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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 #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 <libgen.h> | 10 #include <libgen.h> |
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41 #include "base/stl_util.h" | 41 #include "base/stl_util.h" |
42 #include "base/strings/string_util.h" | 42 #include "base/strings/string_util.h" |
43 #include "base/strings/stringprintf.h" | 43 #include "base/strings/stringprintf.h" |
44 #include "base/strings/sys_string_conversions.h" | 44 #include "base/strings/sys_string_conversions.h" |
45 #include "base/strings/utf_string_conversions.h" | 45 #include "base/strings/utf_string_conversions.h" |
46 #include "base/sys_info.h" | 46 #include "base/sys_info.h" |
47 #include "base/threading/thread_restrictions.h" | 47 #include "base/threading/thread_restrictions.h" |
48 #include "base/time/time.h" | 48 #include "base/time/time.h" |
49 | 49 |
50 #if defined(OS_ANDROID) | 50 #if defined(OS_ANDROID) |
51 #include "base/android/content_uri_utils.h" | |
52 #include "base/os_compat_android.h" | 51 #include "base/os_compat_android.h" |
53 #endif | 52 #endif |
54 | 53 |
55 #if !defined(OS_IOS) | 54 #if !defined(OS_IOS) |
56 #include <grp.h> | 55 #include <grp.h> |
57 #endif | 56 #endif |
58 | 57 |
59 namespace base { | 58 namespace base { |
60 | 59 |
61 namespace { | 60 namespace { |
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73 #else | 72 #else |
74 typedef struct stat64 stat_wrapper_t; | 73 typedef struct stat64 stat_wrapper_t; |
75 static int CallStat(const char *path, stat_wrapper_t *sb) { | 74 static int CallStat(const char *path, stat_wrapper_t *sb) { |
76 ThreadRestrictions::AssertIOAllowed(); | 75 ThreadRestrictions::AssertIOAllowed(); |
77 return stat64(path, sb); | 76 return stat64(path, sb); |
78 } | 77 } |
79 static int CallLstat(const char *path, stat_wrapper_t *sb) { | 78 static int CallLstat(const char *path, stat_wrapper_t *sb) { |
80 ThreadRestrictions::AssertIOAllowed(); | 79 ThreadRestrictions::AssertIOAllowed(); |
81 return lstat64(path, sb); | 80 return lstat64(path, sb); |
82 } | 81 } |
83 #if defined(OS_ANDROID) | |
84 static int CallFstat(int fd, stat_wrapper_t *sb) { | |
85 ThreadRestrictions::AssertIOAllowed(); | |
86 return fstat64(fd, sb); | |
87 } | |
88 #endif | |
89 #endif | 82 #endif |
90 | 83 |
91 // Helper for NormalizeFilePath(), defined below. | 84 // Helper for NormalizeFilePath(), defined below. |
92 bool RealPath(const FilePath& path, FilePath* real_path) { | 85 bool RealPath(const FilePath& path, FilePath* real_path) { |
93 ThreadRestrictions::AssertIOAllowed(); // For realpath(). | 86 ThreadRestrictions::AssertIOAllowed(); // For realpath(). |
94 FilePath::CharType buf[PATH_MAX]; | 87 FilePath::CharType buf[PATH_MAX]; |
95 if (!realpath(path.value().c_str(), buf)) | 88 if (!realpath(path.value().c_str(), buf)) |
96 return false; | 89 return false; |
97 | 90 |
98 *real_path = FilePath(buf); | 91 *real_path = FilePath(buf); |
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308 current = traversal.Next(); | 301 current = traversal.Next(); |
309 if (!current.empty()) | 302 if (!current.empty()) |
310 from_stat = traversal.GetInfo().stat(); | 303 from_stat = traversal.GetInfo().stat(); |
311 } | 304 } |
312 | 305 |
313 return success; | 306 return success; |
314 } | 307 } |
315 | 308 |
316 bool PathExists(const FilePath& path) { | 309 bool PathExists(const FilePath& path) { |
317 ThreadRestrictions::AssertIOAllowed(); | 310 ThreadRestrictions::AssertIOAllowed(); |
318 #if defined(OS_ANDROID) | |
319 if (path.IsContentUri()) { | |
