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121 lines
3.3 KiB
121 lines
3.3 KiB
15 years ago
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/* This file is part of the KDE project
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Copyright (C) 2003-2004 Jaroslaw Staniek <js@iidea.pl>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef _BYTEORDER_H
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#define _BYTEORDER_H
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#undef INCL_WINSOCK_API_PROTOTYPES
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#define INCL_WINSOCK_API_PROTOTYPES 1 //for ntohl(), etc.
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#include <winsock2.h> //struct timeval, ntohl(), etc
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if 0
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#undef ntohl
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#undef ntohs
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#undef htonl
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#undef htons
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#endif
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#ifndef __LITTLE_ENDIAN
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#define __LITTLE_ENDIAN 1234
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#endif
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#ifndef __LITTLE_ENDIAN_BITFIELD
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#define __LITTLE_ENDIAN_BITFIELD
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#endif
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#if 1
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//defined in winsock: extern unsigned long int ntohl(unsigned long int);
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//defined in winsock: extern unsigned short int ntohs(unsigned short int);
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//defined in winsock: extern unsigned long int htonl(unsigned long int);
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//defined in winsock: extern unsigned short int htons(unsigned short int);
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/*
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extern __inline__ unsigned long int __ntohl(unsigned long int);
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extern __inline__ unsigned short int __ntohs(unsigned short int);
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extern __inline__ unsigned long int __constant_ntohl(unsigned long int);
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extern __inline__ unsigned short int __constant_ntohs(unsigned short int);
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*/
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/*
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extern __inline__ unsigned long int
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__ntohl(unsigned long int x)
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{
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__asm__("xchgb %b0,%h0\n\t" // swap lower bytes
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"rorl $16,%0\n\t" // swap words
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"xchgb %b0,%h0" // swap higher bytes
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:"=q" (x)
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: "0" (x));
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return x;
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}
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*/
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#define __constant_ntohl(x) \
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((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \
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(((unsigned long int)(x) & 0x0000ff00U) << 8) | \
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(((unsigned long int)(x) & 0x00ff0000U) >> 8) | \
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(((unsigned long int)(x) & 0xff000000U) >> 24)))
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/*
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extern __inline__ unsigned short int
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__ntohs(unsigned short int x)
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{
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__asm__("xchgb %b0,%h0" // swap bytes
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: "=q" (x)
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: "0" (x));
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return x;
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}
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*/
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#define __constant_ntohs(x) \
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((unsigned short int)((((unsigned short int)(x) & 0x00ff) << 8) | \
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(((unsigned short int)(x) & 0xff00) >> 8))) \
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#define __htonl(x) __ntohl(x)
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#define __htons(x) __ntohs(x)
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#define __constant_htonl(x) __constant_ntohl(x)
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#define __constant_htons(x) __constant_ntohs(x)
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#ifdef __OPTIMIZE__
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# define ntohl(x) \
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(__builtin_constant_p((long)(x)) ? \
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__constant_ntohl((x)) : \
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__ntohl((x)))
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# define ntohs(x) \
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(__builtin_constant_p((short)(x)) ? \
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__constant_ntohs((x)) : \
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__ntohs((x)))
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# define htonl(x) \
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(__builtin_constant_p((long)(x)) ? \
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__constant_htonl((x)) : \
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__htonl((x)))
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# define htons(x) \
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(__builtin_constant_p((short)(x)) ? \
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__constant_htons((x)) : \
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__htons((x)))
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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