61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Gary Czvitkovicz
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdlib.h>
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#include "ctype.h"
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int atoi (const char *str)
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{
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int value = 0;
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int sign = 1;
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if (!str)
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return 0;
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while (isspace(*str))
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{
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str++;
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}
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if ('-' == *str)
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{
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sign = -1;
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str++;
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}
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else if ('+' == *str)
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{
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str++;
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}
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while ('0' == *str)
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{
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str++;
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}
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while (isdigit(*str))
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{
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value = (value * 10) + (*str - '0');
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str++;
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}
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return value * sign;
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}
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