39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_atoll.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lfirmin <lfirmin@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/11/03 17:25:06 by lfirmin #+# #+# */
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/* Updated: 2024/11/03 17:25:33 by lfirmin ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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long long ft_atoll(const char *str)
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{
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long long result;
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int sign;
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result = 0;
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sign = 1;
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while (*str == ' ' || (*str >= 9 && *str <= 13))
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str++;
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if (*str == '-' || *str == '+')
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{
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if (*str == '-')
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sign = -1;
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str++;
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}
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while (*str >= '0' && *str <= '9')
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{
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if (result > INT_MAX || result < INT_MIN)
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return (2147483648);
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result = result * 10 + (*str - '0');
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str++;
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}
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return (result * sign);
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}
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