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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "base/test/test_file_util.h"
6 
7 #include <errno.h>
8 #include <fcntl.h>
9 #include <sys/types.h>
10 #include <sys/stat.h>
11 
12 #include <string>
13 
14 #include "base/logging.h"
15 #include "base/file_path.h"
16 #include "base/file_util.h"
17 #include "base/string_util.h"
18 #include "base/utf_string_conversions.h"
19 
20 namespace file_util {
21 
DieFileDie(const FilePath & file,bool recurse)22 bool DieFileDie(const FilePath& file, bool recurse) {
23   // There is no need to workaround Windows problems on POSIX.
24   // Just pass-through.
25   return file_util::Delete(file, recurse);
26 }
27 
28 // Mostly a verbatim copy of CopyDirectory
CopyRecursiveDirNoCache(const FilePath & source_dir,const FilePath & dest_dir)29 bool CopyRecursiveDirNoCache(const FilePath& source_dir,
30                              const FilePath& dest_dir) {
31   char top_dir[PATH_MAX];
32   if (base::strlcpy(top_dir, source_dir.value().c_str(),
33                     arraysize(top_dir)) >= arraysize(top_dir)) {
34     return false;
35   }
36 
37   // This function does not properly handle destinations within the source
38   FilePath real_to_path = dest_dir;
39   if (PathExists(real_to_path)) {
40     if (!AbsolutePath(&real_to_path))
41       return false;
42   } else {
43     real_to_path = real_to_path.DirName();
44     if (!AbsolutePath(&real_to_path))
45       return false;
46   }
47   if (real_to_path.value().compare(0, source_dir.value().size(),
48       source_dir.value()) == 0)
49     return false;
50 
51   bool success = true;
52   FileEnumerator::FILE_TYPE traverse_type =
53       static_cast<FileEnumerator::FILE_TYPE>(FileEnumerator::FILES |
54       FileEnumerator::SHOW_SYM_LINKS | FileEnumerator::DIRECTORIES);
55   FileEnumerator traversal(source_dir, true, traverse_type);
56 
57   // dest_dir may not exist yet, start the loop with dest_dir
58   FileEnumerator::FindInfo info;
59   FilePath current = source_dir;
60   if (stat(source_dir.value().c_str(), &info.stat) < 0) {
61     LOG(ERROR) << "CopyRecursiveDirNoCache() couldn't stat source directory: "
62         << source_dir.value() << " errno = " << errno;
63     success = false;
64   }
65 
66   while (success && !current.empty()) {
67     // |current| is the source path, including source_dir, so paste
68     // the suffix after source_dir onto dest_dir to create the target_path.
69     std::string suffix(&current.value().c_str()[source_dir.value().size()]);
70     // Strip the leading '/' (if any).
71     if (!suffix.empty()) {
72       DCHECK_EQ('/', suffix[0]);
73       suffix.erase(0, 1);
74     }
75     const FilePath target_path = dest_dir.Append(suffix);
76 
77     if (S_ISDIR(info.stat.st_mode)) {
78       if (mkdir(target_path.value().c_str(), info.stat.st_mode & 01777) != 0 &&
79           errno != EEXIST) {
80         LOG(ERROR) << "CopyRecursiveDirNoCache() couldn't create directory: " <<
81             target_path.value() << " errno = " << errno;
82         success = false;
83       }
84     } else if (S_ISREG(info.stat.st_mode)) {
85       if (CopyFile(current, target_path)) {
86         success = EvictFileFromSystemCache(target_path);
87         DCHECK(success);
88       } else {
89         LOG(ERROR) << "CopyRecursiveDirNoCache() couldn't create file: " <<
90             target_path.value();
91         success = false;
92       }
93     } else {
94       LOG(WARNING) << "CopyRecursiveDirNoCache() skipping non-regular file: " <<
95           current.value();
96     }
97 
98     current = traversal.Next();
99     traversal.GetFindInfo(&info);
100   }
101 
102   return success;
103 }
104 
105 #if !defined(OS_LINUX) && !defined(OS_MACOSX)
EvictFileFromSystemCache(const FilePath & file)106 bool EvictFileFromSystemCache(const FilePath& file) {
107   // There doesn't seem to be a POSIX way to cool the disk cache.
108   NOTIMPLEMENTED();
109   return false;
110 }
111 #endif
112 
FilePathAsWString(const FilePath & path)113 std::wstring FilePathAsWString(const FilePath& path) {
114   return UTF8ToWide(path.value());
115 }
WStringAsFilePath(const std::wstring & path)116 FilePath WStringAsFilePath(const std::wstring& path) {
117   return FilePath(WideToUTF8(path));
118 }
119 
120 }  // namespace file_util
121