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List:       mandoc-source
Subject:    mdocml: Do not dereference a NULL pointer if a .Bl macro has  no -type,
From:       schwarze () mdocml ! bsd ! lv
Date:       2014-08-19 17:31:55
Message-ID: 201408191731.s7JHVtsB029578 () krisdoz ! my ! domain
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Log Message:
-----------
Do not dereference a NULL pointer if a .Bl macro has 
no -type, -width, -offset or -compact arguments whatsoever;
this got broken in rev. 1.238.

Modified Files:
--------------
    mdocml:
        mdoc_validate.c

Revision Data
-------------
Index: mdoc_validate.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc_validate.c,v
retrieving revision 1.244
retrieving revision 1.245
diff -Lmdoc_validate.c -Lmdoc_validate.c -u -p -r1.244 -r1.245
--- mdoc_validate.c
+++ mdoc_validate.c
@@ -529,7 +529,7 @@ pre_bl(PRE_ARGS)
 	 * ones.  If we find no list type, we default to LIST_item.
 	 */
 
-	wa = n->args->argv;
+	wa = (n->args == NULL) ? NULL : n->args->argv;
 	mdoclt = MDOC_ARG_MAX;
 	for (i = 0; n->args && i < (int)n->args->argc; i++) {
 		argv = n->args->argv + i;
--
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