34 std::string GetTmpFilePath(const std::string& path) {  in GetTmpFilePath()  argument
35     return android::base::StringPrintf("%s%s", path.c_str(), kTmpFileSuffix);  in GetTmpFilePath()
38 std::string GetBackupFilePath(const std::string& path) {  in GetBackupFilePath()  argument
39     return android::base::StringPrintf("%s%s", path.c_str(), kBackupFileSuffix);  in GetBackupFilePath()
42 void UnlinkPossiblyNonExistingFile(const std::string& path) {  in UnlinkPossiblyNonExistingFile()  argument
43     if (unlink(path.c_str()) < 0) {  in UnlinkPossiblyNonExistingFile()
45             PLOG(ERROR) << "Cannot unlink: " << path;  in UnlinkPossiblyNonExistingFile()
51 bool FileExists(const std::string& path) {  in FileExists()  argument
53     return ::stat(path.c_str(), &st) == 0;  in FileExists()
63 RestorableFile::RestorableFile(int value, const std::string& path) : unique_file_(value, path) {  in RestorableFile()  argument
75     std::string path(unique_file_.path());  in reset()  local
77     if (!path.empty()) {  in reset()
78         UnlinkPossiblyNonExistingFile(GetTmpFilePath(path));  in reset()
83     if (path().empty() || !FileExists(path())) {  in CreateBackupFile()
86     std::string backup = GetBackupFilePath(path());  in CreateBackupFile()
88     if (rename(path().c_str(), backup.c_str()) < 0) {  in CreateBackupFile()
89         PLOG(ERROR) << "Cannot rename " << path() << " to " << backup;  in CreateBackupFile()
96     std::string path(unique_file_.path());  in CommitWorkFile()  local
98     unique_file_.reset(-1, path);  in CommitWorkFile()
99     if (!path.empty()) {  in CommitWorkFile()
100         if (rename(GetTmpFilePath(path).c_str(), path.c_str()) < 0) {  in CommitWorkFile()
101             PLOG(ERROR) << "Cannot rename " << GetTmpFilePath(path) << " to " << path;  in CommitWorkFile()
103             UnlinkPossiblyNonExistingFile(path);  in CommitWorkFile()
104             UnlinkPossiblyNonExistingFile(GetTmpFilePath(path));  in CommitWorkFile()
113     std::string backup = GetBackupFilePath(path());  in RestoreBackupFile()
114     if (path().empty() || !FileExists(backup)) {  in RestoreBackupFile()
117     UnlinkPossiblyNonExistingFile(path());  in RestoreBackupFile()
118     if (rename(backup.c_str(), path().c_str()) < 0) {  in RestoreBackupFile()
119         PLOG(ERROR) << "Cannot rename " << backup << " to " << path();  in RestoreBackupFile()
126     UnlinkPossiblyNonExistingFile(GetBackupFilePath(path()));  in RemoveBackupFile()
134     std::string path(unique_file_.path());  in ResetAndRemoveAllFiles()  local
136     RemoveAllFiles(path);  in ResetAndRemoveAllFiles()
139 RestorableFile RestorableFile::CreateWritableFile(const std::string& path, int permissions) {  in CreateWritableFile()  argument
140     std::string tmp_file_path = GetTmpFilePath(path);  in CreateWritableFile()
144     if (!path.empty()) {  in CreateWritableFile()
150     RestorableFile rf(fd, path);  in CreateWritableFile()
154 void RestorableFile::RemoveAllFiles(const std::string& path) {  in RemoveAllFiles()  argument
155     UnlinkPossiblyNonExistingFile(GetTmpFilePath(path));  in RemoveAllFiles()
156     UnlinkPossiblyNonExistingFile(GetBackupFilePath(path));  in RemoveAllFiles()
157     UnlinkPossiblyNonExistingFile(path);  in RemoveAllFiles()