redirect_in.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   redirect_in.c                                      :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dmdemirk <dmdemirk@student.42london.c      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/07/11 14:32:40 by dmdemirk          #+#    #+#             */
/*   Updated: 2024/07/11 14:53:27 by dmdemirk         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "tokens.h"
#include "shell.h"
#include "redirection.h"
#include "execute.h"
#include <string.h>
#include <sys/wait.h>
 
int redirect_in(t_ast *node, t_ms_data *data);
 
/*
   ! FIX
   wc < input.txt - work fine
   wc -l < input.txt - not work (:bad address error)
 */
 
int redirect_in(t_ast *node, t_ms_data *data)
{
    pid_t   pid;
 
    pid = fork();
    if (pid == -1)
        return (1);
    if (pid == 0)
    {
        data->std_in = open_file(node->right, "<");
        if (data->std_in == -1)
            return (1);
        execute_ast(node->left, data);
        exit(0);
    }
    waitpid(pid, &data->exit_status, 0);
    return (0);
}