320 return ContentUriExists(path); | |
321 } | |
322 #endif | |
323 return access(path.value().c_str(), F_OK) == 0; | 311 return access(path.value().c_str(), F_OK) == 0; |
324 } | 312 } |
325 | 313 |
326 bool PathIsWritable(const FilePath& path) { | 314 bool PathIsWritable(const FilePath& path) { |
327 ThreadRestrictions::AssertIOAllowed(); | 315 ThreadRestrictions::AssertIOAllowed(); |
328 return access(path.value().c_str(), W_OK) == 0; | 316 return access(path.value().c_str(), W_OK) == 0; |
329 } | 317 } |
330 | 318 |
331 bool DirectoryExists(const FilePath& path) { | 319 bool DirectoryExists(const FilePath& path) { |
332 ThreadRestrictions::AssertIOAllowed(); | 320 ThreadRestrictions::AssertIOAllowed(); |
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574 return false; | 562 return false; |
575 | 563 |
576 if (S_ISLNK(st.st_mode)) | 564 if (S_ISLNK(st.st_mode)) |
577 return true; | 565 return true; |
578 else | 566 else |
579 return false; | 567 return false; |
580 } | 568 } |
581 | 569 |
582 bool GetFileInfo(const FilePath& file_path, base::PlatformFileInfo* results) { | 570 bool GetFileInfo(const FilePath& file_path, base::PlatformFileInfo* results) { |
583 stat_wrapper_t file_info; | 571 stat_wrapper_t file_info; |
584 #if defined(OS_ANDROID) | 572 if (CallStat(file_path.value().c_str(), &file_info) != 0) |
585 if (file_path.IsContentUri()) { | 573 return false; |
586 int fd = OpenContentUriForRead(file_path); | |
587 if (fd < 0) | |
588 return false; | |
589 ScopedFD scoped_fd(&fd); | |
590 if (base::CallFstat(fd, &file_info) != 0) | |
591 return false; | |
592 } else { | |
593 #endif // defined(OS_ANDROID) | |
594 if (CallStat(file_path.value().c_str(), &file_info) != 0) | |
595 return false; | |
596 #if defined(OS_ANDROID) | |
597 } | |
598 #endif // defined(OS_ANDROID) | |
599 results->is_directory = S_ISDIR(file_info.st_mode); | 574 results->is_directory = S_ISDIR(file_info.st_mode); |
600 results->size = file_info.st_size; | 575 results->size = file_info.st_size; |
601 #if defined(OS_MACOSX) | 576 #if defined(OS_MACOSX) |
602 results->last_modified = base::Time::FromTimeSpec(file_info.st_mtimespec); | 577 results->last_modified = base::Time::FromTimeSpec(file_info.st_mtimespec); |
603 results->last_accessed = base::Time::FromTimeSpec(file_info.st_atimespec); | 578 results->last_accessed = base::Time::FromTimeSpec(file_info.st_atimespec); |
604 results->creation_time = base::Time::FromTimeSpec(file_info.st_ctimespec); | 579 results->creation_time = base::Time::FromTimeSpec(file_info.st_ctimespec); |
605 #elif defined(OS_ANDROID) | 580 #elif defined(OS_ANDROID) |
606 results->last_modified = base::Time::FromTimeT(file_info.st_mtime); | 581 results->last_modified = base::Time::FromTimeT(file_info.st_mtime); |
607 results->last_accessed = base::Time::FromTimeT(file_info.st_atime); | 582 results->last_accessed = base::Time::FromTimeT(file_info.st_atime); |
608 results->creation_time = base::Time::FromTimeT(file_info.st_ctime); | 583 results->creation_time = base::Time::FromTimeT(file_info.st_ctime); |
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971 result = false; | 946 result = false; |
972 if (HANDLE_EINTR(close(outfile)) < 0) | 947 if (HANDLE_EINTR(close(outfile)) < 0) |
973 result = false; | 948 result = false; |
974 | 949 |
975 return result; | 950 return result; |
976 } | 951 } |
977 #endif // !defined(OS_MACOSX) | 952 #endif // !defined(OS_MACOSX) |
978 | 953 |
979 } // namespace internal | 954 } // namespace internal |
980 } // namespace base | 955 } // namespace base |
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