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Annotation of 43BSDReno/sys/hp300/endian.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1987 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution is only permitted until one year after the first shipment
                      6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
                      7:  * binary forms are permitted provided that: (1) source distributions retain
                      8:  * this entire copyright notice and comment, and (2) distributions including
                      9:  * binaries display the following acknowledgement:  This product includes
                     10:  * software developed by the University of California, Berkeley and its
                     11:  * contributors'' in the documentation or other materials provided with the
                     12:  * distribution and in all advertising materials mentioning features or use
                     13:  * of this software.  Neither the name of the University nor the names of
                     14:  * its contributors may be used to endorse or promote products derived from
                     15:  * this software without specific prior written permission.
                     16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     19:  *
                     20:  *     @(#)endian.h    7.5 (Berkeley) 5/8/90
                     21:  */
                     22: 
                     23: /*
                     24:  * Definitions for byte order,
                     25:  * according to byte significance from low address to high.
                     26:  */
                     27: #define        LITTLE_ENDIAN   1234    /* least-significant byte first (vax) */
                     28: #define        BIG_ENDIAN      4321    /* most-significant byte first (IBM, net) */
                     29: #define        PDP_ENDIAN      3412    /* LSB first in word, MSW first in long (pdp) */
                     30: 
                     31: #define        BYTE_ORDER      BIG_ENDIAN      /* byte order on mc68000 */
                     32: 
                     33: /*
                     34:  * Macros for network/external number representation conversion.
                     35:  */
                     36: #if BYTE_ORDER == BIG_ENDIAN && !defined(lint)
                     37: #define        ntohl(x)        (x)
                     38: #define        ntohs(x)        (x)
                     39: #define        htonl(x)        (x)
                     40: #define        htons(x)        (x)
                     41: 
                     42: #define        NTOHL(x)        (x)
                     43: #define        NTOHS(x)        (x)
                     44: #define        HTONL(x)        (x)
                     45: #define        HTONS(x)        (x)
                     46: 
                     47: #else
                     48: 
                     49: unsigned short ntohs(), htons();
                     50: unsigned long  ntohl(), htonl();
                     51: 
                     52: #define        NTOHL(x)        (x) = ntohl(x)
                     53: #define        NTOHS(x)        (x) = ntohs(x)
                     54: #define        HTONL(x)        (x) = htonl(x)
                     55: #define        HTONS(x)        (x) = htons(x)
                     56: #endif

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