38 lines
1.2 KiB
C
38 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: adjoly <adjoly@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/10/31 09:00:27 by adjoly #+# #+# */
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/* Updated: 2023/11/05 15:27:36 by adjoly ### ########.fr */
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/* */
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/* ************************************************************************** */
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int ft_atoi(const char *nptr)
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{
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int i;
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int sign;
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int nbr;
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i = 0;
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sign = 1;
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nbr = 0;
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while ((nptr[i] >= 7 && nptr[i] <= 13) || nptr[i] == 32)
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i++;
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if (nptr[i] == '-')
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{
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sign *= -1;
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i++;
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}
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else if (nptr[i] == '+')
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i++;
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while (nptr[i] >= '0' && nptr[i] <= '9')
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{
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nbr = nbr * 10 + (nptr[i] - '0');
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i++;
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}
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return (nbr * sign);
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}
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