naiveproxy/net/disk_cache/blockfile/mapped_file.cc

32 lines
875 B
C++
Raw Normal View History

2018-08-11 08:35:24 +03:00
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/disk_cache/blockfile/mapped_file.h"
#include <algorithm>
#include <memory>
namespace disk_cache {
// Note: Most of this class is implemented in platform-specific files.
bool MappedFile::Load(const FileBlock* block) {
size_t offset = block->offset() + view_size_;
return Read(block->buffer(), block->size(), offset);
}
bool MappedFile::Store(const FileBlock* block) {
size_t offset = block->offset() + view_size_;
return Write(block->buffer(), block->size(), offset);
}
bool MappedFile::Preload() {
size_t file_len = GetLength();
std::unique_ptr<char[]> buf(new char[file_len]);
if (!Read(buf.get(), file_len, 0))
return false;
return true;
}
} // namespace disk_cache