X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/5c34a38ad47b5bec1535a4c6c3272f8b4b2364bd..50d4d5ca6977bf7224f5ae0aa31f8ee7964df5a3:/sbr/utils.c

diff --git a/sbr/utils.c b/sbr/utils.c
index 99207e32..989a9c8b 100644
--- a/sbr/utils.c
+++ b/sbr/utils.c
@@ -363,6 +363,9 @@ nmh_init(const char *argv0, int read_context) {
 int
 contains8bit(const char *start, const char *end)
 {
+    if (! start)
+	return 0;
+
     while (*start != '\0' && (!end || (start < end)))
 	if (! isascii((unsigned char) *start++))
 	    return 1;