Ultra Encoding added. Tested against UltraVNC V1.01

pull/1/head
steven_carr 17 years ago
parent e57c4dcd71
commit afa9fae024

@ -1,3 +1,8 @@
2006-05-02 Steven Carr <scarr@jsa-usa.com>
* Ultra Encoding added. Tested against UltraVNC V1.01
* libvncclient/rfbproto.c CopyRectangle() BPP!=8 bug fixed.
* Incompatible pointer usage warnings eliminated (gcc 4.0.1)
2006-04-27 Johannes E. Schindelin <Johannes.Schindelin@gmx.de>
* examples/{rotate.c, rotatetemplate.c}: add modified pnmshow
which demonstrates fast rotating and flipping.

@ -1,8 +1,8 @@
AM_CFLAGS=-g -I $(top_srcdir) -I. -Wall
libvncclient_a_SOURCES=cursor.c listen.c rfbproto.c sockets.c vncviewer.c
libvncclient_a_SOURCES=cursor.c listen.c rfbproto.c sockets.c vncviewer.c minilzo.c
rfbproto.o: rfbproto.c corre.c hextile.c rre.c tight.c zlib.c zrle.c
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

@ -0,0 +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
<markus@oberhumer.com>
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 <config.h>
#endif
#include <limits.h>
#ifdef __cplusplus
extern "C" {
#endif
/***********************************************************************
// LZO requires a conforming <limits.h>
************************************************************************/
#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 <lzo16bit.h>
# 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 */

File diff suppressed because it is too large Load Diff

@ -0,0 +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
<markus@oberhumer.com>
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 */

