#else -#if defined(LZO1Z) - { - lzo_uint off = 1 + (ip[0] << 6) + (ip[1] >> 2); - m_pos = op - off; - last_m_off = off; - } -#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - m_pos = op - 1; - m_pos -= (* (const lzo_ushortp) ip) >> 2; -#else - m_pos = op - 1; - m_pos -= (ip[0] >> 2) + (ip[1] << 6); -#endif -#endif - ip += 2; - } - else if (t >= 16) - { -#if defined(COPY_DICT) - m_off = (t & 8) << 11; -#else - m_pos = op; - m_pos -= (t & 8) << 11; -#endif - t &= 7; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 7 + *ip++; - } -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off += (ip[0] << 6) + (ip[1] >> 2); -#else - m_off += (ip[0] >> 2) + (ip[1] << 6); -#endif - ip += 2; - if (m_off == 0) - goto eof_found; - m_off += 0x4000; -#if defined(LZO1Z) - last_m_off = m_off; -#endif -#else -#if defined(LZO1Z) - m_pos -= (ip[0] << 6) + (ip[1] >> 2); -#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - m_pos -= (* (const lzo_ushortp) ip) >> 2; -#else - m_pos -= (ip[0] >> 2) + (ip[1] << 6); -#endif - ip += 2; - if (m_pos == op) - goto eof_found; - m_pos -= 0x4000; -#if defined(LZO1Z) - last_m_off = op - m_pos; -#endif -#endif - } - else - { -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = 1 + (t << 6) + (*ip++ >> 2); - last_m_off = m_off; -#else - m_off = 1 + (t >> 2) + (*ip++ << 2); -#endif - NEED_OP(2); - t = 2; COPY_DICT(t,m_off) -#else -#if defined(LZO1Z) - t = 1 + (t << 6) + (*ip++ >> 2); - m_pos = op - t; - last_m_off = t; -#else - m_pos = op - 1; - m_pos -= t >> 2; - m_pos -= *ip++ << 2; -#endif - TEST_LOOKBEHIND(m_pos,out); NEED_OP(2); - *op++ = *m_pos++; *op++ = *m_pos; -#endif - goto match_done; - } - -#if defined(COPY_DICT) - - NEED_OP(t+3-1); - t += 3-1; COPY_DICT(t,m_off) - -#else - - TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); -#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) -#if !defined(LZO_UNALIGNED_OK_4) - if (t >= 2 * 4 - (3 - 1) && PTR_ALIGNED2_4(op,m_pos)) - { - assert((op - m_pos) >= 4); -#else - if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) - { -#endif - COPY4(op,m_pos); - op += 4; m_pos += 4; t -= 4 - (3 - 1); - do { - COPY4(op,m_pos); - op += 4; m_pos += 4; t -= 4; - } while (t >= 4); - if (t > 0) do *op++ = *m_pos++; while (--t > 0); - } - else -#endif - { -copy_match: - *op++ = *m_pos++; *op++ = *m_pos++; - do *op++ = *m_pos++; while (--t > 0); - } - -#endif - -match_done: -#if defined(LZO1Z) - t = ip[-1] & 3; -#else - t = ip[-2] & 3; -#endif - if (t == 0) - break; - -match_next: - assert(t > 0); NEED_OP(t); NEED_IP(t+1); - do *op++ = *ip++; while (--t > 0); - t = *ip++; - } - } - -#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP) - *out_len = op - out; - return LZO_E_EOF_NOT_FOUND; -#endif - -eof_found: - assert(t == 1); - *out_len = op - out; - return (ip == ip_end ? LZO_E_OK : - (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN)); - -#if defined(HAVE_NEED_IP) -input_overrun: - *out_len = op - out; - return LZO_E_INPUT_OVERRUN; -#endif - -#if defined(HAVE_NEED_OP) -output_overrun: - *out_len = op - out; - return LZO_E_OUTPUT_OVERRUN; -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -lookbehind_overrun: - *out_len = op - out; - return LZO_E_LOOKBEHIND_OVERRUN; -#endif -} - -#define LZO_TEST_DECOMPRESS_OVERRUN -#undef DO_DECOMPRESS -#define DO_DECOMPRESS lzo1x_decompress_safe - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN) -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) -# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2 -# endif -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) -# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2 -# endif -# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND -# endif -#endif - -#undef TEST_IP -#undef TEST_OP -#undef TEST_LOOKBEHIND -#undef NEED_IP -#undef NEED_OP -#undef HAVE_TEST_IP -#undef HAVE_TEST_OP -#undef HAVE_NEED_IP -#undef HAVE_NEED_OP -#undef HAVE_ANY_IP -#undef HAVE_ANY_OP - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) -# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1) -# define TEST_IP (ip < ip_end) -# endif -# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2) -# define NEED_IP(x) \ - if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun -# endif -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) -# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1) -# define TEST_OP (op <= op_end) -# endif -# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2) -# undef TEST_OP -# define NEED_OP(x) \ - if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun -# endif -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun -#else -# define TEST_LOOKBEHIND(m_pos,op) ((void) 0) -#endif - -#if !defined(LZO_EOF_CODE) && !defined(TEST_IP) -# define TEST_IP (ip < ip_end) -#endif - -#if defined(TEST_IP) -# define HAVE_TEST_IP -#else -# define TEST_IP 1 -#endif -#if defined(TEST_OP) -# define HAVE_TEST_OP -#else -# define TEST_OP 1 -#endif - -#if defined(NEED_IP) -# define HAVE_NEED_IP -#else -# define NEED_IP(x) ((void) 0) -#endif -#if defined(NEED_OP) -# define HAVE_NEED_OP -#else -# define NEED_OP(x) ((void) 0) -#endif - -#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP) -# define HAVE_ANY_IP -#endif -#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP) -# define HAVE_ANY_OP -#endif - -#undef __COPY4 -#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src) - -#undef COPY4 -#if defined(LZO_UNALIGNED_OK_4) -# define COPY4(dst,src) __COPY4(dst,src) -#elif defined(LZO_ALIGNED_OK_4) -# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src)) -#endif - -#if defined(DO_DECOMPRESS) -LZO_PUBLIC(int) -DO_DECOMPRESS ( const lzo_byte *in , lzo_uint in_len, - lzo_byte *out, lzo_uintp out_len, - lzo_voidp wrkmem ) -#endif -{ - register lzo_byte *op; - register const lzo_byte *ip; - register lzo_uint t; -#if defined(COPY_DICT) - lzo_uint m_off; - const lzo_byte *dict_end; -#else - register const lzo_byte *m_pos; -#endif - - const lzo_byte * const ip_end = in + in_len; -#if defined(HAVE_ANY_OP) - lzo_byte * const op_end = out + *out_len; -#endif -#if defined(LZO1Z) - lzo_uint last_m_off = 0; -#endif - - LZO_UNUSED(wrkmem); - -#if defined(__LZO_QUERY_DECOMPRESS) - if (__LZO_IS_DECOMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) - return __LZO_QUERY_DECOMPRESS(in,in_len,out,out_len,wrkmem,0,0); -#endif - -#if defined(COPY_DICT) - if (dict) - { - if (dict_len > M4_MAX_OFFSET) - { - dict += dict_len - M4_MAX_OFFSET; - dict_len = M4_MAX_OFFSET; - } - dict_end = dict + dict_len; - } - else - { - dict_len = 0; - dict_end = NULL; - } -#endif - - *out_len = 0; - - op = out; - ip = in; - - if (*ip > 17) - { - t = *ip++ - 17; - if (t < 4) - goto match_next; - assert(t > 0); NEED_OP(t); NEED_IP(t+1); - do *op++ = *ip++; while (--t > 0); - goto first_literal_run; - } - - while (TEST_IP && TEST_OP) - { - t = *ip++; - if (t >= 16) - goto match; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 15 + *ip++; - } - assert(t > 0); NEED_OP(t+3); NEED_IP(t+4); -#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) -#if !defined(LZO_UNALIGNED_OK_4) - if (PTR_ALIGNED2_4(op,ip)) - { -#endif - COPY4(op,ip); - op += 4; ip += 4; - if (--t > 0) - { - if (t >= 4) - { - do { - COPY4(op,ip); - op += 4; ip += 4; t -= 4; - } while (t >= 4); - if (t > 0) do *op++ = *ip++; while (--t > 0); - } - else - do *op++ = *ip++; while (--t > 0); - } -#if !defined(LZO_UNALIGNED_OK_4) - } - else -#endif -#endif -#if !defined(LZO_UNALIGNED_OK_4) - { - *op++ = *ip++; *op++ = *ip++; *op++ = *ip++; - do *op++ = *ip++; while (--t > 0); - } -#endif - -first_literal_run: - - t = *ip++; - if (t >= 16) - goto match; -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); - last_m_off = m_off; -#else - m_off = (1 + M2_MAX_OFFSET) + (t >> 2) + (*ip++ << 2); -#endif - NEED_OP(3); - t = 3; COPY_DICT(t,m_off) -#else -#if defined(LZO1Z) - t = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); - m_pos = op - t; - last_m_off = t; -#else - m_pos = op - (1 + M2_MAX_OFFSET); - m_pos -= t >> 2; - m_pos -= *ip++ << 2; -#endif - TEST_LOOKBEHIND(m_pos,out); NEED_OP(3); - *op++ = *m_pos++; *op++ = *m_pos++; *op++ = *m_pos; -#endif - goto match_done; - - while (TEST_IP && TEST_OP) - { -match: - if (t >= 64) - { -#if defined(COPY_DICT) -#if defined(LZO1X) - m_off = 1 + ((t >> 2) & 7) + (*ip++ << 3); - t = (t >> 5) - 1; -#elif defined(LZO1Y) - m_off = 1 + ((t >> 2) & 3) + (*ip++ << 2); - t = (t >> 4) - 3; -#elif defined(LZO1Z) - m_off = t & 0x1f; - if (m_off >= 0x1c) - m_off = last_m_off; - else - { - m_off = 1 + (m_off << 6) + (*ip++ >> 2); - last_m_off = m_off; - } - t = (t >> 5) - 1; -#endif -#else -#if defined(LZO1X) - m_pos = op - 1; - m_pos -= (t >> 2) & 7; - m_pos -= *ip++ << 3; - t = (t >> 5) - 1; -#elif defined(LZO1Y) - m_pos = op - 1; - m_pos -= (t >> 2) & 3; - m_pos -= *ip++ << 2; - t = (t >> 4) - 3; -#elif defined(LZO1Z) - { - lzo_uint off = t & 0x1f; - m_pos = op; - if (off >= 0x1c) - { - assert(last_m_off > 0); - m_pos -= last_m_off; - } - else - { - off = 1 + (off << 6) + (*ip++ >> 2); - m_pos -= off; - last_m_off = off; - } - } - t = (t >> 5) - 1; -#endif - TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); - goto copy_match; -#endif - } - else if (t >= 32) - { - t &= 31; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 31 + *ip++; - } -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = 1 + (ip[0] << 6) + (ip[1] >> 2); - last_m_off = m_off; -#else - m_off = 1 + (ip[0] >> 2) + (ip[1] << 6); -#endif -#else -#if defined(LZO1Z) - { - lzo_uint off = 1 + (ip[0] << 6) + (ip[1] >> 2); - m_pos = op - off; - last_m_off = off; - } -#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - m_pos = op - 1; - m_pos -= (* (const lzo_ushortp) ip) >> 2; -#else - m_pos = op - 1; - m_pos -= (ip[0] >> 2) + (ip[1] << 6); -#endif -#endif - ip += 2; - } - else if (t >= 16) - { -#if defined(COPY_DICT) - m_off = (t & 8) << 11; -#else - m_pos = op; - m_pos -= (t & 8) << 11; -#endif - t &= 7; - if (t == 0) - { - NEED_IP(1); - while (*ip == 0) - { - t += 255; - ip++; - NEED_IP(1); - } - t += 7 + *ip++; - } -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off += (ip[0] << 6) + (ip[1] >> 2); -#else - m_off += (ip[0] >> 2) + (ip[1] << 6); -#endif - ip += 2; - if (m_off == 0) - goto eof_found; - m_off += 0x4000; -#if defined(LZO1Z) - last_m_off = m_off; -#endif -#else -#if defined(LZO1Z) - m_pos -= (ip[0] << 6) + (ip[1] >> 2); -#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) - m_pos -= (* (const lzo_ushortp) ip) >> 2; -#else - m_pos -= (ip[0] >> 2) + (ip[1] << 6); -#endif - ip += 2; - if (m_pos == op) - goto eof_found; - m_pos -= 