printf/functions.c at master · untalinfo/printf · GitHub

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#include <stdarg.h>
#include "holberton.h"
#include <stdlib.h>

/**
 * p_char - Function that prints a char.
 * @list: va_list.
 * Return: A number char.
 */

int p_char(va_list list)
{
	return (_putchar(va_arg(list, int)));
}

/**
 * p_string - Function that prints a string.
 * @list: va_list.
 * Return: a string.
 */

int p_string(va_list list)
{	int lens;
	char *s = va_arg(list, char *);

	lens = 0;
	if (s == NULL)
	{
		lens = lens + _puts("(null)");
		return (lens + 1);
	}
	while (s[lens])
		lens = lens + _putchar(s[lens]);
	return (lens);
	/*return (_puts(va_arg(list, char *)));*/
}

/**
 * p_integer - Function that prints a integer.
 * @list: va_list.
 * Return: a int.
 */

int p_integer(va_list list)
{
	int integer;
	int div = 1;
	int len_i = 0;
	unsigned int num;

	integer = va_arg(list, int);
	if (integer < 0)
	{
		len_i = len_i + _putchar('-');
		num = integer * -1;
	}
	else
		num = integer;
	while (num / div > 9)
		div = div * 10;
	while (div != 0)
	{
		len_i = len_i + _putchar('0' + num / div);
		num = num % div;
		div = div / 10;
	}
	return (len_i);
}

/**
 * p_reverse - Function that prints a string in reverse.
 * @list: va_list.
 * Return: lenr.
 */

int p_reverse(va_list list)
{
	int i = 0, lenr = 0;
	char *s = va_arg(list, char *);

	while (s[i] != '\0')
		i++;
	lenr = i;
	i--;
	while (i >= 0)
	{
		_putchar(s[i]);
		i--;
	}
	return (lenr);
}

/**
 * p_rot13 - Functions that encodes a string using Rot13.
 * @list: va_list.
 * Return: lenr.
 */
int p_rot13(va_list list)
{
	int len = 0;
	int i, j;
	char *s = va_arg(list, char *);

	char alpha[] = "\n!_ aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ";
	char replace[] = "\n!_ nNoOpPqQrRsStTuUvVwWxXyYzZaAbBcCdDeEfFgGhHiIjJkKlLmM";

	for (i = 0; s[i] != '\0'; i++)
	{
		for (j = 0; j <= 55; j++)
		{
			if (s[i] == alpha[j])
			{
				len = len + _putchar(replace[j]);
				break;
			}
		}
	}
	return (len);
}