===================================================================
RCS file: /cvs/mandoc/demandoc.c,v
retrieving revision 1.13
retrieving revision 1.14
diff -u -p -r1.13 -r1.14
--- mandoc/demandoc.c	2015/01/15 04:26:39	1.13
+++ mandoc/demandoc.c	2015/02/07 06:28:08	1.14
@@ -1,4 +1,4 @@
-/*	$Id: demandoc.c,v 1.13 2015/01/15 04:26:39 schwarze Exp $ */
+/*	$Id: demandoc.c,v 1.14 2015/02/07 06:28:08 schwarze Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -47,8 +47,9 @@ main(int argc, char *argv[])
 	int		 ch, fd, i, list;
 	extern int	 optind;
 
-	progname = strrchr(argv[0], '/');
-	if (progname == NULL)
+	if (argc < 1)
+		progname = "demandoc";
+	else if ((progname = strrchr(argv[0], '/')) == NULL)
 		progname = argv[0];
 	else
 		++progname;
@@ -81,7 +82,7 @@ main(int argc, char *argv[])
 	mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_BADARG, NULL, mchars, NULL);
 	assert(mp);
 
-	if (0 == argc)
+	if (argc < 1)
 		pmandoc(mp, STDIN_FILENO, "<stdin>", list);
 
 	for (i = 0; i < argc; i++) {