Merge interpreter changes into main

Miau

1 files changed, 61 insertions, 0 deletions

diff --git a/src/create_files.c b/src/create_files.c
new file mode 100644
index 0000000..eee2860
--- /dev/null
+++ b/src/create_files.c
@@ -0,0 +1,61 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   create_files.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: chuhlig <chuhlig@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/01/16 16:23:51 by dkaiser           #+#    #+#             */
+/*   Updated: 2025/01/20 18:30:40 by dkaiser          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+#include <sys/fcntl.h>
+#include <unistd.h>
+
+static int	cant_write(char *filename);
+static void	create_file(char *filename, int mode);
+
+int	create_files(t_list *files)
+{
+	t_redirection	*file;
+
+	while (files)
+	{
+		if (files->content != NULL)
+		{
+			file = (t_redirection *)files->content;
+			if (file->type == INPUT_FILE && (access(file->specifier, F_OK) == -1
+					|| access(file->specifier, R_OK) == -1))
+				return (EXIT_FAILURE);
+			if (cant_write(file->specifier))
+				break ;
+			if (file->type == OUTPUT_OVERRIDE)
+				create_file(file->specifier, O_TRUNC);
+			else if (file->type == OUTPUT_APPEND)
+				create_file(file->specifier, O_APPEND);
+			if (files->next == NULL)
+				break ;
+			if (((t_redirection *)files->next->content)->type == 0)
+				break ;
+		}
+		files = files->next;
+	}
+	return (EXIT_SUCCESS);
+}
+
+static int	cant_write(char *filename)
+{
+	return (access(filename, F_OK) != -1 && access(filename, W_OK) == -1);
+}
+
+static void	create_file(char *filename, int mode)
+{
+	close(open(filename, O_WRONLY | O_CREAT | mode, 0644));
+}
+
+void	q4fc(t_list **queue, t_redirection *redir)
+{
+	ft_lstadd_back(queue, ft_lstnew(redir));
+}