From 7c2a062cdf9c0514cdf32f4f8bd07cf52d183c8b Mon Sep 17 00:00:00 2001
From: Vicent Marti <tanoku@gmail.com>
Date: Wed, 10 Sep 2014 19:46:34 +0200
Subject: Do not use strchr for span searches

Strchr will return a valid pointer for '\0' when searching a static
string, as the NULL byte is part of the string.
---
 src/inlines.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/inlines.c b/src/inlines.c
index 3040f09..cd2d124 100644
--- a/src/inlines.c
+++ b/src/inlines.c
@@ -767,10 +767,13 @@ node_inl *parse_chunk_inlines(chunk *chunk, reference_map *refmap)
 
 static int subject_find_special_char(subject *subj)
 {
+	static const char CHARS[] = "\n\\`&_*[]<!";
+	static const size_t CHARS_SIZE = sizeof(CHARS) - 1;
+
 	int n = subj->pos + 1;
 
 	while (n < subj->input.len) {
-		if (strchr("\n\\`&_*[]<!", subj->input.data[n]))
+		if (memchr(CHARS, subj->input.data[n], CHARS_SIZE))
 			return n;
 		n++;
 	}
-- 
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