DefErrMsg.c File Reference

#include <stdio.h>
#include <X11/Xlibint.h>
#include <X11/Xproto.h>
#include <X11/Xmu/Error.h>
#include <X11/Xmu/SysUtil.h>

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Defines
#define	NEED_EVENTS
Functions
int	XmuPrintDefaultErrorMessage (Display *dpy, XErrorEvent *event, FILE *fp)
int	XmuSimpleErrorHandler (Display *dpy, XErrorEvent *errorp)

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Define Documentation

#define NEED_EVENTS

Definition at line 31 of file DefErrMsg.c.

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Function Documentation

int XmuPrintDefaultErrorMessage	(	Display *	dpy,
		XErrorEvent *	event,
		FILE *	fp
	)

Definition at line 42 of file DefErrMsg.c.

References buffer, NULL, number, void(), and XmuSnprintf().

Referenced by xerror(), and XmuSimpleErrorHandler().

{
    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;
}

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int XmuSimpleErrorHandler	(	Display *	dpy,
		XErrorEvent *	errorp
	)

Definition at line 157 of file DefErrMsg.c.

References XmuPrintDefaultErrorMessage().

{
    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);
}       

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