===================================================================
RCS file: /cvs/mandoc/Attic/hash.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -p -r1.3 -r1.4
--- mandoc/Attic/hash.c	2008/12/23 05:30:49	1.3
+++ mandoc/Attic/hash.c	2009/01/05 17:57:07	1.4
@@ -1,4 +1,4 @@
-/* $Id: hash.c,v 1.3 2008/12/23 05:30:49 kristaps Exp $ */
+/* $Id: hash.c,v 1.4 2009/01/05 17:57:07 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -112,6 +112,8 @@ mdoc_tokhash_find(const void *arg, const char *tmp)
 		minor = tmp[1] - 97;
 
 	ind = (major * 27) + minor;
+	if (ind < 0 || ind >= (27 * 26))
+		return(MDOC_MAX);
 
 	if (NULL == htab[ind])
 		return(MDOC_MAX);