Be more careful when parsing arguments.

PR: 45476 MFC after: 5 days
2002-11-20 17:59:20 +00:00 · 2002-11-20 17:59:20 +00:00 · 15c7fa3d74
commit 15c7fa3d74
parent 48261862cd
1 changed files with 6 additions and 2 deletions
--- a/usr.bin/telnet/commands.c
+++ b/usr.bin/telnet/commands.c
@ -2026,8 +2026,12 @@ tn(int argc, char *argv[])
 #endif
 	    (hostname = strrchr(hostp, ':')) == NULL)
 	    hostname = strrchr(hostp, '@');
-	hostname++;
-	srcroute = 1;
+	if (hostname == NULL) {
+	    hostname = hostp;
+	} else {
+	    hostname++;
+	    srcroute = 1;
+	}
    } else
        hostname = hostp;
    if (!portp) {