1 /* $NetBSD: endian.h,v 1.2 1996/10/13 03:16:41 christos Exp $ */ 2 3 /*- 4 * Copyright (C) 1995 Wolfgang Solfrank. 5 * Copyright (C) 1995 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _PPC_ENDIAN_H_ 35 #define _PPC_ENDIAN_H_ 36 37 #ifndef _POSIX_SOURCE 38 39 #define _QUAD_HIGHWORD 0 40 #define _QUAD_LOWWORD 1 41 42 /* 43 * Definitions for byte order, according to byte significance from low 44 * address to high. 45 */ 46 #define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ 47 #define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ 48 #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ 49 50 #define BYTE_ORDER BIG_ENDIAN /* for now */ 51 52 #include <sys/cdefs.h> 53 54 typedef u_int32_t in_addr_t; 55 typedef u_int16_t in_port_t; 56 57 __BEGIN_DECLS 58 in_addr_t htonl __P((in_addr_t)); 59 in_port_t htons __P((in_port_t)); 60 in_addr_t ntohl __P((in_addr_t)); 61 in_port_t ntohs __P((in_port_t)); 62 __END_DECLS 63 64 /* 65 * Macros for network/external number representation conversion. 66 */ 67 #if BYTE_ORDER == BIG_ENDIAN && !defined(lint) 68 #define ntohl(x) (x) 69 #define ntohs(x) (x) 70 #define htonl(x) (x) 71 #define htons(x) (x) 72 73 #define NTOHL(x) (void) (x) 74 #define NTOHS(x) (void) (x) 75 #define HTONL(x) (void) (x) 76 #define HTONS(x) (void) (x) 77 78 #else 79 80 #define NTOHL(x) (x) = ntohl((in_addr_t)x) 81 #define NTOHS(x) (x) = ntohs((in_port_t)x) 82 #define HTONL(x) (x) = htonl((in_addr_t)x) 83 #define HTONS(x) (x) = htons((in_port_t)x) 84 #endif 85 86 #endif /* _POSIX_SOURCE */ 87 #endif /* _PPC_ENDIAN_H_ */ 88