printf/ft_printf.c at master · pazlatov/printf · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   ft_printf.c                                        :+:    :+:            */
/*                                                     +:+                    */
/*   By: pzlatov <pzlatov@student.codam.nl>           +#+                     */
/*                                                   +#+                      */
/*   Created: 2024/11/14 17:53:53 by pzlatov       #+#    #+#                 */
/*   Updated: 2024/12/07 12:21:17 by pzlatov       ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

static int	ft_parsing(const char *frm, unsigned int i, va_list list);

int	ft_printf(const char *frm, ...)
{
	va_list			list;
	unsigned int	i;
	unsigned int	counter;

	i = 0;
	counter = 0;
	va_start (list, frm);
	while (frm[i] != '\0')
	{
		if (frm[i] == '%')
		{
			i++;
			counter += ft_parsing(frm, i, list);
		}
		else
		{
			counter += ft_print_c(frm[i]);
		}
		i++;
	}
	va_end(list);
	return (counter);
}

static int	ft_parsing(const char *frm, unsigned int i, va_list list)
{
	if (frm[i] == 'c')
		return (ft_print_c(va_arg (list, int)));
	if (frm[i] == 's')
		return (ft_print_s(va_arg (list, char *)));
	if (frm[i] == 'p')
		return (ft_print_p(va_arg (list, uintptr_t *)));
	if (frm[i] == 'd')
		return (ft_pr(va_arg (list, int), 10, "0123456789"));
	if (frm[i] == 'i')
		return (ft_pr(va_arg (list, int), 10, "0123456789"));
	if (frm[i] == 'u')
		return (ft_pr(va_arg (list, unsigned int), 10, "0123456789"));
	if (frm [i] == 'x')
		return (ft_pr(va_arg (list, unsigned int), 16, "0123456789abcdef"));
	if (frm[i] == 'X')
		return (ft_pr(va_arg (list, unsigned int), 16, "0123456789ABCDEF"));
	if (frm [i] == '%')
		return (ft_print_c('%'));
	else
		return (0);
}