Merge pull request #22149 from seanm:sprintf

Replaced sprintf with safer snprintf

* Straightforward replacement of sprintf with safer snprintf

* Trickier replacement of sprintf with safer snprintf

Some functions were changed to take another parameter: the size of the buffer, so that they can pass that size on to snprintf.

modules/core/src/system.cpp

@@ -1385,7 +1385,7 @@ CV_IMPL const char* cvErrorStr( int status )
     case CV_OpenGlApiCallError :     return "OpenGL API call";
     };
 
-    sprintf(buf, "Unknown %s code %d", status >= 0 ? "status":"error", status);
+    snprintf(buf, sizeof(buf), "Unknown %s code %d", status >= 0 ? "status":"error", status);
     return buf;
 }