35 bool FileExists(const std::string& path) {  in FileExists()  argument
37   return stat(path.c_str(), &st) == 0;  in FileExists()
40 bool FileHasContent(const std::string& path) {  in FileHasContent()  argument
41   return FileSize(path) > 0;  in FileHasContent()
44 bool DirectoryExists(const std::string& path) {  in DirectoryExists()  argument
46   if (stat(path.c_str(), &st) == -1) {  in DirectoryExists()
55 bool IsDirectoryEmpty(const std::string& path) {  in IsDirectoryEmpty()  argument
56   auto direc = ::opendir(path.c_str());  in IsDirectoryEmpty()
58     LOG(ERROR) << "IsDirectoryEmpty test failed with " << path  in IsDirectoryEmpty()
68     LOG(ERROR) << "IsDirectoryEmpty test failed with " << path  in IsDirectoryEmpty()
76 std::string AbsolutePath(const std::string& path) {  in AbsolutePath()  argument
77   if (path.empty()) {  in AbsolutePath()
80   if (path[0] == '/') {  in AbsolutePath()
81     return path;  in AbsolutePath()
83   if (path[0] == '~') {  in AbsolutePath()
84     LOG(WARNING) << "Tilde expansion in path " << path <<" is not supported";  in AbsolutePath()
94   return std::string{buffer.data()} + "/" + path;  in AbsolutePath()
97 off_t FileSize(const std::string& path) {  in FileSize()  argument
99   if (stat(path.c_str(), &st) == -1) {  in FileSize()
106 std::chrono::system_clock::time_point FileModificationTime(const std::string& path) {  in FileModificationTime()  argument
108   if (stat(path.c_str(), &st) == -1) {  in FileModificationTime()
143   char* path = getcwd(nullptr, 0);  in CurrentDirectory()  local
144   std::string ret(path);  in CurrentDirectory()
145   free(path);  in CurrentDirectory()
149 FileSizes SparseFileSizes(const std::string& path) {  in SparseFileSizes()  argument
150   auto fd = SharedFD::Open(path, O_RDONLY);  in SparseFileSizes()
152     LOG(ERROR) << "Could not open \"" << path << "\": " << fd->StrError();  in SparseFileSizes()
158     LOG(ERROR) << "Could not lseek in \"" << path << "\": " << fd->StrError();  in SparseFileSizes()
170         LOG(ERROR) << "Could not lseek in \"" << path << "\": " << fd->StrError();  in SparseFileSizes()
186         LOG(ERROR) << "Could not lseek in \"" << path << "\": " << fd->StrError();  in SparseFileSizes()