--- /dev/null
+// $Id: util-isnumberunsigned.c 2255 2006-01-22 11:23:47Z ensc $ --*- c -*--
+
+// Copyright (C) 2005 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 "util.h"
+#include "util-isnumber.hc"
+#include <limits.h>
+
+static inline bool
+checkConstraints(unsigned long val, unsigned int fac)
+{
+ if ((long)(val) < 0) return false;
+ if (ULONG_MAX/fac <= val) return false;
+ return true;
+}
+
+ENSC_DECL_UTIL_ISNUMBER(isNumberUnsigned, unsigned long, strtoul)