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/* This file is part of the KDE project
Copyright (C) 2003-2004 Jaroslaw Staniek <js@iidea.pl>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _BYTEORDER_H
#define _BYTEORDER_H
#undef INCL_WINSOCK_API_PROTOTYPES
#define INCL_WINSOCK_API_PROTOTYPES 1 //for ntohl(), etc.
#include <winsock2.h> //struct timeval, ntohl(), etc
#ifdef __cplusplus
extern "C" {
#endif
#if 0
#undef ntohl
#undef ntohs
#undef htonl
#undef htons
#endif
#ifndef __LITTLE_ENDIAN
#define __LITTLE_ENDIAN 1234
#endif
#ifndef __LITTLE_ENDIAN_BITFIELD
#define __LITTLE_ENDIAN_BITFIELD
#endif
#if 1
//defined in winsock: extern unsigned long int ntohl(unsigned long int);
//defined in winsock: extern unsigned short int ntohs(unsigned short int);
//defined in winsock: extern unsigned long int htonl(unsigned long int);
//defined in winsock: extern unsigned short int htons(unsigned short int);
/*
extern __inline__ unsigned long int __ntohl(unsigned long int);
extern __inline__ unsigned short int __ntohs(unsigned short int);
extern __inline__ unsigned long int __constant_ntohl(unsigned long int);
extern __inline__ unsigned short int __constant_ntohs(unsigned short int);
*/
/*
extern __inline__ unsigned long int
__ntohl(unsigned long int x)
{
__asm__("xchgb %b0,%h0\n\t" // swap lower bytes
"rorl $16,%0\n\t" // swap words
"xchgb %b0,%h0" // swap higher bytes
:"=q" (x)
: "0" (x));
return x;
}
*/
#define __constant_ntohl(x) \
((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \
(((unsigned long int)(x) & 0x0000ff00U) << 8) | \
(((unsigned long int)(x) & 0x00ff0000U) >> 8) | \
(((unsigned long int)(x) & 0xff000000U) >> 24)))
/*
extern __inline__ unsigned short int
__ntohs(unsigned short int x)
{
__asm__("xchgb %b0,%h0" // swap bytes
: "=q" (x)
: "0" (x));
return x;
}
*/
#define __constant_ntohs(x) \
((unsigned short int)((((unsigned short int)(x) & 0x00ff) << 8) | \
(((unsigned short int)(x) & 0xff00) >> 8))) \
#define __htonl(x) __ntohl(x)
#define __htons(x) __ntohs(x)
#define __constant_htonl(x) __constant_ntohl(x)
#define __constant_htons(x) __constant_ntohs(x)
#ifdef __OPTIMIZE__
# define ntohl(x) \
(__builtin_constant_p((long)(x)) ? \
__constant_ntohl((x)) : \
__ntohl((x)))
# define ntohs(x) \
(__builtin_constant_p((short)(x)) ? \
__constant_ntohs((x)) : \
__ntohs((x)))
# define htonl(x) \
(__builtin_constant_p((long)(x)) ? \
__constant_htonl((x)) : \
__htonl((x)))
# define htons(x) \
(__builtin_constant_p((short)(x)) ? \
__constant_htons((x)) : \
__htons((x)))
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif
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