34 lines
1.2 KiB
C
34 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: hulamy <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/11/25 13:54:29 by hulamy #+# #+# */
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/* Updated: 2019/11/25 13:54:35 by hulamy ### ########.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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long nbr;
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int i;
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int negatif;
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i = 0;
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negatif = 1;
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nbr = 0;
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while ((str[i] == ' ') || (str[i] > 8 && str[i] < 14))
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i++;
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if (str[i] == '-')
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negatif = -1;
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if (str[i] == '+' || str[i] == '-')
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i++;
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while (str[i] >= '0' && str[i] <= '9')
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nbr = nbr * 10 + (str[i++] - '0');
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return (nbr * negatif);
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}
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