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yabtaour
GitHub Repository: yabtaour/Minishell-42
 Path: blob/main/execution/check_fork.c
1407 views
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/* ************************************************************************** */

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/*                                                                            */

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/*                                                        :::      ::::::::   */

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/*   check_fork.c                                       :+:      :+:    :+:   */

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/*                                                    +:+ +:+         +:+     */

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/*   By: ssabbaji <[email protected]>          +#+  +:+       +#+        */

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/*                                                +#+#+#+#+#+   +#+           */

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/*   Created: 2022/09/15 13:50:24 by ssabbaji          #+#    #+#             */

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/*   Updated: 2022/10/05 11:04:38 by ssabbaji         ###   ########.fr       */

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/*                                                                            */

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/* ************************************************************************** */

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#include "../minishell.h"

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int	check_builtins(t_data *data, t_cmd *cmd_lst)

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{

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	char	**cmd;

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	cmd = cmd_lst->cmd;

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	if (!ft_strcmp(cmd[0], "export"))

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		g_vars.g_exit_stat = export(data, cmd_lst);

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	else if (!ft_strcmp(cmd[0], "unset"))

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		g_vars.g_exit_stat = unset(data, cmd_lst);

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	else if (!ft_strcmp(cmd[0], "echo"))

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		g_vars.g_exit_stat = my_echo(cmd_lst);

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	else if (!ft_strcmp(cmd[0], "pwd"))

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		g_vars.g_exit_stat = my_pwd(data, data->lst_cmd);

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	else if (!ft_strcmp(cmd[0], "env"))

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		my_env(data, data->lst_cmd);

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	else if (!ft_strcmp(cmd[0], "exit"))

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		g_vars.g_exit_stat = my_exit(cmd_lst, data->general.old_error);

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	else

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		return (NO_BUILT);

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	return (g_vars.g_exit_stat);

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}

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int	nofork_list(t_data *data, t_cmd *cmd)

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{

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	data->fork_flag = 0;

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	if (!ft_strcmp(cmd->cmd[0], "cd") && !cmd->next)

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		g_vars.g_exit_stat = my_cd(data, cmd);

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	else if (!ft_strcmp(cmd->cmd[0], "export") && !cmd->next)

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		g_vars.g_exit_stat = export(data, cmd);

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	else if ((!ft_strcmp(cmd->cmd[0], "env")) && !cmd->next)

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		my_env(data, cmd);

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	else if (!ft_strcmp(cmd->cmd[0], "unset") && !cmd->next)

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		g_vars.g_exit_stat = unset(data, cmd);

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	else if (!ft_strcmp(cmd->cmd[0], "exit") && !cmd->next)

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	{

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		if (cmd->prev)

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			return (0);

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		g_vars.g_exit_stat = my_exit(cmd, data->general.old_error);

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	}

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	else

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		data->fork_flag = 1;

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	return (g_vars.g_exit_stat);

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}

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int	check_nonfork(t_data *data, t_cmd *cmd)

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{

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	int	idx;

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	idx = check_delim_idx(data, cmd);

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	data->fork_flag = 0;

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	if (cmd->her_doc_num && heredoc_exec(data, cmd, idx))

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	{

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		if (cmd->her_in != 1)

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			close(cmd->her_in);

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		if (cmd->cmd[0])

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			data->fork_flag = 1;

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	}

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	if (cmd->cmd && cmd->cmd[0])

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		return (nofork_list(data, cmd));

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	return (g_vars.g_exit_stat);

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}

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int	check_fork(int *pid, t_data *data)

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{

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	int	i;

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	i = 0;

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	if (*pid != 0 && data->fork_flag)

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	{

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		*pid = fork();

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		if (*pid < 0)

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		{

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			perror("fork() error");

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			exit(1);

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		}

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		i++;

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	}

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	return (i);

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}

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