diff options
Diffstat (limited to 'term-utils')
| -rw-r--r-- | term-utils/wall.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/term-utils/wall.c b/term-utils/wall.c index c606e6347..c3e89bab9 100644 --- a/term-utils/wall.c +++ b/term-utils/wall.c @@ -250,10 +250,12 @@ int main(int argc, char **argv) if (utmpptr->ut_type != USER_PROCESS) continue; #endif - /* Joey Hess reports that use-sessreg in /etc/X11/wdm/ - produces ut_line entries like :0, and a write - to /dev/:0 fails. */ - if (utmpptr->ut_line[0] == ':') + /* Joey Hess reports that use-sessreg in /etc/X11/wdm/ produces + * ut_line entries like :0, and a write to /dev/:0 fails. + * + * It also seems that some login manager may produce empty ut_line. + */ + if (!*utmpptr->ut_line || *utmpptr->ut_line == ':') continue; if (group_buf && !is_gr_member(utmpptr->ut_user, group_buf)) |