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#include <utility>
15
16namespace rtc {
17
18Buffer::Buffer() : size_(0), capacity_(0), data_(nullptr) {
19  assert(IsConsistent());
20}
21
22Buffer::Buffer(const Buffer& buf) : Buffer(buf.data(), buf.size()) {
23}
24
25Buffer::Buffer(Buffer&& buf)
26    : size_(buf.size()),
27      capacity_(buf.capacity()),
28      data_(std::move(buf.data_)) {
29  assert(IsConsistent());
30  buf.OnMovedFrom();
31}
32
33Buffer::Buffer(size_t size) : Buffer(size, size) {
34}
35
36Buffer::Buffer(size_t size, size_t capacity)
37    : size_(size),
38      capacity_(std::max(size, capacity)),
39      data_(new uint8_t[capacity_]) {
40  assert(IsConsistent());
41}
42
43// Note: The destructor works even if the buffer has been moved from.
44Buffer::~Buffer() = default;
45
46};  // namespace rtc
47