30 lines
1.1 KiB
C
30 lines
1.1 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: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/11/05 19:07:51 by dgaillet #+# #+# */
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/* Updated: 2025/11/05 19:17:34 by dgaillet ### ########lyon.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 *nptr)
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{
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int i;
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int res;
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i = 0;
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res = 0;
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if (!nptr[0])
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return (0);
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if (nptr[0] == '-' && ft_isdigit(nptr[1]))
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return (-1 * ft_atoi(nptr + 1));
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while (ft_isdigit(nptr[i++]))
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res = (10 * res) + (nptr[i] - '0');
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return (res);
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}
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