#include <X11/X.h>
#include <X11/Xlib.h>
#include <assert.h>
#include <unistd.h>
#include <stdlib.h>

//
// gcc -g -Wall -o quick_window quick_window.c -lX11
//
// test case for a window which only exists briefly
// causing a X server segfault
//

int main()
{
  // Open the display
  Display *dpy = XOpenDisplay(NULL);
  assert(dpy);

  // Get some colors
  int blackColor = BlackPixel(dpy, DefaultScreen(dpy));

  while (1)
   {
     int t;

     // Create the window
     Window w = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, 200, 100, 0, blackColor, blackColor);

     // Map the window
     XMapWindow(dpy, w);
     XFlush(dpy);

     t = rand() % 500000;
     usleep(t);

     XDestroyWindow(dpy, w);
     XFlush(dpy);

     t = rand() % 500000;
     usleep(t);
   }

  return 0;
}