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/*
* Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>
* Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com>
*
* 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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdlib.h>
#include <ctype.h>
/*
* Despite being exactly the same as strtoul() except the long long instead of
* long it ends up being much bigger so provide a separate implementation in a
* separate object so that it won't be linked in if not used.
*/
unsigned long long strtoull ( const char *p, char **endp, int base ) {
unsigned long long ret = 0;
int negative = 0;
unsigned int charval;
while ( isspace ( *p ) )
p++;
if ( *p == '-' ) {
negative = 1;
p++;
}
base = strtoul_base ( &p, base );
while ( 1 ) {
charval = strtoul_charval ( *p );
if ( charval >= ( unsigned int ) base )
break;
ret = ( ( ret * base ) + charval );
p++;
}
if ( negative )
ret = -ret;
if ( endp )
*endp = ( char * ) p;
return ( ret );
}
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