From f38ad33ddfc176eb2fefbb2523a4fdd80456b158 Mon Sep 17 00:00:00 2001
From: Andy Green <andy.green@linaro.org>
Date: Wed, 20 Jan 2016 07:55:41 +0800
Subject: [PATCH] tolower remove

https://github.com/warmcat/libwebsockets/issues/403

Signed-off-by: Andy Green <andy.green@linaro.org>
---
 lib/parsers.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/parsers.c b/lib/parsers.c
index 67a809ca..d1e84ac2 100644
--- a/lib/parsers.c
+++ b/lib/parsers.c
@@ -29,7 +29,8 @@ unsigned char lextable[] = {
 
 int lextable_decode(int pos, char c)
 {
-	c = tolower(c);
+	if (c >= 'A' && c <= 'Z')
+		c += 'a' - 'A';
 
 	while (1) {
 		if (lextable[pos] & (1 << 7)) { /* 1-byte, fail on mismatch */