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Side by Side Diff: net/disk_cache/simple/simple_version_upgrade.h

Issue 1535363003: Switch to standard integer types in net/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: stddef Created 5 years ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef NET_DISK_CACHE_SIMPLE_SIMPLE_VERSION_UPGRADE_H_ 5 #ifndef NET_DISK_CACHE_SIMPLE_SIMPLE_VERSION_UPGRADE_H_
6 #define NET_DISK_CACHE_SIMPLE_SIMPLE_VERSION_UPGRADE_H_ 6 #define NET_DISK_CACHE_SIMPLE_SIMPLE_VERSION_UPGRADE_H_
7 7
8 // Defines functionality to upgrade the file structure of the Simple Cache 8 // Defines functionality to upgrade the file structure of the Simple Cache
9 // Backend on disk. Assumes no backend operations are running simultaneously. 9 // Backend on disk. Assumes no backend operations are running simultaneously.
10 // Hence must be run at cache initialization step. 10 // Hence must be run at cache initialization step.
11 11
12 #include "base/basictypes.h" 12 #include <stdint.h>
13
13 #include "net/base/net_export.h" 14 #include "net/base/net_export.h"
14 15
15 namespace base { 16 namespace base {
16 class FilePath; 17 class FilePath;
17 } 18 }
18 19
19 namespace disk_cache { 20 namespace disk_cache {
20 21
21 // Performs all necessary disk IO to upgrade the cache structure if it is 22 // Performs all necessary disk IO to upgrade the cache structure if it is
22 // needed. 23 // needed.
23 // 24 //
24 // Returns true iff no errors were found during consistency checks and all 25 // Returns true iff no errors were found during consistency checks and all
25 // necessary transitions succeeded. If this function fails, there is nothing 26 // necessary transitions succeeded. If this function fails, there is nothing
26 // left to do other than dropping the whole cache directory. 27 // left to do other than dropping the whole cache directory.
27 NET_EXPORT_PRIVATE bool UpgradeSimpleCacheOnDisk(const base::FilePath& path); 28 NET_EXPORT_PRIVATE bool UpgradeSimpleCacheOnDisk(const base::FilePath& path);
28 29
29 // The format for the fake index has mistakenly acquired two extra fields that 30 // The format for the fake index has mistakenly acquired two extra fields that
30 // do not contain any useful data. Since they were equal to zero, they are now 31 // do not contain any useful data. Since they were equal to zero, they are now
31 // mandatated to be zero. 32 // mandatated to be zero.
32 struct NET_EXPORT_PRIVATE FakeIndexData { 33 struct NET_EXPORT_PRIVATE FakeIndexData {
33 FakeIndexData(); 34 FakeIndexData();
34 35
35 // Must be equal to simplecache_v4::kSimpleInitialMagicNumber. 36 // Must be equal to simplecache_v4::kSimpleInitialMagicNumber.
36 uint64 initial_magic_number; 37 uint64_t initial_magic_number;
37 38
38 // Must be equal kSimpleVersion when the cache backend is instantiated. 39 // Must be equal kSimpleVersion when the cache backend is instantiated.
39 uint32 version; 40 uint32_t version;
40 41
41 uint32 unused_must_be_zero1; 42 uint32_t unused_must_be_zero1;
42 uint32 unused_must_be_zero2; 43 uint32_t unused_must_be_zero2;
43 }; 44 };
44 45
45 // Exposed for testing. 46 // Exposed for testing.
46 NET_EXPORT_PRIVATE bool UpgradeIndexV5V6(const base::FilePath& cache_directory); 47 NET_EXPORT_PRIVATE bool UpgradeIndexV5V6(const base::FilePath& cache_directory);
47 48
48 } // namespace disk_cache 49 } // namespace disk_cache
49 50
50 #endif // NET_DISK_CACHE_SIMPLE_SIMPLE_VERSION_UPGRADE_H_ 51 #endif // NET_DISK_CACHE_SIMPLE_SIMPLE_VERSION_UPGRADE_H_
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