libft/src/ft_itoa_base.c


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#include <libft.h>
#include <stdlib.h>

char
	*ft_itoa_base(long long n, char *base)
{
	char			*s;
	long long		nb;
	uint8_t			i;

	i = ft_intlen_base(n, base) - 1;
	if (!(s = (char*)malloc((i + 2) * sizeof(char))))
		return (NULL);
	if (!n)
		s[i] = '0';
	if (n < 0)
	{
		s[0] = '-';
		nb = -n;
	}
	s[i + 1] = '\0';
	while (n > 0)
	{
		nb = n;
		if (nb >= (long long)ft_strlen(base))
			nb = n % ft_strlen(base);
		s[i] = base[nb];
		n /= ft_strlen(base);
		i--;
	}
	return (s);
}