From 0e1425d475f0e719623f48949cf7a9dc5347a2e3 Mon Sep 17 00:00:00 2001
From: cxl <cxl@f0d560ea-af0d-0410-9eb7-867de7ffcac7>
Date: Tue, 7 Sep 2010 03:38:27 +0000
Subject: [PATCH] *Core: HexString with count = 0 fix

git-svn-id: svn://ultimatepp.org/upp/trunk@2660 f0d560ea-af0d-0410-9eb7-867de7ffcac7
---
 uppsrc/Core/Util.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/uppsrc/Core/Util.cpp b/uppsrc/Core/Util.cpp
index ddc2287d6..a72475176 100644
--- a/uppsrc/Core/Util.cpp
+++ b/uppsrc/Core/Util.cpp
@@ -544,6 +544,9 @@ String Decode64(const String& s)
 
 String HexString(const byte *s, int count, int sep, int sepchr)
 {
+	ASSERT(count >= 0);
+	if(count == 0)
+		return String();
 	StringBuffer b(2 * count + (count - 1) / sep);
 	static const char itoc[] = "0123456789abcdef";
 	int i = 0;