From: Fletcher T. Penney <fletcher@fletcherpenney.net>
Date: Sun, 13 Aug 2017 05:43:54 +0000 (-0400)
Subject: CHANGED: Safety check to avoid potential crash
X-Git-Tag: 6.2.0^2~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9ce3b295e6b7ece5fa1c17e44f16a11295674963;p=multimarkdown

CHANGED: Safety check to avoid potential crash
---

diff --git a/Sources/libMultiMarkdown/mmd.c b/Sources/libMultiMarkdown/mmd.c
index 70fe0a3..e0e3ee1 100644
--- a/Sources/libMultiMarkdown/mmd.c
+++ b/Sources/libMultiMarkdown/mmd.c
@@ -1945,15 +1945,17 @@ void parse_table_row_into_cells(token * row) {
 
 	token * walker = row->child;
 
-	if (walker->type == PIPE) {
-		walker->type = TABLE_DIVIDER;
-		first = walker->next;
-	} else {
-		first = walker;
-		last = first;
-	}
+	if (walker) {
+		if (walker->type == PIPE) {
+			walker->type = TABLE_DIVIDER;
+			first = walker->next;
+		} else {
+			first = walker;
+			last = first;
+		}
 
-	walker = walker->next;
+		walker = walker->next;
+	}
 
 	while (walker) {
 		switch (walker->type) {