BigEndianInts.h (1680B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef mozilla_BigEndianInts_h 8 #define mozilla_BigEndianInts_h 9 10 #include "mozilla/EndianUtils.h" 11 12 namespace mozilla { 13 14 #pragma pack(push, 1) 15 16 struct BigEndianUint16 { 17 #ifdef __SUNPRO_CC 18 BigEndianUint16& operator=(const uint16_t aValue) { 19 value = NativeEndian::swapToBigEndian(aValue); 20 return *this; 21 } 22 #else 23 MOZ_IMPLICIT BigEndianUint16(const uint16_t aValue) { 24 value = NativeEndian::swapToBigEndian(aValue); 25 } 26 #endif 27 28 operator uint16_t() const { return NativeEndian::swapFromBigEndian(value); } 29 30 friend inline bool operator==(const BigEndianUint16& lhs, 31 const BigEndianUint16& rhs) { 32 return lhs.value == rhs.value; 33 } 34 35 friend inline bool operator!=(const BigEndianUint16& lhs, 36 const BigEndianUint16& rhs) { 37 return !(lhs == rhs); 38 } 39 40 private: 41 uint16_t value; 42 }; 43 44 struct BigEndianUint32 { 45 #ifdef __SUNPRO_CC 46 BigEndianUint32& operator=(const uint32_t aValue) { 47 value = NativeEndian::swapToBigEndian(aValue); 48 return *this; 49 } 50 #else 51 MOZ_IMPLICIT BigEndianUint32(const uint32_t aValue) { 52 value = NativeEndian::swapToBigEndian(aValue); 53 } 54 #endif 55 56 operator uint32_t() const { return NativeEndian::swapFromBigEndian(value); } 57 58 private: 59 uint32_t value; 60 }; 61 62 #pragma pack(pop) 63 64 } // namespace mozilla 65 66 #endif // mozilla_BigEndianInts_h