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Check if stdin is a tty

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Some indentation changes as well.
This commit is contained in:
sin 2014-06-03 10:45:27 +01:00
parent b6007ba92b
commit c4c1feac2a
1 changed files with 4 additions and 1 deletions
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5
login.c
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@ -38,6 +38,9 @@ main(int argc, char *argv[])
if (argc < 1) if (argc < 1)
usage(); usage();
if (isatty(STDIN_FILENO) == 0)
eprintf("stdin is not a tty\n");
errno = 0; errno = 0;
pw = getpwnam(argv[0]); pw = getpwnam(argv[0]);
if (errno) if (errno)
@ -59,7 +62,7 @@ main(int argc, char *argv[])
goto login; goto login;
/* Flush pending input */ /* Flush pending input */
ioctl(STDIN_FILENO, TCFLSH, (void *)0); ioctl(STDIN_FILENO, TCFLSH, (void *)0);
pass = getpass("Password: "); pass = getpass("Password: ");
putchar('\n'); putchar('\n');