checkversion.c (1225B)
1 // $Id$ --*- c++ -*-- 2 3 // Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> 4 // 5 // This program is free software; you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation; version 2 of the License. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 18 19 #ifdef HAVE_CONFIG_H 20 # include <config.h> 21 #endif 22 23 #include "vserver.h" 24 #include "vserver-internal.h" 25 #include "getversion-internal.hc" 26 27 int 28 utilvserver_checkCompatVersion() 29 { 30 static int res=0; 31 static int v_errno; 32 33 if (res==0) { 34 res = vc_get_version_internal(VC_CAT_COMPAT); 35 v_errno = errno; 36 #ifdef VC_ENABLE_API_LEGACY 37 if (res==-1 && (errno==ENOSYS || errno==EINVAL)) res=0; 38 #endif 39 } 40 41 errno = v_errno; 42 return res; 43 }