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      1 // -*- mode: c++ -*-
      2 
      3 // Copyright (c) 2010, Google Inc.
      4 // All rights reserved.
      5 //
      6 // Redistribution and use in source and binary forms, with or without
      7 // modification, are permitted provided that the following conditions are
      8 // met:
      9 //
     10 //     * Redistributions of source code must retain the above copyright
     11 // notice, this list of conditions and the following disclaimer.
     12 //     * Redistributions in binary form must reproduce the above
     13 // copyright notice, this list of conditions and the following disclaimer
     14 // in the documentation and/or other materials provided with the
     15 // distribution.
     16 //     * Neither the name of Google Inc. nor the names of its
     17 // contributors may be used to endorse or promote products derived from
     18 // this software without specific prior written permission.
     19 //
     20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31 
     32 // Original author: Jim Blandy <jim (at) mozilla.com> <jimb (at) red-bean.com>
     33 
     34 // byteswap.h: Overloaded functions for conveniently byteswapping values.
     35 
     36 #ifndef COMMON_MAC_BYTESWAP_H_
     37 #define COMMON_MAC_BYTESWAP_H_
     38 
     39 #include <libkern/OSByteOrder.h>
     40 
     41 static inline uint16_t ByteSwap(uint16_t v) { return OSSwapInt16(v); }
     42 static inline uint32_t ByteSwap(uint32_t v) { return OSSwapInt32(v); }
     43 static inline uint64_t ByteSwap(uint64_t v) { return OSSwapInt64(v); }
     44 static inline int16_t  ByteSwap(int16_t  v) { return OSSwapInt16(v); }
     45 static inline int32_t  ByteSwap(int32_t  v) { return OSSwapInt32(v); }
     46 static inline int64_t  ByteSwap(int64_t  v) { return OSSwapInt64(v); }
     47 
     48 #endif  // COMMON_MAC_BYTESWAP_H_
     49