@ -46,6 +46,8 @@
#include <stdarg.h>
#include <time.h>
#include "minilzo.h"
/*
* rfbClientLog prints a time-stamped message to the log file (stderr).
*/
@ -189,6 +191,12 @@ static rfbBool HandleCoRRE32(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleHextile8(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleHextile16(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleHextile32(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleUltra8(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleUltra16(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleUltra32(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleUltraZip8(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleUltraZip16(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleUltraZip32(rfbClient* client, int rx, int ry, int rw, int rh);
#ifdef LIBVNCSERVER_HAVE_LIBZ
static rfbBool HandleZlib8(rfbClient* client, int rx, int ry, int rw, int rh);
static rfbBool HandleZlib16(rfbClient* client, int rx, int ry, int rw, int rh);
@ -498,6 +506,10 @@ SetFormatAndEncodings(rfbClient* client)
} else if (strncasecmp(encStr,"zrle",encStrLen) == 0) {
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingZRLE);
#endif
} else if ((strncasecmp(encStr,"ultra",encStrLen) == 0) || (strncasecmp(encStr,"ultrazip",encStrLen) == 0)) {
/* There are 2 encodings used in 'ultra' */
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingUltra);
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingUltraZip);
} else if (strncasecmp(encStr,"corre",encStrLen) == 0) {
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingCoRRE);
} else if (strncasecmp(encStr,"rre",encStrLen) == 0) {
@ -565,6 +577,8 @@ SetFormatAndEncodings(rfbClient* client)
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingZlib);
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingZRLE);
#endif
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingUltra);
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingUltraZip);
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingCoRRE);
encs[se->nEncodings++] = rfbClientSwap32IfLE(rfbEncodingRRE);
@ -783,8 +797,10 @@ HandleRFBServerMessage(rfbClient* client)
rect.r.w = rfbClientSwap16IfLE(rect.r.w);
rect.r.h = rfbClientSwap16IfLE(rect.r.h);
if (rect.encoding == rfbEncodingXCursor ||
rect.encoding == rfbEncodingRichCursor) {
if (!HandleCursorShape(client,
rect.r.x, rect.r.y, rect.r.w, rect.r.h,
rect.encoding)) {
@ -805,7 +821,7 @@ HandleRFBServerMessage(rfbClient* client)
client->KeyboardLedStateEnabled = 1;
if (client->HandleKeyboardLedState!=NULL)
client->HandleKeyboardLedState(client, rect.r.x, 0);
// stash it for the future
/* stash it for the future */
client->CurrentKeyboardLedState = rect.r.x;
continue;
}
@ -819,22 +835,26 @@ HandleRFBServerMessage(rfbClient* client)
continue;
}
if ((rect.r.x + rect.r.w > client->width) ||
(rect.r.y + rect.r.h > client->height))
{
rfbClientLog("Rect too large: %dx%d at (%d, %d)\n",
rect.r.w, rect.r.h, rect.r.x, rect.r.y);
return FALSE;
}
/* rfbEncodingUltraZip is a collection of subrects. x = # of subrects, and h is always 0 */
if (rect.encoding != rfbEncodingUltraZip)
{
if ((rect.r.x + rect.r.w > client->width) ||
(rect.r.y + rect.r.h > client->height))
{
rfbClientLog("Rect too large: %dx%d at (%d, %d)\n",
rect.r.w, rect.r.h, rect.r.x, rect.r.y);
return FALSE;
}
if (rect.r.h * rect.r.w == 0) {
rfbClientLog("Zero size rect - ignoring\n");
continue;
}
if (rect.r.h * rect.r.w == 0) {
rfbClientLog("Zero size rect - ignoring\n");
continue;
}
/* If RichCursor encoding is used, we should prevent collisions
between framebuffer updates and cursor drawing operations. */
client->SoftCursorLockArea(client, rect.r.x, rect.r.y, rect.r.w, rect.r.h);
/* If RichCursor encoding is used, we should prevent collisions
between framebuffer updates and cursor drawing operations. */
client->SoftCursorLockArea(client, rect.r.x, rect.r.y, rect.r.w, rect.r.h);
}
switch (rect.encoding) {
@ -851,7 +871,7 @@ HandleRFBServerMessage(rfbClient* client)
if (!ReadFromRFBServer(client, client->buffer,bytesPerLine * linesToRead))
return FALSE;
CopyRectangle(client, client->buffer,
CopyRectangle(client, (uint8_t *)client->buffer,
rect.r.x, y, rect.r.w,linesToRead);
h -= linesToRead;
@ -940,6 +960,43 @@ HandleRFBServerMessage(rfbClient* client)
break;
}
case rfbEncodingUltra:
{
switch (client->format.bitsPerPixel) {
case 8:
if (!HandleUltra8(client, rect.r.x,rect.r.y,rect.r.w,rect.r.h))
return FALSE;
break;
case 16:
if (!HandleUltra16(client, rect.r.x,rect.r.y,rect.r.w,rect.r.h))
return FALSE;
break;
case 32:
if (!HandleUltra32(client, rect.r.x,rect.r.y,rect.r.w,rect.r.h))
return FALSE;
break;
}
break;
}
case rfbEncodingUltraZip:
{
switch (client->format.bitsPerPixel) {
case 8:
if (!HandleUltraZip8(client, rect.r.x,rect.r.y,rect.r.w,rect.r.h))
return FALSE;
break;
case 16:
if (!HandleUltraZip16(client, rect.r.x,rect.r.y,rect.r.w,rect.r.h))
return FALSE;
break;
case 32:
if (!HandleUltraZip32(client, rect.r.x,rect.r.y,rect.r.w,rect.r.h))
return FALSE;
break;
}
break;
}
#ifdef LIBVNCSERVER_HAVE_LIBZ
case rfbEncodingZlib:
{
@ -1119,6 +1176,7 @@ HandleRFBServerMessage(rfbClient* client)
#include "rre.c"
#include "corre.c"
#include "hextile.c"
#include "ultra.c"
#include "zlib.c"
#include "tight.c"
#include "zrle.c"
@ -1127,6 +1185,7 @@ HandleRFBServerMessage(rfbClient* client)
#include "rre.c"
#include "corre.c"
#include "hextile.c"
#include "ultra.c"
#include "zlib.c"
#include "tight.c"
#include "zrle.c"
@ -1135,6 +1194,7 @@ HandleRFBServerMessage(rfbClient* client)
#include "rre.c"
#include "corre.c"
#include "hextile.c"
#include "ultra.c"
#include "zlib.c"
#include "tight.c"
#include "zrle.c"

