diff options
Diffstat (limited to 'third_party/libjingle/files/talk/base/bytebuffer.cc')
-rw-r--r-- | third_party/libjingle/files/talk/base/bytebuffer.cc | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/third_party/libjingle/files/talk/base/bytebuffer.cc b/third_party/libjingle/files/talk/base/bytebuffer.cc deleted file mode 100644 index 7082e1a..0000000 --- a/third_party/libjingle/files/talk/base/bytebuffer.cc +++ /dev/null @@ -1,166 +0,0 @@ -/* - * libjingle - * Copyright 2004--2005, Google Inc. - * - * 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. - */ - -#include <algorithm> -#include <cassert> - -#include "talk/base/basictypes.h" -#include "talk/base/bytebuffer.h" -#include "talk/base/byteorder.h" - -#if defined(_MSC_VER) && _MSC_VER < 1300 -namespace std { - using ::memcpy; -} -#endif - -namespace talk_base { - -static const int DEFAULT_SIZE = 4096; - -ByteBuffer::ByteBuffer() { - start_ = 0; - end_ = 0; - size_ = DEFAULT_SIZE; - bytes_ = new char[size_]; -} - -ByteBuffer::ByteBuffer(const char* bytes, size_t len) { - start_ = 0; - end_ = len; - size_ = len; - bytes_ = new char[size_]; - memcpy(bytes_, bytes, end_); -} - -ByteBuffer::ByteBuffer(const char* bytes) { - start_ = 0; - end_ = strlen(bytes); - size_ = end_; - bytes_ = new char[size_]; - memcpy(bytes_, bytes, end_); -} - -ByteBuffer::~ByteBuffer() { - delete bytes_; -} - -bool ByteBuffer::ReadUInt8(uint8& val) { - return ReadBytes(reinterpret_cast<char*>(&val), 1); -} - -bool ByteBuffer::ReadUInt16(uint16& val) { - uint16 v; - if (!ReadBytes(reinterpret_cast<char*>(&v), 2)) { - return false; - } else { - val = NetworkToHost16(v); - return true; - } -} - -bool ByteBuffer::ReadUInt32(uint32& val) { - uint32 v; - if (!ReadBytes(reinterpret_cast<char*>(&v), 4)) { - return false; - } else { - val = NetworkToHost32(v); - return true; - } -} - -bool ByteBuffer::ReadString(std::string& val, size_t len) { - if (len > Length()) { - return false; - } else { - val.append(bytes_ + start_, len); - start_ += len; - return true; - } -} - -bool ByteBuffer::ReadBytes(char* val, size_t len) { - if (len > Length()) { - return false; - } else { - memcpy(val, bytes_ + start_, len); - start_ += len; - return true; - } -} - -void ByteBuffer::WriteUInt8(uint8 val) { - WriteBytes(reinterpret_cast<const char*>(&val), 1); -} - -void ByteBuffer::WriteUInt16(uint16 val) { - uint16 v = HostToNetwork16(val); - WriteBytes(reinterpret_cast<const char*>(&v), 2); -} - -void ByteBuffer::WriteUInt32(uint32 val) { - uint32 v = HostToNetwork32(val); - WriteBytes(reinterpret_cast<const char*>(&v), 4); -} - -void ByteBuffer::WriteString(const std::string& val) { - WriteBytes(val.c_str(), val.size()); -} - -void ByteBuffer::WriteBytes(const char* val, size_t len) { - if (Length() + len > Capacity()) - Resize(Length() + len); - - memcpy(bytes_ + end_, val, len); - end_ += len; -} - -void ByteBuffer::Resize(size_t size) { - if (size > size_) - size = _max(size, 3 * size_ / 2); - - size_t len = _min(end_ - start_, size); - char* new_bytes = new char[size]; - memcpy(new_bytes, bytes_ + start_, len); - delete [] bytes_; - - start_ = 0; - end_ = len; - size_ = size; - bytes_ = new_bytes; -} - -void ByteBuffer::Shift(size_t size) { - if (size > Length()) - return; - - end_ = Length() - size; - memmove(bytes_, bytes_ + start_ + size, end_); - start_ = 0; -} - -} // namespace talk_base |