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This commit is contained in:
Hugo LAMY
2020-02-10 10:25:04 +01:00
parent e9c7619e97
commit 52eaaddb0d
76 changed files with 10 additions and 12 deletions
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39
srcs/ft_atoi.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/25 13:54:29 by hulamy #+# #+# */
/* Updated: 2019/11/25 13:54:35 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_atoi(const char *str)
{
long long nbr;
int i;
int n;
i = 0;
n = 1;
nbr = 0;
while ((str[i] == 32) || (str[i] > 8 && str[i] < 14))
i++;
if (str[i] == '-')
n = -1;
if (str[i] == '+' || str[i] == '-')
i++;
while (str[i] >= '0' && str[i] <= '9')
{
if ((nbr >= 922337203685477580
&& ((str[i] > 8 && n < 0) || (str[i] > 7 && n > 0))))
return ((n > 0) ? -1 : 0);
else
nbr = nbr * 10 + (str[i++] - '0');
}
return (nbr * n);
}