From: schwarze@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: If an .Fo macro lacks its mandatory argument, don't die on an
Date: Sun, 30 Aug 2015 14:00:45 -0500 (EST) [thread overview]
Message-ID: <10879852212756678697.enqueue@fantadrom.bsd.lv> (raw)
Log Message:
-----------
If an .Fo macro lacks its mandatory argument, don't die on an assertion.
Bug found by jsg@ with afl.
Modified Files:
--------------
mdocml:
mdoc_html.c
Revision Data
-------------
Index: mdoc_html.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/mdoc_html.c,v
retrieving revision 1.232
retrieving revision 1.233
diff -Lmdoc_html.c -Lmdoc_html.c -u -p -r1.232 -r1.233
--- mdoc_html.c
+++ mdoc_html.c
@@ -1642,11 +1642,10 @@ mdoc_fo_pre(MDOC_ARGS)
return(1);
}
- /* XXX: we drop non-initial arguments as per groff. */
+ if (n->child == NULL)
+ return(0);
- assert(n->child);
assert(n->child->string);
-
PAIR_CLASS_INIT(&tag, "fname");
t = print_otag(h, TAG_B, 1, &tag);
print_text(h, n->child->string);
--
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reply other threads:[~2015-08-30 19:00 UTC|newest]
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