/* * Copyright (c) 2011 Martin Decky * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup cdfs * @{ */ #ifndef CDFS_CDFS_ENDIAN_H_ #define CDFS_CDFS_ENDIAN_H_ #include <stdint.h> #if !(defined(__BE__) ^ defined(__LE__)) #error The architecture must be either big-endian or little-endian. #endif typedef struct { uint16_t le; uint16_t be; } __attribute__((packed)) uint16_t_lb; typedef struct { uint32_t le; uint32_t be; } __attribute__((packed)) uint32_t_lb; static inline uint16_t uint16_lb(uint16_t_lb val) { #ifdef __LE__ return val.le; #endif #ifdef __BE__ return val.be; #endif } static inline uint32_t uint32_lb(uint32_t_lb val) { #ifdef __LE__ return val.le; #endif #ifdef __BE__ return val.be; #endif } #endif /** * @} */