+
+/* This error handler is used only while the X connection is being set up;
+ after we've got a connection, we don't use this handler again. The only
+ reason for having this is so that we can present a more idiot-proof error
+ message than "cannot open display."
+ */
+static void
+startup_ehandler (String name, String type, String class,
+ String defalt, /* one can't even spel properly
+ in this joke of a language */
+ String *av, Cardinal *ac)
+{
+ char fmt[512];
+ String p[10];
+ saver_info *si = global_si_kludge; /* I hate C so much... */
+ XrmDatabase *db = XtAppGetErrorDatabase(si->app);
+ *fmt = 0;
+ XtAppGetErrorDatabaseText(si->app, name, type, class, defalt,
+ fmt, sizeof(fmt)-1, *db);
+
+ fprintf (stderr, "%s: ", blurb());
+
+ memset (p, 0, sizeof(p));
+ if (*ac > countof (p)) *ac = countof (p);
+ memcpy ((char *) p, (char *) av, (*ac) * sizeof(*av));
+ fprintf (stderr, fmt, /* Did I mention that I hate C? */
+ p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9]);
+ fprintf (stderr, "\n");
+
+ describe_uids (si, stderr);
+
+ if (si->orig_uid && !strncmp (si->orig_uid, "root/", 5))
+ {
+ fprintf (stderr, "\n"
+ "%s: This is probably because you're logging in as root. You\n"
+" shouldn't log in as root: you should log in as a normal user,\n"
+" and then `su' as needed. If you insist on logging in as\n"
+" root, you will have to turn off X's security features before\n"
+" xscreensaver will work.\n"
+ "\n"
+" Please read the manual and FAQ for more information:\n",
+ blurb());
+ }
+ else
+ {
+ fprintf (stderr, "\n"
+ "%s: Errors at startup are usually authorization problems.\n"
+" But you're not logging in as root (good!) so something\n"
+" else must be wrong. Did you read the manual and the FAQ?\n",
+ blurb());
+ }
+
+ fprintf (stderr, "\n"
+ " http://www.jwz.org/xscreensaver/faq.html\n"
+ " http://www.jwz.org/xscreensaver/man.html\n"
+ "\n");
+
+ fflush (stderr);
+ fflush (stdout);
+ exit (1);
+}
+