printf_b.c

#include "main.h"

/**
 * printf_b - prints binary numbers (unsigned)
 * @args: the number
 *
 * Return: number of chars printed
 */
int printf_b(va_list args)
{
	int count = 0;
	unsigned int decimalNumber = va_arg(args, unsigned int);
	int i = 1, retval;
	char *string;

	if (decimalNumber < 1)
	{
		_putchar(0 + '0');
		return (1);
	}

	count += countBinary(decimalNumber);
	string = malloc(sizeof(char) * (count + 1));

	if (string == NULL)
		return (-1);
	for (i = 1; i < count + 1; i++)
	{
		string[count - i] = decimalNumber % 2;
		decimalNumber = decimalNumber / 2;
	}
	for (i = 0; i < count; i++)
	{
		retval = _putchar(string[i] + '0');

		if (retval == -1)
		{
			free(string);
			return (-1);
		}
	}

	free(string);
	return (count);
}