You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.0 KiB
38 lines
1.0 KiB
// Copyright 2016 The Chromium OS Authors. All rights reserved. |
|
// Use of this source code is governed by a BSD-style license that can be |
|
// found in the LICENSE file. |
|
|
|
#ifndef _BSDIFF_MEMORY_FILE_H_ |
|
#define _BSDIFF_MEMORY_FILE_H_ |
|
|
|
#include <memory> |
|
|
|
#include "bsdiff/file_interface.h" |
|
|
|
namespace bsdiff { |
|
|
|
class MemoryFile : public FileInterface { |
|
public: |
|
// Creates a read only MemoryFile based on the underlying |data| passed. |
|
// The MemoryFile will use data starting from |data| with length of |size| as |
|
// the file content. Write is not supported. |
|
MemoryFile(const uint8_t* data, size_t size); |
|
|
|
~MemoryFile() = default; |
|
|
|
// FileInterface overrides. |
|
bool Read(void* buf, size_t count, size_t* bytes_read) override; |
|
bool Write(const void* buf, size_t count, size_t* bytes_written) override; |
|
bool Seek(off_t pos) override; |
|
bool Close() override; |
|
bool GetSize(uint64_t* size) override; |
|
|
|
private: |
|
const uint8_t* data_ = nullptr; |
|
size_t size_ = 0; |
|
off_t offset_ = 0; |
|
}; |
|
|
|
} // namespace bsdiff |
|
|
|
#endif // _BSDIFF_MEMORY_FILE_H_
|
|
|