91 lines
3.9 KiB
C
91 lines
3.9 KiB
C
|
/*
|
||
|
|
* Copyright (c) 1997
|
||
|
|
* Silicon Graphics Computer Systems, Inc.
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, distribute and sell this software
|
||
|
|
* and its documentation for any purpose is hereby granted without fee,
|
||
|
|
* provided that the above copyright notice appear in all copies and
|
||
|
|
* that both that copyright notice and this permission notice appear
|
||
|
|
* in supporting documentation. Silicon Graphics makes no
|
||
|
|
* representations about the suitability of this software for any
|
||
|
|
* purpose. It is provided "as is" without express or implied warranty.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright notice reproduced from <boost/detail/limits.hpp>, from
|
||
|
|
* which this code was originally taken.
|
||
|
|
*
|
||
|
|
* Modified by Caleb Epstein to use <endian.h> with GNU libc and to
|
||
|
|
* define the BOOST_ENDIAN macro.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Modified 2006-02-25 By SISCO, Inc. from Boost source.
|
||
|
|
* source code simplified, made C compliant, and BOOST_BYTE_ORDER removed
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef _STDTIME_ENDIAN_H_9F8D5A2A_B2F9_4F41_A9A0_D2D3912E3082_
|
||
|
|
#define _STDTIME_ENDIAN_H_9F8D5A2A_B2F9_4F41_A9A0_D2D3912E3082_
|
||
|
|
|
||
|
|
|
||
|
|
#undef HOST_BIG_ENDIAN
|
||
|
|
#undef HOST_LITTLE_ENDIAN
|
||
|
|
|
||
|
|
/* GNU libc offers the helpful header <endian.h> which defines __BYTE_ORDER */
|
||
|
|
|
||
|
|
#ifdef __GLIBC__
|
||
|
|
#include <endian.h>
|
||
|
|
|
||
|
|
#if (__BYTE_ORDER == __LITTLE_ENDIAN) /* 1234 */
|
||
|
|
#define HOST_LITTLE_ENDIAN
|
||
|
|
#elif (__BYTE_ORDER == __BIG_ENDIAN) /* 4321 */
|
||
|
|
#define HOST_BIG_ENDIAN
|
||
|
|
#elif (__BYTE_ORDER == __PDP_ENDIAN)
|
||
|
|
#error PDP_ENDIAN order not supported
|
||
|
|
#else
|
||
|
|
#error unknown machine endian order
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#elif defined(_MIPSEB) \
|
||
|
|
|| defined(_POWER) \
|
||
|
|
|| defined(__hppa) \
|
||
|
|
|| defined(__powerpc__) \
|
||
|
|
|| defined(__ppc__) \
|
||
|
|
|| defined(__s390__) \
|
||
|
|
|| defined(__sparc) \
|
||
|
|
|| defined(__sparc__) \
|
||
|
|
|| defined(sun) \
|
||
|
|
|| defined(_AIX) \
|
||
|
|
|| defined(VXWORKS) \
|
||
|
|
|| defined(__hpux) /**/
|
||
|
|
#define HOST_BIG_ENDIAN
|
||
|
|
|
||
|
|
|
||
|
|
#elif defined(_M_ALPHA) \
|
||
|
|
|| defined(_M_IA64) \
|
||
|
|
|| defined(_M_IX86) \
|
||
|
|
|| defined(__alpha__) \
|
||
|
|
|| defined(__i386__) \
|
||
|
|
|| defined(__ia64) \
|
||
|
|
|| defined(__ia64__) \
|
||
|
|
|| defined(MSDOS) \
|
||
|
|
|| defined(_WIN32) \
|
||
|
|
|| defined(__LYNX) \
|
||
|
|
|| defined(__MSDOS__) \
|
||
|
|
|| defined(__OS2__) \
|
||
|
|
|| defined(__QNX__) \
|
||
|
|
|| defined(linux) \
|
||
|
|
|| (defined(__ALPHA) && defined(__VMS)) \
|
||
|
|
|| (defined(__alpha) && !defined(__VMS)) /**/
|
||
|
|
#define HOST_LITTLE_ENDIAN
|
||
|
|
|
||
|
|
|
||
|
|
#else
|
||
|
|
#error the file host_endian.h needs to be configured for your CPU type
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _STDTIME_ENDIAN_H_9F8D5A2A_B2F9_4F41_A9A0_D2D3912E3082_ */
|
||
|
|
|