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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 #include "base/file_util.h" | 5 #include "base/file_util.h" |
6 | 6 |
7 #include <dirent.h> | 7 #include <dirent.h> |
8 #include <errno.h> | 8 #include <errno.h> |
9 #include <fcntl.h> | 9 #include <fcntl.h> |
10 #include <fnmatch.h> | 10 #include <fnmatch.h> |
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296 } | 296 } |
297 | 297 |
298 return success; | 298 return success; |
299 } | 299 } |
300 | 300 |
301 bool PathExists(const FilePath& path) { | 301 bool PathExists(const FilePath& path) { |
302 stat_wrapper_t file_info; | 302 stat_wrapper_t file_info; |
303 return CallStat(path.value().c_str(), &file_info) == 0; | 303 return CallStat(path.value().c_str(), &file_info) == 0; |
304 } | 304 } |
305 | 305 |
306 static bool PathAccess(const FilePath& path, int mode) { | |
307 int r = access(path.value().c_str(), mode); | |
308 if (r == -1 && errno == ENOENT) { | |
309 // If the path doesn't exist, test the parent dir. | |
wtc
2010/01/12 19:51:02
Do you know why we do this? This behavior is not
| |
310 r = access(path.DirName().value().c_str(), mode); | |
311 } | |
312 | |
313 return r == 0; | |
314 } | |
315 | |
316 bool PathIsReadable(const FilePath& path) { | |
317 return PathAccess(path, R_OK); | |
318 } | |
319 | |
306 bool PathIsWritable(const FilePath& path) { | 320 bool PathIsWritable(const FilePath& path) { |
307 FilePath test_path(path); | 321 return PathAccess(path, W_OK); |
308 stat_wrapper_t file_info; | |
309 if (CallStat(test_path.value().c_str(), &file_info) != 0) { | |
310 // If the path doesn't exist, test the parent dir. | |
311 test_path = test_path.DirName(); | |
312 // If the parent dir doesn't exist, then return false (the path is not | |
313 // directly writable). | |
314 if (CallStat(test_path.value().c_str(), &file_info) != 0) | |
315 return false; | |
316 } | |
317 if (S_IWOTH & file_info.st_mode) | |
318 return true; | |
319 if (getegid() == file_info.st_gid && (S_IWGRP & file_info.st_mode)) | |
320 return true; | |
321 if (geteuid() == file_info.st_uid && (S_IWUSR & file_info.st_mode)) | |
322 return true; | |
323 return false; | |
324 } | 322 } |
325 | 323 |
326 bool DirectoryExists(const FilePath& path) { | 324 bool DirectoryExists(const FilePath& path) { |
327 stat_wrapper_t file_info; | 325 stat_wrapper_t file_info; |
328 if (CallStat(path.value().c_str(), &file_info) == 0) | 326 if (CallStat(path.value().c_str(), &file_info) == 0) |
329 return S_ISDIR(file_info.st_mode); | 327 return S_ISDIR(file_info.st_mode); |
330 return false; | 328 return false; |
331 } | 329 } |
332 | 330 |
333 // TODO(erikkay): implement | 331 // TODO(erikkay): implement |
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702 length_ = 0; | 700 length_ = 0; |
703 file_ = base::kInvalidPlatformFileValue; | 701 file_ = base::kInvalidPlatformFileValue; |
704 } | 702 } |
705 | 703 |
706 bool HasFileBeenModifiedSince(const FileEnumerator::FindInfo& find_info, | 704 bool HasFileBeenModifiedSince(const FileEnumerator::FindInfo& find_info, |
707 const base::Time& cutoff_time) { | 705 const base::Time& cutoff_time) { |
708 return find_info.stat.st_mtime >= cutoff_time.ToTimeT(); | 706 return find_info.stat.st_mtime >= cutoff_time.ToTimeT(); |
709 } | 707 } |
710 | 708 |
711 } // namespace file_util | 709 } // namespace file_util |
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