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/*
* hfsutils - tools for reading and writing Macintosh HFS volumes
* Copyright (C) 1996-1998 Robert Leslie
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: strtol.c,v 1.5 1998/04/11 08:27:00 rob Exp $
*/
# ifdef HAVE_CONFIG_H
# include "config.h"
# endif
# include <stdlib.h>
# include <ctype.h>
/*
* NAME: strtol()
* DESCRIPTION: convert a string to a long integer
*/
long strtol(const char *nptr, char **endptr, int base)
{
long result = 0;
int negative = 0;
/* this replacement function optimized for use with hfsutils */
if (endptr || base)
abort();
while (isspace(*nptr))
++nptr;
switch (*nptr)
{
case '-':
negative = 1;
case '+':
++nptr;
}
while (1)
{
unsigned digit;
digit = *nptr++ - '0';
if (digit > 9)
break;
result = 10 * result - digit;
}
return negative ? result : -result;
}
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