buffer.cc revision 9478437fdea4eb31b92ffe0c10368fe5bc9b9e16 
1/*
2 *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#include "webrtc/base/buffer.h"
12
13#include <cassert>
14
15namespace rtc {
16
17Buffer::Buffer() : size_(0), capacity_(0), data_(nullptr) {
18  assert(IsConsistent());
19}
20
21Buffer::Buffer(const Buffer& buf) : Buffer(buf.data(), buf.size()) {
22}
23
24Buffer::Buffer(Buffer&& buf)
25    : size_(buf.size()), capacity_(buf.capacity()), data_(buf.data_.Pass()) {
26  assert(IsConsistent());
27  buf.OnMovedFrom();
28}
29
30Buffer::Buffer(size_t size) : Buffer(size, size) {
31}
32
33Buffer::Buffer(size_t size, size_t capacity)
34    : size_(size),
35      capacity_(std::max(size, capacity)),
36      data_(new uint8_t[capacity_]) {
37  assert(IsConsistent());
38}
39
40// Note: The destructor works even if the buffer has been moved from.
41Buffer::~Buffer() = default;
42
43};  // namespace rtc
44