src/pulse/client-conf-x11.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-13071
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27 #include <assert.h>
  28
  29 #include <X11/Xlib.h>
  30 #include <X11/Xatom.h>
  31
  32 #include <pulse/xmalloc.h>
  33
  34 #include <pulsecore/x11prop.h>
  35 #include <pulsecore/log.h>
  36 #include <pulsecore/core-util.h>
  37
  38 #include "client-conf-x11.h"
  39
  40 int pa_client_conf_from_x11(pa_client_conf *c, const char *dname) {
  41     Display *d = NULL;
  42     int ret = -1;
  43     char t[1024];
  44
  45     if (!dname && !getenv("DISPLAY"))
  46         goto finish;
  47
  48     if (!(d = XOpenDisplay(dname))) {
  49         pa_log(__FILE__": XOpenDisplay() failed");
  50         goto finish;
  51     }
  52
  53     if (pa_x11_get_prop(d, "PULSE_SERVER", t, sizeof(t))) {
  54         pa_xfree(c->default_server);
  55         c->default_server = pa_xstrdup(t);
  56     }
  57
  58     if (pa_x11_get_prop(d, "PULSE_SINK", t, sizeof(t))) {
  59         pa_xfree(c->default_sink);
  60         c->default_sink = pa_xstrdup(t);
  61     }
  62
  63     if (pa_x11_get_prop(d, "PULSE_SOURCE", t, sizeof(t))) {
  64         pa_xfree(c->default_source);
  65         c->default_source = pa_xstrdup(t);
  66     }
  67
  68     if (pa_x11_get_prop(d, "PULSE_COOKIE", t, sizeof(t))) {
  69         uint8_t cookie[PA_NATIVE_COOKIE_LENGTH];
  70
  71         if (pa_parsehex(t, cookie, sizeof(cookie)) != sizeof(cookie)) {
  72             pa_log(__FILE__": failed to parse cookie data");
  73             goto finish;
  74         }
  75
  76         assert(sizeof(cookie) == sizeof(c->cookie));
  77         memcpy(c->cookie, cookie, sizeof(cookie));
  78
  79         c->cookie_valid = 1;
  80
  81         pa_xfree(c->cookie_file);
  82         c->cookie_file = NULL;
  83     }
  84
  85     ret = 0;
  86
  87 finish:
  88     if (d)
  89         XCloseDisplay(d);
  90
  91     return ret;
  92
  93 }