text: /* $Xorg: DefErrMsg.c,v 1.4 2001/02/09 02:03:52 xorgcvs Exp $ */
  
  /*
  
  Copyright 1988, 1998  The Open Group
  
  Permission to use, copy, modify, distribute, and sell this software and its
  documentation for any purpose is hereby granted without fee, provided that
  the above copyright notice appear in all copies and that both that
  copyright notice and this permission notice appear in supporting
  documentation.
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  Except as contained in this notice, the name of The Open Group shall not be
  used in advertising or otherwise to promote the sale, use or other dealings
  in this Software without prior written authorization from The Open Group.
  
  */
  /* $XFree86: xc/lib/Xmu/DefErrMsg.c,v 1.7 2001/01/17 19:42:54 dawes Exp $ */
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  #include <stdio.h>
  #define NEED_EVENTS
  #include <X11/Xlibint.h>
  #include <X11/Xproto.h>
  #include <X11/Xmu/Error.h>
  #include <X11/Xmu/SysUtil.h>
  
  /*
   * XmuPrintDefaultErrorMessage - print a nice error that looks like the usual 
   * message.  Returns 1 if the caller should consider exitting else 0.
   */
  int
  XmuPrintDefaultErrorMessage(Display *dpy, XErrorEvent *event, FILE *fp)
  {
      char buffer[BUFSIZ];
      char mesg[BUFSIZ];
      char number[32];
      char *mtype = "XlibMessage";
      register _XExtension *ext = (_XExtension *)NULL;
      _XExtension *bext = (_XExtension *)NULL;
      XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
      XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
      (void) fprintf(fp, "%s:  %s\n  ", mesg, buffer);
      XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", 
  	mesg, BUFSIZ);
      (void) fprintf(fp, mesg, event->request_code);
      if (event->request_code < 128) {
  	XmuSnprintf(number, sizeof(number), "%d", event->request_code);
  	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
      } else {
  	/* XXX this is non-portable */
  	for (ext = dpy->ext_procs;
  	     ext && (ext->codes.major_opcode != event->request_code);
  	     ext = ext->next)
  	  ;
  	if (ext)
  	  XmuSnprintf(buffer, sizeof(buffer), "%s", ext->name);
  	else
  	    buffer[0] = '\0';
      }
      (void) fprintf(fp, " (%s)", buffer);
      fputs("\n  ", fp);
      if (event->request_code >= 128) {
  	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
  			      mesg, BUFSIZ);
  	(void) fprintf(fp, mesg, event->minor_code);
  	if (ext) {
  	    XmuSnprintf(mesg, sizeof(mesg),
  			"%s.%d", ext->name, event->minor_code);
  	    XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
  	    (void) fprintf(fp, " (%s)", buffer);
  	}
  	fputs("\n  ", fp);
      }
      if (event->error_code >= 128) {
  	/* kludge, try to find the extension that caused it */
  	buffer[0] = '\0';
  	for (ext = dpy->ext_procs; ext; ext = ext->next) {
  	    if (ext->error_string) 
  		(*ext->error_string)(dpy, event->error_code, &ext->codes,
  				     buffer, BUFSIZ);
  	    if (buffer[0]) {
  		bext = ext;
  		break;
  	    }
  	    if (ext->codes.first_error &&
  		ext->codes.first_error < event->error_code &&
  		(!bext || ext->codes.first_error > bext->codes.first_error))
  		bext = ext;
  	}    
  	if (bext)
  	    XmuSnprintf(buffer, sizeof(buffer), "%s.%d", bext->name,
  			event->error_code - bext->codes.first_error);
  	else
  	    strcpy(buffer, "Value");
  	XGetErrorDatabaseText(dpy, mtype, buffer, "", mesg, BUFSIZ);
  	if (mesg[0]) {
  	    fputs("  ", fp);
  	    (void) fprintf(fp, mesg, event->resourceid);
  	    fputs("\n", fp);
  	}
  	/* let extensions try to print the values */
  	for (ext = dpy->ext_procs; ext; ext = ext->next) {
  	    if (ext->error_values)
  		(*ext->error_values)(dpy, event, fp);
  	}
      } else if ((event->error_code == BadWindow) ||
  	       (event->error_code == BadPixmap) ||
  	       (event->error_code == BadCursor) ||
  	       (event->error_code == BadFont) ||
  	       (event->error_code == BadDrawable) ||
  	       (event->error_code == BadColor) ||
  	       (event->error_code == BadGC) ||
  	       (event->error_code == BadIDChoice) ||
  	       (event->error_code == BadValue) ||
  	       (event->error_code == BadAtom)) {
  	if (event->error_code == BadValue)
  	    XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
  				  mesg, BUFSIZ);
  	else if (event->error_code == BadAtom)
  	    XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
  				  mesg, BUFSIZ);
  	else
  	    XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
  				  mesg, BUFSIZ);
  	(void) fprintf(fp, mesg, event->resourceid);
  	fputs("\n  ", fp);
      }
      XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d", 
  	mesg, BUFSIZ);
      (void) fprintf(fp, mesg, event->serial);
      fputs("\n  ", fp);
      XGetErrorDatabaseText(dpy, mtype, "CurrentSerial", "Current Serial #%d",
  	mesg, BUFSIZ);
      (void) fprintf(fp, mesg, NextRequest(dpy)-1);
      fputs("\n", fp);
      if (event->error_code == BadImplementation) return 0;
      return 1;
  }
  
  
  /*
   * XmuSimpleErrorHandler - ignore errors for XQueryTree, XGetWindowAttributes,
   * and XGetGeometry; print a message for everything else.  In all case, do
   * not exit.
   */
  int
  XmuSimpleErrorHandler(Display *dpy, XErrorEvent *errorp)
  {
      switch (errorp->request_code) {
        case X_QueryTree:
        case X_GetWindowAttributes:
          if (errorp->error_code == BadWindow) return 0;
  	break;
        case X_GetGeometry:
  	if (errorp->error_code == BadDrawable) return 0;
  	break;
      }
      /* got a "real" X error */
      return XmuPrintDefaultErrorMessage (dpy, errorp, stderr);
  }	
  