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Unified Diff: third_party/libjingle/overrides/talk/base/byteorder.h

Issue 9455070: Remove the dependency to ws2_32.dll from talk_base::ThreadManager and talk_base::Thread. (Closed) Base URL: https://src.chromium.org/svn/trunk/src/
Patch Set: Created 8 years, 10 months ago
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Index: third_party/libjingle/overrides/talk/base/byteorder.h
===================================================================
--- third_party/libjingle/overrides/talk/base/byteorder.h (revision 0)
+++ third_party/libjingle/overrides/talk/base/byteorder.h (revision 0)
@@ -0,0 +1,172 @@
+/*
+ * libjingle
+ * Copyright 2004--2005, Google Inc.
tommi (sloooow) - chröme 2012/02/28 21:32:18 2012? Is this the correct license header?
Ronghua Wu (Left Chromium) 2012/02/28 23:16:57 This is from the original code from libjingle. Do
tommi (sloooow) - chröme 2012/02/29 09:54:22 ah, nevermind then.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TALK_BASE_BYTEORDER_H__
tommi (sloooow) - chröme 2012/02/28 21:32:18 should be only one trailing _
Ronghua Wu (Left Chromium) 2012/02/28 23:16:57 This is the libjingle code, I didn't change it.
tommi (sloooow) - chröme 2012/02/29 09:54:22 ok. sgtm.
+#define TALK_BASE_BYTEORDER_H__
+
+#ifdef POSIX
+#include <arpa/inet.h>
+#endif
+
+#ifdef WIN32
+#include "talk/base/win32.h"
+#endif
+
+#include "talk/base/basictypes.h"
+
+namespace talk_base {
+
+// Reading and writing of little and big-endian numbers from memory
+// TODO: Add HostEndian #defines (HE)
+// TODO: Consider NetworkEndian as synonym for BigEndian, for clarity in use.
+// TODO: Consider creating optimized versions, such as direct read/writes of
+// integers in host-endian format, when the platform supports it.
+
+inline void Set8(void* memory, size_t offset, uint8 v) {
+ static_cast<uint8*>(memory)[offset] = v;
+}
+inline uint8 Get8(const void* memory, size_t offset) {
+ return static_cast<const uint8*>(memory)[offset];
+}
+
+inline void SetBE16(void* memory, uint16 v) {
+ Set8(memory, 0, static_cast<uint8>(v >> 8));
+ Set8(memory, 1, static_cast<uint8>(v >> 0));
+}
+inline void SetBE32(void* memory, uint32 v) {
+ Set8(memory, 0, static_cast<uint8>(v >> 24));
+ Set8(memory, 1, static_cast<uint8>(v >> 16));
+ Set8(memory, 2, static_cast<uint8>(v >> 8));
+ Set8(memory, 3, static_cast<uint8>(v >> 0));
+}
+inline void SetBE64(void* memory, uint64 v) {
+ Set8(memory, 0, static_cast<uint8>(v >> 56));
+ Set8(memory, 1, static_cast<uint8>(v >> 48));
+ Set8(memory, 2, static_cast<uint8>(v >> 40));
+ Set8(memory, 3, static_cast<uint8>(v >> 32));
+ Set8(memory, 4, static_cast<uint8>(v >> 24));
+ Set8(memory, 5, static_cast<uint8>(v >> 16));
+ Set8(memory, 6, static_cast<uint8>(v >> 8));
+ Set8(memory, 7, static_cast<uint8>(v >> 0));
+}
+inline uint16 GetBE16(const void* memory) {
+ return (static_cast<uint16>(Get8(memory, 0)) << 8)
+ | (static_cast<uint16>(Get8(memory, 1)) << 0);
+}
+inline uint32 GetBE32(const void* memory) {
+ return (static_cast<uint32>(Get8(memory, 0)) << 24)
+ | (static_cast<uint32>(Get8(memory, 1)) << 16)
+ | (static_cast<uint32>(Get8(memory, 2)) << 8)
