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ft_itoa.c
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ft_itoa.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lmartine <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/03/05 19:32:45 by lmartine #+# #+# */
/* Updated: 2018/03/10 20:42:21 by lmartine ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_itoa(int n)
{
int length;
int sign;
char *temp;
sign = n;
length = 1;
while (sign /= 10)
length++;
sign = n < 0 ? 1 : 0;
length = n < 0 ? length += 1 : length;
if (n == -2147483648)
return (temp = ft_strdup("-2147483648"));
temp = ft_strnew(length);
if (!temp)
return (NULL);
if (sign)
temp[0] = '-';
n = n < 0 ? n *= -1 : n;
while (--length >= sign)
{
temp[length] = (n >= 10) ? (n % 10) + 48 : n + 48;
n /= 10;
}
temp[ft_strlen(temp)] = '\0';
return (temp);
}