xss

xbell.c

 1/* xbell -- sound the X11 bell
 2 * Copyright (C) 2008  Neale Pickett <neale@woozle.org>
 3 *
 4 * This program is free software: you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License as published by
 6 * the Free Software Foundation, either version 3 of the License, or (at
 7 * your option) any later version.
 8 *
 9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include <stdio.h>
19#include <stdlib.h>
20
21#include <X11/Xlib.h>
22
23#include "obj.h"
24
25int
26main(int argc, char *argv[])
27{
28  Display *display = NULL;
29  int      percent = 100;
30
31  if (argc == 2) {
32    percent = (int)strtol(argv[1], NULL, 10);
33  }
34  if ((argc > 2) || (0 == percent)) {
35    (void)fprintf(stderr, "Usage: %s [PERCENT]\n", argv[0]);
36    return 64;                  /* EX_USAGE */
37  }
38
39  try {
40    if (! (display = XOpenDisplay(NULL))) raise("cannot open display");
41    if (! (XBell(display, percent))) break;
42  } while (0);
43
44  if (display) {
45    (void)XCloseDisplay(display);
46  }
47
48  except {
49    (void)fprintf(stderr, "Error: %s\n", exception);
50    return 69;                  /* EX_UNAVAILABLE */
51  }
52
53  return 0;
54}