Minishell/caller.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   caller.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/05/03 11:48:16 by narnaud           #+#    #+#             */
/*   Updated: 2022/05/03 20:29:01 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

int	command_call(char *argv[])
{
	if (ft_strncmp(argv[0], "echo", 4) == 0)
		return (ft_echo(argv));
	else if (ft_strncmp(argv[0], "pwd", 3) == 0)
		return (ft_pwd(argv));
	else if (ft_strncmp(argv[0], "cd", 2) == 0)
		return (ft_cd(argv));
	else if (ft_strncmp(argv[0], "export", 6) == 0)
		return (ft_export(argv));
	else if (ft_strncmp(argv[0], "unset", 5) == 0)
		return (ft_unset(argv));
	else if (ft_strncmp(argv[0], "env", 3) == 0)
		return (ft_env(argv));
	else if (ft_strncmp(argv[0], "exit", 4) == 0)
		return (close_minishell(0));
	else
	{
		errno = EINVAL;
		return (-1);
	}
}

void	exe(char *argv[], char *const envp[])
{
	char	**path_dirs;
	char	*path;
	size_t	path_length;

	execve(argv[0], argv, envp);
	path_dirs = ft_split(getenv("PATH"), ':');
	while (path_dirs)
	{
		path_length = ft_strlen(*path_dirs) + ft_strlen(argv[0]) + 2;
		path = ft_calloc(path_length, sizeof(char));
		ft_memcpy(path, *path_dirs, ft_strlen(*path_dirs));
		ft_memcpy(path + ft_strlen(*path_dirs),"/", 1);
		ft_memcpy(path + ft_strlen(*path_dirs) + 1, argv[0], ft_strlen(argv[0]));
		free(path);
		execve(path, argv, envp);
		path_dirs++;
	}
}