| /* 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 */ |