diff options
Diffstat (limited to 'gfx/angle/checkout/src/common/third_party/base/anglebase/sys_byteorder.h')
-rw-r--r-- | gfx/angle/checkout/src/common/third_party/base/anglebase/sys_byteorder.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/common/third_party/base/anglebase/sys_byteorder.h b/gfx/angle/checkout/src/common/third_party/base/anglebase/sys_byteorder.h new file mode 100644 index 0000000000..70d9c275e6 --- /dev/null +++ b/gfx/angle/checkout/src/common/third_party/base/anglebase/sys_byteorder.h @@ -0,0 +1,49 @@ +// +// 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_ |