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yabtaour
GitHub Repository: yabtaour/Minishell-42
 Path: blob/main/parsing/parsing_utils2.c
1407 views
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/* ************************************************************************** */

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/*                                                                            */

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

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/*   parsing_utils2.c                                   :+:      :+:    :+:   */

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

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

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

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/*   Created: 2022/07/26 18:17:10 by yabtaour          #+#    #+#             */

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/*   Updated: 2022/10/03 14:24:02 by ssabbaji         ###   ########.fr       */

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/*                                                                            */

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

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#include "../minishell.h"

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int	ft_get_in(int *fd, int *red, int red_num)

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{

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	int	fd_in;

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	int	i;

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	fd_in = 0;

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	i = 0;

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	while (i < red_num)

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	{

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		if (red[i] == 3)

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			fd_in = fd[i];

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		i++;

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	}

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	return (fd_in);

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}

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int	ft_get_out(int *fd, int *red, int red_num)

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{

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	int	fd_out;

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	int	i;

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	fd_out = 1;

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	i = 0;

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	while (i < red_num)

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	{

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		if (red[i] == 1 || red[i] == 2)

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			fd_out = fd[i];

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		i++;

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	}

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	return (fd_out);

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}

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int	*ft_fill_red(t_data *data, int red_num)

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{

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	t_lexer	*lexer_clone;

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	int		*red;

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	int		i;

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	i = 0;

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	red = malloc(sizeof(int) * red_num);

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	if (!red)

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		exit (1);

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	lexer_clone = data->lst_lexer;

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	while (lexer_clone && lexer_clone->type != PIPE)

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	{

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		if (ft_strcmp(lexer_clone->val, ">") == 0)

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			red[i++] = 1;

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		if (ft_strcmp(lexer_clone->val, ">>") == 0)

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			red[i++] = 2;

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		if (ft_strcmp(lexer_clone->val, "<") == 0)

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			red[i++] = 3;

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		lexer_clone = lexer_clone->next;

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	}

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	return (red);

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}

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int	ft_fill_fd(t_data *data, char *name, int red)

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{

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	int	fd;

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	(void)data;

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	if (red == 1)

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		fd = open(name, O_RDWR | O_CREAT | O_TRUNC | O_CLOEXEC, 0664);

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	if (red == 2)

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		fd = open(name, O_RDWR | O_CREAT | O_APPEND | O_CLOEXEC, 0664);

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	if (red == 3)

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	{

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		fd = open(name, O_RDONLY | O_CLOEXEC, 0777);

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		if (fd == -1)

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		{

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			printf("No such file or directory\n");

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			data->rerror_f = 1;

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			g_vars.g_exit_stat = 1;

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			fd = -69;

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		}

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	}

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	return (fd);

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}

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int	ft_red_num(t_data *data)

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{

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	int		red_num;

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	t_lexer	*lexer_clone;

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	red_num = 0;

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	lexer_clone = data->lst_lexer;

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	while (lexer_clone && lexer_clone->type != PIPE)

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	{		

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		if (lexer_clone->type == REDIRECTION

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			&& ft_strcmp(lexer_clone->val, "<<"))

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			red_num++;

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		lexer_clone = lexer_clone->next;

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	}

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	return (red_num);

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}

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