XCreateSimpleWindow and SIGSEGV

[Glynn Leo]

Thanx to Earnie 
I've got my program Compiling 
I found that XCreateSimpleWindow is giving me 
SIGSEGV fault Anyone have the same problem
Have compiled with mmalloc,downloaded the Latest Binaries on NT
and search archives but to no avail
Also have X-Server and DISPLAY set
(Do get the warning message 
    WinMainCRTStartup ; defaulting to 00401000 )

Anyone see any problem with the following ?
thanx
leo

#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include "Xstuff.h"
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>

typedef struct S_window
{
  Display*  pDisplay;
  int       screen;
  Window    window;
  GC        gc;
  int       imageWidth;
  int       imageHeight;
  XImage*   pImage;
  char*     pImageData;
  XImage*   pSinglePixelImage;
  Colormap  colorMap;
} tSwindow;


tSwindow*
ScreateWindow(char*  pWindowName, char*  pDisplayName,
int imageWidth, int imageHeight);

#define  IMAGE_WIDTH 360
#define  IMAGE_HEIGHT 240
 
 
main()
 
{
  tSwindow*  pWindow;
 
  pWindow = ScreateWindow("rgb_test",
                            ":0.0",
                            IMAGE_WIDTH,
                            IMAGE_HEIGHT);
 
}
 
 
tSwindow*
ScreateWindow(char*  pWindowName,
                char*  pDisplayName,
                int imageWidth, int imageHeight
                )
{
  tSwindow*  pReturnValue;
  XGCValues    gcValues;
  char*        pWindowBanner;
 
  pReturnValue = (tSwindow*)malloc(sizeof(tSwindow));
 
 
  /* Try to connect to the X server */
  pReturnValue->pDisplay = XOpenDisplay(":0.0");
  if (pReturnValue->pDisplay == NULL)
  {
      free(pReturnValue);
      return(NULL);
  }
 
  pReturnValue->screen = DefaultScreen(pReturnValue->pDisplay);
 
  /* Now, create the window */
  /* It seems RootWindow() is causing the SIGSEGV */
  pReturnValue->window =
        XCreateSimpleWindow(pReturnValue->pDisplay,
                        RootWindow(pReturnValue->pDisplay,
                                   pReturnValue->screen),
                            300,
                            300,
                        imageWidth, imageHeight,
                        4,
                        BlackPixel(pReturnValue->pDisplay,
                                   pReturnValue->screen),
                        WhitePixel(pReturnValue->pDisplay,
                                   pReturnValue->screen));
}
 
 

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