From: Fletcher T. Penney <fletcher@fletcherpenney.net>
Date: Sat, 18 Mar 2017 12:35:25 +0000 (-0400)
Subject: FIXED: Fix crash in reference definitions
X-Git-Tag: 6.0.0-rc2^2~19
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=15d7b4047d2b343ab4d06a6d47550fc1d2bc52ad;p=multimarkdown

FIXED: Fix crash in reference definitions
---

diff --git a/Sources/libMultiMarkdown/writer.c b/Sources/libMultiMarkdown/writer.c
index 2e75fc8..f562fcd 100644
--- a/Sources/libMultiMarkdown/writer.c
+++ b/Sources/libMultiMarkdown/writer.c
@@ -1277,7 +1277,9 @@ void process_definition_block(mmd_engine * e, token * block) {
 					// Adjust the properties
 					free(f->label_text);
 					f->label_text = f->clean_text;
-					if (f->content->child->next->next) {
+					if (f->content->child &&
+						f->content->child->next &&
+						f->content->child->next->next) {
 						f->clean_text = clean_string_from_range(e->dstr->str, f->content->child->next->next->start, block->start + block->len - f->content->child->next->next->start, false);
 					} else {
 						f->clean_text = NULL;