| // -*- 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_ |
