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);
"\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)
int utmp_put_dead_process(const char *id, pid_t pid, int code, int status);
int utmp_put_init_process(const char *id, pid_t pid, pid_t sid, const char *line);
-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));
if (asprintf(&l, "%s%s%s%s!", c->wall_message, c->wall_message[0] ? "\n" : "",
prefix, format_timestamp(date, sizeof(date), c->usec)) >= 0)
- utmp_wall(l, NULL);
+ utmp_wall(l, NULL, NULL);
else
log_error("Failed to allocate wall message");
}
}
if (*p) {
- utmp_wall(p, NULL);
+ utmp_wall(p, NULL, NULL);
return;
}
}
if (!table[a])
return;
- utmp_wall(table[a], NULL);
+ utmp_wall(table[a], NULL, NULL);
}
static bool avoid_bus(void) {
free(p);
if (wall) {
- utmp_wall(wall, wall_tty_match);
+ utmp_wall(wall, NULL, wall_tty_match);
free(wall);
}
}