return !path.empty();
}
-bool
-Path::isAbsolute(const char *NameStart, unsigned NameLen) {
- assert(NameStart);
- if (NameLen == 0)
- return false;
- return NameStart[0] == '/';
-}
-
-bool
-Path::isAbsolute() const {
- if (path.empty())
- return false;
- return path[0] == '/';
-}
-
Path
Path::GetTemporaryDirectory(std::string *ErrMsg) {
#if defined(HAVE_MKDTEMP)
return Path();
}
-
-StringRef
-Path::getSuffix() const {
- // Find the last slash
- std::string::size_type slash = path.rfind('/');
- if (slash == std::string::npos)
- slash = 0;
- else
- slash++;
-
- std::string::size_type dot = path.rfind('.');
- if (dot == std::string::npos || dot < slash)
- return StringRef();
- else
- return StringRef(path).substr(dot + 1);
-}
-
-bool Path::getMagicNumber(std::string &Magic, unsigned len) const {
- assert(len < 1024 && "Request for magic string too long");
- char Buf[1025];
- int fd = ::open(path.c_str(), O_RDONLY);
- if (fd < 0)
- return false;
- ssize_t bytes_read = ::read(fd, Buf, len);
- ::close(fd);
- if (ssize_t(len) != bytes_read)
- return false;
- Magic.assign(Buf, len);
- return true;
-}
-
bool
Path::exists() const {
return 0 == access(path.c_str(), F_OK );
return S_ISLNK(buf.st_mode);
}
-
-bool
-Path::canRead() const {
- return 0 == access(path.c_str(), R_OK);
-}
-
-bool
-Path::canWrite() const {
- return 0 == access(path.c_str(), W_OK);
-}
-
bool
Path::isRegularFile() const {
// Get the status so we can determine if it's a file or directory
return false;
}
-bool
-Path::canExecute() const {
- if (0 != access(path.c_str(), R_OK | X_OK ))
- return false;
- struct stat buf;
- if (0 != stat(path.c_str(), &buf))
- return false;
- if (!S_ISREG(buf.st_mode))
- return false;
- return true;
-}
-
const FileStatus *
PathWithStatus::getFileStatus(bool update, std::string *ErrStr) const {
if (!fsIsValid || update) {
status.mode = buf.st_mode;
status.user = buf.st_uid;
status.group = buf.st_gid;
- status.uniqueID = uint64_t(buf.st_ino);
status.isDir = S_ISDIR(buf.st_mode);
status.isFile = S_ISREG(buf.st_mode);
fsIsValid = true;
return false;
}
-bool
-sys::CopyFile(const sys::Path &Dest, const sys::Path &Src, std::string* ErrMsg){
- int inFile = -1;
- int outFile = -1;
- inFile = ::open(Src.c_str(), O_RDONLY);
- if (inFile == -1)
- return MakeErrMsg(ErrMsg, Src.str() +
- ": can't open source file to copy");
-
- outFile = ::open(Dest.c_str(), O_WRONLY|O_CREAT, 0666);
- if (outFile == -1) {
- ::close(inFile);
- return MakeErrMsg(ErrMsg, Dest.str() +
- ": can't create destination file for copy");
- }
-
- char Buffer[16*1024];
- while (ssize_t Amt = ::read(inFile, Buffer, 16*1024)) {
- if (Amt == -1) {
- if (errno != EINTR && errno != EAGAIN) {
- ::close(inFile);
- ::close(outFile);
- return MakeErrMsg(ErrMsg, Src.str()+": can't read source file");
- }
- } else {
- char *BufPtr = Buffer;
- while (Amt) {
- ssize_t AmtWritten = ::write(outFile, BufPtr, Amt);
- if (AmtWritten == -1) {
- if (errno != EINTR && errno != EAGAIN) {
- ::close(inFile);
- ::close(outFile);
- return MakeErrMsg(ErrMsg, Dest.str() +
- ": can't write destination file");
- }
- } else {
- Amt -= AmtWritten;
- BufPtr += AmtWritten;
- }
- }
- }
- }
- ::close(inFile);
- ::close(outFile);
- return false;
-}
-
bool
Path::makeUnique(bool reuse_current, std::string* ErrMsg) {
bool Exists;