printf/functions.c at master · George-Raafat/printf · GitHub

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#include "main.h"

/**
 * p_char - print char.
 * @c: the char
 *
 * Return: len.
 */

int p_char(char c)
{
	return (write(1, &c, 1));
}

/**
 * p_string - print string.
 * @s: the the string
 *
 * Return: len.
 */

int p_string(char *s)
{
	return (write(1, s, strlen(s)));
}

/**
 * p_number - print number
 * @n: number to be printed
 *
 */

void p_number(int n)
{
	unsigned int n1;

	if (n < 0)
	{
		n1 = -n;
		p_char('-');
	}
	else
		n1 = n;

	if (n1 / 10)
		p_number(n1 / 10);

	p_char((n1 % 10) + '0');
}

/**
 * num_len - return the number len
 * @n: number to be printed
 *
 * Return: len.
 */

int num_len(int n)
{
	int len = 1;

	p_number(n);
	if (n < 0)
		len++;
	while (n /= 10)
		len++;

	return (len);
}

/**
 * specifier - print argument
 * @c: the specifier
 * @args: the arguments
 *
 * Return: len.
 */

int specifier(char c, va_list args)
{
	int len = 0;
	char *str;

	if (c == 'c')
		len += p_char(va_arg(args, int));
	else if (c == 's')
	{
		str = va_arg(args, char *);
		len += p_string(STRING);
	}
	else if (c == 'i' || c == 'd')
		len += num_len(va_arg(args, int));
	else if (c == 'b')
		len += p_base(va_arg(args, unsigned int), 2, 55, 0);
	else if (c == 'o')
		len += p_base(va_arg(args, unsigned int), 8, 55, 0);
	else if (c == 'x')
		len += p_base(va_arg(args, unsigned int), 16, 87, 0);
	else if (c == 'X')
		len += p_base(va_arg(args, unsigned int), 16, 55, 0);
	else if (c == 'u')
		len += num_u_len(va_arg(args, unsigned int));
	else if (c == '%')
		len += p_char('%');
	else if (c == 'S')
		len += p_s_string(va_arg(args, char *));
	else if (c == 'r')
		len += p_r_string(va_arg(args, char *));
	else if (c == 'R')
		len += p_R_string(va_arg(args, char *));
	else if (c == 'p')
		len += h_address(va_arg(args, unsigned long));
	else
	{
		len += p_char('%');
		len += p_char(c);
	}
	return (len);
}