From 3afbc4543f99fa5e81d5eae992bdf6146716f007 Mon Sep 17 00:00:00 2001
From: Alec Lofquist <allofquist@yahoo.com>
Date: Sat, 29 Nov 2014 14:42:30 -0600
Subject: [PATCH] Fixed buffer overflow in HttpReq::encodeUrl.

I believe the character in the URL string was being read as a signed char instead of an unsigned char which caused weirdness with Unicode characters.
---
 es-core/src/HttpReq.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/es-core/src/HttpReq.cpp b/es-core/src/HttpReq.cpp
index 5171da636..dfece200b 100644
--- a/es-core/src/HttpReq.cpp
+++ b/es-core/src/HttpReq.cpp
@@ -22,7 +22,7 @@ std::string HttpReq::urlEncode(const std::string &s)
         {
             escaped.append("%");
             char buf[3];
-            sprintf(buf, "%.2X", s[i]);
+            sprintf(buf, "%.2X", (unsigned char)s[i]);
             escaped.append(buf);
         }
     }