ubase

suckless linux base utils
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commit 2d45a04b92df641158ca400873a522fede1d9a01
parent 6da76775cb54635ce07dfcd3894cdef3df8c692f
Author: sin <sin@2f30.org>
Date:   Sun, 30 Nov 2014 13:04:47 +0000

Check if 0, 1, 2 are valid tty file descriptors

Diffstat:
Mlogin.c | 4++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/login.c b/login.c @@ -71,8 +71,8 @@ main(int argc, char *argv[]) if (argc < 1) usage(); - if (isatty(STDIN_FILENO) == 0) - eprintf("stdin is not a tty\n"); + if (isatty(0) == 0 || isatty(1) == 0 || isatty(2) == 0) + eprintf("no tty"); user = argv[0]; errno = 0;