0x4000; -#if defined(LZO1Z) - last_m_off = op - m_pos; -#endif -#endif - } - else - { -#if defined(COPY_DICT) -#if defined(LZO1Z) - m_off = 1 + (t << 6) + (*ip++ >> 2); - last_m_off = m_off; -#else - m_off = 1 + (t >> 2) + (*ip++ << 2); -#endif - NEED_OP(2); - t = 2; COPY_DICT(t,m_off) -#else -#if defined(LZO1Z) - t = 1 + (t << 6) + (*ip++ >> 2); - m_pos = op - t; - last_m_off = t; -#else - m_pos = op - 1; - m_pos -= t >> 2; - m_pos -= *ip++ << 2; -#endif - TEST_LOOKBEHIND(m_pos,out); NEED_OP(2); - *op++ = *m_pos++; *op++ = *m_pos; -#endif - goto match_done; - } - -#if defined(COPY_DICT) - - NEED_OP(t+3-1); - t += 3-1; COPY_DICT(t,m_off) - -#else - - TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); -#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) -#if !defined(LZO_UNALIGNED_OK_4) - if (t >= 2 * 4 - (3 - 1) && PTR_ALIGNED2_4(op,m_pos)) - { - assert((op - m_pos) >= 4); -#else - if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) - { -#endif - COPY4(op,m_pos); - op += 4; m_pos += 4; t -= 4 - (3 - 1); - do { - COPY4(op,m_pos); - op += 4; m_pos += 4; t -= 4; - } while (t >= 4); - if (t > 0) do *op++ = *m_pos++; while (--t > 0); - } - else -#endif - { -copy_match: - *op++ = *m_pos++; *op++ = *m_pos++; - do *op++ = *m_pos++; while (--t > 0); - } - -#endif - -match_done: -#if defined(LZO1Z) - t = ip[-1] & 3; -#else - t = ip[-2] & 3; -#endif - if (t == 0) - break; - -match_next: - assert(t > 0); NEED_OP(t); NEED_IP(t+1); - do *op++ = *ip++; while (--t > 0); - t = *ip++; - } - } - -#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP) - *out_len = op - out; - return LZO_E_EOF_NOT_FOUND; -#endif - -eof_found: - assert(t == 1); - *out_len = op - out; - return (ip == ip_end ? LZO_E_OK : - (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN)); - -#if defined(HAVE_NEED_IP) -input_overrun: - *out_len = op - out; - return LZO_E_INPUT_OVERRUN; -#endif - -#if defined(HAVE_NEED_OP) -output_overrun: - *out_len = op - out; - return LZO_E_OUTPUT_OVERRUN; -#endif - -#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) -lookbehind_overrun: - *out_len = op - out; - return LZO_E_LOOKBEHIND_OVERRUN; -#endif -} - -/***** End of minilzo.c *****/ - +/* minilzo.c -- mini subset of the LZO real-time data compression library + + This file is part of the LZO real-time data compression library. + + Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + All Rights Reserved. + + The LZO library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of + the License, or (at your option) any later version. + + The LZO library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with the LZO library; see the file COPYING. + If not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Markus F.X.J. Oberhumer + + http://www.oberhumer.com/opensource/lzo/ + */ + +/* + * NOTE: + * the full LZO package can be found at + * http://www.oberhumer.com/opensource/lzo/ + */ + +#define __LZO_IN_MINILZO +#define LZO_BUILD + +#ifdef MINILZO_HAVE_CONFIG_H +# include +#endif + +#undef LZO_HAVE_CONFIG_H +#include "minilzo.h" + +#if !defined(MINILZO_VERSION) || (MINILZO_VERSION != 0x1080) +# error "version mismatch in miniLZO source files" +#endif + +#ifdef MINILZO_HAVE_CONFIG_H +# define LZO_HAVE_CONFIG_H +#endif + +#if !defined(LZO_NO_SYS_TYPES_H) +# include +#endif +#include + +#ifndef __LZO_CONF_H +#define __LZO_CONF_H + +#if !defined(__LZO_IN_MINILZO) +# ifndef __LZOCONF_H +# include +# endif +#endif + +#if defined(__BOUNDS_CHECKING_ON) +# include +#else +# define BOUNDS_CHECKING_OFF_DURING(stmt) stmt +# define BOUNDS_CHECKING_OFF_IN_EXPR(expr) (expr) +#endif + +#if !defined(LZO_HAVE_CONFIG_H) +# include +# include +# if !defined(NO_STDLIB_H) +# include +# endif +# define HAVE_MEMCMP +# define HAVE_MEMCPY +# define HAVE_MEMMOVE +# define HAVE_MEMSET +#else +# include +# if defined(HAVE_STDDEF_H) +# include +# endif +# if defined(STDC_HEADERS) +# include +# include +# endif +#endif + +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# define HAVE_MALLOC_H +# define HAVE_HALLOC +#endif + +#undef NDEBUG +#if !defined(LZO_DEBUG) +# define NDEBUG +#endif +#if defined(LZO_DEBUG) || !defined(NDEBUG) +# if !defined(NO_STDIO_H) +# include +# endif +#endif +#include + +#if !defined(LZO_COMPILE_TIME_ASSERT) +# define LZO_COMPILE_TIME_ASSERT(expr) \ + { typedef int __lzo_compile_time_assert_fail[1 - 2 * !(expr)]; } +#endif + +#if !defined(LZO_UNUSED) +# if 1 +# define LZO_UNUSED(var) ((void)&var) +# elif 0 +# define LZO_UNUSED(var) { typedef int __lzo_unused[sizeof(var) ? 2 : 1]; } +# else +# define LZO_UNUSED(parm) (parm = parm) +# endif +#endif + +#if !defined(__inline__) && !defined(__GNUC__) +# if defined(__cplusplus) +# define __inline__ inline +# else +# define __inline__ +# endif +#endif + +#if defined(NO_MEMCMP) +# undef HAVE_MEMCMP +#endif + +#if !defined(HAVE_MEMCMP) +# undef memcmp +# define memcmp lzo_memcmp +#endif +#if !defined(HAVE_MEMCPY) +# undef memcpy +# define memcpy lzo_memcpy +#endif +#if !defined(HAVE_MEMMOVE) +# undef memmove +# define memmove lzo_memmove +#endif +#if !defined(HAVE_MEMSET) +# undef memset +# define memset lzo_memset +#endif + +#if 0 +# define LZO_BYTE(x) ((unsigned char) (x)) +#else +# define LZO_BYTE(x) ((unsigned char) ((x) & 0xff)) +#endif + +#define LZO_MAX(a,b) ((a) >= (b) ? (a) : (b)) +#define LZO_MIN(a,b) ((a) <= (b) ? (a) : (b)) +#define LZO_MAX3(a,b,c) ((a) >= (b) ? LZO_MAX(a,c) : LZO_MAX(b,c)) +#define LZO_MIN3(a,b,c) ((a) <= (b) ? LZO_MIN(a,c) : LZO_MIN(b,c)) + +#define lzo_sizeof(type) ((lzo_uint) (sizeof(type))) + +#define LZO_HIGH(array) ((lzo_uint) (sizeof(array)/sizeof(*(array)))) + +#define LZO_SIZE(bits) (1u << (bits)) +#define LZO_MASK(bits) (LZO_SIZE(bits) - 1) + +#define LZO_LSIZE(bits) (1ul << (bits)) +#define LZO_LMASK(bits) (LZO_LSIZE(bits) - 1) + +#define LZO_USIZE(bits) ((lzo_uint) 1 << (bits)) +#define LZO_UMASK(bits) (LZO_USIZE(bits) - 1) + +#define LZO_STYPE_MAX(b) (((1l << (8*(b)-2)) - 1l) + (1l << (8*(b)-2))) +#define LZO_UTYPE_MAX(b) (((1ul << (8*(b)-1)) - 1ul) + (1ul << (8*(b)-1))) + +#if !defined(SIZEOF_UNSIGNED) +# if (UINT_MAX == 0xffff) +# define SIZEOF_UNSIGNED 2 +# elif (UINT_MAX == LZO_0xffffffffL) +# define SIZEOF_UNSIGNED 4 +# elif (UINT_MAX >= LZO_0xffffffffL) +# define SIZEOF_UNSIGNED 8 +# else +# error "SIZEOF_UNSIGNED" +# endif +#endif + +#if !defined(SIZEOF_UNSIGNED_LONG) +# if (ULONG_MAX == LZO_0xffffffffL) +# define SIZEOF_UNSIGNED_LONG 4 +# elif (ULONG_MAX >= LZO_0xffffffffL) +# define SIZEOF_UNSIGNED_LONG 8 +# else +# error "SIZEOF_UNSIGNED_LONG" +# endif +#endif + +#if !defined(SIZEOF_SIZE_T) +# define SIZEOF_SIZE_T SIZEOF_UNSIGNED +#endif +#if !defined(SIZE_T_MAX) +# define SIZE_T_MAX LZO_UTYPE_MAX(SIZEOF_SIZE_T) +#endif + +#if 1 && defined(__LZO_i386) && (UINT_MAX == LZO_0xffffffffL) +# if !defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX == 0xffff) +# define LZO_UNALIGNED_OK_2 +# endif +# if !defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX == LZO_0xffffffffL) +# define LZO_UNALIGNED_OK_4 +# endif +#endif + +#if defined(LZO_UNALIGNED_OK_2) || defined(LZO_UNALIGNED_OK_4) +# if !defined(LZO_UNALIGNED_OK) +# define LZO_UNALIGNED_OK +# endif +#endif + +#if defined(__LZO_NO_UNALIGNED) +# undef LZO_UNALIGNED_OK +# undef LZO_UNALIGNED_OK_2 +# undef LZO_UNALIGNED_OK_4 +#endif + +#if defined(LZO_UNALIGNED_OK_2) && (USHRT_MAX != 0xffff) +# error "LZO_UNALIGNED_OK_2 must not be defined on this system" +#endif +#if defined(LZO_UNALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL) +# error "LZO_UNALIGNED_OK_4 must not be defined on this system" +#endif + +#if defined(__LZO_NO_ALIGNED) +# undef LZO_ALIGNED_OK_4 +#endif + +#if defined(LZO_ALIGNED_OK_4) && (LZO_UINT32_MAX != LZO_0xffffffffL) +# error "LZO_ALIGNED_OK_4 must not be defined on this system" +#endif + +#define LZO_LITTLE_ENDIAN 1234 +#define LZO_BIG_ENDIAN 4321 +#define LZO_PDP_ENDIAN 3412 + +#if !defined(LZO_BYTE_ORDER) +# if defined(MFX_BYTE_ORDER) +# define LZO_BYTE_ORDER MFX_BYTE_ORDER +# elif defined(__LZO_i386) +# define LZO_BYTE_ORDER LZO_LITTLE_ENDIAN +# elif defined(BYTE_ORDER) +# define LZO_BYTE_ORDER BYTE_ORDER +# elif defined(__BYTE_ORDER) +# define LZO_BYTE_ORDER __BYTE_ORDER +# endif +#endif + +#if defined(LZO_BYTE_ORDER) +# if (LZO_BYTE_ORDER != LZO_LITTLE_ENDIAN) && \ + (LZO_BYTE_ORDER != LZO_BIG_ENDIAN) +# error "invalid LZO_BYTE_ORDER" +# endif +#endif + +#if defined(LZO_UNALIGNED_OK) && !defined(LZO_BYTE_ORDER) +# error "LZO_BYTE_ORDER is not defined" +#endif + +#define LZO_OPTIMIZE_GNUC_i386_IS_BUGGY + +#if defined(NDEBUG) && !defined(LZO_DEBUG) && !defined(__LZO_CHECKER) +# if defined(__GNUC__) && defined(__i386__) +# if !defined(LZO_OPTIMIZE_GNUC_i386_IS_BUGGY) +# define LZO_OPTIMIZE_GNUC_i386 +# endif +# endif +#endif + +__LZO_EXTERN_C int __lzo_init_done; +__LZO_EXTERN_C const lzo_byte __lzo_copyright[]; +LZO_EXTERN(const lzo_byte *) lzo_copyright(void); +__LZO_EXTERN_C const lzo_uint32 _lzo_crc32_table[256]; + +#define _LZO_STRINGIZE(x) #x +#define _LZO_MEXPAND(x) _LZO_STRINGIZE(x) + +#define _LZO_CONCAT2(a,b) a ## b +#define _LZO_CONCAT3(a,b,c) a ## b ## c +#define _LZO_CONCAT4(a,b,c,d) a ## b ## c ## d +#define _LZO_CONCAT5(a,b,c,d,e) a ## b ## c ## d ## e + +#define _LZO_ECONCAT2(a,b) _LZO_CONCAT2(a,b) +#define _LZO_ECONCAT3(a,b,c) _LZO_CONCAT3(a,b,c) +#define _LZO_ECONCAT4(a,b,c,d) _LZO_CONCAT4(a,b,c,d) +#define _LZO_ECONCAT5(a,b,c,d,e) _LZO_CONCAT5(a,b,c,d,e) + +#if 0 + +#define __LZO_IS_COMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) +#define __LZO_QUERY_COMPRESS(i,il,o,ol,w,n,s) \ + (*ol = (n)*(s), LZO_E_OK) + +#define __LZO_IS_DECOMPRESS_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) +#define __LZO_QUERY_DECOMPRESS(i,il,o,ol,w,n,s) \ + (*ol = (n)*(s), LZO_E_OK) + +#define __LZO_IS_OPTIMIZE_QUERY(i,il,o,ol,w) ((lzo_voidp)(o) == (w)) +#define __LZO_QUERY_OPTIMIZE(i,il,o,ol,w,n,s) \ + (*ol = (n)*(s), LZO_E_OK) + +#endif + +#ifndef __LZO_PTR_H +#define __LZO_PTR_H + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) +# include +# if 1 && defined(__WATCOMC__) +# include + __LZO_EXTERN_C unsigned char _HShift; +# define __LZO_HShift _HShift +# elif 1 && defined(_MSC_VER) + __LZO_EXTERN_C unsigned short __near _AHSHIFT; +# define __LZO_HShift ((unsigned) &_AHSHIFT) +# elif defined(__LZO_WIN16) +# define __LZO_HShift 3 +# else +# define __LZO_HShift 12 +# endif +# if !defined(_FP_SEG) && defined(FP_SEG) +# define _FP_SEG FP_SEG +# endif +# if !defined(_FP_OFF) && defined(FP_OFF) +# define _FP_OFF FP_OFF +# endif +#endif + +#if !defined(lzo_ptrdiff_t) +# if (UINT_MAX >= LZO_0xffffffffL) + typedef ptrdiff_t