@ -0,0 +1,214 @@
/*
* Copyright (C) 2000 Tridia Corporation. All Rights Reserved.
* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
*
* This 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.
*
* This software 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 this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifdef LIBVNCSERVER_HAVE_LIBZ
/*
* ultrazip.c - handle ultrazip encoding.
*
* This file shouldn't be compiled directly. It is included multiple times by
* rfbproto.c, each time with a different definition of the macro BPP. For
* each value of BPP, this file defines a function which handles an zlib
* encoded rectangle with BPP bits per pixel.
*/
#define HandleUltraZipBPP CONCAT2E(HandleUltraZip,BPP)
#define HandleUltraBPP CONCAT2E(HandleUltra,BPP)
#define CARDBPP CONCAT3E(uint,BPP,_t)
static rfbBool
HandleUltraBPP (rfbClient* client, int rx, int ry, int rw, int rh)
{
rfbZlibHeader hdr;
int toRead=0;
int inflateResult=0;
int uncompressedBytes = (( rw * rh ) * ( BPP / 8 ));
if (!ReadFromRFBServer(client, (char *)&hdr, sz_rfbZlibHeader))
return FALSE;
toRead = rfbClientSwap32IfLE(hdr.nBytes);
if (toRead==0) return TRUE;
if (uncompressedBytes==0)
{
rfbClientLog("ultra error: rectangle has 0 uncomressed bytes ((%dw * %dh) * (%d / 8))\n", rw, rh, BPP);
return FALSE;
}
/* First make sure we have a large enough raw buffer to hold the
* decompressed data. In practice, with a fixed BPP, fixed frame
* buffer size and the first update containing the entire frame
* buffer, this buffer allocation should only happen once, on the
* first update.
*/
if ( client->raw_buffer_size < uncompressedBytes) {
if ( client->raw_buffer != NULL ) {
free( client->raw_buffer );
}
client->raw_buffer_size = uncompressedBytes;
/* buffer needs to be aligned on 4-byte boundaries */
if ((client->raw_buffer_size % 4)!=0)
client->raw_buffer_size += (4-(client->raw_buffer_size % 4));
client->raw_buffer = (char*) malloc( client->raw_buffer_size );
}
/* allocate enough space to store the incoming compressed packet */
if ( client->ultra_buffer_size < toRead ) {
if ( client->ultra_buffer != NULL ) {
free( client->ultra_buffer );
}
client->ultra_buffer_size = toRead;
/* buffer needs to be aligned on 4-byte boundaries */
if ((client->ultra_buffer_size % 4)!=0)
client->ultra_buffer_size += (4-(client->ultra_buffer_size % 4));
client->ultra_buffer = (char*) malloc( client->ultra_buffer_size );
}
/* Fill the buffer, obtaining data from the server. */
if (!ReadFromRFBServer(client, client->ultra_buffer, toRead))
return FALSE;
/* uncompress the data */
uncompressedBytes = client->raw_buffer_size;
inflateResult = lzo1x_decompress(
(lzo_byte *)client->ultra_buffer, toRead,
(lzo_byte *)client->raw_buffer, (lzo_uintp) &uncompressedBytes,
NULL);
if ((rw * rh * (BPP / 8)) != uncompressedBytes)
rfbClientLog("Ultra decompressed too little (%d < %d)", (rw * rh * (BPP / 8)), uncompressedBytes);
/* Put the uncompressed contents of the update on the screen. */
if ( inflateResult == LZO_E_OK )
{
CopyRectangle(client, (unsigned char *)client->raw_buffer, rx, ry, rw, rh);
}
else
{
rfbClientLog("ultra decompress returned error: %d\n",
inflateResult);
return FALSE;
}
return TRUE;
}
/* UltraZip is like rre in that it is composed of subrects */
static rfbBool
HandleUltraZipBPP (rfbClient* client, int rx, int ry, int rw, int rh)
{
rfbZlibHeader hdr;
int i=0;
int toRead=0;
int inflateResult=0;
unsigned char *ptr=NULL;
int uncompressedBytes = ry + (rw * 65535);
unsigned int numCacheRects = rx;
if (!ReadFromRFBServer(client, (char *)&hdr, sz_rfbZlibHeader))
return FALSE;
toRead = rfbClientSwap32IfLE(hdr.nBytes);
if (toRead==0) return TRUE;
if (uncompressedBytes==0)
{
rfbClientLog("ultrazip error: rectangle has 0 uncomressed bytes (%dy + (%dw * 65535)) (%d rectangles)\n", ry, rw, rx);
return FALSE;
}
/* First make sure we have a large enough raw buffer to hold the
* decompressed data. In practice, with a fixed BPP, fixed frame
* buffer size and the first update containing the entire frame
* buffer, this buffer allocation should only happen once, on the
* first update.
*/
if ( client->raw_buffer_size < (uncompressedBytes + 500)) {
if ( client->raw_buffer != NULL ) {
free( client->raw_buffer );
}
client->raw_buffer_size = uncompressedBytes + 500;
/* buffer needs to be aligned on 4-byte boundaries */
if ((client->raw_buffer_size % 4)!=0)
client->raw_buffer_size += (4-(client->raw_buffer_size % 4));
client->raw_buffer = (char*) malloc( client->raw_buffer_size );
}
/* allocate enough space to store the incoming compressed packet */
if ( client->ultra_buffer_size < toRead ) {
if ( client->ultra_buffer != NULL ) {
free( client->ultra_buffer );
}
client->ultra_buffer_size = toRead;
client->ultra_buffer = (char*) malloc( client->ultra_buffer_size );
}
/* Fill the buffer, obtaining data from the server. */
if (!ReadFromRFBServer(client, client->ultra_buffer, toRead))
return FALSE;
/* uncompress the data */
uncompressedBytes = client->raw_buffer_size;
inflateResult = lzo1x_decompress(
(lzo_byte *)client->ultra_buffer, toRead,
(lzo_byte *)client->raw_buffer, (lzo_uintp) &uncompressedBytes, NULL);
if ( inflateResult != LZO_E_OK )
{
rfbClientLog("ultra decompress returned error: %d\n",
inflateResult);
return FALSE;
}
/* Put the uncompressed contents of the update on the screen. */
ptr = (unsigned char *)client->raw_buffer;
for (i=0; i<numCacheRects; i++)
{
unsigned short sx, sy, sw, sh;
unsigned int se;
memcpy((char *)&sx, ptr, 2); ptr += 2;
memcpy((char *)&sy, ptr, 2); ptr += 2;
memcpy((char *)&sw, ptr, 2); ptr += 2;
memcpy((char *)&sh, ptr, 2); ptr += 2;
memcpy((char *)&se, ptr, 4); ptr += 4;
sx = rfbClientSwap16IfLE(sx);
sy = rfbClientSwap16IfLE(sy);
sw = rfbClientSwap16IfLE(sw);
sh = rfbClientSwap16IfLE(sh);
se = rfbClientSwap32IfLE(se);
if (se == rfbEncodingRaw)
{
CopyRectangle(client, (unsigned char *)ptr, sx, sy, sw, sh);
ptr += ((sw * sh) * (BPP / 8));
}
}
return TRUE;
}
#undef CARDBPP
#endif

