handle_customs_specifiers.c

#include "main.h"
#include <stdio.h>
#include <unistd.h>

/**
 * write_custom_S - Acustom specifier
 * @str: Pointer to string
 * Return: Number of character printed
 */
int write_custom_S(char *str)
{
	int count;

	while (*str != '\0')
	{
		if (*str < 32 || *str >= 127)
		{
			char hex[5];

			snprintf(hex, sizeof(hex), "\\x%02X", (unsigned char)*str);
			write(1, hex, 4);
			count += 4;
		} else
		{
			write(1, str, 1);
			count++;
		}
		str++;
	}
	return (count);
}

/**
 * write_pointer - Print a pointer value
 * @p: Pointer
 * Return: Number of character printed
 */
int write_pointer(void *p)
{
	char buffer[20];
	int len;

	len = snprintf(buffer, sizeof(buffer), "%p", p);
	write(1, buffer, len);
	return (len);
}

/**
 * write_rot13 - Print a string in Rot13
 * @str: Pointer to string
 * Return: Number of character printed
 */
int write_rot13(char *str)
{
	int i, j, count = 0;
	char c;
	char input[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
	char output[] = "NOPQRSTUVWXYZABCDEFGHIJKLMnopqrstuvwxyzabcdefghijklm";

	for (i = 0; str[i] != '\0'; i++)
	{
		for (j = 0; input[j] != '\0'; j++)
		{
			if (str[i]  == input[j])
			{
				c = output[j];
				write(1, &c, 1);
				count++;
				break;
			}
		}
		if (!input[j])
		{
			c = str[i];
			write(1, &c, 1);
			count++;
		}
	}
	return (count);
}

/**
 * write_reverse - Write a string in reverse
 * @str: Pointer to the string
 * Return: Number of character printed
 */
int write_reverse(char *str)
{
	int count = 0, len = 0;

	while (str[len] != '\0')
	{
		len++;
	}
	len--;
	while (len >= 0)
	{
		write(1, &str[len], 1);
		len--;
		count++;
	}
	return (count);
}