norm

2025-02-12 10:10:29 +01:00
parent ced584b17a
commit adc59eb33b
20 changed files with 822 additions and 662 deletions
--- a/srcs/execution/exec_redir.c
+++ b/srcs/execution/exec_redir.c
@@ -0,0 +1,91 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   exec_redir.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lderidde <lderidde@student.s19.be>        +#+  +:+       +#+         */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/02/12 09:42:31 by lderidde          #+#    #+#             */
+/*   Updated: 2025/02/12 09:42:31 by lderidde         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../../includes/exec/exec.h"
+
+void	handle_file(t_ast_n *node, int check, int i)
+{
+	int	fd;
+
+	if (check == 1)
+		fd = open(node->files[i], O_RDONLY);
+	else if (check == 2)
+		fd = open(node->files[i], O_WRONLY | O_CREAT | O_TRUNC, 0666);
+	else if (check == 3)
+		fd = open(node->files[i], O_WRONLY | O_CREAT | O_APPEND, 0666);
+	if (fd == -1)
+	{
+		perror("open");
+		exit(1);
+	}
+	if (check == 1)
+		node->_stdin = fd;
+	else if (check == 2 || check == 3)
+		node->_stdout = fd;
+}
+
+static void	save_stds(t_ast_n *node)
+{
+	if (node->state == _PLINE || node->redir[0] != _NR)
+	{
+		node->save_stdo = dup(STDOUT_FILENO);
+		node->save_stdi = dup(STDIN_FILENO);
+	}
+}
+
+void	handle_redir(t_ast_n *node)
+{
+	int	i;
+
+	i = -1;
+	save_stds(node);
+	while (node->state != _PLINE && node->redir[++i] && node->redir[i] != _NR)
+	{
+		if (node->redir[i] == _RED_L)
+			handle_file(node, 1, i);
+		else if (node->redir[i] == _RED_R)
+			handle_file(node, 2, i);
+		else if (node->redir[i] == _RED_DR)
+			handle_file(node, 3, i);
+		else if (node->redir[i] == _RED_DL)
+			here_doc(node, i);
+		if (node->redir[i] == _RED_L)
+		{
+			dup2(node->_stdin, STDIN_FILENO);
+			close(node->_stdin);
+		}
+		else if (node->redir[i] == _RED_R || node->redir[i] == _RED_DR)
+		{
+			dup2(node->_stdout, STDOUT_FILENO);
+			close(node->_stdout);
+		}
+	}
+}
+
+void	reset_redir(t_ast_n *node)
+{
+	if (node->state == _PLINE || node->redir[0] != _NR)
+	{
+		dup2(node->save_stdo, STDOUT_FILENO);
+		close(node->save_stdo);
+		dup2(node->save_stdi, STDIN_FILENO);
+		close(node->save_stdi);
+	}
+}
+
+int	err_fork_pline(int *pipes)
+{
+	close(pipes[0]);
+	close(pipes[1]);
+	perror("fork");
+	return (1);
+}