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.
39 lines
1.0 KiB
39 lines
1.0 KiB
// Copyright 2015 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_FILE_H_ |
|
#define _BSDIFF_FILE_H_ |
|
|
|
#include <memory> |
|
|
|
#include "bsdiff/file_interface.h" |
|
|
|
namespace bsdiff { |
|
|
|
class File : public FileInterface { |
|
public: |
|
// Opens a file |pathname| with flags |flags| as defined by open(2). In case |
|
// of error, an empty unique_ptr is returned and errno is set accordingly. |
|
static std::unique_ptr<File> FOpen(const char* pathname, int flags); |
|
|
|
~File() override; |
|
|
|
// 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: |
|
// Creates the File instance for the |fd|. Takes ownership of the file |
|
// descriptor. |
|
explicit File(int fd); |
|
|
|
int fd_; |
|
}; |
|
|
|
} // namespace bsdiff |
|
|
|
#endif // _BSDIFF_FILE_H_
|
|
|