From: Fletcher T. Penney <fletcher@fletcherpenney.net>
Date: Sun, 12 Nov 2017 13:46:55 +0000 (-0500)
Subject: FIXED: Prevent pointer overflow
X-Git-Tag: 6.2.3^2~5
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=58b7a615acd5f687675aa6dd471ae4984c137027;p=multimarkdown

FIXED: Prevent pointer overflow
---

diff --git a/Sources/libMultiMarkdown/transclude.c b/Sources/libMultiMarkdown/transclude.c
index c828e47..3321a7a 100644
--- a/Sources/libMultiMarkdown/transclude.c
+++ b/Sources/libMultiMarkdown/transclude.c
@@ -144,7 +144,7 @@ void add_trailing_sep(DString * path) {
 	#endif
 
 	// Ensure that folder ends in separator
-	if (!is_separator(path->str[path->currentStringLength - 1])) {
+	if ((path->currentStringLength == 0) || (!is_separator(path->str[path->currentStringLength - 1]))) {
 		d_string_append_c(path, sep);
 	}
 }