util-vserver-0.30.208

[util-vserver.git] / lib / xidopt2xid.c

diff --git a/lib/xidopt2xid.c b/lib/xidopt2xid.c
new file mode 100644 (file)
index 0000000..5724ba9
--- /dev/null
+++ b/lib/xidopt2xid.c
@@ -0,0 +1,56 @@
+// $Id: xidopt2xid.c,v 1.2 2004/08/19 13:58:40 ensc Exp $    --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//  
+// 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 <string.h>
+#include <stdlib.h>
+
+static xid_t
+getVserverXid(char const *id, bool honor_static, char const **err)
+{
+  *err = "vc_getVserverCtx";
+  return vc_getVserverCtx(id, vcCFG_AUTO, honor_static, 0);
+}
+
+xid_t
+vc_xidopt2xid(char const *str, bool honor_static, char const **err_info)
+{
+  char const *         err;
+  xid_t                        res = VC_NOCTX;
+
+  err = "vc_get_task_xid()";
+  if (strcmp(str,"self")==0) res = vc_get_task_xid(0);
+  else if (str[0]==':')      res = getVserverXid(str+1, honor_static, &err);
+  else {
+    char *     endptr;
+    xid_t      xid = strtol(str, &endptr, 10);
+
+    if (endptr!=str && (*endptr=='\0' || *endptr=='\n'))
+      res = xid;
+    else
+      res = getVserverXid(str, honor_static, &err);
+  }
+
+  if (res==VC_NOCTX && err_info) *err_info = err;
+
+  return res;
+}