util-vserver-0.30.208

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

diff --git a/lib/parselimit.c b/lib/parselimit.c
new file mode 100644 (file)
index 0000000..dd225fb
--- /dev/null
+++ b/lib/parselimit.c
@@ -0,0 +1,50 @@
+// $Id: parselimit.c,v 1.1 2004/03/05 17:20:31 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>
+
+bool
+vc_parseLimit(char const *buf, vc_limit_t *res)
+{
+  char *       errptr;
+  
+  if (strncmp(buf, "inf", 3)==0) {
+    *res = VC_LIM_INFINITY;
+    return true;
+  }
+  
+  *res = strtoll(buf, &errptr, 0);
+
+  if (errptr!=buf) {
+    switch (*errptr) {
+      case 'M' :  *res *= 1024; /* fallthrough */
+      case 'K' :  *res *= 1024; ++errptr; break;
+      case 'm' :  *res *= 1000; /* fallthrough */
+      case 'k' :  *res *= 1000; ++errptr; break;
+      default  :  break;
+    }
+  }
+
+  return errptr!=buf && (*errptr=='\0' || *errptr=='\n');
+}