printf/numbers at main · Profeso1012/printf · GitHub

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#include "main.h"

/**
 * print_number - a function that prints an integer
 * @n: the number to be printed
 * @width: field width
 * @precision: precision
 * Return: no return
 */
int print_number(va_list n, int width, int precision)
{
    int num = va_arg(n, int), count = 0;

    count += numprint(num);
    return (print_width(NULL, width, count) + print_precision(NULL, precision, count));
}

/**
 * numprint - a function that prints a number using recursion
 * @arg: the number to be printed
 * Return: number of digits printed
 */
int numprint(int arg)
{
    unsigned int k = arg;
    int count = 0;

    if (arg < 0)
    {
        _putchar('-');
        count++;
        arg *= -1;
        k = arg;
    }
    k /= 10;
    if (k)
        count += numprint(k);
    count += _putchar(((unsigned int)arg % 10) + '0');
    return (count);
}

/**
 * dectobin - prints a decimal number in binary
 * @num: number to print
 * Return: Number of characters printed
 */
int dectobin(unsigned int num)
{
    unsigned int remainder, quotient;
    int count = 0;

    if (!(num))
        return (_putchar('0'));
    quotient = num / 2;
    remainder = num % 2;
    if (quotient)
        count += dectobin(quotient);
    count += _putchar((remainder) + '0');
    return (count);
}

/**
 * printbin - print a number in binary
 * @arg: va_list variable passed
 * @width: field width
 * @precision: precision
 * Return: count of binary digits
 */
int printbin(va_list arg, int width, int precision)
{
    int num = va_arg(arg, unsigned int), count = 0;

    count += dectobin(num);
    return (print_width(NULL, width, count) + print_precision(NULL, precision, count));
}