// 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;

}