Added a safety-check on a memory allocation. (Timers were using

dynamic memory allocation but NOT checking the result!)


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@223 7f0cb862-5218-0410-a997-914c9d46530a

freeglut/freeglut/src/freeglut_callbacks.c

@@ -110,6 +110,9 @@ void FGAPIENTRY glutTimerFunc( unsigned int timeOut, void (* callback)( int ), i
      * Create a new freeglut timer hook structure
      */
     timer = (SFG_Timer *)calloc( sizeof(SFG_Timer), 1 );
+    if (!timer)
+	fgError ("Fatal error: "
+	    "Memory allocation failure in glutTimerFunc()\n");
 
     /*
      * Remember the callback address and timer hook's ID