e96c45b662
I used a command like this to update the paths: perl -pi -e "s/webrtc\/base/webrtc\/rtc_base/g" `find webrtc/rtc_base -name "*.cc" -o -name "*.h"` Changes since last attempt: Some system headers were moved back to their original location since on Windows compilation breaks otherwise. BUG=webrtc:7634 NOTRY=True NOPRESUBMIT=True TBR=kwiberg@webrtc.org Review-Url: https://codereview.webrtc.org/2966523003 Cr-Commit-Position: refs/heads/master@{#18868}
179 lines
4.5 KiB
C++
179 lines
4.5 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_RTC_BASE_BYTEORDER_H_
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#define WEBRTC_RTC_BASE_BYTEORDER_H_
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#if defined(WEBRTC_POSIX) && !defined(__native_client__)
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#include <arpa/inet.h>
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#endif
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#include "webrtc/rtc_base/basictypes.h"
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#if defined(WEBRTC_MAC)
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#include <libkern/OSByteOrder.h>
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#define htobe16(v) OSSwapHostToBigInt16(v)
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#define htobe32(v) OSSwapHostToBigInt32(v)
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#define htobe64(v) OSSwapHostToBigInt64(v)
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#define be16toh(v) OSSwapBigToHostInt16(v)
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#define be32toh(v) OSSwapBigToHostInt32(v)
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#define be64toh(v) OSSwapBigToHostInt64(v)
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#define htole16(v) OSSwapHostToLittleInt16(v)
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#define htole32(v) OSSwapHostToLittleInt32(v)
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#define htole64(v) OSSwapHostToLittleInt64(v)
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#define le16toh(v) OSSwapLittleToHostInt16(v)
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#define le32toh(v) OSSwapLittleToHostInt32(v)
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#define le64toh(v) OSSwapLittleToHostInt64(v)
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#elif defined(WEBRTC_WIN) || defined(__native_client__)
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#if defined(WEBRTC_WIN)
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#include <stdlib.h>
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#include <winsock2.h>
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#else
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#include <netinet/in.h>
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#endif
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#define htobe16(v) htons(v)
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#define htobe32(v) htonl(v)
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#define be16toh(v) ntohs(v)
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#define be32toh(v) ntohl(v)
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#if defined(WEBRTC_WIN)
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#define htobe64(v) htonll(v)
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#define be64toh(v) ntohll(v)
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#endif
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#if defined(RTC_ARCH_CPU_LITTLE_ENDIAN)
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#define htole16(v) (v)
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#define htole32(v) (v)
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#define htole64(v) (v)
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#define le16toh(v) (v)
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#define le32toh(v) (v)
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#define le64toh(v) (v)
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#if defined(__native_client__)
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#define htobe64(v) __builtin_bswap64(v)
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#define be64toh(v) __builtin_bswap64(v)
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#endif
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#elif defined(RTC_ARCH_CPU_BIG_ENDIAN)
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#define htole16(v) __builtin_bswap16(v)
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#define htole32(v) __builtin_bswap32(v)
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#define htole64(v) __builtin_bswap64(v)
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#define le16toh(v) __builtin_bswap16(v)
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#define le32toh(v) __builtin_bswap32(v)
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#define le64toh(v) __builtin_bswap64(v)
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#if defined(__native_client__)
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#define htobe64(v) (v)
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#define be64toh(v) (v)
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#endif
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#else
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#error RTC_ARCH_CPU_BIG_ENDIAN or RTC_ARCH_CPU_LITTLE_ENDIAN must be defined.
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#endif // defined(RTC_ARCH_CPU_LITTLE_ENDIAN)
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#elif defined(WEBRTC_POSIX)
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#include <endian.h>
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#endif
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namespace rtc {
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// Reading and writing of little and big-endian numbers from memory
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inline void Set8(void* memory, size_t offset, uint8_t v) {
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static_cast<uint8_t*>(memory)[offset] = v;
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}
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inline uint8_t Get8(const void* memory, size_t offset) {
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return static_cast<const uint8_t*>(memory)[offset];
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}
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inline void SetBE16(void* memory, uint16_t v) {
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*static_cast<uint16_t*>(memory) = htobe16(v);
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}
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inline void SetBE32(void* memory, uint32_t v) {
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*static_cast<uint32_t*>(memory) = htobe32(v);
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}
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inline void SetBE64(void* memory, uint64_t v) {
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*static_cast<uint64_t*>(memory) = htobe64(v);
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}
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inline uint16_t GetBE16(const void* memory) {
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return be16toh(*static_cast<const uint16_t*>(memory));
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}
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inline uint32_t GetBE32(const void* memory) {
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return be32toh(*static_cast<const uint32_t*>(memory));
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}
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inline uint64_t GetBE64(const void* memory) {
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return be64toh(*static_cast<const uint64_t*>(memory));
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}
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inline void SetLE16(void* memory, uint16_t v) {
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*static_cast<uint16_t*>(memory) = htole16(v);
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}
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inline void SetLE32(void* memory, uint32_t v) {
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*static_cast<uint32_t*>(memory) = htole32(v);
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}
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inline void SetLE64(void* memory, uint64_t v) {
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*static_cast<uint64_t*>(memory) = htole64(v);
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}
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inline uint16_t GetLE16(const void* memory) {
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return le16toh(*static_cast<const uint16_t*>(memory));
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}
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inline uint32_t GetLE32(const void* memory) {
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return le32toh(*static_cast<const uint32_t*>(memory));
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}
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inline uint64_t GetLE64(const void* memory) {
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return le64toh(*static_cast<const uint64_t*>(memory));
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}
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// Check if the current host is big endian.
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inline bool IsHostBigEndian() {
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#if defined(RTC_ARCH_CPU_BIG_ENDIAN)
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return true;
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#else
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return false;
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#endif
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}
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inline uint16_t HostToNetwork16(uint16_t n) {
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return htobe16(n);
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}
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inline uint32_t HostToNetwork32(uint32_t n) {
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return htobe32(n);
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}
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inline uint64_t HostToNetwork64(uint64_t n) {
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return htobe64(n);
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}
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inline uint16_t NetworkToHost16(uint16_t n) {
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return be16toh(n);
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}
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inline uint32_t NetworkToHost32(uint32_t n) {
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return be32toh(n);
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}
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inline uint64_t NetworkToHost64(uint64_t n) {
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return be64toh(n);
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}
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} // namespace rtc
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#endif // WEBRTC_RTC_BASE_BYTEORDER_H_
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