From dba3bb3ae7957773f9799a14d6f7b47f08b7c03b Mon Sep 17 00:00:00 2001
From: erdgeist <>
Date: Thu, 18 Oct 2007 11:50:54 +0000
Subject: Make fromhex() even faster

---
 scan_urlencoded_query.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'scan_urlencoded_query.c')

diff --git a/scan_urlencoded_query.c b/scan_urlencoded_query.c
index f61d79e..a11b65c 100644
--- a/scan_urlencoded_query.c
+++ b/scan_urlencoded_query.c
@@ -25,10 +25,10 @@ static const unsigned char is_unreserved[256] = {
   0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 };
 
-static unsigned char fromhex(unsigned char c) {
-  if (c>='0' && c<='9') return c-'0';
-  c &= 0xdf; /* Toggle off lower case bit */
-  if (c>='A' && c<='F') return c-'A'+10;
+static unsigned char fromhex(unsigned char x) {
+  x-='0'; if( x<=9) return x;
+  x&=~0x20; x-='A'-'0';
+  if( x<6 ) return x+10;
   return 0xff;
 }
 
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