printf/print_f2.c at master · Youssef-Chibane/printf · GitHub

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#include "main.h"

/**
 * print_unsigned_number - Print an unsigned integer.
 * @n: The unsigned integer to be printed.
 *
 * Return: The number of characters printed.
 */
int print_unsigned_number(unsigned int n)
{
	int count = 0;

	if (n >= 10)
	{
		count += print_unsigned_number(n / 10);
	}

	_putchar(n % 10 + '0');
	count++;

	return (count);
}

/**
 * print_octal - Print an unsigned integer in octal format.
 * @n: The unsigned integer to be printed in octal.
 *
 * Return: The number of characters printed.
 */
int print_octal(unsigned int n)
{
	int count = 0;

	if (n >= 8)
	{
		count += print_octal(n / 8);
	}

	_putchar(n % 8 + '0');
	count++;

	return (count);
}

/**
 * print_hexadecimal - Print an unsigned integer in hexadecimal format.
 * @n: The unsigned integer to be printed in hexadecimal.
 * @uppercase: Whether to use uppercase letters (1) or not (0).
 *
 * Return: The number of characters printed.
 */
int print_hexadecimal(unsigned int n, int uppercase)
{
	int count = 0;
	char hexDigits[] = "0123456789abcdef";

	if (uppercase)
	{
		hexDigits[10] = 'A';
		hexDigits[11] = 'B';
		hexDigits[12] = 'C';
		hexDigits[13] = 'D';
		hexDigits[14] = 'E';
		hexDigits[15] = 'F';
	}

	if (n >= 16)
	{
		count += print_hexadecimal(n / 16, uppercase);
	}

	_putchar(hexDigits[n % 16]);
	count++;

	return (count);
}

/**
 * print_npc - Prints a string with custom formatting.
 * @str: The string to be printed.
 *
 * Return: The number of characters printed.
 */

int print_npc(char *str)
{
	int i;
	int count;

	count = 0;
	i = 0;
	while (str[i] != '\0')
	{
		if ((str[i] > 0 && str[i] < 32) || str[i] >= 127)
		{
			count += print_string("\\x");
			if (str[i] < 0x10)
				count += print_hexadecimal(0, 1);
			count += print_hexadecimal((unsigned int)str[i], 2);
			i++;
		}
		else
		{
			count += _putchar(str[i++]);
		}
	}
	return (count);
}