42_minishell/redirection/heredoc.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   heredoc.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/02/17 15:36:26 by cchauvet          #+#    #+#             */
/*   Updated: 2023/03/28 15:47:25 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "./redirection_private.h"

int	*ft_get_heredoc(void)
{
	static int	heredoc = -1;

	return (&heredoc);
}

int	ft_heredoc(t_data *data, char *stop)
{
	char	*line;
	char	*line_clean;
	int		fds[2];

	if (pipe(fds) == -1)
		return (-2);
	*ft_get_heredoc() = dup(0);
	ft_printf("> ");
	line = get_next_line(*ft_get_heredoc());
	while (line != NULL)
	{
		line[ft_strlen(line) - 1] = '\0';
		if (ft_strcmp(line, stop) == 0)
		{
			free(line);
			break ;
		}
		line_clean = ft_env_filler(data, line);
		free(line);
		ft_putendl_fd(line_clean, fds[1]);
		free(line_clean);
		ft_printf("> ");
		line = get_next_line(*ft_get_heredoc());
		if (line == NULL && *ft_get_heredoc() == -1)
		{
			close(fds[0]);
			close(fds[1]);
			return (-2);
		}
	}
	close(fds[1]);
	*ft_get_heredoc() = -1;
	return (fds[0]);
}