diff options
Diffstat (limited to 'src/shared/utmp-wtmp.c')
| -rw-r--r-- | src/shared/utmp-wtmp.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/shared/utmp-wtmp.c b/src/shared/utmp-wtmp.c index 32996fad36..30a0c031f3 100644 --- a/src/shared/utmp-wtmp.c +++ b/src/shared/utmp-wtmp.c @@ -347,16 +347,20 @@ static int write_to_terminal(const char *tty, const char *message) { return 0; } -int utmp_wall(const char *message, bool (*match_tty)(const char *tty)) { +int utmp_wall(const char *message, const char *username, bool (*match_tty)(const char *tty)) { _cleanup_free_ char *text = NULL, *hn = NULL, *un = NULL, *tty = NULL; char date[FORMAT_TIMESTAMP_MAX]; struct utmpx *u; int r; hn = gethostname_malloc(); - un = getlogname_malloc(); - if (!hn || !un) + if (!hn) return -ENOMEM; + if (!username) { + un = getlogname_malloc(); + if (!un) + return -ENOMEM; + } getttyname_harder(STDIN_FILENO, &tty); @@ -364,7 +368,7 @@ int utmp_wall(const char *message, bool (*match_tty)(const char *tty)) { "\a\r\n" "Broadcast message from %s@%s%s%s (%s):\r\n\r\n" "%s\r\n\r\n", - un, hn, + un ?: username, hn, tty ? " on " : "", strempty(tty), format_timestamp(date, sizeof(date), now(CLOCK_REALTIME)), message) < 0) |