lzo_ptrdiff_t; +# else + typedef long lzo_ptrdiff_t; +# endif +#endif + +#if !defined(__LZO_HAVE_PTR_T) +# if defined(lzo_ptr_t) +# define __LZO_HAVE_PTR_T +# endif +#endif +#if !defined(__LZO_HAVE_PTR_T) +# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_LONG) +# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_LONG) + typedef unsigned long lzo_ptr_t; + typedef long lzo_sptr_t; +# define __LZO_HAVE_PTR_T +# endif +# endif +#endif +#if !defined(__LZO_HAVE_PTR_T) +# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED) +# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED) + typedef unsigned int lzo_ptr_t; + typedef int lzo_sptr_t; +# define __LZO_HAVE_PTR_T +# endif +# endif +#endif +#if !defined(__LZO_HAVE_PTR_T) +# if defined(SIZEOF_CHAR_P) && defined(SIZEOF_UNSIGNED_SHORT) +# if (SIZEOF_CHAR_P == SIZEOF_UNSIGNED_SHORT) + typedef unsigned short lzo_ptr_t; + typedef short lzo_sptr_t; +# define __LZO_HAVE_PTR_T +# endif +# endif +#endif +#if !defined(__LZO_HAVE_PTR_T) +# if defined(LZO_HAVE_CONFIG_H) || defined(SIZEOF_CHAR_P) +# error "no suitable type for lzo_ptr_t" +# else + typedef unsigned long lzo_ptr_t; + typedef long lzo_sptr_t; +# define __LZO_HAVE_PTR_T +# endif +#endif + +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) +#define PTR(a) ((lzo_bytep) (a)) +#define PTR_ALIGNED_4(a) ((_FP_OFF(a) & 3) == 0) +#define PTR_ALIGNED2_4(a,b) (((_FP_OFF(a) | _FP_OFF(b)) & 3) == 0) +#else +#define PTR(a) ((lzo_ptr_t) (a)) +#define PTR_LINEAR(a) PTR(a) +#define PTR_ALIGNED_4(a) ((PTR_LINEAR(a) & 3) == 0) +#define PTR_ALIGNED_8(a) ((PTR_LINEAR(a) & 7) == 0) +#define PTR_ALIGNED2_4(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 3) == 0) +#define PTR_ALIGNED2_8(a,b) (((PTR_LINEAR(a) | PTR_LINEAR(b)) & 7) == 0) +#endif + +#define PTR_LT(a,b) (PTR(a) < PTR(b)) +#define PTR_GE(a,b) (PTR(a) >= PTR(b)) +#define PTR_DIFF(a,b) ((lzo_ptrdiff_t) (PTR(a) - PTR(b))) +#define pd(a,b) ((lzo_uint) ((a)-(b))) + +LZO_EXTERN(lzo_ptr_t) +__lzo_ptr_linear(const lzo_voidp ptr); + +typedef union +{ + char a_char; + unsigned char a_uchar; + short a_short; + unsigned short a_ushort; + int a_int; + unsigned int a_uint; + long a_long; + unsigned long a_ulong; + lzo_int a_lzo_int; + lzo_uint a_lzo_uint; + lzo_int32 a_lzo_int32; + lzo_uint32 a_lzo_uint32; + ptrdiff_t a_ptrdiff_t; + lzo_ptrdiff_t a_lzo_ptrdiff_t; + lzo_ptr_t a_lzo_ptr_t; + lzo_voidp a_lzo_voidp; + void * a_void_p; + lzo_bytep a_lzo_bytep; + lzo_bytepp a_lzo_bytepp; + lzo_uintp a_lzo_uintp; + lzo_uint * a_lzo_uint_p; + lzo_uint32p a_lzo_uint32p; + lzo_uint32 * a_lzo_uint32_p; + unsigned char * a_uchar_p; + char * a_char_p; +} +lzo_full_align_t; + +#ifdef __cplusplus +} +#endif + +#endif + +#define LZO_DETERMINISTIC + +#define LZO_DICT_USE_PTR +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) || defined(__LZO_STRICT_16BIT) +# undef LZO_DICT_USE_PTR +#endif + +#if defined(LZO_DICT_USE_PTR) +# define lzo_dict_t const lzo_bytep +# define lzo_dict_p lzo_dict_t __LZO_MMODEL * +#else +# define lzo_dict_t lzo_uint +# define lzo_dict_p lzo_dict_t __LZO_MMODEL * +#endif + +#if !defined(lzo_moff_t) +#define lzo_moff_t lzo_uint +#endif + +#endif + +LZO_PUBLIC(lzo_ptr_t) +__lzo_ptr_linear(const lzo_voidp ptr) +{ + lzo_ptr_t p; + +#if defined(__LZO_DOS16) || defined(__LZO_WIN16) + p = (((lzo_ptr_t)(_FP_SEG(ptr))) << (16 - __LZO_HShift)) + (_FP_OFF(ptr)); +#else + p = PTR_LINEAR(ptr); +#endif + + return p; +} + +LZO_PUBLIC(unsigned) +__lzo_align_gap(const lzo_voidp ptr, lzo_uint size) +{ + lzo_ptr_t p, s, n; + + assert(size > 0); + + p = __lzo_ptr_linear(ptr); + s = (lzo_ptr_t) (size - 1); +#if 0 + assert((size & (size - 1)) == 0); + n = ((p + s) & ~s) - p; +#else + n = (((p + s) / size) * size) - p; +#endif + + assert((long)n >= 0); + assert(n <= s); + + return (unsigned)n; +} + +#ifndef __LZO_UTIL_H +#define __LZO_UTIL_H + +#ifndef __LZO_CONF_H +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#if 1 && defined(HAVE_MEMCPY) +#if !defined(__LZO_DOS16) && !defined(__LZO_WIN16) + +#define MEMCPY8_DS(dest,src,len) \ + memcpy(dest,src,len); \ + dest += len; \ + src += len + +#endif +#endif + +#if 0 && !defined(MEMCPY8_DS) + +#define MEMCPY8_DS(dest,src,len) \ + { do { \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + len -= 8; \ + } while (len > 0); } + +#endif + +#if !defined(MEMCPY8_DS) + +#define MEMCPY8_DS(dest,src,len) \ + { register lzo_uint __l = (len) / 8; \ + do { \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + *dest++ = *src++; \ + } while (--__l > 0); } + +#endif + +#define MEMCPY_DS(dest,src,len) \ + do *dest++ = *src++; \ + while (--len > 0) + +#define MEMMOVE_DS(dest,src,len) \ + do *dest++ = *src++; \ + while (--len > 0) + +#if 0 && defined(LZO_OPTIMIZE_GNUC_i386) + +#define BZERO8_PTR(s,l,n) \ +__asm__ __volatile__( \ + "movl %0,%%eax \n" \ + "movl %1,%%edi \n" \ + "movl %2,%%ecx \n" \ + "cld \n" \ + "rep \n" \ + "stosl %%eax,(%%edi) \n" \ + : \ + :"g" (0),"g" (s),"g" (n) \ + :"eax","edi","ecx", "memory", "cc" \ +) + +#elif (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET) + +#if 1 +#define BZERO8_PTR(s,l,n) memset((s),0,(lzo_uint)(l)*(n)) +#else +#define BZERO8_PTR(s,l,n) memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) +#endif + +#else + +#define BZERO8_PTR(s,l,n) \ + lzo_memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) + +#endif + +#if 0 +#if defined(__GNUC__) && defined(__i386__) + +unsigned char lzo_rotr8(unsigned char value, int shift); +extern __inline__ unsigned char lzo_rotr8(unsigned char value, int shift) +{ + unsigned char result; + + __asm__ __volatile__ ("movb %b1, %b0; rorb %b2, %b0" + : "=a"(result) : "g"(value), "c"(shift)); + return result; +} + +unsigned short lzo_rotr16(unsigned short value, int shift); +extern __inline__ unsigned short lzo_rotr16(unsigned short value, int shift) +{ + unsigned short result; + + __asm__ __volatile__ ("movw %b1, %b0; rorw %b2, %b0" + : "=a"(result) : "g"(value), "c"(shift)); + return result; +} + +#endif +#endif + +#ifdef __cplusplus +} +#endif + +#endif + +LZO_PUBLIC(lzo_bool) +lzo_assert(int expr) +{ + return (expr) ? 1 : 0; +} + +/* If you use the LZO library in a product, you *must* keep this + * copyright string in the executable of your product. + */ + +const lzo_byte __lzo_copyright[] = +#if !defined(__LZO_IN_MINLZO) + LZO_VERSION_STRING; +#else + "\n\n\n" + "LZO real-time data compression library.\n" + "Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer\n" + "\n" + "http://www.oberhumer.com/opensource/lzo/\n" + "\n" + "LZO version: v" LZO_VERSION_STRING ", " LZO_VERSION_DATE "\n" + "LZO build date: " __DATE__ " " __TIME__ "\n\n" + "LZO special compilation options:\n" +#ifdef __cplusplus + " __cplusplus\n" +#endif +#if defined(__PIC__) + " __PIC__\n" +#elif defined(__pic__) + " __pic__\n" +#endif +#if (UINT_MAX < LZO_0xffffffffL) + " 16BIT\n" +#endif +#if defined(__LZO_STRICT_16BIT) + " __LZO_STRICT_16BIT\n" +#endif +#if (UINT_MAX > LZO_0xffffffffL) + " UINT_MAX=" _LZO_MEXPAND(UINT_MAX) "\n" +#endif +#if (ULONG_MAX > LZO_0xffffffffL) + " ULONG_MAX=" _LZO_MEXPAND(ULONG_MAX) "\n" +#endif +#if defined(LZO_BYTE_ORDER) + " LZO_BYTE_ORDER=" _LZO_MEXPAND(LZO_BYTE_ORDER) "\n" +#endif +#if defined(LZO_UNALIGNED_OK_2) + " LZO_UNALIGNED_OK_2\n" +#endif +#if defined(LZO_UNALIGNED_OK_4) + " LZO_UNALIGNED_OK_4\n" +#endif +#if defined(LZO_ALIGNED_OK_4) + " LZO_ALIGNED_OK_4\n" +#endif +#if defined(LZO_DICT_USE_PTR) + " LZO_DICT_USE_PTR\n" +#endif +#if defined(__LZO_QUERY_COMPRESS) + " __LZO_QUERY_COMPRESS\n" +#endif +#if defined(__LZO_QUERY_DECOMPRESS) + " __LZO_QUERY_DECOMPRESS\n" +#endif +#if defined(__LZO_IN_MINILZO) + " __LZO_IN_MINILZO\n" +#endif + "\n\n" + "$Id: LZO " LZO_VERSION_STRING " built " __DATE__ " " __TIME__ +#if defined(__GNUC__) && defined(__VERSION__) + " by gcc " __VERSION__ +#elif defined(__BORLANDC__) + " by Borland C " _LZO_MEXPAND(__BORLANDC__) +#elif defined(_MSC_VER) + " by Microsoft C " _LZO_MEXPAND(_MSC_VER) +#elif defined(__PUREC__) + " by Pure C " _LZO_MEXPAND(__PUREC__) +#elif defined(__SC__) + " by Symantec C " _LZO_MEXPAND(__SC__) +#elif defined(__TURBOC__) + " by Turbo C " _LZO_MEXPAND(__TURBOC__) +#elif defined(__WATCOMC__) + " by Watcom C " _LZO_MEXPAND(__WATCOMC__) +#endif + " $\n" + "$Copyright: LZO (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Markus Franz Xaver Johannes Oberhumer $\n"; +#endif + +LZO_PUBLIC(const lzo_byte *) +lzo_copyright(void) +{ + return __lzo_copyright; +} + +LZO_PUBLIC(unsigned) +lzo_version(void) +{ + return LZO_VERSION; +} + +LZO_PUBLIC(const char *) +lzo_version_string(void) +{ + return LZO_VERSION_STRING; +} + +LZO_PUBLIC(const char *) +lzo_version_date(void) +{ + return LZO_VERSION_DATE; +} + +LZO_PUBLIC(const lzo_charp) +_lzo_version_string(void) +{ + return LZO_VERSION_STRING; +} + +LZO_PUBLIC(const lzo_charp) +_lzo_version_date(void) +{ + return LZO_VERSION_DATE; +} + +#define LZO_BASE 65521u +#define LZO_NMAX 5552 + +#define LZO_DO1(buf,i) {s1 += buf[i]; s2 += s1;} +#define LZO_DO2(buf,i) LZO_DO1(buf,i); LZO_DO1(buf,i+1); +#define LZO_DO4(buf,i) LZO_DO2(buf,i); LZO_DO2(buf,i+2); +#define LZO_DO8(buf,i) LZO_DO4(buf,i); LZO_DO4(buf,i+4); +#define LZO_DO16(buf,i) LZO_DO8(buf,i); LZO_DO8(buf,i+8); + +LZO_PUBLIC(lzo_uint32) +lzo_adler32(lzo_uint32 adler, const lzo_byte *buf, lzo_uint len) +{ + lzo_uint32 s1 = adler & 0xffff; + lzo_uint32 s2 = (adler >> 16) & 0xffff; + int k; + + if (buf == NULL) + return 1; + + while (len > 0) + { + k = len < LZO_NMAX ? (int) len : LZO_NMAX; + len -= k; + if (k >= 16) do + { + LZO_DO16(buf,0); + buf += 16; + k -= 16; + } while (k >= 16); + if (k != 0) do + { + s1 += *buf++; + s2 += s1; + } while (--k > 0); + s1 %= LZO_BASE; + s2 %= LZO_BASE; + } + return (s2 << 16) | s1; +} + +LZO_PUBLIC(int) +lzo_memcmp(const lzo_voidp s1, const lzo_voidp s2, lzo_uint len) +{ +#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCMP) + return memcmp(s1,s2,len); +#else + const lzo_byte *p1 = (const lzo_byte *) s1; + const lzo_byte *p2 = (const lzo_byte *) s2; + int d; + + if (len > 0) do + { + d = *p1 - *p2; + if (d != 0) + return d; + p1++; + p2++; + } + while (--len > 0); + return 0; +#endif +} + +LZO_PUBLIC(lzo_voidp) +lzo_memcpy(lzo_voidp dest, const lzo_voidp src, lzo_uint len) +{ +#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCPY) + return memcpy(dest,src,len); +#else + lzo_byte *p1 = (lzo_byte *) dest; + const lzo_byte *p2 = (const lzo_byte *) src; + + if (len <= 0 || p1 == p2) + return dest; + do + *p1++ = *p2++; + while (--len > 0); + return dest; +#endif +} + +LZO_PUBLIC(lzo_voidp) +lzo_memmove(lzo_voidp dest, const lzo_voidp src, lzo_uint len) +{ +#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMMOVE) + return memmove(dest,src,len); +#else + lzo_byte *p1 = (lzo_byte *) dest; + const lzo_byte *p2 = (const lzo_byte *) src; + + if (len <= 0 || p1 == p2) + return dest; + + if (p1 < p2) + { + do + *p1++ = *p2++; + while (--len > 0); + } + else + { + p1 += len; + p2 += len; + do + *--p1 = *--p2; + while (--len > 0); + } + return dest; +#endif +} + +LZO_PUBLIC(lzo_voidp) +lzo_memset(lzo_voidp s, int c, lzo_uint len) +{ +#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET) + return memset(s,c,len); +#else + lzo_byte *p = (lzo_byte *) s; + + if (len > 0) do + *p++ = LZO_BYTE(c); + while (--len > 0); + return s; +#endif +} + +#if 0 +# define IS_SIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) < 0) +# define IS_UNSIGNED(type) (((type) (1ul << (8 * sizeof(type) - 1))) > 0) +#else +# define IS_SIGNED(type) (((type) (-1)) < ((type) 0)) +# define IS_UNSIGNED(type) (((type) (-1)) > ((type) 0)) +#endif + +#define IS_POWER_OF_2(x) (((x) & ((x) - 1)) == 0) + +static lzo_bool schedule_insns_bug(void); +static lzo_bool strength_reduce_bug(int *); + +#if 0 || defined(LZO_DEBUG) +#include +static lzo_bool __lzo_assert_fail(const char *s, unsigned line) +{ +#if defined(__palmos__) + printf("LZO assertion failed in line %u: '%s'\n",line,s); +#else + fprintf(stderr,"LZO assertion failed in line %u: '%s'\n",line,s); +#endif + return 0; +} +# define __lzo_assert(x) ((x) ? 