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ft_itoa.c
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ft_itoa.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hsaadi <hsaadi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/20 11:34:54 by hsaadi #+# #+# */
/* Updated: 2022/10/29 03:04:19 by hsaadi ### ########.fr */
/* */
/* ************************************************************************** */
#include "../includes/libft.h"
static int get_length(int nbr)
{
int len;
len = 0;
if (nbr <= 0)
len++;
while (nbr && ++len)
nbr /= 10;
return (len);
}
static int sign_handle(int num)
{
if (num < 0)
return (-num);
return (num);
}
char *ft_itoa(int n)
{
char *str;
int len;
len = get_length(n);
str = malloc(sizeof(char) * (len + 1));
if (!str)
return (NULL);
str[len] = '\0';
if (n < 0)
str[0] = '-';
else if (n == 0)
str[0] = '0';
while (n)
{
str[--len] = sign_handle(n % 10) + '0';
n /= 10;
}
return (str);
}