diff options
| -rw-r--r-- | libc/unistd/getpass.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libc/unistd/getpass.c b/libc/unistd/getpass.c index 8ebc985df..ac2159036 100644 --- a/libc/unistd/getpass.c +++ b/libc/unistd/getpass.c @@ -63,8 +63,11 @@ getpass (prompt) /* Tricky, tricky. */ t.c_lflag &= ~(ECHO|ISIG); tty_changed = (tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &t) == 0); - /* Disable buffering for input FILE to prevent the buffering from flushing. */ - setvbuf(in, NULL, _IOLBF, 0); + if (in != stdin) { + /* Disable buffering for read/write FILE to prevent problems with + * fseek and buffering for read/write auto-transitioning. */ + setvbuf(in, NULL, _IONBF, 0); + } } else tty_changed = 0; @@ -93,8 +96,6 @@ getpass (prompt) /* Restore the original setting. */ if (tty_changed) { (void) tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &s); - /* Re-enable buffering. */ - setlinebuf(in); } if (in != stdin) |