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- /*************************************************************************/
- /* */
- /* Language Technologies Institute */
- /* Carnegie Mellon University */
- /* Copyright (c) 1999 */
- /* All Rights Reserved. */
- /* */
- /* Permission is hereby granted, free of charge, to use and distribute */
- /* this software and its documentation without restriction, including */
- /* without limitation the rights to use, copy, modify, merge, publish, */
- /* distribute, sublicense, and/or sell copies of this work, and to */
- /* permit persons to whom this work is furnished to do so, subject to */
- /* the following conditions: */
- /* 1. The code must retain the above copyright notice, this list of */
- /* conditions and the following disclaimer. */
- /* 2. Any modifications must be clearly marked as such. */
- /* 3. Original authors' names are not deleted. */
- /* 4. The authors' names are not used to endorse or promote products */
- /* derived from this software without specific prior written */
- /* permission. */
- /* */
- /* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
- /* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
- /* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
- /* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS 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. */
- /* */
- /*************************************************************************/
- /* Author: Alan W Black (awb@cs.cmu.edu) */
- /* Date: August 2000 */
- /*************************************************************************/
- /* */
- /* endianness */
- /* */
- /*************************************************************************/
- #ifndef __CST_ENDIAN_H__
- #define __CST_ENDIAN_H__
- /* This gets set to 1 and we test where the on bit is to determine byteorder */
- extern const int cst_endian_loc;
- /* Sun, HP, SGI Mips, M68000, PowerPC */
- #define CST_BIG_ENDIAN (((char *)&cst_endian_loc)[0] == 0)
- /* Intel, Alpha, DEC Mips, Vax, ARM, Other MIPS (Casio, Ben Nanonote etc) */
- #define CST_LITTLE_ENDIAN (((char *)&cst_endian_loc)[0] != 0)
- /* Perq (from Three Rivers) has a third byte order -- but we have no support */
- /* EST byte order strings */
- #define BYTE_ORDER_BIG "10"
- #define BYTE_ORDER_LITTLE "01"
- #define SWAPINT(x) ((((unsigned int)x) & 0xff) << 24 | \
- (((unsigned int)x) & 0xff00) << 8 | \
- (((unsigned int)x) & 0xff0000) >> 8 | \
- (((unsigned int)x) & 0xff000000) >> 24)
- /* For m68k we want to be a little more explicit */
- #define SWAPLONG(x) ((((unsigned long)x) & 0xff) << 24 | \
- (((unsigned long)x) & 0xff00) << 8 | \
- (((unsigned long)x) & 0xff0000) >> 8 | \
- (((unsigned long)x) & 0xff000000) >> 24)
- #define SWAPSHORT(x) ((((unsigned short)x) & 0xff) << 8 | \
- (((unsigned short)x) & 0xff00) >> 8)
- void swap_bytes_short(short * b,int n);
- void swapdouble(double *d);
- void swapfloat(float *f);
- #endif
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