added the ft_str_is_numeric() function

This commit is contained in:
Anahit Sargsyan 2023-12-03 18:03:56 +04:00
parent a31f44d552
commit a5c0814aa3

View File

@ -1,12 +1,12 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* utils.c :+: :+: :+: */
/* ft_utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: achubuko <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/12/02 21:56:30 by achubuko #+# #+# */
/* Updated: 2023/12/02 23:45:23 by achubuko ### ########.fr */
/* Updated: 2023/12/03 18:03:15 by asargsya ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_utils.h"
@ -25,3 +25,20 @@ size_t ft_strlen(char *s)
l++;
return (l);
}
int ft_str_is_numeric(char *str)
{
int i;
i = 0;
if (str[i] == '\0')
return (0);
while (str[i] != '\0')
{
if (str[i] < '0' || str[i] > '9')
return (0);
i++;
}
if (str[0] == '-')
return (-1);
return (1);
}