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ft_itoa.c
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ft_itoa.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mosborne <mosborne@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/10/04 18:42:06 by mosborne #+# #+# */
/* Updated: 2017/10/06 18:11:10 by mosborne ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_itoa(int n)
{
int sign;
int count;
char *str;
count = 1;
sign = n;
while (sign /= 10)
count++;
sign = n < 0 ? 1 : 0;
count = n < 0 ? count += 1 : count;
if (n == -2147483648)
return (str = ft_strdup("-2147483648"));
str = ft_strnew(count);
if (!str)
return (NULL);
if (sign == 1)
str[0] = '-';
n = n < 0 ? n *= -1 : n;
while (--count >= sign)
{
str[count] = n >= 10 ? (n % 10) + 48 : n + 48;
n /= 10;
}
str[ft_strlen(str)] = '\0';
return (str);
}