1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate /* 31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 32*0Sstevel@tonic-gate * The Regents of the University of California 33*0Sstevel@tonic-gate * All Rights Reserved 34*0Sstevel@tonic-gate * 35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 37*0Sstevel@tonic-gate * contributors. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #ifndef _SYS_BYTEORDER_H 41*0Sstevel@tonic-gate #define _SYS_BYTEORDER_H 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate #include <sys/isa_defs.h> 46*0Sstevel@tonic-gate #include <sys/int_types.h> 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate #if defined(__GNUC__) && defined(_ASM_INLINES) 49*0Sstevel@tonic-gate #include <asm/byteorder.h> 50*0Sstevel@tonic-gate #endif 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate #ifdef __cplusplus 53*0Sstevel@tonic-gate extern "C" { 54*0Sstevel@tonic-gate #endif 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate /* 57*0Sstevel@tonic-gate * macros for conversion between host and (internet) network byte order 58*0Sstevel@tonic-gate */ 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate #if defined(_BIG_ENDIAN) && !defined(ntohl) && !defined(__lint) 61*0Sstevel@tonic-gate /* big-endian */ 62*0Sstevel@tonic-gate #define ntohl(x) (x) 63*0Sstevel@tonic-gate #define ntohs(x) (x) 64*0Sstevel@tonic-gate #define htonl(x) (x) 65*0Sstevel@tonic-gate #define htons(x) (x) 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate #elif !defined(ntohl) /* little-endian */ 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate #ifndef _IN_PORT_T 70*0Sstevel@tonic-gate #define _IN_PORT_T 71*0Sstevel@tonic-gate typedef uint16_t in_port_t; 72*0Sstevel@tonic-gate #endif 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate #ifndef _IN_ADDR_T 75*0Sstevel@tonic-gate #define _IN_ADDR_T 76*0Sstevel@tonic-gate typedef uint32_t in_addr_t; 77*0Sstevel@tonic-gate #endif 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate #if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) 80*0Sstevel@tonic-gate extern uint32_t htonl(uint32_t); 81*0Sstevel@tonic-gate extern uint16_t htons(uint16_t); 82*0Sstevel@tonic-gate extern uint32_t ntohl(uint32_t); 83*0Sstevel@tonic-gate extern uint16_t ntohs(uint16_t); 84*0Sstevel@tonic-gate #else 85*0Sstevel@tonic-gate extern in_addr_t htonl(in_addr_t); 86*0Sstevel@tonic-gate extern in_port_t htons(in_port_t); 87*0Sstevel@tonic-gate extern in_addr_t ntohl(in_addr_t); 88*0Sstevel@tonic-gate extern in_port_t ntohs(in_port_t); 89*0Sstevel@tonic-gate #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) */ 90*0Sstevel@tonic-gate #endif 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate /* 95*0Sstevel@tonic-gate * Macros to reverse byte order 96*0Sstevel@tonic-gate */ 97*0Sstevel@tonic-gate #define BSWAP_8(x) ((x) & 0xff) 98*0Sstevel@tonic-gate #define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8)) 99*0Sstevel@tonic-gate #define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16)) 100*0Sstevel@tonic-gate #define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32)) 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate #define BMASK_8(x) ((x) & 0xff) 103*0Sstevel@tonic-gate #define BMASK_16(x) ((x) & 0xffff) 104*0Sstevel@tonic-gate #define BMASK_32(x) ((x) & 0xffffffff) 105*0Sstevel@tonic-gate #define BMASK_64(x) (x) 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate /* 108*0Sstevel@tonic-gate * Macros to convert from a specific byte order to/from native byte order 109*0Sstevel@tonic-gate */ 110*0Sstevel@tonic-gate #ifdef _BIG_ENDIAN 111*0Sstevel@tonic-gate #define BE_8(x) BMASK_8(x) 112*0Sstevel@tonic-gate #define BE_16(x) BMASK_16(x) 113*0Sstevel@tonic-gate #define BE_32(x) BMASK_32(x) 114*0Sstevel@tonic-gate #define BE_64(x) BMASK_64(x) 115*0Sstevel@tonic-gate #define LE_8(x) BSWAP_8(x) 116*0Sstevel@tonic-gate #define LE_16(x) BSWAP_16(x) 117*0Sstevel@tonic-gate #define LE_32(x) BSWAP_32(x) 118*0Sstevel@tonic-gate #define LE_64(x) BSWAP_64(x) 119*0Sstevel@tonic-gate #else 120*0Sstevel@tonic-gate #define LE_8(x) BMASK_8(x) 121*0Sstevel@tonic-gate #define LE_16(x) BMASK_16(x) 122*0Sstevel@tonic-gate #define LE_32(x) BMASK_32(x) 123*0Sstevel@tonic-gate #define LE_64(x) BMASK_64(x) 124*0Sstevel@tonic-gate #define BE_8(x) BSWAP_8(x) 125*0Sstevel@tonic-gate #define BE_16(x) BSWAP_16(x) 126*0Sstevel@tonic-gate #define BE_32(x) BSWAP_32(x) 127*0Sstevel@tonic-gate #define BE_64(x) BSWAP_64(x) 128*0Sstevel@tonic-gate #endif 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 131*0Sstevel@tonic-gate 132*0Sstevel@tonic-gate #ifdef __cplusplus 133*0Sstevel@tonic-gate } 134*0Sstevel@tonic-gate #endif 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate #endif /* _SYS_BYTEORDER_H */ 137