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
45 void
winGetDisplayName(char * szDisplay,unsigned int screen)46 winGetDisplayName(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