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Camille Chauvet
2023-04-13 13:00:39 +00:00
commit a37cbf88f3
20 changed files with 625 additions and 0 deletions
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utils/ft_atoi.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/09/27 16:14:34 by cchauvet #+# #+# */
/* Updated: 2023/04/12 11:12:49 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include "utils.h"
#include <stddef.h>
int ft_atoi(const char *str)
{
int out;
char sign;
size_t i;
sign = 1;
i = 0;
while (str[i] == '-' || str[i]== '+')
{
if (str[i] == '-')
sign = -1;
if (str[i] == '+')
sign = 1;
i++;
}
out = 0;
while (str[i] >= '0' && str[i] <= '9')
{
out = out * 10 + str[i] - 48;
i++;
}
return (out * sign);
}