| // -*- mode: c++ -*- | |
| // Copyright (c) 2010, Google Inc. | |
| // 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. | |
| // * Neither the name of Google Inc. nor the names of its | |
| // contributors may be used to endorse or promote products derived from | |
| // this software without specific prior written permission. | |
| // | |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| // "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 COPYRIGHT | |
| // OWNER OR CONTRIBUTORS 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. | |
| // Original author: Jim Blandy <jim@mozilla.com> <jimb@red-bean.com> | |
| // byteswap.h: Overloaded functions for conveniently byteswapping values. | |
| #ifndef COMMON_MAC_BYTESWAP_H_ | |
| #define COMMON_MAC_BYTESWAP_H_ | |
| #ifdef __APPLE__ | |
| #include <libkern/OSByteOrder.h> | |
| static inline uint16_t ByteSwap(uint16_t v) { return OSSwapInt16(v); } | |
| static inline uint32_t ByteSwap(uint32_t v) { return OSSwapInt32(v); } | |
| static inline uint64_t ByteSwap(uint64_t v) { return OSSwapInt64(v); } | |
| static inline int16_t ByteSwap(int16_t v) { return OSSwapInt16(v); } | |
| static inline int32_t ByteSwap(int32_t v) { return OSSwapInt32(v); } | |
| static inline int64_t ByteSwap(int64_t v) { return OSSwapInt64(v); } | |
| #elif defined(__linux__) | |
| // For NXByteOrder | |
| #include <architecture/byte_order.h> | |
| #include <stdint.h> | |
| #include <endian.h> | |
| #include_next <byteswap.h> | |
| static inline uint16_t ByteSwap(uint16_t v) { return bswap_16(v); } | |
| static inline uint32_t ByteSwap(uint32_t v) { return bswap_32(v); } | |
| static inline uint64_t ByteSwap(uint64_t v) { return bswap_64(v); } | |
| static inline int16_t ByteSwap(int16_t v) { return bswap_16(v); } | |
| static inline int32_t ByteSwap(int32_t v) { return bswap_32(v); } | |
| static inline int64_t ByteSwap(int64_t v) { return bswap_64(v); } | |
| static inline NXByteOrder NXHostByteOrder() { | |
| #ifdef __LITTLE_ENDIAN | |
| return NX_LittleEndian; | |
| #else | |
| return NX_BigEndian; | |
| #endif | |
| } | |
| #endif // __APPLE__ | |
| #endif // COMMON_MAC_BYTESWAP_H_ |