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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // This file contains utility functions for dealing with the local | 5 // This file contains utility functions for dealing with the local |
6 // filesystem. | 6 // filesystem. |
7 | 7 |
8 #ifndef BASE_FILE_UTIL_H_ | 8 #ifndef BASE_FILE_UTIL_H_ |
9 #define BASE_FILE_UTIL_H_ | 9 #define BASE_FILE_UTIL_H_ |
10 | 10 |
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169 // otherwise. If either file can't be read, returns false. | 169 // otherwise. If either file can't be read, returns false. |
170 BASE_EXPORT bool ContentsEqual(const FilePath& filename1, | 170 BASE_EXPORT bool ContentsEqual(const FilePath& filename1, |
171 const FilePath& filename2); | 171 const FilePath& filename2); |
172 | 172 |
173 // Returns true if the contents of the two text files given are equal, false | 173 // Returns true if the contents of the two text files given are equal, false |
174 // otherwise. This routine treats "\r\n" and "\n" as equivalent. | 174 // otherwise. This routine treats "\r\n" and "\n" as equivalent. |
175 BASE_EXPORT bool TextContentsEqual(const FilePath& filename1, | 175 BASE_EXPORT bool TextContentsEqual(const FilePath& filename1, |
176 const FilePath& filename2); | 176 const FilePath& filename2); |
177 | 177 |
178 // Read the file at |path| into |contents|, returning true on success. | 178 // Read the file at |path| into |contents|, returning true on success. |
179 // This function fails if the |path| contains path traversal components. | |
Nico
2013/01/08 19:20:03
I would read this and think "I wonder what a path
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179 // |contents| may be NULL, in which case this function is useful for its | 180 // |contents| may be NULL, in which case this function is useful for its |
180 // side effect of priming the disk cache. | 181 // side effect of priming the disk cache. |
181 // Useful for unit tests. | 182 // Useful for unit tests. |
182 BASE_EXPORT bool ReadFileToString(const FilePath& path, std::string* contents); | 183 BASE_EXPORT bool ReadFileToString(const FilePath& path, std::string* contents); |
183 | 184 |
184 #if defined(OS_POSIX) | 185 #if defined(OS_POSIX) |
185 // Read exactly |bytes| bytes from file descriptor |fd|, storing the result | 186 // Read exactly |bytes| bytes from file descriptor |fd|, storing the result |
186 // in |buffer|. This function is protected against EINTR and partial reads. | 187 // in |buffer|. This function is protected against EINTR and partial reads. |
187 // Returns true iff |bytes| bytes have been successfuly read from |fd|. | 188 // Returns true iff |bytes| bytes have been successfuly read from |fd|. |
188 BASE_EXPORT bool ReadFromFD(int fd, char* buffer, size_t bytes); | 189 BASE_EXPORT bool ReadFromFD(int fd, char* buffer, size_t bytes); |
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619 }; | 620 }; |
620 | 621 |
621 // Attempts determine the FileSystemType for |path|. | 622 // Attempts determine the FileSystemType for |path|. |
622 // Returns false if |path| doesn't exist. | 623 // Returns false if |path| doesn't exist. |
623 BASE_EXPORT bool GetFileSystemType(const FilePath& path, FileSystemType* type); | 624 BASE_EXPORT bool GetFileSystemType(const FilePath& path, FileSystemType* type); |
624 #endif | 625 #endif |
625 | 626 |
626 } // namespace file_util | 627 } // namespace file_util |
627 | 628 |
628 #endif // BASE_FILE_UTIL_H_ | 629 #endif // BASE_FILE_UTIL_H_ |
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