adding labs

srcs/ft_itoa_static.c

@@ -55,21 +55,19 @@ char *ft_itoa_static(long int nbr, char *buffer, size_t buff_len)
 	}
 
 	// Determine if the number is negative
-	is_negative = ft_sign_f(nbr);
-	if (is_negative)
-	{
-		nbr = -nbr; // Make nbr positive for processing
-	}
+	is_negative = nbr < 0;
+	nbr = ft_labs(nbr);
 
 	// Write the null terminator at the end
-	buffer[buff_len] = '\0';
+	buffer[buff_len - 1] = '\0';
 
 	// Write the digits in reverse order
-	i = buff_len - 1;
+	i = buff_len - 2;
 	do
 	{
-		buffer[i--] = (nbr % 10) + '0';
+		buffer[i] = (nbr % 10) + '0';
 		nbr /= 10;
+		i--;
 	} while (nbr != 0);
 
 	// Add the negative sign if needed