diff options
| -rw-r--r-- | loginutils/vlock.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/loginutils/vlock.c b/loginutils/vlock.c index 7a44d94..1414613 100644 --- a/loginutils/vlock.c +++ b/loginutils/vlock.c @@ -27,10 +27,7 @@ static unsigned long o_lock_all; static void release_vt(int signo) { - if (!o_lock_all) - ioctl(vfd, VT_RELDISP, 1); - else - ioctl(vfd, VT_RELDISP, 0); + ioctl(vfd, VT_RELDISP, !o_lock_all); } static void acquire_vt(int signo) @@ -50,6 +47,11 @@ int vlock_main(int argc, char **argv) struct sigaction sa; struct vt_mode vtm; struct termios term; + uid_t uid = getuid(); + + pw = getpwuid(uid); + if (pw == NULL) + bb_error_msg_and_die("unknown uid %d", uid); if (argc > 2) { bb_show_usage(); @@ -57,10 +59,6 @@ int vlock_main(int argc, char **argv) o_lock_all = getopt32(argc, argv, "a"); - if((pw = getpwuid(getuid())) == NULL) { - bb_error_msg_and_die("unknown uid %d", getuid()); - } - vfd = xopen(CURRENT_TTY, O_RDWR); if (ioctl(vfd, VT_GETMODE, &vtm) < 0) { |