#include "main.h"

/**
 * printf_dec - prints decimal
 * @args: argument to print
 * Return: number of characters printed
 */

int printf_dec(va_list args)
{
	/* initvars*/
	int n = va_arg(args, int);
	int num, last = n % 10, digit;
	int  i = 1;
	int exp = 1;

	n = n / 10;
	num = n;

	if (last < 0)
	{
		_putchar('-');
		num = -num;
		n = -n;
		last = -last;
		i++;
	}
	if (num > 0)
	{
		while (num / 10 != 0)
		{
			exp = exp * 10;
			num = num / 10;
		}
		num = n;
		while (exp > 0)
		{
			digit = num / exp;
			_putchar(digit + '0');
			num = num - (digit * exp);
			exp = exp / 10;
			i++;
		}
	}
	_putchar(last + '0');

	return (i);
}

#include "main.h"

/**
 * printf_oct - prints an octal number.
 * @val: arguments.
 * Return: counter.
 */
int printf_oct(va_list val)
{
	int i;
	int *array;
	int counter = 0;
	unsigned int num = va_arg(val, unsigned int);
	unsigned int temp = num;

	while (num / 8 != 0)
	{
		num /= 8;
		counter++;
	}
	counter++;
	array = malloc(counter * sizeof(int));

	for (i = 0; i < counter; i++)
	{
		array[i] = temp % 8;
		temp /= 8;
	}
	for (i = counter - 1; i >= 0; i--)
	{
		_putchar(array[i] + '0');
	}
	free(array);
	return (counter);
}

/**
 * printf_hex_aux - prints an hexgecimal number.
 * @num: arguments.
 * Return: counter.
 */
int printf_hex_aux(unsigned long int num)
{
	long int i;
	long int *array;
	long int counter = 0;
	unsigned long int temp = num;

	while (num / 16 != 0)
	{
		num /= 16;
		counter++;
	}
	counter++;
	array = malloc(counter * sizeof(long int));

	for (i = 0; i < counter; i++)
	{
		array[i] = temp % 16;
		temp /= 16;
	}
	for (i = counter - 1; i >= 0; i--)
	{
		if (array[i] > 9)
			array[i] = array[i] + 39;
		_putchar(array[i] + '0');
	}
	free(array);
	return (counter);
}

/**
 * printf_hex - prints an hexgecimal number.
 * @val: arguments.
 * Return: counter.
 */
int printf_hex(va_list val)
{
	int i;
	int *array;
	int counter = 0;
	unsigned int num = va_arg(val, unsigned int);
	unsigned int temp = num;

	while (num / 16 != 0)
	{
		num /= 16;
		counter++;
	}
	counter++;
	array = malloc(counter * sizeof(int));

	for (i = 0; i < counter; i++)
	{
		array[i] = temp % 16;
		temp /= 16;
	}
	for (i = counter - 1; i >= 0; i--)
	{
		if (array[i] > 9)
			array[i] = array[i] + 39;
		_putchar(array[i] + '0');
	}
	free(array);
	return (counter);
}