From 4b0915fc00af7a078f9873de4f5a249adf583eb9 Mon Sep 17 00:00:00 2001
From: special <special@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Sat, 2 Dec 2006 03:53:53 +0000
Subject: I don't know if anything actually uses this, but irc::hex is now
 *much* more efficient

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@5829 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/hashcomp.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'src/hashcomp.cpp')

diff --git a/src/hashcomp.cpp b/src/hashcomp.cpp
index 27c71defa..45a216e69 100644
--- a/src/hashcomp.cpp
+++ b/src/hashcomp.cpp
@@ -291,14 +291,19 @@ std::string irc::hex(const unsigned char *raw, size_t rawsz)
 	if (!rawsz)
 		return "";
 
+	/* EWW! This used to be using sprintf, which is WAY inefficient. -Special */
+	
+	const char *hex = "0123456789abcdef";
+	
 	char buf[rawsz*2+1];
-	size_t i;
 
-	for (i = 0; i < rawsz; i++)
+	size_t i, j;
+	for (i = 0, j = 0; j < rawsz; ++j)
 	{
-		sprintf (&(buf[i*2]), "%02x", raw[i]);
+		buf[i++] = hex[raw[j] / 16];
+		buf[i++] = hex[raw[j] % 16];
 	}
-	buf[i*2] = 0;
+	buf[i] = '\0';
 
 	return buf;
 }
-- 
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