+char *
+session_tty_list(void)
+{
+ static char buf[1024];
+ int i;
+ buf[0] = '\0';
+ for(i = 0; i < MAX_SESSIONS; i++) {
+ Session *s = &sessions[i];
+ if (s->used && s->ttyfd != -1) {
+ if (buf[0] != '\0')
+ strlcat(buf, ",", sizeof buf);
+ strlcat(buf, strrchr(s->tty, '/') + 1, sizeof buf);
+ }
+ }
+ if (buf[0] == '\0')
+ strlcpy(buf, "notty", sizeof buf);
+ return buf;
+}
+
+void
+session_proctitle(Session *s)
+{
+ if (s->pw == NULL)
+ error("no user for session %d", s->self);
+ else
+ setproctitle("%s@%s", s->pw->pw_name, session_tty_list());
+}
+