Function OpenTempFile

src/io/FileOutputStream.cxx:173–185

* Open a file using Linux's O_TMPFILE for writing the given file. */

 * Open a file using Linux's O_TMPFILE for writing the given file.
 */
static bool
OpenTempFile(FileDescriptor directory_fd,
	     FileDescriptor &fd, Path path) noexcept
{
	if (directory_fd != FileDescriptor(AT_FDCWD))
		return fd.Open(directory_fd, ".", O_TMPFILE|O_WRONLY, 0666);

	const auto directory = path.GetDirectoryName();
	if (directory.IsNull())
		return false;

	return fd.Open(directory.c_str(), O_TMPFILE|O_WRONLY, 0666);
}

#endif /* HAVE_O_TMPFILE */