FS#8961 - Anti-Aliased Fonts.
[kugel-rb.git] / firmware / common / atoi.c
blob3393839b27cac6e5198bb9af77c71056e7c27ed8
1 /***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
10 * Copyright (C) 2002 by Gary Czvitkovicz
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
22 #include <stdlib.h>
23 #include "ctype.h"
25 int atoi (const char *str)
27 int value = 0;
28 int sign = 1;
30 while (isspace(*str))
32 str++;
35 if ('-' == *str)
37 sign = -1;
38 str++;
40 else if ('+' == *str)
42 str++;
45 while ('0' == *str)
47 str++;
50 while (isdigit(*str))
52 value = (value * 10) + (*str - '0');
53 str++;
56 return value * sign;