Xarch.h
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上传日期:2022-06-04
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文件大小:3k
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流媒体/Mpeg4/MP4
开发平台:
Visual C++
- #ifndef _XARCH_H_
- #define _XARCH_H_
- /*
- * Copyright 1997 Metro Link Incorporated
- *
- * All Rights Reserved
- *
- * 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, and that the names of the above listed copyright holder(s)
- * not be used in advertising or publicity pertaining to distribution of
- * the software without specific, written prior permission. The above listed
- * copyright holder(s) make(s) no representations about the suitability of
- * this software for any purpose. It is provided "as is" without express or
- * implied warranty.
- *
- * THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD
- * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE
- * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
- * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
- * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
- /* $XFree86: xc/include/Xarch.h,v 1.10tsi Exp $ */
- /*
- * Determine the machine's byte order.
- */
- /* See if it is set in the imake config first */
- #ifdef X_BYTE_ORDER
- #define X_BIG_ENDIAN 4321
- #define X_LITTLE_ENDIAN 1234
- #else
- #ifdef SVR4
- #if defined(NCR) || defined(Mips) || defined(__sgi)
- #include <sys/endian.h>
- #else
- #if !defined(sun)
- #include <sys/byteorder.h>
- #endif
- #endif
- #elif defined(CSRG_BASED)
- #if defined(__NetBSD__) || defined(__OpenBSD__)
- #include <sys/types.h>
- #endif
- #include <machine/endian.h>
- #elif defined(linux)
- #if defined __STRICT_ANSI__
- #undef __STRICT_ANSI__
- #include <endian.h>
- #define __STRICT_ANSI__
- #else
- #include <endian.h>
- #endif
- /* 'endian.h' might have been included before 'Xarch.h' */
- #if !defined(LITTLE_ENDIAN) && defined(__LITTLE_ENDIAN)
- #define LITTLE_ENDIAN __LITTLE_ENDIAN
- #endif
- #if !defined(BIG_ENDIAN) && defined(__BIG_ENDIAN)
- #define BIG_ENDIAN __BIG_ENDIAN
- #endif
- #if !defined(PDP_ENDIAN) && defined(__PDP_ENDIAN)
- #define PDP_ENDIAN __PDP_ENDIAN
- #endif
- #if !defined(BYTE_ORDER) && defined(__BYTE_ORDER)
- #define BYTE_ORDER __BYTE_ORDER
- #endif
- #elif defined(Lynx)
- #if 0
- /* LynxOS 2.4.0 has wrong defines in bsd/ip.h */
- #include <bsd/in.h>
- #include <bsd/in_systm.h>
- #include <bsd/ip.h>
- #endif
- #endif
- #ifndef BYTE_ORDER
- #define LITTLE_ENDIAN 1234
- #define BIG_ENDIAN 4321
- #if defined(__QNX__) && !defined(__QNXNTO__)
- #define BYTE_ORDER LITTLE_ENDIAN
- #endif
- #if defined(__QNXNTO__)
- #if defined(i386) || defined(__i386__) || defined(__x86__)
- #define BYTE_ORDER LITTLE_ENDIAN
- #else
- #define BYTE_ORDER BIG_ENDIAN
- #endif
- #endif
- #ifdef Lynx
- #if defined(i386) || defined(__i386__) || defined(__x86__)
- #define BYTE_ORDER LITTLE_ENDIAN
- #else
- #define BYTE_ORDER BIG_ENDIAN
- #endif
- #endif
- #if (defined(sun) && defined(SVR4)) && !defined(Lynx)
- #include <sys/isa_defs.h>
- #ifdef _LITTLE_ENDIAN
- #define BYTE_ORDER LITTLE_ENDIAN
- #endif
- #ifdef _BIG_ENDIAN
- #define BYTE_ORDER BIG_ENDIAN
- #endif
- #endif /* sun */
- #endif /* BYTE_ORDER */
- #define X_BYTE_ORDER BYTE_ORDER
- #define X_BIG_ENDIAN BIG_ENDIAN
- #define X_LITTLE_ENDIAN LITTLE_ENDIAN
- #endif /* not in imake config */
- #endif /* _XARCH_H_ */