From 654d0c29ad51b3434c0b6ba754ede2687321833b Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Thu, 29 Aug 2019 14:37:35 +0300
Subject: [PATCH] ts: fix callback function signature

detected by UBSAN
---
 modules/ts/src/ts.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/ts/src/ts.cpp b/modules/ts/src/ts.cpp
index 13bf51ec59..2e35bcb720 100644
--- a/modules/ts/src/ts.cpp
+++ b/modules/ts/src/ts.cpp
@@ -512,8 +512,9 @@ string TS::str_from_code( const TS::FailureCode code )
     return "Generic/Unknown";
 }
 
-static int tsErrorCallback( int status, const char* func_name, const char* err_msg, const char* file_name, int line, TS* ts )
+static int tsErrorCallback( int status, const char* func_name, const char* err_msg, const char* file_name, int line, void* data )
 {
+    TS* ts = (TS*)data;
     const char* delim = std::string(err_msg).find('\n') == std::string::npos ? "" : "\n";
     ts->printf(TS::LOG, "OpenCV Error:\n\t%s (%s%s) in %s, file %s, line %d\n", cvErrorStr(status), delim, err_msg, func_name[0] != 0 ? func_name : "unknown function", file_name, line);
     return 0;