class raw_fd_ostream : public raw_ostream {
int FD;
bool ShouldClose;
+ uint64_t pos;
public:
/// raw_fd_ostream - Open the specified file for writing. If an
/// error occurs, information about the error is put into ErrorInfo,
void close();
/// tell - Return the current offset with the file.
- uint64_t tell();
+ uint64_t tell() {
+ return pos + (OutBufCur - OutBufStart);
+ }
};
/// raw_stdout_ostream - This is a stream that always prints to stdout.
/// stream should be immediately destroyed; the string will be empty
/// if no error occurred.
raw_fd_ostream::raw_fd_ostream(const char *Filename, bool Binary,
- std::string &ErrorInfo) {
+ std::string &ErrorInfo) : pos(0) {
ErrorInfo.clear();
// Handle "-" as stdout.
void raw_fd_ostream::flush_impl() {
assert (FD >= 0 && "File already closed.");
- if (OutBufCur-OutBufStart)
+ if (OutBufCur-OutBufStart) {
+ pos += (OutBufCur - OutBufStart);
::write(FD, OutBufStart, OutBufCur-OutBufStart);
+ }
HandleFlush();
}
FD = -1;
}
-uint64_t raw_fd_ostream::tell() {
- // We have to take into account the bytes waiting in the buffer. For now
- // we do the easy thing and just flush the buffer before getting the
- // current file offset.
- flush();
- return (uint64_t) lseek(FD, 0, SEEK_CUR);
-}
-
//===----------------------------------------------------------------------===//
// raw_stdout/err_ostream
//===----------------------------------------------------------------------===//