1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright (c) 2001 by Sun Microsystems, Inc. 24*7c478bd9Sstevel@tonic-gate * All rights reserved. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #ifndef _BYTEORDER_H 28*7c478bd9Sstevel@tonic-gate #define _BYTEORDER_H 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 31*7c478bd9Sstevel@tonic-gate extern "C" { 32*7c478bd9Sstevel@tonic-gate #endif 33*7c478bd9Sstevel@tonic-gate 34*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate #define swap32(x) \ 37*7c478bd9Sstevel@tonic-gate ((uint32_t)((((uint32_t)(x) & 0x000000ff) << 24) | \ 38*7c478bd9Sstevel@tonic-gate (((uint32_t)(x) & 0x0000ff00) << 8) | \ 39*7c478bd9Sstevel@tonic-gate (((uint32_t)(x) & 0x00ff0000) >> 8) | \ 40*7c478bd9Sstevel@tonic-gate (((uint32_t)(x) & 0xff000000) >> 24))) 41*7c478bd9Sstevel@tonic-gate 42*7c478bd9Sstevel@tonic-gate #define swap16(x) \ 43*7c478bd9Sstevel@tonic-gate ((uint16_t)((((uint16_t)(x) & 0x00ff) << 8) | \ 44*7c478bd9Sstevel@tonic-gate (((uint16_t)(x) & 0xff00) >> 8))) 45*7c478bd9Sstevel@tonic-gate 46*7c478bd9Sstevel@tonic-gate /* 47*7c478bd9Sstevel@tonic-gate * endianess issues 48*7c478bd9Sstevel@tonic-gate */ 49*7c478bd9Sstevel@tonic-gate #if defined(_BIG_ENDIAN) 50*7c478bd9Sstevel@tonic-gate #define CPU_TO_LE32(x) swap32(x) 51*7c478bd9Sstevel@tonic-gate #define CPU_TO_LE16(x) swap16(x) 52*7c478bd9Sstevel@tonic-gate #define CPU_TO_BE32(x) (x) 53*7c478bd9Sstevel@tonic-gate #define CPU_TO_BE16(x) (x) 54*7c478bd9Sstevel@tonic-gate #else 55*7c478bd9Sstevel@tonic-gate #define CPU_TO_LE32(x) (x) 56*7c478bd9Sstevel@tonic-gate #define CPU_TO_LE16(x) (x) 57*7c478bd9Sstevel@tonic-gate #define CPU_TO_BE32(x) swap32(x) 58*7c478bd9Sstevel@tonic-gate #define CPU_TO_BE16(x) swap16(x) 59*7c478bd9Sstevel@tonic-gate #endif 60*7c478bd9Sstevel@tonic-gate 61*7c478bd9Sstevel@tonic-gate #define LE32_TO_CPU(x) CPU_TO_LE32(x) 62*7c478bd9Sstevel@tonic-gate #define LE16_TO_CPU(x) CPU_TO_LE16(x) 63*7c478bd9Sstevel@tonic-gate #define BE32_TO_CPU(x) CPU_TO_BE32(x) 64*7c478bd9Sstevel@tonic-gate #define BE16_TO_CPU(x) CPU_TO_BE16(x) 65*7c478bd9Sstevel@tonic-gate 66*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 67*7c478bd9Sstevel@tonic-gate } 68*7c478bd9Sstevel@tonic-gate #endif 69*7c478bd9Sstevel@tonic-gate 70*7c478bd9Sstevel@tonic-gate #endif /* _BYTEORDER_H */ 71