1 : __lzo_assert_fail(#x,__LINE__)) +#else +# define __lzo_assert(x) ((x) ? 1 : 0) +#endif + +#undef COMPILE_TIME_ASSERT +#if 0 +# define COMPILE_TIME_ASSERT(expr) r &= __lzo_assert(expr) +#else +# define COMPILE_TIME_ASSERT(expr) LZO_COMPILE_TIME_ASSERT(expr) +#endif + +static lzo_bool basic_integral_check(void) +{ + lzo_bool r = 1; + + COMPILE_TIME_ASSERT(CHAR_BIT == 8); + COMPILE_TIME_ASSERT(sizeof(char) == 1); + COMPILE_TIME_ASSERT(sizeof(short) >= 2); + COMPILE_TIME_ASSERT(sizeof(long) >= 4); + COMPILE_TIME_ASSERT(sizeof(int) >= sizeof(short)); + COMPILE_TIME_ASSERT(sizeof(long) >= sizeof(int)); + + COMPILE_TIME_ASSERT(sizeof(lzo_uint) == sizeof(lzo_int)); + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == sizeof(lzo_int32)); + + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= 4); + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) >= sizeof(unsigned)); +#if defined(__LZO_STRICT_16BIT) + COMPILE_TIME_ASSERT(sizeof(lzo_uint) == 2); +#else + COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= 4); + COMPILE_TIME_ASSERT(sizeof(lzo_uint) >= sizeof(unsigned)); +#endif + +#if (USHRT_MAX == 65535u) + COMPILE_TIME_ASSERT(sizeof(short) == 2); +#elif (USHRT_MAX == LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(short) == 4); +#elif (USHRT_MAX >= LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(short) > 4); +#endif +#if (UINT_MAX == 65535u) + COMPILE_TIME_ASSERT(sizeof(int) == 2); +#elif (UINT_MAX == LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(int) == 4); +#elif (UINT_MAX >= LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(int) > 4); +#endif +#if (ULONG_MAX == 65535ul) + COMPILE_TIME_ASSERT(sizeof(long) == 2); +#elif (ULONG_MAX == LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(long) == 4); +#elif (ULONG_MAX >= LZO_0xffffffffL) + COMPILE_TIME_ASSERT(sizeof(long) > 4); +#endif + +#if defined(SIZEOF_UNSIGNED) + COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED == sizeof(unsigned)); +#endif +#if defined(SIZEOF_UNSIGNED_LONG) + COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_LONG == sizeof(unsigned long)); +#endif +#if defined(SIZEOF_UNSIGNED_SHORT) + COMPILE_TIME_ASSERT(SIZEOF_UNSIGNED_SHORT == sizeof(unsigned short)); +#endif +#if !defined(__LZO_IN_MINILZO) +#if defined(SIZEOF_SIZE_T) + COMPILE_TIME_ASSERT(SIZEOF_SIZE_T == sizeof(size_t)); +#endif +#endif + + COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned char)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned short)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(unsigned long)); + COMPILE_TIME_ASSERT(IS_SIGNED(short)); + COMPILE_TIME_ASSERT(IS_SIGNED(int)); + COMPILE_TIME_ASSERT(IS_SIGNED(long)); + + COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint32)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_uint)); + COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int32)); + COMPILE_TIME_ASSERT(IS_SIGNED(lzo_int)); + + COMPILE_TIME_ASSERT(INT_MAX == LZO_STYPE_MAX(sizeof(int))); + COMPILE_TIME_ASSERT(UINT_MAX == LZO_UTYPE_MAX(sizeof(unsigned))); + COMPILE_TIME_ASSERT(LONG_MAX == LZO_STYPE_MAX(sizeof(long))); + COMPILE_TIME_ASSERT(ULONG_MAX == LZO_UTYPE_MAX(sizeof(unsigned long))); + COMPILE_TIME_ASSERT(SHRT_MAX == LZO_STYPE_MAX(sizeof(short))); + COMPILE_TIME_ASSERT(USHRT_MAX == LZO_UTYPE_MAX(sizeof(unsigned short))); + COMPILE_TIME_ASSERT(LZO_UINT32_MAX == LZO_UTYPE_MAX(sizeof(lzo_uint32))); + COMPILE_TIME_ASSERT(LZO_UINT_MAX == LZO_UTYPE_MAX(sizeof(lzo_uint))); +#if !defined(__LZO_IN_MINILZO) + COMPILE_TIME_ASSERT(SIZE_T_MAX == LZO_UTYPE_MAX(sizeof(size_t))); +#endif + + r &= __lzo_assert(LZO_BYTE(257) == 1); + + return r; +} + +static lzo_bool basic_ptr_check(void) +{ + lzo_bool r = 1; + + COMPILE_TIME_ASSERT(sizeof(char *) >= sizeof(int)); + COMPILE_TIME_ASSERT(sizeof(lzo_byte *) >= sizeof(char *)); + + COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_byte *)); + COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_voidpp)); + COMPILE_TIME_ASSERT(sizeof(lzo_voidp) == sizeof(lzo_bytepp)); + COMPILE_TIME_ASSERT(sizeof(lzo_voidp) >= sizeof(lzo_uint)); + + COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_voidp)); + COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) == sizeof(lzo_sptr_t)); + COMPILE_TIME_ASSERT(sizeof(lzo_ptr_t) >= sizeof(lzo_uint)); + + COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= 4); + COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(ptrdiff_t)); + + COMPILE_TIME_ASSERT(sizeof(ptrdiff_t) >= sizeof(size_t)); + COMPILE_TIME_ASSERT(sizeof(lzo_ptrdiff_t) >= sizeof(lzo_uint)); + +#if defined(SIZEOF_CHAR_P) + COMPILE_TIME_ASSERT(SIZEOF_CHAR_P == sizeof(char *)); +#endif +#if defined(SIZEOF_PTRDIFF_T) + COMPILE_TIME_ASSERT(SIZEOF_PTRDIFF_T == sizeof(ptrdiff_t)); +#endif + + COMPILE_TIME_ASSERT(IS_SIGNED(ptrdiff_t)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(size_t)); + COMPILE_TIME_ASSERT(IS_SIGNED(lzo_ptrdiff_t)); + COMPILE_TIME_ASSERT(IS_SIGNED(lzo_sptr_t)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_ptr_t)); + COMPILE_TIME_ASSERT(IS_UNSIGNED(lzo_moff_t)); + + return r; +} + +static lzo_bool ptr_check(void) +{ + lzo_bool r = 1; + int i; + char _wrkmem[10 * sizeof(lzo_byte *) + sizeof(lzo_full_align_t)]; + lzo_bytep wrkmem; + lzo_bytepp dict; + unsigned char x[4 * sizeof(lzo_full_align_t)]; + long d; + lzo_full_align_t a; + lzo_full_align_t u; + + for (i = 0; i < (int) sizeof(x); i++) + x[i] = LZO_BYTE(i); + + wrkmem = LZO_PTR_ALIGN_UP((lzo_byte *)_wrkmem,sizeof(lzo_full_align_t)); + +#if 0 + dict = (lzo_bytepp) wrkmem; +#else + + u.a_lzo_bytep = wrkmem; dict = u.a_lzo_bytepp; +#endif + + d = (long) ((const lzo_bytep) dict - (const lzo_bytep) _wrkmem); + r &= __lzo_assert(d >= 0); + r &= __lzo_assert(d < (long) sizeof(lzo_full_align_t)); + + memset(&a,0,sizeof(a)); + r &= __lzo_assert(a.a_lzo_voidp == NULL); + + memset(&a,0xff,sizeof(a)); + r &= __lzo_assert(a.a_ushort == USHRT_MAX); + r &= __lzo_assert(a.a_uint == UINT_MAX); + r &= __lzo_assert(a.a_ulong == ULONG_MAX); + r &= __lzo_assert(a.a_lzo_uint == LZO_UINT_MAX); + r &= __lzo_assert(a.a_lzo_uint32 == LZO_UINT32_MAX); + + if (r == 1) + { + for (i = 0; i < 8; i++) + r &= __lzo_assert((const lzo_voidp) (&dict[i]) == (const lzo_voidp) (&wrkmem[i * sizeof(lzo_byte *)])); + } + + memset(&a,0,sizeof(a)); + r &= __lzo_assert(a.a_char_p == NULL); + r &= __lzo_assert(a.a_lzo_bytep == NULL); + r &= __lzo_assert(NULL == (void *)0); + if (r == 1) + { + for (i = 0; i < 10; i++) + dict[i] = wrkmem; + BZERO8_PTR(dict+1,sizeof(dict[0]),8); + r &= __lzo_assert(dict[0] == wrkmem); + for (i = 1; i < 9; i++) + r &= __lzo_assert(dict[i] == NULL); + r &= __lzo_assert(dict[9] == wrkmem); + } + + if (r == 1) + { + unsigned k = 1; + const unsigned n = (unsigned) sizeof(lzo_uint32); + lzo_byte *p0; + lzo_byte *p1; + + k += __lzo_align_gap(&x[k],n); + p0 = (lzo_bytep) &x[k]; +#if defined(PTR_LINEAR) + r &= __lzo_assert((PTR_LINEAR(p0) & (n-1)) == 0); +#else + r &= __lzo_assert(n == 4); + r &= __lzo_assert(PTR_ALIGNED_4(p0)); +#endif + + r &= __lzo_assert(k >= 1); + p1 = (lzo_bytep) &x[1]; + r &= __lzo_assert(PTR_GE(p0,p1)); + + r &= __lzo_assert(k < 1+n); + p1 = (lzo_bytep) &x[1+n]; + r &= __lzo_assert(PTR_LT(p0,p1)); + + if (r == 1) + { + lzo_uint32 v0, v1; +#if 0 + v0 = * (lzo_uint32 *) &x[k]; + v1 = * (lzo_uint32 *) &x[k+n]; +#else + + u.a_uchar_p = &x[k]; + v0 = *u.a_lzo_uint32_p; + u.a_uchar_p = &x[k+n]; + v1 = *u.a_lzo_uint32_p; +#endif + r &= __lzo_assert(v0 > 0); + r &= __lzo_assert(v1 > 0); + } + } + + return r; +} + +LZO_PUBLIC(int) +_lzo_config_check(void) +{ + lzo_bool r = 1; + int i; + union { + lzo_uint32 a; + unsigned short b; + lzo_uint32 aa[4]; + unsigned char x[4*sizeof(lzo_full_align_t)]; + } u; + + COMPILE_TIME_ASSERT( (int) ((unsigned char) ((signed char) -1)) == 255); + COMPILE_TIME_ASSERT( (((unsigned char)128) << (int)(8*sizeof(int)-8)) < 0); + +#if 0 + r &= __lzo_assert((const void *)&u == (const void *)&u.a); + r &= __lzo_assert((const void *)&u == (const void *)&u.b); + r &= __lzo_assert((const void *)&u == (const void *)&u.x[0]); + r &= __lzo_assert((const void *)&u == (const void *)&u.aa[0]); +#endif + + r &= basic_integral_check(); + r &= basic_ptr_check(); + if (r != 1) + return LZO_E_ERROR; + + u.a = 0; u.b = 0; + for (i = 0; i < (int) sizeof(u.x); i++) + u.x[i] = LZO_BYTE(i); + +#if defined(LZO_BYTE_ORDER) + if (r == 1) + { +# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + lzo_uint32 a = (lzo_uint32) (u.a & LZO_0xffffffffL); + unsigned short b = (unsigned short) (u.b & 0xffff); + r &= __lzo_assert(a == 0x03020100L); + r &= __lzo_assert(b == 0x0100); +# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) + lzo_uint32 a = u.a >> (8 * sizeof(u.a) - 32); + unsigned short b = u.b >> (8 * sizeof(u.b) - 16); + r &= __lzo_assert(a == 0x00010203L); + r &= __lzo_assert(b == 0x0001); +# else +# error "invalid LZO_BYTE_ORDER" +# endif + } +#endif + +#if defined(LZO_UNALIGNED_OK_2) + COMPILE_TIME_ASSERT(sizeof(short) == 2); + if (r == 1) + { + unsigned short b[4]; + + for (i = 0; i < 4; i++) + b[i] = * (const unsigned short *) &u.x[i]; + +# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + r &= __lzo_assert(b[0] == 0x0100); + r &= __lzo_assert(b[1] == 0x0201); + r &= __lzo_assert(b[2] == 0x0302); + r &= __lzo_assert(b[3] == 0x0403); +# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) + r &= __lzo_assert(b[0] == 0x0001); + r &= __lzo_assert(b[1] == 0x0102); + r &= __lzo_assert(b[2] == 0x0203); + r &= __lzo_assert(b[3] == 0x0304); +# endif + } +#endif + +#if defined(LZO_UNALIGNED_OK_4) + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4); + if (r == 1) + { + lzo_uint32 a[4]; + + for (i = 0; i < 4; i++) + a[i] = * (const lzo_uint32 *) &u.x[i]; + +# if (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + r &= __lzo_assert(a[0] == 0x03020100L); + r &= __lzo_assert(a[1] == 0x04030201L); + r &= __lzo_assert(a[2] == 0x05040302L); + r &= __lzo_assert(a[3] == 0x06050403L); +# elif (LZO_BYTE_ORDER == LZO_BIG_ENDIAN) + r &= __lzo_assert(a[0] == 0x00010203L); + r &= __lzo_assert(a[1] == 0x01020304L); + r &= __lzo_assert(a[2] == 0x02030405L); + r &= __lzo_assert(a[3] == 0x03040506L); +# endif + } +#endif + +#if defined(LZO_ALIGNED_OK_4) + COMPILE_TIME_ASSERT(sizeof(lzo_uint32) == 4); +#endif + + COMPILE_TIME_ASSERT(lzo_sizeof_dict_t == sizeof(lzo_dict_t)); + +#if defined(__LZO_IN_MINLZO) + if (r == 1) + { + lzo_uint32 adler; + adler = lzo_adler32(0, NULL, 0); + adler = lzo_adler32(adler, lzo_copyright(), 200); + r &= __lzo_assert(adler == 0xc76f1751L); + } +#endif + + if (r == 1) + { + r &= __lzo_assert(!schedule_insns_bug()); + } + + if (r == 1) + { + static int x[3]; + static unsigned xn = 3; + register unsigned j; + + for (j = 0; j < xn; j++) + x[j] = (int)j - 3; + r &= __lzo_assert(!strength_reduce_bug(x)); + } + + if (r == 1) + { + r &= ptr_check(); + } + + return r == 1 ? LZO_E_OK : LZO_E_ERROR; +} + +static lzo_bool schedule_insns_bug(void) +{ +#if defined(__LZO_CHECKER) + return 0; +#else + const int clone[] = {1, 2, 0}; + const int *q; + q = clone; + return (*q) ? 0 : 1; +#endif +} + +static lzo_bool strength_reduce_bug(int *x) +{ + return x[0] != -3 || x[1] != -2 || x[2] != -1; +} + +#undef COMPILE_TIME_ASSERT + +int __lzo_init_done = 0; + +LZO_PUBLIC(int) +__lzo_init2(unsigned v, int s1, int s2, int s3, int s4, int s5, + int s6, int s7, int s8, int s9) +{ + int r; + + __lzo_init_done = 1; + + if (v == 0) + return LZO_E_ERROR; + + r = (s1 == -1 || s1 == (int) sizeof(short)) && + (s2 == -1 || s2 == (int) sizeof(int)) && + (s3 == -1 || s3 == (int) sizeof(long)) && + (s4 == -1 || s4 == (int) sizeof(lzo_uint32)) && + (s5 == -1 || s5 == (int) sizeof(lzo_uint)) && + (s6 == -1 || s6 == (int) lzo_sizeof_dict_t) && + (s7 == -1 || s7 == (int) sizeof(char *)) && + (s8 == -1 || s8 == (int) sizeof(lzo_voidp)) && + (s9 == -1 || s9 == (int) sizeof(lzo_compress_t)); + if (!r) + return LZO_E_ERROR; + + r = _lzo_config_check(); + if (r != LZO_E_OK) + return r; + + return r; +} + +#if !defined(__LZO_IN_MINILZO) + +LZO_EXTERN(int) +__lzo_init(unsigned v,int s1,int s2,int s3,int s4,int s5,int s6,int s7); + +LZO_PUBLIC(int) +__lzo_init(unsigned v,int s1,int s2,int s3,int s4,int s5,int s6,int s7) +{ + if (v == 0 || v > 0x1010) + return LZO_E_ERROR; + return __lzo_init2(v,s1,s2,s3,s4,s5,-1,-1,s6,s7); +} + +#endif + +#define do_compress _lzo1x_1_do_compress + +#define LZO_NEED_DICT_H +#define D_BITS 14 +#define D_INDEX1(d,p) d = DM((0x21*DX3(p,5,5,6)) >> 5) +#define D_INDEX2(d,p) d = (d & (D_MASK & 0x7ff)) ^ (D_HIGH | 0x1f) + +#ifndef __LZO_CONFIG1X_H +#define __LZO_CONFIG1X_H + +#if !defined(LZO1X) && !defined(LZO1Y) && !defined(LZO1Z) +# define LZO1X +#endif + +#if !defined(__LZO_IN_MINILZO) +#include +#endif + +#define LZO_EOF_CODE +#undef LZO_DETERMINISTIC + +#define M1_MAX_OFFSET 0x0400 +#ifndef M2_MAX_OFFSET +#define M2_MAX_OFFSET 0x0800 +#endif +#define M3_MAX_OFFSET 0x4000 +#define M4_MAX_OFFSET 0xbfff + +#define MX_MAX_OFFSET (M1_MAX_OFFSET + M2_MAX_OFFSET) + +#define M1_MIN_LEN 2 +#define M1_MAX_LEN 2 +#define M2_MIN_LEN 3 +#ifndef M2_MAX_LEN +#define M2_MAX_LEN 8 +#endif +#define M3_MIN_LEN 3 +#define M3_MAX_LEN 33 +#define M4_MIN_LEN 3 +#define M4_MAX_LEN 9 + +#define M1_MARKER 0 +#define M2_MARKER 64 +#define M3_MARKER 32 +#define M4_MARKER 16 + +#ifndef MIN_LOOKAHEAD +#define MIN_LOOKAHEAD (M2_MAX_LEN + 1) +#endif + +#if defined(LZO_NEED_DICT_H) + +#ifndef LZO_HASH +#define LZO_HASH LZO_HASH_LZO_INCREMENTAL_B +#endif +#define DL_MIN_LEN M2_MIN_LEN + +#ifndef __LZO_DICT_H +#define __LZO_DICT_H + +#ifdef __cplusplus +extern "C" { +#endif + +#if !defined(D_BITS) && defined(DBITS) +# define D_BITS DBITS +#endif +#if !defined(D_BITS) +# error "D_BITS is not defined" +#endif +#if (D_BITS < 16) +# define D_SIZE LZO_SIZE(D_BITS) +# define D_MASK LZO_MASK(D_BITS) +#else +# define D_SIZE LZO_USIZE(D_BITS) +# define D_MASK LZO_UMASK(D_BITS) +#endif +#define D_HIGH ((D_MASK >> 1) + 1) + +#if !defined(DD_BITS) +# define DD_BITS 0 +#endif +#define DD_SIZE LZO_SIZE(DD_BITS) +#define DD_MASK LZO_MASK(DD_BITS) + +#if !defined(DL_BITS) +# define DL_BITS (D_BITS - DD_BITS) +#endif +#if (DL_BITS < 16) +# define DL_SIZE LZO_SIZE(DL_BITS) +# define DL_MASK LZO_MASK(DL_BITS) +#else +# define DL_SIZE LZO_USIZE(DL_BITS) +# define DL_MASK LZO_UMASK(DL_BITS) +#endif + +#if (D_BITS != DL_BITS + DD_BITS) +# error "D_BITS does not match" +#endif +#if (D_BITS < 8 || D_BITS > 18) +# error "invalid D_BITS" +#endif +#if (DL_BITS < 8 || DL_BITS > 20) +# error "invalid DL_BITS" +#endif +#if (DD_BITS < 0 || DD_BITS > 6) +# error "invalid DD_BITS" +#endif + +#if !defined(DL_MIN_LEN) +# define DL_MIN_LEN 3 +#endif +#if !defined(DL_SHIFT) +# define DL_SHIFT ((DL_BITS + (DL_MIN_LEN - 1)) / DL_MIN_LEN) +#endif + +#define LZO_HASH_GZIP 1 +#define LZO_HASH_GZIP_INCREMENTAL 2 +#define LZO_HASH_LZO_INCREMENTAL_A 3 +#define LZO_HASH_LZO_INCREMENTAL_B 4 + +#if !defined(LZO_HASH) +# error "choose a hashing strategy" +#endif + +#if (DL_MIN_LEN == 3) +# define _DV2_A(p,shift1,shift2) \ + (((( (lzo_uint32)((p)[0]) << shift1) ^ (p)[1]) << shift2) ^ (p)[2]) +# define _DV2_B(p,shift1,shift2) \ + (((( (lzo_uint32)((p)[2]) << shift1) ^ (p)[1]) << shift2) ^ (p)[0]) +# define _DV3_B(p,shift1,shift2,shift3) \ + ((_DV2_B((p)+1,shift1,shift2) << (shift3)) ^ (p)[0]) +#elif (DL_MIN_LEN == 2) +# define _DV2_A(p,shift1,shift2) \ + (( (lzo_uint32)(p[0]) << shift1) ^ p[1]) +# define _DV2_B(p,shift1,shift2) \ + (( (lzo_uint32)(p[1]) << shift1) ^ p[2]) +#else +# error "invalid DL_MIN_LEN" +#endif +#define _DV_A(p,shift) _DV2_A(p,shift,shift) +#define _DV_B(p,shift) _DV2_B(p,shift,shift) +#define DA2(p,s1,s2) \ + (((((lzo_uint32)((p)[2]) << (s2)) + (p)[1]) << (s1)) + (p)[0]) +#define DS2(p,s1,s2) \ + (((((lzo_uint32)((p)[2]) << (s2)) - (p)[1]) << (s1)) - (p)[0]) +#define DX2(p,s1,s2) \ + (((((lzo_uint32)((p)[2]) << (s2)) ^ (p)[1]) << (s1)) ^ (p)[0]) +#define DA3(p,s1,s2,s3) ((DA2((p)+1,s2,s3) << (s1)) + (p)[0]) +#define DS3(p,s1,s2,s3) ((DS2((p)+1,s2,s3) << (s1)) - (p)[0]) +#define DX3(p,s1,s2,s3) ((DX2((p)+1,s2,s3) << (s1)) ^ (p)[0]) +#define DMS(v,s) ((lzo_uint) (((v) & (D_MASK >> (s))) << (s))) +#define DM(v) DMS(v,0) + +#if (LZO_HASH == LZO_HASH_GZIP) +# define _DINDEX(dv,p) (_DV_A((p),DL_SHIFT)) + +#elif (LZO_HASH == LZO_HASH_GZIP_INCREMENTAL) +# define __LZO_HASH_INCREMENTAL +# define DVAL_FIRST(dv,p) dv = _DV_A((p),DL_SHIFT) +# define DVAL_NEXT(dv,p) dv = (((dv) << DL_SHIFT) ^ p[2]) +# define _DINDEX(dv,p) (dv) +# define DVAL_LOOKAHEAD DL_MIN_LEN + +#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_A) +# define __LZO_HASH_INCREMENTAL +# define DVAL_FIRST(dv,p) dv = _DV_A((p),5) +# define DVAL_NEXT(dv,p) \ + dv ^= (lzo_uint32)(p[-1]) << (2*5); dv = (((dv) << 5) ^ p[2]) +# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5) +# define DVAL_LOOKAHEAD DL_MIN_LEN + +#elif (LZO_HASH == LZO_HASH_LZO_INCREMENTAL_B) +# define __LZO_HASH_INCREMENTAL +# define DVAL_FIRST(dv,p) dv = _DV_B((p),5) +# define DVAL_NEXT(dv,p) \ + dv ^= p[-1]; dv = (((dv) >> 5) ^ ((lzo_uint32)(p[2]) << (2*5))) +# define _DINDEX(dv,p) ((0x9f5f * (dv)) >> 5) +# define DVAL_LOOKAHEAD DL_MIN_LEN + +#else +# error "choose a hashing strategy" +#endif + +#ifndef DINDEX +#define DINDEX(dv,p) ((lzo_uint)((_DINDEX(dv,p)) & DL_MASK) << DD_BITS) +#endif +#if !defined(DINDEX1) && defined(D_INDEX1) +#define DINDEX1 D_INDEX1 +#endif +#if !defined(DINDEX2) && defined(D_INDEX2) +#define DINDEX2 D_INDEX2 +#endif + +#if !defined(__LZO_HASH_INCREMENTAL) +# define DVAL_FIRST(dv,p) ((void) 0) +# define DVAL_NEXT(dv,p) ((void) 0) +# define DVAL_LOOKAHEAD 0 +#endif + +#if !defined(DVAL_ASSERT) +#if defined(__LZO_HASH_INCREMENTAL) && !defined(NDEBUG) +static void DVAL_ASSERT(lzo_uint32 dv, const lzo_byte *p) +{ + lzo_uint32 df; + DVAL_FIRST(df,(p)); + assert(DINDEX(dv,p) == DINDEX(df,p)); +} +#else +# define DVAL_ASSERT(dv,p) ((void) 0) +#endif +#endif + +#if defined(LZO_DICT_USE_PTR) +# define DENTRY(p,in) (p) +# define GINDEX(m_pos,m_off,dict,dindex,in) m_pos = dict[dindex] +#else +# define DENTRY(p,in) ((lzo_uint) ((p)-(in))) +# define GINDEX(m_pos,m_off,dict,dindex,in) m_off = dict[dindex] +#endif + +#if (DD_BITS == 0) + +# define UPDATE_D(dict,drun,dv,p,in) dict[ DINDEX(dv,p) ] = DENTRY(p,in) +# define UPDATE_I(dict,drun,index,p,in) dict[index] = DENTRY(p,in) +# define UPDATE_P(ptr,drun,p,in) (ptr)[0] = DENTRY(p,in) + +#else + +# define UPDATE_D(dict,drun,dv,p,in) \ + dict[ DINDEX(dv,p) + drun++ ] = DENTRY(p,in); drun &= DD_MASK +# define UPDATE_I(dict,drun,index,p,in) \ + dict[ (index) + drun++ ] = DENTRY(p,in); drun &= DD_MASK +# define UPDATE_P(ptr,drun,p,in) \ + (ptr) [ drun++ ] = DENTRY(p,in); drun &= DD_MASK + +#endif + +#if defined(LZO_DICT_USE_PTR) + +#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \ + (m_pos == NULL || (m_off = (lzo_moff_t) (ip - m_pos)) > max_offset) + +#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \ + (BOUNDS_CHECKING_OFF_IN_EXPR( \ + (PTR_LT(m_pos,in) || \ + (m_off = (lzo_moff_t) PTR_DIFF(ip,m_pos)) <= 0 || \ + m_off > max_offset) )) + +#else + +#define LZO_CHECK_MPOS_DET(m_pos,m_off,in,ip,max_offset) \ + (m_off == 0 || \ + ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \ + (m_pos = (ip) - (m_off), 0) ) + +#define LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,max_offset) \ + ((lzo_moff_t) ((ip)-(in)) <= m_off || \ + ((m_off = (lzo_moff_t) ((ip)-(in)) - m_off) > max_offset) || \ + (m_pos = (ip) - (m_off), 0) ) + +#endif + +#if defined(LZO_DETERMINISTIC) +# define LZO_CHECK_MPOS LZO_CHECK_MPOS_DET +#else +# define LZO_CHECK_MPOS LZO_CHECK_MPOS_NON_DET +#endif + +#ifdef __cplusplus +} +#endif + +#endif + +#endif + +#endif + +#define DO_COMPRESS lzo1x_1_compress + +static +lzo_uint do_compress ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uintp out_len, + lzo_voidp wrkmem ) +{ +#if 0 && defined(__GNUC__) && defined(__i386__) + register const lzo_byte *ip __asm__("%esi"); +#else + register const lzo_byte *ip; +#endif + lzo_byte *op; + const lzo_byte * const in_end = in + in_len; + const lzo_byte * const ip_end = in + in_len - M2_MAX_LEN - 5; + const lzo_byte *ii; + lzo_dict_p const dict = (lzo_dict_p) wrkmem; + + op = out; + ip = in; + ii = ip; + + ip += 4; + for (;;) + { +#if 0 && defined(__GNUC__) && defined(__i386__) + register const lzo_byte *m_pos __asm__("%edi"); +#else + register const lzo_byte *m_pos; +#endif + lzo_moff_t m_off; + lzo_uint m_len; + lzo_uint dindex; + + DINDEX1(dindex,ip); + GINDEX(m_pos,m_off,dict,dindex,in); + if (LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,M4_MAX_OFFSET)) + goto literal; +#if 1 + if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3]) + goto try_match; + DINDEX2(dindex,ip); +#endif + GINDEX(m_pos,m_off,dict,dindex,in); + if (LZO_CHECK_MPOS_NON_DET(m_pos,m_off,in,ip,M4_MAX_OFFSET)) + goto literal; + if (m_off <= M2_MAX_OFFSET || m_pos[3] == ip[3]) + goto try_match; + goto literal; + +try_match: +#if 1 && defined(LZO_UNALIGNED_OK_2) + if (* (const lzo_ushortp) m_pos != * (const lzo_ushortp) ip) +#else + if (m_pos[0] != ip[0] || m_pos[1] != ip[1]) +#endif + { + } + else + { + if (m_pos[2] == ip[2]) + { +#if 0 + if (m_off <= M2_MAX_OFFSET) + goto match; + if (lit <= 3) + goto match; + if (lit == 3) + { + assert(op - 2 > out); op[-2] |= LZO_BYTE(3); + *op++ = *ii++; *op++ = *ii++; *op++ = *ii++; + goto code_match; + } + if (m_pos[3] == ip[3]) +#endif + goto match; + } + else + { +#if 0 +#if 0 + if (m_off <= M1_MAX_OFFSET && lit > 0 && lit <= 3) +#else + if (m_off <= M1_MAX_OFFSET && lit == 3) +#endif + { + register lzo_uint t; + + t = lit; + assert(op - 2 > out); op[-2] |= LZO_BYTE(t); + do *op++ = *ii++; while (--t > 0); + assert(ii == ip); + m_off -= 1; + *op++ = LZO_BYTE(M1_MARKER | ((m_off & 3) << 2)); + *op++ = LZO_BYTE(m_off >> 2); + ip += 2; + goto match_done; + } +#endif + } + } + +literal: + UPDATE_I(dict,0,dindex,ip,in); + ++ip; + if (ip >= ip_end) + break; + continue; + +match: + UPDATE_I(dict,0,dindex,ip,in); + if (pd(ip,ii) > 0) + { + register lzo_uint t = pd(ip,ii); + + if (t <= 3) + { + assert(op - 2 > out); + op[-2] |= LZO_BYTE(t); + } + else if (t <= 18) + *op++ = LZO_BYTE(t - 3); + else + { + register lzo_uint tt = t - 18; + + *op++ = 0; + while (tt > 255) + { + tt -= 255; + *op++ = 0; + } + assert(tt > 0); + *op++ = LZO_BYTE(tt); + } + do *op++ = *ii++; while (--t > 0); + } + + assert(ii == ip); + ip += 3; + if (m_pos[3] != *ip++ || m_pos[4] != *ip++ || m_pos[5] != *ip++ || + m_pos[6] != *ip++ || m_pos[7] != *ip++ || m_pos[8] != *ip++ +#ifdef LZO1Y + || m_pos[ 9] != *ip++ || m_pos[10] != *ip++ || m_pos[11] != *ip++ + || m_pos[12] != *ip++ || m_pos[13] != *ip++ || m_pos[14] != *ip++ +#endif + ) + { + --ip; + m_len = ip - ii; + assert(m_len >= 3); assert(m_len <= M2_MAX_LEN); + + if (m_off <= M2_MAX_OFFSET) + { + m_off -= 1; +#if defined(LZO1X) + *op++ = LZO_BYTE(((m_len - 1) << 5) | ((m_off & 7) << 2)); + *op++ = LZO_BYTE(m_off >> 3); +#elif defined(LZO1Y) + *op++ = LZO_BYTE(((m_len + 1) << 4) | ((m_off & 3) << 2)); + *op++ = LZO_BYTE(m_off >> 2); +#endif + } + else if (m_off <= M3_MAX_OFFSET) + { + m_off -= 1; + *op++ = LZO_BYTE(M3_MARKER | (m_len - 2)); + goto m3_m4_offset; + } + else +#if defined(LZO1X) + { + m_off -= 0x4000; + assert(m_off > 0); assert(m_off <= 0x7fff); + *op++ = LZO_BYTE(M4_MARKER | + ((m_off & 0x4000) >> 11) | (m_len - 2)); + goto m3_m4_offset; + } +#elif defined(LZO1Y) + goto m4_match; +#endif + } + else + { + { + const lzo_byte *end = in_end; + const lzo_byte *m = m_pos + M2_MAX_LEN + 1; + while (ip < end && *m == *ip) + m++, ip++; + m_len = (ip - ii); + } + assert(m_len > M2_MAX_LEN); + + if (m_off <= M3_MAX_OFFSET) + { + m_off -= 1; + if (m_len <= 33) + *op++ = LZO_BYTE(M3_MARKER | (m_len - 2)); + else + { + m_len -= 33; + *op++ = M3_MARKER | 0; + goto m3_m4_len; + } + } + else + { +#if defined(LZO1Y) +m4_match: +#endif + m_off -= 0x4000; + assert(m_off > 0); assert(m_off <= 0x7fff); + if (m_len <= M4_MAX_LEN) + *op++ = LZO_BYTE(M4_MARKER | + ((m_off & 0x4000) >> 11) | (m_len - 2)); + else + { + m_len -= M4_MAX_LEN; + *op++ = LZO_BYTE(M4_MARKER | ((m_off & 0x4000) >> 11)); +m3_m4_len: + while (m_len > 255) + { + m_len -= 255; + *op++ = 0; + } + assert(m_len > 0); + *op++ = LZO_BYTE(m_len); + } + } + +m3_m4_offset: + *op++ = LZO_BYTE((m_off & 63) << 2); + *op++ = LZO_BYTE(m_off >> 6); + } + +#if 0 +match_done: +#endif + ii = ip; + if (ip >= ip_end) + break; + } + + *out_len = op - out; + return pd(in_end,ii); +} + +LZO_PUBLIC(int) +DO_COMPRESS ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uintp out_len, + lzo_voidp wrkmem ) +{ + lzo_byte *op = out; + lzo_uint t; + +#if defined(__LZO_QUERY_COMPRESS) + if (__LZO_IS_COMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) + return __LZO_QUERY_COMPRESS(in,in_len,out,out_len,wrkmem,D_SIZE,lzo_sizeof(lzo_dict_t)); +#endif + + if (in_len <= M2_MAX_LEN + 5) + t = in_len; + else + { + t = do_compress(in,in_len,op,out_len,wrkmem); + op += *out_len; + } + + if (t > 0) + { + const lzo_byte *ii = in + in_len - t; + + if (op == out && t <= 238) + *op++ = LZO_BYTE(17 + t); + else if (t <= 3) + op[-2] |= LZO_BYTE(t); + else if (t <= 18) + *op++ = LZO_BYTE(t - 3); + else + { + lzo_uint tt = t - 18; + + *op++ = 0; + while (tt > 255) + { + tt -= 255; + *op++ = 0; + } + assert(tt > 0); + *op++ = LZO_BYTE(tt); + } + do *op++ = *ii++; while (--t > 0); + } + + *op++ = M4_MARKER | 1; + *op++ = 0; + *op++ = 0; + + *out_len = op - out; + return LZO_E_OK; +} + +#undef do_compress +#undef DO_COMPRESS +#undef LZO_HASH + +#undef LZO_TEST_DECOMPRESS_OVERRUN +#undef LZO_TEST_DECOMPRESS_OVERRUN_INPUT +#undef LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT +#undef LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND +#undef DO_DECOMPRESS +#define DO_DECOMPRESS lzo1x_decompress + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN) +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) +# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2 +# endif +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) +# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2 +# endif +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND +# endif +#endif + +#undef TEST_IP +#undef TEST_OP +#undef TEST_LOOKBEHIND +#undef NEED_IP +#undef NEED_OP +#undef HAVE_TEST_IP +#undef HAVE_TEST_OP +#undef HAVE_NEED_IP +#undef HAVE_NEED_OP +#undef HAVE_ANY_IP +#undef HAVE_ANY_OP + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) +# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1) +# define TEST_IP (ip < ip_end) +# endif +# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2) +# define NEED_IP(x) \ + if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun +# endif +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) +# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1) +# define TEST_OP (op <= op_end) +# endif +# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2) +# undef TEST_OP +# define NEED_OP(x) \ + if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun +# endif +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun +#else +# define TEST_LOOKBEHIND(m_pos,op) ((void) 0) +#endif + +#if !defined(LZO_EOF_CODE) && !defined(TEST_IP) +# define TEST_IP (ip < ip_end) +#endif + +#if defined(TEST_IP) +# define HAVE_TEST_IP +#else +# define TEST_IP 1 +#endif +#if defined(TEST_OP) +# define HAVE_TEST_OP +#else +# define TEST_OP 1 +#endif + +#if defined(NEED_IP) +# define HAVE_NEED_IP +#else +# define NEED_IP(x) ((void) 0) +#endif +#if defined(NEED_OP) +# define HAVE_NEED_OP +#else +# define NEED_OP(x) ((void) 0) +#endif + +#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP) +# define HAVE_ANY_IP +#endif +#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP) +# define HAVE_ANY_OP +#endif + +#undef __COPY4 +#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src) + +#undef COPY4 +#if defined(LZO_UNALIGNED_OK_4) +# define COPY4(dst,src) __COPY4(dst,src) +#elif defined(LZO_ALIGNED_OK_4) +# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src)) +#endif + +#if defined(DO_DECOMPRESS) +LZO_PUBLIC(int) +DO_DECOMPRESS ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uintp out_len, + lzo_voidp wrkmem ) +#endif +{ + register lzo_byte *op; + register const lzo_byte *ip; + register lzo_uint t; +#if defined(COPY_DICT) + lzo_uint m_off; + const lzo_byte *dict_end; +#else + register const lzo_byte *m_pos; +#endif + + const lzo_byte * const ip_end = in + in_len; +#if defined(HAVE_ANY_OP) + lzo_byte * const op_end = out + *out_len; +#endif +#if defined(LZO1Z) + lzo_uint last_m_off = 0; +#endif + + LZO_UNUSED(wrkmem); + +#if defined(__LZO_QUERY_DECOMPRESS) + if (__LZO_IS_DECOMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) + return __LZO_QUERY_DECOMPRESS(in,in_len,out,out_len,wrkmem,0,0); +#endif + +#if defined(COPY_DICT) + if (dict) + { + if (dict_len > M4_MAX_OFFSET) + { + dict += dict_len - M4_MAX_OFFSET; + dict_len = M4_MAX_OFFSET; + } + dict_end = dict + dict_len; + } + else + { + dict_len = 0; + dict_end = NULL; + } +#endif + + *out_len = 0; + + op = out; + ip = in; + + if (*ip > 17) + { + t = *ip++ - 17; + if (t < 4) + goto match_next; + assert(t > 0); NEED_OP(t); NEED_IP(t+1); + do *op++ = *ip++; while (--t > 0); + goto first_literal_run; + } + + while (TEST_IP && TEST_OP) + { + t = *ip++; + if (t >= 16) + goto match; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 15 + *ip++; + } + assert(t > 0); NEED_OP(t+3); NEED_IP(t+4); +#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) +#if !defined(LZO_UNALIGNED_OK_4) + if (PTR_ALIGNED2_4(op,ip)) + { +#endif + COPY4(op,ip); + op += 4; ip += 4; + if (--t > 0) + { + if (t >= 4) + { + do { + COPY4(op,ip); + op += 4; ip += 4; t -= 4; + } while (t >= 4); + if (t > 0) do *op++ = *ip++; while (--t > 0); + } + else + do *op++ = *ip++; while (--t > 0); + } +#if !defined(LZO_UNALIGNED_OK_4) + } + else +#endif +#endif +#if !defined(LZO_UNALIGNED_OK_4) + { + *op++ = *ip++; *op++ = *ip++; *op++ = *ip++; + do *op++ = *ip++; while (--t > 0); + } +#endif + +first_literal_run: + + t = *ip++; + if (t >= 16) + goto match; +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); + last_m_off = m_off; +#else + m_off = (1 + M2_MAX_OFFSET) + (t >> 2) + (*ip++ << 2); +#endif + NEED_OP(3); + t = 3; COPY_DICT(t,m_off) +#else +#if defined(LZO1Z) + t = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); + m_pos = op - t; + last_m_off = t; +#else + m_pos = op - (1 + M2_MAX_OFFSET); + m_pos -= t >> 2; + m_pos -= *ip++ << 2; +#endif + TEST_LOOKBEHIND(m_pos,out); NEED_OP(3); + *op++ = *m_pos++; *op++ = *m_pos++; *op++ = *m_pos; +#endif + goto match_done; + + while (TEST_IP && TEST_OP) + { +match: + if (t >= 64) + { +#if defined(COPY_DICT) +#if defined(LZO1X) + m_off = 1 + ((t >> 2) & 7) + (*ip++ << 3); + t = (t >> 5) - 1; +#elif defined(LZO1Y) + m_off = 1 + ((t >> 2) & 3) + (*ip++ << 2); + t = (t >> 4) - 3; +#elif defined(LZO1Z) + m_off = t & 0x1f; + if (m_off >= 0x1c) + m_off = last_m_off; + else + { + m_off = 1 + (m_off << 6) + (*ip++ >> 2); + last_m_off = m_off; + } + t = (t >> 5) - 1; +#endif +#else +#if defined(LZO1X) + m_pos = op - 1; + m_pos -= (t >> 2) & 7; + m_pos -= *ip++ << 3; + t = (t >> 5) - 1; +#elif defined(LZO1Y) + m_pos = op - 1; + m_pos -= (t >> 2) & 3; + m_pos -= *ip++ << 2; + t = (t >> 4) - 3; +#elif defined(LZO1Z) + { + lzo_uint off = t & 0x1f; + m_pos = op; + if (off >= 0x1c) + { + assert(last_m_off > 0); + m_pos -= last_m_off; + } + else + { + off = 1 + (off << 6) + (*ip++ >> 2); + m_pos -= off; + last_m_off = off; + } + } + t = (t >> 5) - 1; +#endif + TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); + goto copy_match; +#endif + } + else if (t >= 32) + { + t &= 31; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 31 + *ip++; + } +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = 1 + (ip[0] << 6) + (ip[1] >> 2); + last_m_off = m_off; +#else + m_off = 1 + (ip[0] >> 2) + (ip[1] << 6); +#endif +#else +#if defined(LZO1Z) + { + lzo_uint off = 1 + (ip[0] << 6) + (ip[1] >> 2); + m_pos = op - off; + last_m_off = off; + } +#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + m_pos = op - 1; + m_pos -= (* (const lzo_ushortp) ip) >> 2; +#else + m_pos = op - 1; + m_pos -= (ip[0] >> 2) + (ip[1] << 6); +#endif +#endif + ip += 2; + } + else if (t >= 16) + { +#if defined(COPY_DICT) + m_off = (t & 8) << 11; +#else + m_pos = op; + m_pos -= (t & 8) << 11; +#endif + t &= 7; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 7 + *ip++; + } +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off += (ip[0] << 6) + (ip[1] >> 2); +#else + m_off += (ip[0] >> 2) + (ip[1] << 6); +#endif + ip += 2; + if (m_off == 0) + goto eof_found; + m_off += 0x4000; +#if defined(LZO1Z) + last_m_off = m_off; +#endif +#else +#if defined(LZO1Z) + m_pos -= (ip[0] << 6) + (ip[1] >> 2); +#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + m_pos -= (* (const lzo_ushortp) ip) >> 2; +#else + m_pos -= (ip[0] >> 2) + (ip[1] << 6); +#endif + ip += 2; + if (m_pos == op) + goto eof_found; + m_pos -= 0x4000; +#if defined(LZO1Z) + last_m_off = op - m_pos; +#endif +#endif + } + else + { +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = 1 + (t << 6) + (*ip++ >> 2); + last_m_off = m_off; +#else + m_off = 1 + (t >> 2) + (*ip++ << 2); +#endif + NEED_OP(2); + t = 2; COPY_DICT(t,m_off) +#else +#if defined(LZO1Z) + t = 1 + (t << 6) + (*ip++ >> 2); + m_pos = op - t; + last_m_off = t; +#else + m_pos = op - 1; + m_pos -= t >> 2; + m_pos -= *ip++ << 2; +#endif + TEST_LOOKBEHIND(m_pos,out); NEED_OP(2); + *op++ = *m_pos++; *op++ = *m_pos; +#endif + goto match_done; + } + +#if defined(COPY_DICT) + + NEED_OP(t+3-1); + t += 3-1; COPY_DICT(t,m_off) + +#else + + TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); +#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) +#if !defined(LZO_UNALIGNED_OK_4) + if (t >= 2 * 4 - (3 - 1) && PTR_ALIGNED2_4(op,m_pos)) + { + assert((op - m_pos) >= 4); +#else + if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) + { +#endif + COPY4(op,m_pos); + op += 4; m_pos += 4; t -= 4 - (3 - 1); + do { + COPY4(op,m_pos); + op += 4; m_pos += 4; t -= 4; + } while (t >= 4); + if (t > 0) do *op++ = *m_pos++; while (--t > 0); + } + else +#endif + { +copy_match: + *op++ = *m_pos++; *op++ = *m_pos++; + do *op++ = *m_pos++; while (--t > 0); + } + +#endif + +match_done: +#if defined(LZO1Z) + t = ip[-1] & 3; +#else + t = ip[-2] & 3; +#endif + if (t == 0) + break; + +match_next: + assert(t > 0); NEED_OP(t); NEED_IP(t+1); + do *op++ = *ip++; while (--t > 0); + t = *ip++; + } + } + +#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP) + *out_len = op - out; + return LZO_E_EOF_NOT_FOUND; +#endif + +eof_found: + assert(t == 1); + *out_len = op - out; + return (ip == ip_end ? LZO_E_OK : + (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN)); + +#if defined(HAVE_NEED_IP) +input_overrun: + *out_len = op - out; + return LZO_E_INPUT_OVERRUN; +#endif + +#if defined(HAVE_NEED_OP) +output_overrun: + *out_len = op - out; + return LZO_E_OUTPUT_OVERRUN; +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +lookbehind_overrun: + *out_len = op - out; + return LZO_E_LOOKBEHIND_OVERRUN; +#endif +} + +#define LZO_TEST_DECOMPRESS_OVERRUN +#undef DO_DECOMPRESS +#define DO_DECOMPRESS lzo1x_decompress_safe + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN) +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) +# define LZO_TEST_DECOMPRESS_OVERRUN_INPUT 2 +# endif +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) +# define LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT 2 +# endif +# if !defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +# define LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND +# endif +#endif + +#undef TEST_IP +#undef TEST_OP +#undef TEST_LOOKBEHIND +#undef NEED_IP +#undef NEED_OP +#undef HAVE_TEST_IP +#undef HAVE_TEST_OP +#undef HAVE_NEED_IP +#undef HAVE_NEED_OP +#undef HAVE_ANY_IP +#undef HAVE_ANY_OP + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_INPUT) +# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 1) +# define TEST_IP (ip < ip_end) +# endif +# if (LZO_TEST_DECOMPRESS_OVERRUN_INPUT >= 2) +# define NEED_IP(x) \ + if ((lzo_uint)(ip_end - ip) < (lzo_uint)(x)) goto input_overrun +# endif +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT) +# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 1) +# define TEST_OP (op <= op_end) +# endif +# if (LZO_TEST_DECOMPRESS_OVERRUN_OUTPUT >= 2) +# undef TEST_OP +# define NEED_OP(x) \ + if ((lzo_uint)(op_end - op) < (lzo_uint)(x)) goto output_overrun +# endif +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +# define TEST_LOOKBEHIND(m_pos,out) if (m_pos < out) goto lookbehind_overrun +#else +# define TEST_LOOKBEHIND(m_pos,op) ((void) 0) +#endif + +#if !defined(LZO_EOF_CODE) && !defined(TEST_IP) +# define TEST_IP (ip < ip_end) +#endif + +#if defined(TEST_IP) +# define HAVE_TEST_IP +#else +# define TEST_IP 1 +#endif +#if defined(TEST_OP) +# define HAVE_TEST_OP +#else +# define TEST_OP 1 +#endif + +#if defined(NEED_IP) +# define HAVE_NEED_IP +#else +# define NEED_IP(x) ((void) 0) +#endif +#if defined(NEED_OP) +# define HAVE_NEED_OP +#else +# define NEED_OP(x) ((void) 0) +#endif + +#if defined(HAVE_TEST_IP) || defined(HAVE_NEED_IP) +# define HAVE_ANY_IP +#endif +#if defined(HAVE_TEST_OP) || defined(HAVE_NEED_OP) +# define HAVE_ANY_OP +#endif + +#undef __COPY4 +#define __COPY4(dst,src) * (lzo_uint32p)(dst) = * (const lzo_uint32p)(src) + +#undef COPY4 +#if defined(LZO_UNALIGNED_OK_4) +# define COPY4(dst,src) __COPY4(dst,src) +#elif defined(LZO_ALIGNED_OK_4) +# define COPY4(dst,src) __COPY4((lzo_ptr_t)(dst),(lzo_ptr_t)(src)) +#endif + +#if defined(DO_DECOMPRESS) +LZO_PUBLIC(int) +DO_DECOMPRESS ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uintp out_len, + lzo_voidp wrkmem ) +#endif +{ + register lzo_byte *op; + register const lzo_byte *ip; + register lzo_uint t; +#if defined(COPY_DICT) + lzo_uint m_off; + const lzo_byte *dict_end; +#else + register const lzo_byte *m_pos; +#endif + + const lzo_byte * const ip_end = in + in_len; +#if defined(HAVE_ANY_OP) + lzo_byte * const op_end = out + *out_len; +#endif +#if defined(LZO1Z) + lzo_uint last_m_off = 0; +#endif + + LZO_UNUSED(wrkmem); + +#if defined(__LZO_QUERY_DECOMPRESS) + if (__LZO_IS_DECOMPRESS_QUERY(in,in_len,out,out_len,wrkmem)) + return __LZO_QUERY_DECOMPRESS(in,in_len,out,out_len,wrkmem,0,0); +#endif + +#if defined(COPY_DICT) + if (dict) + { + if (dict_len > M4_MAX_OFFSET) + { + dict += dict_len - M4_MAX_OFFSET; + dict_len = M4_MAX_OFFSET; + } + dict_end = dict + dict_len; + } + else + { + dict_len = 0; + dict_end = NULL; + } +#endif + + *out_len = 0; + + op = out; + ip = in; + + if (*ip > 17) + { + t = *ip++ - 17; + if (t < 4) + goto match_next; + assert(t > 0); NEED_OP(t); NEED_IP(t+1); + do *op++ = *ip++; while (--t > 0); + goto first_literal_run; + } + + while (TEST_IP && TEST_OP) + { + t = *ip++; + if (t >= 16) + goto match; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 15 + *ip++; + } + assert(t > 0); NEED_OP(t+3); NEED_IP(t+4); +#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) +#if !defined(LZO_UNALIGNED_OK_4) + if (PTR_ALIGNED2_4(op,ip)) + { +#endif + COPY4(op,ip); + op += 4; ip += 4; + if (--t > 0) + { + if (t >= 4) + { + do { + COPY4(op,ip); + op += 4; ip += 4; t -= 4; + } while (t >= 4); + if (t > 0) do *op++ = *ip++; while (--t > 0); + } + else + do *op++ = *ip++; while (--t > 0); + } +#if !defined(LZO_UNALIGNED_OK_4) + } + else +#endif +#endif +#if !defined(LZO_UNALIGNED_OK_4) + { + *op++ = *ip++; *op++ = *ip++; *op++ = *ip++; + do *op++ = *ip++; while (--t > 0); + } +#endif + +first_literal_run: + + t = *ip++; + if (t >= 16) + goto match; +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); + last_m_off = m_off; +#else + m_off = (1 + M2_MAX_OFFSET) + (t >> 2) + (*ip++ << 2); +#endif + NEED_OP(3); + t = 3; COPY_DICT(t,m_off) +#else +#if defined(LZO1Z) + t = (1 + M2_MAX_OFFSET) + (t << 6) + (*ip++ >> 2); + m_pos = op - t; + last_m_off = t; +#else + m_pos = op - (1 + M2_MAX_OFFSET); + m_pos -= t >> 2; + m_pos -= *ip++ << 2; +#endif + TEST_LOOKBEHIND(m_pos,out); NEED_OP(3); + *op++ = *m_pos++; *op++ = *m_pos++; *op++ = *m_pos; +#endif + goto match_done; + + while (TEST_IP && TEST_OP) + { +match: + if (t >= 64) + { +#if defined(COPY_DICT) +#if defined(LZO1X) + m_off = 1 + ((t >> 2) & 7) + (*ip++ << 3); + t = (t >> 5) - 1; +#elif defined(LZO1Y) + m_off = 1 + ((t >> 2) & 3) + (*ip++ << 2); + t = (t >> 4) - 3; +#elif defined(LZO1Z) + m_off = t & 0x1f; + if (m_off >= 0x1c) + m_off = last_m_off; + else + { + m_off = 1 + (m_off << 6) + (*ip++ >> 2); + last_m_off = m_off; + } + t = (t >> 5) - 1; +#endif +#else +#if defined(LZO1X) + m_pos = op - 1; + m_pos -= (t >> 2) & 7; + m_pos -= *ip++ << 3; + t = (t >> 5) - 1; +#elif defined(LZO1Y) + m_pos = op - 1; + m_pos -= (t >> 2) & 3; + m_pos -= *ip++ << 2; + t = (t >> 4) - 3; +#elif defined(LZO1Z) + { + lzo_uint