40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_atoi.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: scebula <scebula@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2015/11/26 09:47:14 by scebula #+# #+# */
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/* Updated: 2015/12/04 00:21:47 by scebula ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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int ft_atoi(const char *str)
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{
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int n;
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int sign;
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sign = 1;
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n = 0;
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while (ft_isspace(*str))
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str++;
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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 (*str && ft_isdigit(*str))
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{
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n = n * 10 + (*str - '0');
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str++;
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}
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return (n * sign);
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}
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