From f617c0d4a27c2adf95d549c69f31b64483e9536f Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@itseez.com>
Date: Sat, 12 Oct 2013 16:53:02 +0400
Subject: [PATCH] ocl: fix for get string info from OpenCL

---
 modules/ocl/include/opencv2/ocl/private/opencl_utils.hpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/modules/ocl/include/opencv2/ocl/private/opencl_utils.hpp b/modules/ocl/include/opencv2/ocl/private/opencl_utils.hpp
index 3609b17d9..70c45d3dd 100644
--- a/modules/ocl/include/opencv2/ocl/private/opencl_utils.hpp
+++ b/modules/ocl/include/opencv2/ocl/private/opencl_utils.hpp
@@ -97,13 +97,14 @@ inline cl_int getStringInfo(Functor f, ObjectType obj, cl_uint name, std::string
     if (err != CL_SUCCESS)
         return err;
 
-    param.resize(required);
+    param.clear();
     if (required > 0)
     {
-        err = f(obj, name, required, &param.at(0), NULL);
+        std::vector<char> buf(required + 1, char(0));
+        err = f(obj, name, required, &buf[0], NULL);
         if (err != CL_SUCCESS)
             return err;
-        param.resize(required - 1); // last symbol is '\0'
+        param = &buf[0];
     }
 
     return CL_SUCCESS;