informative message
git-svn-id: https://asn1c.svn.sourceforge.net/svnroot/asn1c/trunk@989 59561ff5-6e30-0410-9f3c-9617f08c8826
diff --git a/asn1c/asn1c.c b/asn1c/asn1c.c
index e009c38..ce1342f 100644
--- a/asn1c/asn1c.c
+++ b/asn1c/asn1c.c
@@ -177,8 +177,10 @@
ac -= optind;
av += optind;
} else {
- fprintf(stderr, "%s: No input files specified\n",
- a1c_basename(av[0]));
+ char *bin_name = a1c_basename(av[0]);
+ fprintf(stderr, "%s: No input files specified. "
+ "Try '%s -h' for more information\n",
+ bin_name, bin_name);
exit(1);
}