File: strtou.c

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twoftpd 1.21-8
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/* strtou.c - Translate decimal string to unsigned long
 * Copyright (C) 2001  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 "twoftpd.h"

unsigned long strtou(const char* str, const char** end)
{
  unsigned long i;

  for (i = 0; *str >= '0' && *str <= '9'; ++str)
    i = i * 10 + *str - '0';
  *end = str;
  return i;
}