From: Fletcher T. Penney <fletcher@fletcherpenney.net>
Date: Sun, 5 Nov 2017 21:35:49 +0000 (-0500)
Subject: FIXED: Fix potential bug
X-Git-Tag: 6.2.3^2~7
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ac5ffa7027800ca35f1ec40be1a6919bff84fc7e;p=multimarkdown

FIXED: Fix potential bug
---

diff --git a/Sources/libMultiMarkdown/mmd.c b/Sources/libMultiMarkdown/mmd.c
index b27c7a6..9d996ef 100644
--- a/Sources/libMultiMarkdown/mmd.c
+++ b/Sources/libMultiMarkdown/mmd.c
@@ -2572,7 +2572,10 @@ void mmd_engine_update_metavalue_for_key(mmd_engine * e, const char * key, const
 
 		d_string_erase(e->dstr, start, len);
 		d_string_insert(e->dstr, start, "\n");
-		d_string_insert(e->dstr, start, value);
+
+		if (value) {
+			d_string_insert(e->dstr, start, value);
+		}
 	} else if (meta_end != 0) {
 		// We're appending metadata at the end
 		d_string_insert(e->dstr, meta_end, temp->str);