From: Fletcher T. Penney <fletcher@fletcherpenney.net>
Date: Tue, 14 Mar 2017 20:23:35 +0000 (-0400)
Subject: FIXED: Fix signedness bug in Aho-Corasick
X-Git-Tag: 6.0.0-rc1^2~19
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=079c928ffc4fd86999f82363a3612e7a5d4dd6e8;p=multimarkdown

FIXED: Fix signedness bug in Aho-Corasick
---

diff --git a/Sources/libMultiMarkdown/aho-corasick.c b/Sources/libMultiMarkdown/aho-corasick.c
index 60c057e..9633e76 100644
--- a/Sources/libMultiMarkdown/aho-corasick.c
+++ b/Sources/libMultiMarkdown/aho-corasick.c
@@ -195,13 +195,13 @@ size_t trie_node_search(trie * a, size_t s, const char * query) {
 		return s;
 	}
 
-	if (a->node[s].child[(int)query[0]] == 0) {
+	if (a->node[s].child[(unsigned char)query[0]] == 0) {
 		// Failed to match
 		return -1;
 	}
 
 	// Partial match, keep going
-	return trie_node_search(a, a->node[s].child[(int)query[0]], query + 1);
+	return trie_node_search(a, a->node[s].child[(unsigned char)query[0]], query + 1);
 }