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ft_itoa_base.c
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ft_itoa_base.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa_base.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: vscabell <vscabell@student.42sp.org.br> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/06 20:03:08 by vscabell #+# #+# */
/* Updated: 2020/06/10 03:37:04 by vscabell ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int ft_nbrlen(int nbr, int size_base)
{
int len;
long n;
n = nbr;
len = 1;
if (n < 0)
{
n = n * -1;
len++;
}
while (n / size_base > 0)
{
n = n / size_base;
len++;
}
return (len);
}
char *ft_itoa_base(int n, char *base, int size_base)
{
long nbr;
char *itoa;
int len;
int i;
len = ft_nbrlen(n, size_base);
nbr = n;
if (!(itoa = malloc((len + 1) * sizeof(char))))
return (NULL);
itoa[len] = '\0';
i = 0;
if (nbr < 0)
{
itoa[i] = '-';
nbr = nbr * -1;
i++;
}
while (nbr / size_base > 0 && len > i)
{
itoa[len - 1] = base[nbr % size_base];
nbr = nbr / size_base;
len--;
}
itoa[i] = base[nbr % size_base];
return (itoa);
}