68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/*
|
|
* 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;
|
|
}
|