merge with 0.30.213

[util-vserver.git] / lib / checkconfig.c

diff --git a/lib/checkconfig.c b/lib/checkconfig.c
new file mode 100644 (file)
index 0000000..9e5c798
--- /dev/null
+++ b/lib/checkconfig.c
@@ -0,0 +1,45 @@
+// $Id: checkconfig.c 2464 2007-01-20 13:55:42Z dhozac $    --*- c++ -*--
+
+// Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+// Copyright (C) 2006 Daniel Hokka Zakrisson
+//  
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//  
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//  
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "vserver.h"
+#include "vserver-internal.h"
+
+uint_least32_t
+utilvserver_checkCompatConfig()
+{
+#ifdef VC_ENABLE_API_V21
+  static uint32_t      res=0;
+  static int           v_errno;
+
+  if (res==0) {
+    res     = vc_get_vci();
+    v_errno = errno;
+    if (res==(uint32_t)-1) res=0;
+  }
+
+  errno = v_errno;
+  return res;
+#else
+  return 0;
+#endif
+}