1/* $Id$ */ 2 3/*** 4 This file is part of avahi. 5 6 avahi is free software; you can redistribute it and/or modify it 7 under the terms of the GNU Lesser General Public License as 8 published by the Free Software Foundation; either version 2.1 of the 9 License, or (at your option) any later version. 10 11 avahi is distributed in the hope that it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General 14 Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with avahi; if not, write to the Free Software 18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 19 USA. 20***/ 21 22#ifdef HAVE_CONFIG_H 23#include <config.h> 24#endif 25 26#ifdef HAVE_DLOPEN 27#include <dlfcn.h> 28#endif 29#include <stdlib.h> 30 31#include "client.h" 32 33int avahi_nss_support(void) { 34 int b = 0; 35 36#ifdef HAVE_DLOPEN 37 static const char * const libs[] = { 38 "libnss_mdns.so.2", 39 "libnss_mdns4.so.2", 40 "libnss_mdns6.so.2", 41 NULL }; 42 43 const char * const *l; 44 45 for (l = libs; *l; l++) { 46 void *dl; 47 48 if ((dl = dlopen(*l, RTLD_LAZY))) { 49 b = 1; 50 dlclose(dl); 51 break; 52 } 53 } 54#endif 55 56 return b; 57} 58