/* Copyright (c) 2012 Josh Triplett <josh@joshtriplett.org> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #ifndef SPARSE_ENDIAN_H #define SPARSE_ENDIAN_H #include <endian.h> #include <stdint.h> #ifdef __CHECKER__ #define __bitwise __attribute__((bitwise)) #define __force __attribute__((force)) #else #define __bitwise #define __force #endif typedef uint16_t __bitwise le16_t; typedef uint16_t __bitwise be16_t; typedef uint32_t __bitwise le32_t; typedef uint32_t __bitwise be32_t; typedef uint64_t __bitwise le64_t; typedef uint64_t __bitwise be64_t; #undef htobe16 #undef htole16 #undef be16toh #undef le16toh #undef htobe32 #undef htole32 #undef be32toh #undef le32toh #undef htobe64 #undef htole64 #undef be64toh #undef le64toh #if __BYTE_ORDER == __LITTLE_ENDIAN #define bswap_16_on_le(x) __bswap_16(x) #define bswap_32_on_le(x) __bswap_32(x) #define bswap_64_on_le(x) __bswap_64(x) #define bswap_16_on_be(x) (x) #define bswap_32_on_be(x) (x) #define bswap_64_on_be(x) (x) #elif __BYTE_ORDER == __BIG_ENDIAN #define bswap_16_on_le(x) (x) #define bswap_32_on_le(x) (x) #define bswap_64_on_le(x) (x) #define bswap_16_on_be(x) __bswap_16(x) #define bswap_32_on_be(x) __bswap_32(x) #define bswap_64_on_be(x) __bswap_64(x) #endif static inline le16_t htole16(uint16_t value) { return (le16_t __force) bswap_16_on_be(value); } static inline le32_t htole32(uint32_t value) { return (le32_t __force) bswap_32_on_be(value); } static inline le64_t htole64(uint64_t value) { return (le64_t __force) bswap_64_on_be(value); } static inline be16_t htobe16(uint16_t value) { return (be16_t __force) bswap_16_on_le(value); } static inline be32_t htobe32(uint32_t value) { return (be32_t __force) bswap_32_on_le(value); } static inline be64_t htobe64(uint64_t value) { return (be64_t __force) bswap_64_on_le(value); } static inline uint16_t le16toh(le16_t value) { return bswap_16_on_be((uint16_t __force)value); } static inline uint32_t le32toh(le32_t value) { return bswap_32_on_be((uint32_t __force)value); } static inline uint64_t le64toh(le64_t value) { return bswap_64_on_be((uint64_t __force)value); } static inline uint16_t be16toh(be16_t value) { return bswap_16_on_le((uint16_t __force)value); } static inline uint32_t be32toh(be32_t value) { return bswap_32_on_le((uint32_t __force)value); } static inline uint64_t be64toh(be64_t value) { return bswap_64_on_le((uint64_t __force)value); } #endif /* SPARSE_ENDIAN_H */