+ | (static_cast<uint32>(Get8(memory, 3)) << 0);
+}
+inline uint64 GetBE64(const void* memory) {
+ return (static_cast<uint64>(Get8(memory, 0)) << 56)
+ | (static_cast<uint64>(Get8(memory, 1)) << 48)
+ | (static_cast<uint64>(Get8(memory, 2)) << 40)
+ | (static_cast<uint64>(Get8(memory, 3)) << 32)
+ | (static_cast<uint64>(Get8(memory, 4)) << 24)
+ | (static_cast<uint64>(Get8(memory, 5)) << 16)
+ | (static_cast<uint64>(Get8(memory, 6)) << 8)
+ | (static_cast<uint64>(Get8(memory, 7)) << 0);
+}
+
+inline void SetLE16(void* memory, uint16 v) {
+ Set8(memory, 1, static_cast<uint8>(v >> 8));
+ Set8(memory, 0, static_cast<uint8>(v >> 0));
+}
+inline void SetLE32(void* memory, uint32 v) {
+ Set8(memory, 3, static_cast<uint8>(v >> 24));
+ Set8(memory, 2, static_cast<uint8>(v >> 16));
+ Set8(memory, 1, static_cast<uint8>(v >> 8));
+ Set8(memory, 0, static_cast<uint8>(v >> 0));
+}
+inline void SetLE64(void* memory, uint64 v) {
+ Set8(memory, 7, static_cast<uint8>(v >> 56));
+ Set8(memory, 6, static_cast<uint8>(v >> 48));
+ Set8(memory, 5, static_cast<uint8>(v >> 40));
+ Set8(memory, 4, static_cast<uint8>(v >> 32));
+ Set8(memory, 3, static_cast<uint8>(v >> 24));
+ Set8(memory, 2, static_cast<uint8>(v >> 16));
+ Set8(memory, 1, static_cast<uint8>(v >> 8));
+ Set8(memory, 0, static_cast<uint8>(v >> 0));
+}
+inline uint16 GetLE16(const void* memory) {
+ return (static_cast<uint16>(Get8(memory, 1)) << 8)
+ | (static_cast<uint16>(Get8(memory, 0)) << 0);
+}
+inline uint32 GetLE32(const void* memory) {
+ return (static_cast<uint32>(Get8(memory, 3)) << 24)
+ | (static_cast<uint32>(Get8(memory, 2)) << 16)
+ | (static_cast<uint32>(Get8(memory, 1)) << 8)
+ | (static_cast<uint32>(Get8(memory, 0)) << 0);
+}
+inline uint64 GetLE64(const void* memory) {
+ return (static_cast<uint64>(Get8(memory, 7)) << 56)
+ | (static_cast<uint64>(Get8(memory, 6)) << 48)
+ | (static_cast<uint64>(Get8(memory, 5)) << 40)
+ | (static_cast<uint64>(Get8(memory, 4)) << 32)
+ | (static_cast<uint64>(Get8(memory, 3)) << 24)
+ | (static_cast<uint64>(Get8(memory, 2)) << 16)
+ | (static_cast<uint64>(Get8(memory, 1)) << 8)
+ | (static_cast<uint64>(Get8(memory, 0)) << 0);
+}
+
+// Check if the current host is big endian.
+inline bool IsHostBigEndian() {
+ static const int number = 1;
+ return (0 == *reinterpret_cast<const char*>(&number));
+}
+
+inline uint16 HostToNetwork16(uint16 n) {
+ return htons(n);
+}
+
+inline uint32 HostToNetwork32(uint32 n) {
+ return htonl(n);
+}
+
+inline uint64 HostToNetwork64(uint64 n) {
+ // If the host is little endian, GetBE64 converts n to big network endian.
+ return IsHostBigEndian() ? n : GetBE64(&n);
+}
+
+inline uint16 NetworkToHost16(uint16 n) {
+ return ntohs(n);
+}
+
+inline uint32 NetworkToHost32(uint32 n) {
+ return ntohl(n);
+}
+
+inline uint64 NetworkToHost64(uint64 n) {
+ // If the host is little endian, GetBE64 converts n to little endian.
+ return IsHostBigEndian() ? n : GetBE64(&n);
+}
+
+} // namespace talk_base
+
+#endif // TALK_BASE_BYTEORDER_H__
Property changes on: third_party\libjingle\overrides\talk\base\byteorder.h
___________________________________________________________________
Added: svn:eol-style
+ LF

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