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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 BASE_PLATFORM_FILE_H_ | 5 #ifndef BASE_PLATFORM_FILE_H_ |
| 6 #define BASE_PLATFORM_FILE_H_ | 6 #define BASE_PLATFORM_FILE_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
| 10 #include "build/build_config.h" | 10 #include "build/build_config.h" |
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| 90 // or to false in case the file was just opened. |error_code| can be NULL. | 90 // or to false in case the file was just opened. |error_code| can be NULL. |
| 91 PlatformFile CreatePlatformFile(const FilePath& name, | 91 PlatformFile CreatePlatformFile(const FilePath& name, |
| 92 int flags, | 92 int flags, |
| 93 bool* created, | 93 bool* created, |
| 94 PlatformFileError* error_code); | 94 PlatformFileError* error_code); |
| 95 // Deprecated. | 95 // Deprecated. |
| 96 PlatformFile CreatePlatformFile(const std::wstring& name, | 96 PlatformFile CreatePlatformFile(const std::wstring& name, |
| 97 int flags, | 97 int flags, |
| 98 bool* created); | 98 bool* created); |
| 99 | 99 |
| 100 // Closes a file handle | 100 // Closes a file handle. Returns |true| on success and |false| otherwise. |
| 101 bool ClosePlatformFile(PlatformFile file); | 101 bool ClosePlatformFile(PlatformFile file); |
| 102 | 102 |
| 103 // Reads the given number of bytes (or until EOF is reached) starting with the | 103 // Reads the given number of bytes (or until EOF is reached) starting with the |
| 104 // given offset. Returns the number of bytes read, or -1 on error. | 104 // given offset. Returns the number of bytes read, or -1 on error. |
| 105 int ReadPlatformFile(PlatformFile file, int64 offset, char* data, int size); | 105 int ReadPlatformFile(PlatformFile file, int64 offset, char* data, int size); |
| 106 | 106 |
| 107 // Writes the given buffer into the file at the given offset, overwritting any | 107 // Writes the given buffer into the file at the given offset, overwritting any |
| 108 // data that was previously there. Returns the number of bytes written, or -1 | 108 // data that was previously there. Returns the number of bytes written, or -1 |
| 109 // on error. | 109 // on error. |
| 110 int WritePlatformFile(PlatformFile file, int64 offset, | 110 int WritePlatformFile(PlatformFile file, int64 offset, |
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| 159 return temp; | 159 return temp; |
| 160 } | 160 } |
| 161 | 161 |
| 162 private: | 162 private: |
| 163 PlatformFile* value_; | 163 PlatformFile* value_; |
| 164 }; | 164 }; |
| 165 | 165 |
| 166 } // namespace base | 166 } // namespace base |
| 167 | 167 |
| 168 #endif // BASE_PLATFORM_FILE_H_ | 168 #endif // BASE_PLATFORM_FILE_H_ |
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