xref: /OK3568_Linux_fs/external/xserver/hw/xwin/windisplay.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * File: windisplay.c
3*4882a593Smuzhiyun  * Purpose: Retrieve server display name
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) Jon TURNEY 2009
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Permission is hereby granted, free of charge, to any person obtaining a
8*4882a593Smuzhiyun  * copy of this software and associated documentation files (the "Software"),
9*4882a593Smuzhiyun  * to deal in the Software without restriction, including without limitation
10*4882a593Smuzhiyun  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11*4882a593Smuzhiyun  * and/or sell copies of the Software, and to permit persons to whom the
12*4882a593Smuzhiyun  * Software is furnished to do so, subject to the following conditions:
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  * The above copyright notice and this permission notice (including the next
15*4882a593Smuzhiyun  * paragraph) shall be included in all copies or substantial portions of the
16*4882a593Smuzhiyun  * Software.
17*4882a593Smuzhiyun  *
18*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19*4882a593Smuzhiyun  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20*4882a593Smuzhiyun  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21*4882a593Smuzhiyun  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22*4882a593Smuzhiyun  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23*4882a593Smuzhiyun  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24*4882a593Smuzhiyun  * DEALINGS IN THE SOFTWARE.
25*4882a593Smuzhiyun  *
26*4882a593Smuzhiyun  */
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #ifdef HAVE_XWIN_CONFIG_H
29*4882a593Smuzhiyun #include <xwin-config.h>
30*4882a593Smuzhiyun #endif
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun #include <opaque.h>             // for display
33*4882a593Smuzhiyun #include "windisplay.h"
34*4882a593Smuzhiyun #include "winmsg.h"
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #define XSERV_t
37*4882a593Smuzhiyun #define TRANS_SERVER
38*4882a593Smuzhiyun #include <X11/Xtrans/Xtrans.h>
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun /*
41*4882a593Smuzhiyun   Generate a display name string referring to the display of this server,
42*4882a593Smuzhiyun   using a transport we know is enabled
43*4882a593Smuzhiyun */
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun void
winGetDisplayName(char * szDisplay,unsigned int screen)46*4882a593Smuzhiyun winGetDisplayName(char *szDisplay, unsigned int screen)
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun     if (_XSERVTransIsListening("local")) {
49*4882a593Smuzhiyun         snprintf(szDisplay, 512, ":%s.%d", display, screen);
50*4882a593Smuzhiyun     }
51*4882a593Smuzhiyun     else if (_XSERVTransIsListening("inet")) {
52*4882a593Smuzhiyun         snprintf(szDisplay, 512, "127.0.0.1:%s.%d", display, screen);
53*4882a593Smuzhiyun     }
54*4882a593Smuzhiyun     else if (_XSERVTransIsListening("inet6")) {
55*4882a593Smuzhiyun         snprintf(szDisplay, 512, "::1:%s.%d", display, screen);
56*4882a593Smuzhiyun     }
57*4882a593Smuzhiyun     else {
58*4882a593Smuzhiyun         // this can't happen!
59*4882a593Smuzhiyun         ErrorF("winGetDisplay: Don't know what to use for DISPLAY\n");
60*4882a593Smuzhiyun         snprintf(szDisplay, 512, "localhost:%s.%d", display, screen);
61*4882a593Smuzhiyun     }
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun     winDebug("winGetDisplay: DISPLAY=%s\n", szDisplay);
64*4882a593Smuzhiyun }
65