diff -r 000000000000 -r 6f7a81934006 lib/config/read_uns.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/config/read_uns.cc	Wed Jan 16 22:39:43 2008 +0100
@@ -0,0 +1,45 @@
+// Copyright (C) 1999,2000 Bruce Guenter <bruceg@em.ca>
+//
+// 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; either version 2 of the License, or
+// (at your option) any later version.
+//
+// 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
+
+#include <config.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "configrc.h"
+#include "configio.h"
+#include "misc/strtou.h"
+
+unsigned configuration::read_uns(const mystring& file,
+				 unsigned def,
+				 config_cache<unsigned>& cache) const
+{
+  if(!cache.value) {
+    mystring tmp;
+    unsigned result = 0;
+    const configuration* node;
+    for(node = this; node; node = node->parent) {
+      if(config_read(node->directory, file, tmp)) {
+	const char* endptr;
+	result = strtou(tmp.c_str(), &endptr);
+	if(endptr > tmp.c_str())
+	  break;
+      }
+    }
+    if(!node)
+      result = def;
+    cache.value = new unsigned(result);
+  }
+  return *cache.value;
+}