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tomoron
2024-12-02 12:32:14 +01:00
commit 60acac0231
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2022/2/libft/ft_printf/ft_protected_atoi.c Executable file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/07/17 13:41:15 by tomoron #+# #+# */
/* Updated: 2023/11/15 14:31:19 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
int ft_protected_atoi(const char *str)
{
long long res;
int inv;
res = 0;
inv = 1;
while (*str == ' ' || (*str >= '\t' && *str <= '\r'))
str++;
if (*str == '+' || *str == '-')
{
if (*str == '-')
inv *= -1;
str++;
}
while (*str >= '0' && *str <= '9')
{
res *= 10;
res += *str - '0';
str++;
}
if (res > 2147483647)
return (-2);
return ((int)res * inv);
}