// raw_fd_ostream
//===----------------------------------------------------------------------===//
-raw_fd_ostream::raw_fd_ostream(StringRef Filename, std::error_code &EC,
- sys::fs::OpenFlags Flags)
- : Error(false), UseAtomicWrites(false), pos(0) {
- EC = std::error_code();
+static int getFD(StringRef Filename, std::error_code &EC,
+ sys::fs::OpenFlags Flags) {
// Handle "-" as stdout. Note that when we do this, we consider ourself
// the owner of stdout. This means that we can do things like close the
// file descriptor when we're done and set the "binary" flag globally.
if (Filename == "-") {
- FD = STDOUT_FILENO;
+ EC = std::error_code();
// If user requested binary then put stdout into binary mode if
// possible.
if (!(Flags & sys::fs::F_Text))
sys::ChangeStdoutToBinary();
- // Close stdout when we're done, to detect any output errors.
- ShouldClose = true;
- return;
+ return STDOUT_FILENO;
}
+ int FD;
EC = sys::fs::openFileForWrite(Filename, FD, Flags);
+ if (EC)
+ return -1;
- if (EC) {
- ShouldClose = false;
- return;
- }
-
- // Ok, we successfully opened the file, so it'll need to be closed.
- ShouldClose = true;
+ return FD;
}
+raw_fd_ostream::raw_fd_ostream(StringRef Filename, std::error_code &EC,
+ sys::fs::OpenFlags Flags)
+ : raw_fd_ostream(getFD(Filename, EC, Flags), true) {}
+
/// FD is the file descriptor that this writes to. If ShouldClose is true, this
/// closes the file when the stream is destroyed.
raw_fd_ostream::raw_fd_ostream(int fd, bool shouldClose, bool unbuffered)
- : raw_ostream(unbuffered), FD(fd), ShouldClose(shouldClose), Error(false),
- UseAtomicWrites(false) {
-#ifdef O_BINARY
- // Setting STDOUT to binary mode is necessary in Win32
- // to avoid undesirable linefeed conversion.
- // Don't touch STDERR, or w*printf() (in assert()) would barf wide chars.
- if (fd == STDOUT_FILENO)
- setmode(fd, O_BINARY);
-#endif
+ : raw_ostream(unbuffered), FD(fd),
+ ShouldClose(shouldClose), Error(false), UseAtomicWrites(false) {
+ if (FD < 0 ) {
+ ShouldClose = false;
+ return;
+ }
// Get the starting position.
off_t loc = ::lseek(FD, 0, SEEK_CUR);