off = t & 0x1f; + m_pos = op; + if (off >= 0x1c) + { + assert(last_m_off > 0); + m_pos -= last_m_off; + } + else + { + off = 1 + (off << 6) + (*ip++ >> 2); + m_pos -= off; + last_m_off = off; + } + } + t = (t >> 5) - 1; +#endif + TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); + goto copy_match; +#endif + } + else if (t >= 32) + { + t &= 31; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 31 + *ip++; + } +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = 1 + (ip[0] << 6) + (ip[1] >> 2); + last_m_off = m_off; +#else + m_off = 1 + (ip[0] >> 2) + (ip[1] << 6); +#endif +#else +#if defined(LZO1Z) + { + lzo_uint off = 1 + (ip[0] << 6) + (ip[1] >> 2); + m_pos = op - off; + last_m_off = off; + } +#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + m_pos = op - 1; + m_pos -= (* (const lzo_ushortp) ip) >> 2; +#else + m_pos = op - 1; + m_pos -= (ip[0] >> 2) + (ip[1] << 6); +#endif +#endif + ip += 2; + } + else if (t >= 16) + { +#if defined(COPY_DICT) + m_off = (t & 8) << 11; +#else + m_pos = op; + m_pos -= (t & 8) << 11; +#endif + t &= 7; + if (t == 0) + { + NEED_IP(1); + while (*ip == 0) + { + t += 255; + ip++; + NEED_IP(1); + } + t += 7 + *ip++; + } +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off += (ip[0] << 6) + (ip[1] >> 2); +#else + m_off += (ip[0] >> 2) + (ip[1] << 6); +#endif + ip += 2; + if (m_off == 0) + goto eof_found; + m_off += 0x4000; +#if defined(LZO1Z) + last_m_off = m_off; +#endif +#else +#if defined(LZO1Z) + m_pos -= (ip[0] << 6) + (ip[1] >> 2); +#elif defined(LZO_UNALIGNED_OK_2) && (LZO_BYTE_ORDER == LZO_LITTLE_ENDIAN) + m_pos -= (* (const lzo_ushortp) ip) >> 2; +#else + m_pos -= (ip[0] >> 2) + (ip[1] << 6); +#endif + ip += 2; + if (m_pos == op) + goto eof_found; + m_pos -= 0x4000; +#if defined(LZO1Z) + last_m_off = op - m_pos; +#endif +#endif + } + else + { +#if defined(COPY_DICT) +#if defined(LZO1Z) + m_off = 1 + (t << 6) + (*ip++ >> 2); + last_m_off = m_off; +#else + m_off = 1 + (t >> 2) + (*ip++ << 2); +#endif + NEED_OP(2); + t = 2; COPY_DICT(t,m_off) +#else +#if defined(LZO1Z) + t = 1 + (t << 6) + (*ip++ >> 2); + m_pos = op - t; + last_m_off = t; +#else + m_pos = op - 1; + m_pos -= t >> 2; + m_pos -= *ip++ << 2; +#endif + TEST_LOOKBEHIND(m_pos,out); NEED_OP(2); + *op++ = *m_pos++; *op++ = *m_pos; +#endif + goto match_done; + } + +#if defined(COPY_DICT) + + NEED_OP(t+3-1); + t += 3-1; COPY_DICT(t,m_off) + +#else + + TEST_LOOKBEHIND(m_pos,out); assert(t > 0); NEED_OP(t+3-1); +#if defined(LZO_UNALIGNED_OK_4) || defined(LZO_ALIGNED_OK_4) +#if !defined(LZO_UNALIGNED_OK_4) + if (t >= 2 * 4 - (3 - 1) && PTR_ALIGNED2_4(op,m_pos)) + { + assert((op - m_pos) >= 4); +#else + if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) + { +#endif + COPY4(op,m_pos); + op += 4; m_pos += 4; t -= 4 - (3 - 1); + do { + COPY4(op,m_pos); + op += 4; m_pos += 4; t -= 4; + } while (t >= 4); + if (t > 0) do *op++ = *m_pos++; while (--t > 0); + } + else +#endif + { +copy_match: + *op++ = *m_pos++; *op++ = *m_pos++; + do *op++ = *m_pos++; while (--t > 0); + } + +#endif + +match_done: +#if defined(LZO1Z) + t = ip[-1] & 3; +#else + t = ip[-2] & 3; +#endif + if (t == 0) + break; + +match_next: + assert(t > 0); NEED_OP(t); NEED_IP(t+1); + do *op++ = *ip++; while (--t > 0); + t = *ip++; + } + } + +#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP) + *out_len = op - out; + return LZO_E_EOF_NOT_FOUND; +#endif + +eof_found: + assert(t == 1); + *out_len = op - out; + return (ip == ip_end ? LZO_E_OK : + (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN)); + +#if defined(HAVE_NEED_IP) +input_overrun: + *out_len = op - out; + return LZO_E_INPUT_OVERRUN; +#endif + +#if defined(HAVE_NEED_OP) +output_overrun: + *out_len = op - out; + return LZO_E_OUTPUT_OVERRUN; +#endif + +#if defined(LZO_TEST_DECOMPRESS_OVERRUN_LOOKBEHIND) +lookbehind_overrun: + *out_len = op - out; + return LZO_E_LOOKBEHIND_OVERRUN; +#endif +} + +/***** End of minilzo.c *****/ + diff --git a/libvncserver/minilzo.h b/libvncserver/minilzo.h index 1f38abd..e3270f9 100644 --- a/libvncserver/minilzo.h +++ b/libvncserver/minilzo.h @@ -1,100 +1,100 @@ -/* minilzo.h -- mini subset of the LZO real-time data compression library - - This file is part of the LZO real-time data compression library. - - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer - All Rights Reserved. - - The LZO library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - - The LZO library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the LZO library; see the file COPYING. - If not, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - Markus F.X.J. Oberhumer - - http://www.oberhumer.com/opensource/lzo/ - */ - -/* - * NOTE: - * the full LZO package can be found at - * http://www.oberhumer.com/opensource/lzo/ - */ - - -#ifndef __MINILZO_H -#define __MINILZO_H - -#define MINILZO_VERSION 0x1080 - -#ifdef __LZOCONF_H -# error "you cannot use both LZO and miniLZO" -#endif - -#undef LZO_HAVE_CONFIG_H -#include "lzoconf.h" - -#if !defined(LZO_VERSION) || (LZO_VERSION != MINILZO_VERSION) -# error "version mismatch in header files" -#endif - - -#ifdef __cplusplus -extern "C" { -#endif - - -/*********************************************************************** -// -************************************************************************/ - -/* Memory required for the wrkmem parameter. - * When the required size is 0, you can also pass a NULL pointer. - */ - -#define LZO1X_MEM_COMPRESS LZO1X_1_MEM_COMPRESS -#define LZO1X_1_MEM_COMPRESS ((lzo_uint32) (16384L * lzo_sizeof_dict_t)) -#define LZO1X_MEM_DECOMPRESS (0) - - -/* compression */ -LZO_EXTERN(int) -lzo1x_1_compress ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem ); - -/* decompression */ -LZO_EXTERN(int) -lzo1x_decompress ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem /* NOT USED */ ); - -/* safe decompression with overrun testing */ -LZO_EXTERN(int) -lzo1x_decompress_safe ( const lzo_byte *src, lzo_uint src_len, - lzo_byte *dst, lzo_uintp dst_len, - lzo_voidp wrkmem /* NOT USED */ ); - - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif /* already included */ - +/* minilzo.h -- mini subset of the LZO real-time data compression library + + This file is part of the LZO real-time data compression library. + + Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + All Rights Reserved. + + The LZO library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of + the License, or (at your option) any later version. + + The LZO library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with the LZO library; see the file COPYING. + If not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Markus F.X.J. Oberhumer + + http://www.oberhumer.com/opensource/lzo/ + */ + +/* + * NOTE: + * the full LZO package can be found at + * http://www.oberhumer.com/opensource/lzo/ + */ + + +#ifndef __MINILZO_H +#define __MINILZO_H + +#define MINILZO_VERSION 0x1080 + +#ifdef __LZOCONF_H +# error "you cannot use both LZO and miniLZO" +#endif + +#undef LZO_HAVE_CONFIG_H +#include "lzoconf.h" + +#if !defined(LZO_VERSION) || (LZO_VERSION != MINILZO_VERSION) +# error "version mismatch in header files" +#endif + + +#ifdef __cplusplus +extern "C" { +#endif + + +/*********************************************************************** +// +************************************************************************/ + +/* Memory required for the wrkmem parameter. + * When the required size is 0, you can also pass a NULL pointer. + */ + +#define LZO1X_MEM_COMPRESS LZO1X_1_MEM_COMPRESS +#define LZO1X_1_MEM_COMPRESS ((lzo_uint32) (16384L * lzo_sizeof_dict_t)) +#define LZO1X_MEM_DECOMPRESS (0) + + +/* compression */ +LZO_EXTERN(int) +lzo1x_1_compress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem ); + +/* decompression */ +LZO_EXTERN(int) +lzo1x_decompress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem /* NOT USED */ ); + +/* safe decompression with overrun testing */ +LZO_EXTERN(int) +lzo1x_decompress_safe ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uintp dst_len, + lzo_voidp wrkmem /* NOT USED */ ); + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* already included */ + diff --git a/libvncserver/rfbserver.c b/libvncserver/rfbserver.c index 89bf0ca..1945ae1 100644 --- a/libvncserver/rfbserver.c +++ b/libvncserver/rfbserver.c @@ -1703,11 +1703,12 @@ rfbSendFramebufferUpdate(rfbClientPtr cl, int y = rect.y1; int w = rect.x2 - x; int h = rect.y2 - y; + int rectsPerRow, rows; /* We need to count the number of rects in the scaled screen */ if (cl->screen!=cl->scaledScreen) rfbScaledCorrection(cl->screen, cl->scaledScreen, &x, &y, &w, &h, "rfbSendFramebufferUpdate"); - int rectsPerRow = (w-1)/cl->correMaxWidth+1; - int rows = (h-1)/cl->correMaxHeight+1; + rectsPerRow = (w-1)/cl->correMaxWidth+1; + rows = (h-1)/cl->correMaxHeight+1; nUpdateRegionRects += rectsPerRow*rows; } sraRgnReleaseIterator(i); @@ -1749,10 +1750,11 @@ rfbSendFramebufferUpdate(rfbClientPtr cl, int y = rect.y1; int w = rect.x2 - x; int h = rect.y2 - y; + int n; /* We need to count the number of rects in the scaled screen */ if (cl->screen!=cl->scaledScreen) rfbScaledCorrection(cl->screen, cl->scaledScreen, &x, &y, &w, &h, "rfbSendFramebufferUpdate"); - int n = rfbNumCodedRectsTight(cl, x, y, w, h); + n = rfbNumCodedRectsTight(cl, x, y, w, h); if (n == 0) { nUpdateRegionRects = 0xFFFF; break; diff --git a/libvncserver/scale.c b/libvncserver/scale.c index 44d1d11..63d232e 100644 --- a/libvncserver/scale.c +++ b/libvncserver/scale.c @@ -66,7 +66,10 @@ #endif /****************************/ -#include +#define CEIL(x) ( (double) ((int) (x)) == (x) ? \ + (double) ((int) (x)) : (double) ((int) (x) + 1) ) +#define FLOOR(x) ( (double) ((int) (x)) ) + int ScaleX(rfbScreenInfoPtr from, rfbScreenInfoPtr to, int x) { @@ -105,12 +108,12 @@ void rfbScaledCorrection(rfbScreenInfoPtr from, rfbScreenInfoPtr to, int *x, int /*cast from double to int is same as "*x = floor(x1);" */ - x2 = floor(x1); - y2 = floor(y1); + x2 = FLOOR(x1); + y2 = FLOOR(y1); /* include into W and H the jitter of scaling X and Y */ - w2 = ceil(w1 + ( x1 - x2 )); - h2 = ceil(h1 + ( y1 - y2 )); + w2 = CEIL(w1 + ( x1 - x2 )); + h2 = CEIL(h1 + ( y1 - y2 )); /* * rfbLog("%s (%dXx%dY-%dWx%dH -> %fXx%fY-%fWx%fH) {%dWx%dH -> %dWx%dH}\n", diff --git a/vncterm/Makefile.am b/vncterm/Makefile.am index 5d4135b..32a2380 100644 --- a/vncterm/Makefile.am +++ b/vncterm/Makefile.am @@ -1,9 +1,9 @@ +AM_CFLAGS=-I $(top_srcdir) + CONSOLE_SRCS=VNConsole.c noinst_HEADERS=VNConsole.h vga.h -CFLAGS_ADD=-I.. - LDADD=../libvncserver/libvncserver.a @WSOCKLIB@ INCLUDES=-I.