--- jfbterm-0.4.7/term.c.debug	2011-04-29 00:14:18.000000000 +0900
+++ jfbterm-0.4.7/term.c	2011-04-30 03:47:39.000000000 +0900
@@ -267,6 +267,18 @@
 	exit(1);
 }
 
+const char *guess_utid_from_ttyname (const char *devname)
+{
+	if (!devname || !*devname) return NULL;
+
+/*
+	if (!strncmp(devname, "/dev/pts/",9))
+		return devname + 8;
+*/
+	if (!strncmp(devname, "/dev/", 5) && (strlen(devname) >= 9))
+		return devname + 8;
+	return NULL;
+}
 
 void	tterm_set_utmp(TTerm* p)
 {
@@ -278,7 +290,7 @@
 	pw = getpwuid(util_getuid());
 	tn = rindex(p->name, '/') + 1;
 	memset((char *)&utmp, 0, sizeof(utmp));
-	strncpy(utmp.ut_id, tn + 3, sizeof(utmp.ut_id));
+	strncpy(utmp.ut_id, guess_utid_from_ttyname(p->name), sizeof(utmp.ut_id));
 	utmp.ut_type = DEAD_PROCESS;
 	setutent();
 	getutid(&utmp);
@@ -298,20 +310,22 @@
 {
 	struct utmp	utmp, *utp;
 	time_t tmp_ut_time;
-	char	*tn;
+	/*char	*tn;*/
 
-	tn = rindex(p->name, '/') + 4;
+	/*tn = rindex(p->name, '/') + 4;*/
 	memset((char *)&utmp, 0, sizeof(utmp));
-	strncpy(utmp.ut_id, tn, sizeof(utmp.ut_id));
+	strncpy(utmp.ut_id, guess_utid_from_ttyname(p->name), sizeof(utmp.ut_id));
 	utmp.ut_type = USER_PROCESS;
 	setutent();
 	utp = getutid(&utmp);
-	utp->ut_type = DEAD_PROCESS;
-	memset(utp->ut_user, 0, sizeof(utmp.ut_user));
-	utp->ut_type = DEAD_PROCESS;
-	time(&(tmp_ut_time));
-	utp->ut_time = (int32_t) tmp_ut_time;
-	pututline(utp);
+	if (utp){
+		utp->ut_type = DEAD_PROCESS;
+		memset(utp->ut_user, 0, sizeof(utmp.ut_user));
+		utp->ut_type = DEAD_PROCESS;
+		time(&(tmp_ut_time));
+		utp->ut_time = (int32_t) tmp_ut_time;
+		pututline(utp);
+	}
 	endutent();
 }