43 lines
1.3 KiB
C
43 lines
1.3 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: vvobis <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/04/10 10:49:04 by vvobis #+# #+# */
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/* Updated: 2024/08/17 21:39:08 by victor ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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int is_space(char const c)
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{
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if ((c >= 9 && c <= 13) || c == ' ')
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return (1);
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return (0);
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}
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int ft_atoi(char const *s)
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{
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int nb;
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char const *tmp;
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nb = 0;
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while (is_space(*s))
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s++;
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tmp = s;
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if (*tmp == '+' || *tmp == '-')
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tmp++;
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while (*tmp >= '0' && *tmp <= '9')
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{
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nb *= 10;
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nb += (*tmp - '0');
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tmp++;
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}
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if (*s == '-')
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nb = -nb;
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return (nb);
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}
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