commit c4c1feac2a7cba8b2c5282810a30b192d0e30623
parent b6007ba92b85433ba228da38ae676d9c68aa4eb2
Author: sin <sin@2f30.org>
Date: Tue, 3 Jun 2014 10:45:27 +0100
Check if stdin is a tty
Some indentation changes as well.
Diffstat:
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/login.c b/login.c
@@ -38,6 +38,9 @@ main(int argc, char *argv[])
if (argc < 1)
usage();
+ if (isatty(STDIN_FILENO) == 0)
+ eprintf("stdin is not a tty\n");
+
errno = 0;
pw = getpwnam(argv[0]);
if (errno)
@@ -59,7 +62,7 @@ main(int argc, char *argv[])
goto login;
/* Flush pending input */
- ioctl(STDIN_FILENO, TCFLSH, (void *)0);
+ ioctl(STDIN_FILENO, TCFLSH, (void *)0);
pass = getpass("Password: ");
putchar('\n');