1/*
2 * File: windisplay.c
3 * Purpose: Retrieve server display name
4 *
5 * Copyright (C) Jon TURNEY 2009
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
16 * Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
25 *
26 */
27
28#ifdef HAVE_XWIN_CONFIG_H
29#include <xwin-config.h>
30#endif
31
32#include <opaque.h>             // for display
33#include "windisplay.h"
34#include "winmsg.h"
35
36#define XSERV_t
37#define TRANS_SERVER
38#include <X11/Xtrans/Xtrans.h>
39
40/*
41  Generate a display name string referring to the display of this server,
42  using a transport we know is enabled
43*/
44
45void
46winGetDisplayName(char *szDisplay, unsigned int screen)
47{
48    if (_XSERVTransIsListening("local")) {
49        snprintf(szDisplay, 512, ":%s.%d", display, screen);
50    }
51    else if (_XSERVTransIsListening("inet")) {
52        snprintf(szDisplay, 512, "127.0.0.1:%s.%d", display, screen);
53    }
54    else if (_XSERVTransIsListening("inet6")) {
55        snprintf(szDisplay, 512, "::1:%s.%d", display, screen);
56    }
57    else {
58        // this can't happen!
59        ErrorF("winGetDisplay: Don't know what to use for DISPLAY\n");
60        snprintf(szDisplay, 512, "localhost:%s.%d", display, screen);
61    }
62
63    winDebug("winGetDisplay: DISPLAY=%s\n", szDisplay);
64}
65