kc3-lang/angle/src/common/third_party/base/anglebase/sys_byteorder.h

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• Hash : 13b49757
  Author :
  Date : 2017-06-28T13:34:57
  

  Add base SHA-1 routines.
  
  We will need these to implement a more secure version of hashing for the
  program binary cache. These versions of lightly modified from the Chrome
  versions to make compilation simpler.
  
  BUG=angleproject:1897
  
  Change-Id: Ibcadb56c2316e3f39655a07fa28b5fbd6103e452
  Reviewed-on: https://chromium-review.googlesource.com/550000
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/common/third_party/base/anglebase/sys_byteorder.h

• //
  // Copyright 2017 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // sys_byteorder.h: Compatiblity hacks for importing Chromium's base/SHA1.
  
  #ifndef ANGLEBASE_SYS_BYTEORDER_H_
  #define ANGLEBASE_SYS_BYTEORDER_H_
  
  namespace angle
  {
  
  namespace base
  {
  
  // Returns a value with all bytes in |x| swapped, i.e. reverses the endianness.
  inline uint16_t ByteSwap(uint16_t x)
  {
  #if defined(_MSC_VER)
      return _byteswap_ushort(x);
  #else
      return __builtin_bswap16(x);
  #endif
  }
  
  inline uint32_t ByteSwap(uint32_t x)
  {
  #if defined(_MSC_VER)
      return _byteswap_ulong(x);
  #else
      return __builtin_bswap32(x);
  #endif
  }
  
  inline uint64_t ByteSwap(uint64_t x)
  {
  #if defined(_MSC_VER)
      return _byteswap_uint64(x);
  #else
      return __builtin_bswap64(x);
  #endif
  }
  
  }  // namespace base
  
  }  // namespace angle
  
  #endif  // ANGLEBASE_SYS_BYTEORDER_H_

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