42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* ft_atou.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: rparodi <marvin@42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2023/11/08 17:22:41 by rparodi #+# #+# */
|
|
/* Updated: 2025/11/03 14:12:21 by rparodi ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include <stddef.h>
|
|
|
|
static int ft_check_space(int c)
|
|
{
|
|
if (c == 32 || (c >= 9 && c <= 13))
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
size_t ft_atou(const char *nptr)
|
|
{
|
|
size_t i;
|
|
size_t number;
|
|
|
|
if (!nptr)
|
|
return (0);
|
|
i = 0;
|
|
while (ft_check_space(nptr[i]))
|
|
i++;
|
|
number = 0;
|
|
while (nptr[i])
|
|
{
|
|
if (nptr[i] >= '0' && nptr[i] <= '9')
|
|
number = (number * 10) + nptr[i] - '0';
|
|
else
|
|
break ;
|
|
i++;
|
|
}
|
|
return (number);
|
|
}
|