@ -87,7 +87,7 @@ static rfbBool MallocFrameBuffer(rfbClient* client) {
static void initAppData(AppData* data) {
data->shareDesktop=TRUE;
data->viewOnly=FALSE;
data->encodingsString="tight zrle hextile zlib corre rre raw";
data->encodingsString="tight zrle ultra hextile zlib corre rre raw";
data->useBGR233=FALSE;
data->nColours=0;
data->forceOwnCmap=FALSE;

@ -19,7 +19,7 @@ include_HEADERS=../rfb/rfb.h ../rfb/rfbconfig.h ../rfb/rfbint.h \
../rfb/rfbproto.h ../rfb/keysym.h ../rfb/rfbregion.h ../rfb/rfbclient.h
noinst_HEADERS=d3des.h ../rfb/default8x16.h zrleoutstream.h \
zrlepalettehelper.h zrletypes.h private.h \
zrlepalettehelper.h zrletypes.h private.h minilzo.h lzoconf.h \
$(TIGHTVNCFILETRANSFERHDRS)
EXTRA_DIST=tableinit24.c tableinittctemplate.c tabletranstemplate.c \
@ -36,7 +36,7 @@ endif
LIB_SRCS = main.c rfbserver.c rfbregion.c auth.c sockets.c \
stats.c corre.c hextile.c rre.c translate.c cutpaste.c \
httpd.c cursor.c font.c \
draw.c selbox.c d3des.c vncauth.c cargs.c \
draw.c selbox.c d3des.c vncauth.c cargs.c minilzo.c ultra.c \
$(ZLIBSRCS) $(JPEGSRCS) $(TIGHTVNCFILETRANSFERSRCS)
libvncserver_a_SOURCES=$(LIB_SRCS)

@ -0,0 +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
<markus@oberhumer.com>
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 <config.h>
#endif
#include <limits.h>
#ifdef __cplusplus
extern "C" {
#endif
/***********************************************************************
// LZO requires a conforming <limits.h>
************************************************************************/
#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 <lzo16bit.h>
# 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 */

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