1 /* $OpenBSD: endian.h,v 1.3 2005/12/13 00:35:23 millert Exp $ */ 2 3 /* 4 * Copyright (C) 2013 The Android Open Source Project 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 21 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 24 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 27 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _MACHINE_ENDIAN_H_ 32 #define _MACHINE_ENDIAN_H_ 33 34 #ifdef __GNUC__ 35 36 /* 37 * Implement below swap{16,32,64}md functions in libportable 38 * that are optimized for your architecture. 39 * 40 * uint16_t __swap16md(uint16_t x); 41 * uint32_t __swap32md(uint32_t x); 42 * uint64_t __swap64md(uint64_t x); 43 */ 44 45 /* Tell sys/endian.h we have MD variants of the swap macros. 46 * #define MD_SWAP 47 */ 48 #endif /* __GNUC__ */ 49 50 #define _BYTE_ORDER _LITTLE_ENDIAN 51 #define __STRICT_ALIGNMENT 52 #include <sys/types.h> 53 #include <sys/endian.h> 54 55 #endif /* !_MACHINE_ENDIAN_H_ */ 56
