1 // Copyright 2015 The Chromium OS Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef _BSDIFF_BSPATCH_H_
6 #define _BSDIFF_BSPATCH_H_
7 
8 #include <functional>
9 #include <memory>
10 #include <vector>
11 
12 #include "extents_file.h"
13 
14 namespace bsdiff {
15 
16 int bspatch(const char* old_filename,
17             const char* new_filename,
18             const char* patch_filename,
19             const char* old_extents,
20             const char* new_extents);
21 
22 int bspatch(const char* old_filename,
23             const char* new_filename,
24             const uint8_t* patch_data,
25             size_t patch_size,
26             const char* old_extents,
27             const char* new_extents);
28 
29 int bspatch(const uint8_t* old_data,
30             size_t old_size,
31             const uint8_t* patch_data,
32             size_t patch_size,
33             const std::function<size_t(const uint8_t*, size_t)>& sink);
34 
35 int bspatch(const std::unique_ptr<FileInterface>& old_file,
36             const std::unique_ptr<FileInterface>& new_file,
37             const uint8_t* patch_data,
38             size_t patch_size);
39 
40 bool WriteAll(const std::unique_ptr<FileInterface>& file,
41               const uint8_t* data,
42               size_t size);
43 
44 bool IsOverlapping(const char* old_filename,
45                    const char* new_filename,
46                    const std::vector<ex_t>& old_extents,
47                    const std::vector<ex_t>& new_extents);
48 
49 }  // namespace bsdiff
50 
51 #endif  // _BSDIFF_BSPATCH_H_
52