diff options
| author | Manuel Novoa III <mjn3@codepoet.org> | 2002-04-09 17:00:04 +0000 |
|---|---|---|
| committer | Manuel Novoa III <mjn3@codepoet.org> | 2002-04-09 17:00:04 +0000 |
| commit | 6fe5b769d6e013febf722788cb890c3af9701a02 (patch) | |
| tree | 7de8ab8bcda3e4a7f80c2e1b473f2dd779faa4df | |
| parent | c0c5714a11fe01407658ba7a5dd2513f626c6b2c (diff) | |
Only set no buffering if we opened the file. Also, don't bother restoring
buffering since we will close the file in that case anyway.
| -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) |