ft_printf/ft_utils.c at main · aymenmarjan/ft_printf · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_utils.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: amarjan <amarjan@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2026/01/18 12:09:38 by amarjan           #+#    #+#             */
/*   Updated: 2026/01/18 12:09:49 by amarjan          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

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

int	ft_strlen(const char *s)
{
	int	len;

	len = 0;
	while (s[len] != '\0')
		len++;
	return (len);
}

int	ft_putstr_fd(char *s, int fd)
{
	if (!s)
		return (write(1, "(null)", 6));
	return (write(fd, s, ft_strlen(s)));
}

int	ft_putnbr_fd(int n, int fd)
{
	int	sign;

	sign = 0;
	if (n == -2147483648)
	{
		return (write(fd, "-2147483648", 11));
	}
	if (n < 0)
	{
		write(fd, "-", 1);
		n = -n;
		sign = 1;
	}
	if (n <= 9)
	{
		return (ft_putchar_fd(n + 48, fd) + sign);
	}
	return (sign + ft_putnbr_fd(n / 10, fd) + ft_putchar_fd(n % 10 + 48, fd));
}