| // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/test_file_util.h" |
| |
| #include <errno.h> |
| #include <fts.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| #include <string> |
| |
| #include "base/logging.h" |
| #include "base/file_path.h" |
| #include "base/file_util.h" |
| #include "base/string_util.h" |
| |
| namespace file_util { |
| |
| bool CopyRecursiveDirNoCache(const std::wstring& source_dir, |
| const std::wstring& dest_dir) { |
| const FilePath from_path(FilePath::FromWStringHack(source_dir)); |
| const FilePath to_path(FilePath::FromWStringHack(dest_dir)); |
| |
| char top_dir[PATH_MAX]; |
| if (base::strlcpy(top_dir, from_path.value().c_str(), |
| arraysize(top_dir)) >= arraysize(top_dir)) { |
| return false; |
| } |
| |
| char* dir_list[] = { top_dir, NULL }; |
| FTS* fts = fts_open(dir_list, FTS_PHYSICAL | FTS_NOSTAT, NULL); |
| if (!fts) { |
| LOG(ERROR) << "fts_open failed: " << strerror(errno); |
| return false; |
| } |
| |
| int error = 0; |
| FTSENT* ent; |
| while (!error && (ent = fts_read(fts)) != NULL) { |
| // ent->fts_path is the source path, including from_path, so paste |
| // the suffix after from_path onto to_path to create the target_path. |
| std::string suffix(&ent->fts_path[from_path.value().size()]); |
| // Strip the leading '/' (if any). |
| if (!suffix.empty()) { |
| DCHECK_EQ('/', suffix[0]); |
| suffix.erase(0, 1); |
| } |
| const FilePath target_path = to_path.Append(suffix); |
| switch (ent->fts_info) { |
| case FTS_D: // Preorder directory. |
| // Try creating the target dir, continuing on it if it exists already. |
| // Rely on the user's umask to produce correct permissions. |
| if (mkdir(target_path.value().c_str(), 0777) != 0) { |
| if (errno != EEXIST) |
| error = errno; |
| } |
| break; |
| case FTS_F: // Regular file. |
| case FTS_NSOK: // File, no stat info requested. |
| { |
| errno = 0; |
| FilePath source_path(ent->fts_path); |
| if (CopyFile(source_path, target_path)) { |
| bool success = EvictFileFromSystemCache( |
| target_path.Append(source_path.BaseName())); |
| DCHECK(success); |
| } else { |
| error = errno ? errno : EINVAL; |
| } |
| } |
| break; |
| case FTS_DP: // Postorder directory. |
| case FTS_DOT: // "." or ".." |
| // Skip it. |
| continue; |
| case FTS_DC: // Directory causing a cycle. |
| // Skip this branch. |
| if (fts_set(fts, ent, FTS_SKIP) != 0) |
| error = errno; |
| break; |
| case FTS_DNR: // Directory cannot be read. |
| case FTS_ERR: // Error. |
| case FTS_NS: // Stat failed. |
| // Abort with the error. |
| error = ent->fts_errno; |
| break; |
| case FTS_SL: // Symlink. |
| case FTS_SLNONE: // Symlink with broken target. |
| LOG(WARNING) << "skipping symbolic link: " << ent->fts_path; |
| continue; |
| case FTS_DEFAULT: // Some other sort of file. |
| LOG(WARNING) << "skipping file of unknown type: " << ent->fts_path; |
| continue; |
| default: |
| NOTREACHED(); |
| continue; // Hope for the best! |
| } |
| } |
| // fts_read may have returned NULL and set errno to indicate an error. |
| if (!error && errno != 0) |
| error = errno; |
| |
| if (!fts_close(fts)) { |
| // If we already have an error, let's use that error instead of the error |
| // fts_close set. |
| if (!error) |
| error = errno; |
| } |
| |
| if (error) { |
| LOG(ERROR) << strerror(error); |
| return false; |
| } |
| return true; |
| } |
| |
| } // namespace file_util |