71 lines
3.9 KiB
C
71 lines
3.9 KiB
C
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/*************************************************************************/
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/* */
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/* Language Technologies Institute */
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/* Carnegie Mellon University */
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/* Copyright (c) 1999 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
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/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
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/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
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/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
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/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
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/* THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* Author: Alan W Black (awb@cs.cmu.edu) */
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/* Date: August 2000 */
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/*************************************************************************/
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/* */
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/* endianness */
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/* */
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/*************************************************************************/
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#ifndef __CST_ENDIAN_H__
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#define __CST_ENDIAN_H__
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extern const int cst_endian_loc;
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/* Sun, HP, SGI Mips, M68000 */
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#define CST_BIG_ENDIAN (((char *)&cst_endian_loc)[0] == 0)
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/* Intel, Alpha, DEC Mips, Vax, Arm, Other MIPS (Casio etc) */
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#define CST_LITTLE_ENDIAN (((char *)&cst_endian_loc)[0] != 0)
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/* EST byte order strings */
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#define BYTE_ORDER_BIG "10"
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#define BYTE_ORDER_LITTLE "01"
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#define SWAPINT(x) ((((unsigned int)x) & 0xff) << 24 | \
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(((unsigned int)x) & 0xff00) << 8 | \
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(((unsigned int)x) & 0xff0000) >> 8 | \
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(((unsigned int)x) & 0xff000000) >> 24)
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/* For m68k we want to be a little more explicit */
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#define SWAPLONG(x) ((((unsigned long)x) & 0xff) << 24 | \
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(((unsigned long)x) & 0xff00) << 8 | \
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(((unsigned long)x) & 0xff0000) >> 8 | \
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(((unsigned long)x) & 0xff000000) >> 24)
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#define SWAPSHORT(x) ((((unsigned short)x) & 0xff) << 8 | \
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(((unsigned short)x) & 0xff00) >> 8)
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void swap_bytes_short(short * b,int n);
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void swapdouble(double *d);
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void swapfloat(float *f);
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#endif
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