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-rw-r--r--utils/xmu.c197
1 files changed, 35 insertions, 162 deletions
diff --git a/utils/xmu.c b/utils/xmu.c
index 2f273d4..051ac95 100644
--- a/utils/xmu.c
+++ b/utils/xmu.c
@@ -1,173 +1,46 @@
-/* This file contains compatibility routines for systems without Xmu.
- * You would be better served by installing Xmu on your machine or
- * yelling at your vendor to ship it.
+/* xscreensaver, Copyright © 1991-2021 Jamie Zawinski <jwz@jwz.org>
+ *
+ * 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. No representations are made about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-#ifndef HAVE_XMU
-/*
- * Copyright 1989 Massachusetts Institute of Technology
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of M.I.T. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission. M.I.T. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
+#include <stdio.h>
+#include <X11/Xlib.h>
#include "xmu.h"
-#ifndef NEED_EVENTS
-# define NEED_EVENTS /* to make Xproto.h define xEvent */
-#endif
-#ifndef VMS
-# include <X11/Xproto.h> /* for xEvent (used by Xlibint.h) */
-# include <X11/Xlibint.h> /* for _XExtension */
-#else /* VMS */
-# include <X11/Xlib.h>
-#endif /* VMS */
-#include <X11/Intrinsic.h> /* for XtSpecificationRelease */
+extern const char *progname;
-/*
- * 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)
+int
+XmuPrintDefaultErrorMessage (Display *dpy, XErrorEvent *event, FILE *fp)
{
- char buffer[BUFSIZ];
- char mesg[BUFSIZ];
- char number[32];
- char *mtype = "XlibMessage";
- _XExtension *ext = (_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) {
- sprintf(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)
- strcpy(buffer, ext->name);
- else
- buffer[0] = '\0';
- }
- (void) fprintf(fp, " (%s)", buffer);
- fputs("\n ", fp);
-#if (XtSpecificationRelease >= 5)
- if (event->request_code >= 128) {
- XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, event->minor_code);
- if (ext) {
- sprintf(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) {
- /* let extensions try to print the values */
- /* XXX this is non-portable code */
- for (ext = dpy->ext_procs; ext; ext = ext->next) {
- if (ext->error_values)
- (*ext->error_values)(dpy, event, fp);
- }
- /* the rest is a fallback, providing a simple default */
- /* 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])
- break;
- }
- if (buffer[0])
- sprintf(buffer, "%s.%d", ext->name,
- event->error_code - ext->codes.first_error);
- else
- strcpy(buffer, "Value");
- XGetErrorDatabaseText(dpy, mtype, buffer, "", mesg, BUFSIZ);
- if (*mesg) {
- (void) fprintf(fp, mesg, event->resourceid);
- fputs("\n ", 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);
- }
-#elif (XtSpecificationRelease == 4)
- XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, event->minor_code);
- fputs("\n ", fp);
- if (ext) {
- sprintf(mesg, "%s.%d", ext->name, event->minor_code);
- XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
- (void) fprintf(fp, " (%s)", buffer);
- }
- XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, event->resourceid);
- fputs("\n ", fp);
-#else
-ERROR! Unsupported release of X11
-#endif
- 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;
+ /* The real libXmu version of this does localization and uses private,
+ undocumented fields inside the Display struct to print things about
+ errors from server-extension events. But the following is sufficient.
+ */
+ char xerr[1024], opname[1024], num[20];
+ const char *b = progname;
+
+ /* Convert the error code to its name, e.g. "BadWindow" */
+ XGetErrorText (dpy, event->error_code, xerr, sizeof(xerr)-1);
+
+ /* Convert the request's ID number to its name, e.g., "XGetProperty" */
+ sprintf (num, "%d", event->request_code);
+ XGetErrorDatabaseText (dpy, "XRequest", num, "", opname, sizeof(opname)-1);
+
+ fprintf (fp, "%s: Failed request: %s\n", b, xerr);
+ fprintf (fp, "%s: Major opcode: %d (%s)\n", b, event->request_code,
+ opname);
+ fprintf (fp, "%s: Resource id: 0x%lx\n", b, event->resourceid);
+ fprintf (fp, "%s: Serial number: %ld / %ld\n\n", b,
+ event->serial, NextRequest(dpy)-1);
+ return 1;
}
-
-#else /* HAVE_XMU */
-
-/* Shut up the stupid "gcc -pedantic" warning */
-int _I_dont_care_that_ISO_C_forbids_an_empty_source_file_ = 1;
-
-#endif /* HAVE_XMU */
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