1 files changed, 100 insertions, 0 deletions
diff --git a/utils.c b/utils.c
index bf30662..0784e12 100644
--- a/utils.c
+++ b/utils.c
@@ -103,3 +103,103 @@ t_bool	ft_isdigit(char c)
 {
 	return (c >= '0' && c <= '9');
 }
+
+int	nbrlen_radix(long int nbr, int radix)
+{
+	int				counter;
+	long unsigned int	u_nbr;
+
+	if (nbr == 0)
+		return (1);
+	counter = 0;
+	u_nbr = nbr;
+	if (nbr < 0)
+	{
+		counter++;
+		u_nbr = -nbr;
+	}
+	while (u_nbr > 0)
+	{
+		u_nbr /= radix;
+		counter++;
+	}
+	return (counter);
+}
+
+char		*ft_itoa_base(long int n, char *base)
+{
+	char			*str;
+	int				len;
+	int				is_negative;
+	int				radix;
+	long unsigned int	u_nbr;
+
+
+	radix = ft_strlen(base);
+	len = nbrlen_radix(n, radix);
+	if ((str = (char*)malloc(sizeof(char) * (len + 1))) == NULL)
+		return (NULL);
+	str[len] = '\0';
+	is_negative = 0;
+	u_nbr = n;
+	if (n < 0)
+	{
+		is_negative = 1;
+		str[0] = '-';
+		u_nbr = -n;
+	}
+	len--;
+	while (len >= (is_negative ? 1 : 0))
+	{
+		str[len] = base[u_nbr % radix];
+		u_nbr /= radix;
+		len--;
+	}
+	return (str);
+}
+
+char	*ft_strnew(int size)
+{
+	char	*str;
+
+	if ((str = (char*)malloc(sizeof(char) * (size + 1))) == NULL)
+		return (NULL);
+	str[size] = '\0';
+	while (size-- > 0)
+		str[size] = '\0';
+	return (str);
+}
+
+char	*ft_strdup(char *s)
+{
+	char	*clone;
+	size_t	i;
+	size_t	len;
+
+	len = ft_strlen(s);
+	if ((clone = (char*)malloc(sizeof(char) * (len + 1))) == NULL)
+		return (NULL);
+	i = 0;
+	while (i < len)
+	{
+		clone[i] = s[i];
+		i++;
+	}
+	clone[i] = '\0';
+	return (clone);
+}
+
+char	*ft_strcpy(char *dest, const char *src)
+{
+	int i;
+
+	i = 0;
+	while (src[i])
+	{
+		dest[i] = src[i];
+		i++;
+	}
+	dest[i] = '\0';
+	return (dest);
+}
+