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- /*===========================================================================*
- * byteorder.h *
- * *
- * stuff to handle different byte order *
- * *
- *===========================================================================*/
-
- /*
- * Copyright (c) 1993 The Regents of the University of California.
- * All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose, without fee, and without written agreement is
- * hereby granted, provided that the above copyright notice and the following
- * two paragraphs appear in all copies of this software.
- *
- * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
- * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
- * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- */
-
- /*
- * $Header: /n/picasso/users/keving/encode/src/headers/RCS/byteorder.h,v 1.1 1993/07/22 22:24:23 keving Exp keving $
- * $Log: byteorder.h,v $
- * Revision 1.1 1993/07/22 22:24:23 keving
- * nothing
- *
- */
-
-
- #include "general.h"
-
-
- #ifdef FORCE_BIG_ENDIAN
- /* leave byte order as it is */
- #define htonl(x) (x)
- #define ntohl(x) (x)
- #define htons(x) (x)
- #define ntohs(x) (x)
- #else
- #ifdef FORCE_LITTLE_ENDIAN
- /* need to reverse byte order */
- /* note -- we assume here that htonl is called on a variable, not a
- * constant; thus, this is not for general use, but works with bitio.c
- */
- #define htonl(x) \
- ((((unsigned char *)(&x))[0] << 24) | \
- (((unsigned char *)(&x))[1] << 16) | \
- (((unsigned char *)(&x))[2] << 8) | \
- (((unsigned char *)(&x))[3]))
- #define ntohl(x) htonl(x)
- #define htons(x) \
- ((((unsigned char *)(&x))[0] << 8) | \
- ((unsigned char *)(&x))[1])
- #define ntohs(x) htons(x)
- #else
- /* let in.h handle it, if possible */
- #include <sys/types.h>
- #include <netinet/in.h>
- #endif /* FORCE_LITTLE_ENDIAN */
- #endif /* FORCE_BIG_ENDIAN */
-