c12 start

1 files changed, 96 insertions, 10 deletions

diff --git a/c07/ex04/ft_convert_base.c b/c07/ex04/ft_convert_base.c
index f50289a..f30c3e5 100644
--- a/c07/ex04/ft_convert_base.c
+++ b/c07/ex04/ft_convert_base.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <charles.cabergs@gmail.com>       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/07/08 16:16:53 by cacharle          #+#    #+#             */
-/*   Updated: 2019/07/09 09:05:47 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/07/10 06:37:09 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -46,20 +46,106 @@ int		ft_pow(int base, int exponent)
 	return (accumulator);
 }
 
-int		ft_atoi_base(char *nbr, char *base)
+
+int	position_in_base(char digit, char *base)
 {
+	int	i;
 
+	i = 0;
+	while (base[i] != digit)
+		i++;
+	return (i);
+}
+
+// CHECK THE STR NOT JUST THE BASE (you idiot)
+int	ft_atoi_base(char *str, char *base)
+{
+	int	radix;
+	int	i;
+	int	j;
+	int	nb;
+
+	if (!check_base(base))
+		return (0);
+	nb = 0;
+	radix = 0;
+	while (base[radix])
+		radix++;
+	i = 0;
+	while (str[i])
+		i++;
+	j = 0;
+	while (--i >= 0)
+	{
+		nb += ft_pow(radix, i) * position_in_base(str[j], base);
+		j++;
+	}
+	return (nb);
+}
+
+int		some_strlen(char *str)
+{
+	int	counter;
+
+	counter = 0;
+	while (str[counter])
+		counter++;
+	return (counter);
+}
+
+char	*to_base(int nbr, char *base)
+{
+	int				radix;
+	int				i;
+	unsigned int	nbu;
+	char			rev_digits[1024];
+	char			*ret;
+	int				j;
+	int	is_negative;
+
+	/*if (!check_base(base))*/
+		/*return (NULL);*/
+	radix = some_strlen(base);
+	nbu = nbr;
+	is_negative = 0;
+	if (nbr < 0)
+	{
+		is_negative = 1;
+		nbu = -nbr;
+	}
+	i = 0;
+	printf("%d %s %d\n", radix, base, nbr);
+	while (nbu > 0)
+	{
+		printf("%u\n", nbu % radix);
+		rev_digits[i] = base[nbu % radix];
+		nbu /= radix;
+		i++;
+	}
+	ret = malloc(sizeof(char) * i + (is_negative ? 1 : 0));
+	j = 0;
+	if (is_negative)
+	{
+		ret[0] = '-';
+		j++;
+	}
+	while (i-- > 0)
+		ret[j++] = rev_digits[i];
+	ret[j] = '\0';
+	for (int i = 0; i < 4; i++)
+		printf("%c ", rev_digits[i]);
+	printf("\n");
+	for (int i = 0; i < 4; i++)
+		printf("%c ", ret[i]);
+	printf("\n");
+	return (ret);
 }
 
 char	*ft_convert_base(char *nbr, char *base_from, char *base_to)
 {
 	int		converted_nb;
-	char	*converted_to
-
-	if (!check_base(base_from) || !check_base(base_to))
-		return (NULL);
-	converted_nb = ft_atoi_base(nbr, base_from);
-	printf("%d\n", convert_nb);
-	/*converted_to = ft_itoa_base(converted_nb, base_to);*/
-	/*return (converted_to);*/
+
+	int nb;
+	return NULL;
+
 }