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ft_itoa.c
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ft_itoa.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: elel-yak <elel-yak@student.1337.ma> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/19 21:42:38 by elel-yak #+# #+# */
/* Updated: 2022/10/24 22:09:05 by elel-yak ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int digit_count(int n)
{
int count;
count = 0;
if (n == 0)
count++;
while (n != 0)
{
n /= 10;
count++;
}
return (count);
}
char *ft_itoa(int n)
{
char *result;
long num;
int digit;
num = n;
digit = digit_count(n);
if (n < 0)
{
num *= -1;
digit++;
}
result = malloc(digit + 1);
if (!result)
return (0);
result[digit] = '\0';
while (digit--)
{
result[digit] = num % 10 + '0';
num /= 10;
}
if (n < 0)
result[0] = '-';
return (result);
}
// int main()
// {
// printf("%s\n", ft_itoa(0000000001));
// }