--- mcore-src/trunk/mcore-tools/src/xinfo.c	2013/09/27 08:40:17	2100
+++ mcore-src/trunk/mcore-tools/src/xinfo.c	2013/09/27 10:34:07	2101
@@ -1,4 +1,4 @@
-// code grabbed from:
+// original code grabbed from:
 // http://surfingtroves.blogspot.de/2011/01/how-to-get-screen-resolution-in-linux-c.html
 
 // -----------------------------------------------------------
@@ -12,11 +12,15 @@
 {
 
  Display* pdsp = XOpenDisplay(NULL);
+ if (! pdsp) {
+   printf("No display found!\n");
+   return 1;
+ }
  Window wid = DefaultRootWindow(pdsp);
 
  Screen* pwnd = DefaultScreenOfDisplay(pdsp);
  int sid = DefaultScreen(pdsp);
- 
+
  XWindowAttributes xwAttr;
  XGetWindowAttributes(pdsp,wid,&xwAttr);
 
@@ -26,16 +30,13 @@
    xwAttr.x, xwAttr.y, xwAttr.width, xwAttr.height);
 */
 
- //printf("%dx%d\n", xwAttr.width, xwAttr.height);
- printf("xorg_witdh=%d\n", xwAttr.width);
+ printf("xorg_width=%d\n", xwAttr.width);
  printf("xorg_height=%d\n", xwAttr.height);
 
  XCloseDisplay( pdsp );
- 
- return 1;
-}
 
+ return 0;
+}
 
 /* gcc -o $@ $< -lX11 */
 /* set ts=4 sts=4 tw=100 sw=4 */
-