1 /*****************************************************************************
2 * strtoll.c: C strtoll() replacement
3 *****************************************************************************
4 * Copyright © 1998-2008 the VideoLAN project
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
19 *****************************************************************************/
28 long long int strtof( const char *nptr
, char **endptr
, int base
)
30 long long i_value
= 0;
31 int sign
= 1, newbase
= base
? base
: 10;
33 nptr
+= strspn( nptr
, "\t " );
40 /* Try to detect base */
53 if( base
&& newbase
!= base
)
55 if( endptr
) *endptr
= (char *)nptr
;
62 while( *nptr
>= '0' && *nptr
<= '9' )
65 i_value
+= ( *nptr
++ - '0' );
67 if( endptr
) *endptr
= (char *)nptr
;
71 while( (*nptr
>= '0' && *nptr
<= '9') ||
72 (*nptr
>= 'a' && *nptr
<= 'f') ||
73 (*nptr
>= 'A' && *nptr
<= 'F') )
76 if(*nptr
>= '0' && *nptr
<= '9') i_valc
= *nptr
- '0';
77 else if(*nptr
>= 'a' && *nptr
<= 'f') i_valc
= *nptr
- 'a' +10;
78 else if(*nptr
>= 'A' && *nptr
<= 'F') i_valc
= *nptr
- 'A' +10;
83 if( endptr
) *endptr
= (char *)nptr
;
87 i_value
= strtol( nptr
, endptr
, newbase
);
91 return i_value
* sign
;