ft_printf/ft_printf.c at main · M677871/ft_printf · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_printf.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: miissa <miissa@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/11/18 10:16:42 by miissa            #+#    #+#             */
/*   Updated: 2025/11/22 09:32:50 by miissa           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

int	ft_format_handler(va_list va, char c)
{
	if (c == 'c')
		return (ft_putchar(va_arg(va, int)));
	else if (c == 's')
		return (ft_putstr(va_arg(va, char *)));
	else if (c == 'p')
		return (ft_putptr(va_arg(va, void *)));
	else if (c == 'd')
		return (ft_putnbr(va_arg(va, int)));
	else if (c == 'i')
		return (ft_putnbr(va_arg(va, int)));
	else if (c == 'u')
		return (ft_putunbr(va_arg(va, int)));
	else if (c == 'x')
		return (ft_putnbr_base(va_arg(va, unsigned int), "0123456789abcdef"));
	else if (c == 'X')
		return (ft_putnbr_base(va_arg(va, unsigned int), "0123456789ABCDEF"));
	else if (c == '%')
		return (ft_putstr("%"));
	return (0);
}

int	ft_printf(const char *format, ...)
{
	va_list	start;
	int		count;
	int		i;

	count = 0;
	i = 0;
	va_start(start, format);
	while (format[i])
	{
		if (format[i] == '%' && format[i + 1])
		{
			i++;
			count += ft_format_handler(start, format[i]);
		}
		else
			count += ft_putchar(format[i]);
		i++;
	}
	va_end(start);
	return (count);
}