Pretty damn fine

1 files changed, 85 insertions, 0 deletions

diff --git a/src/e_redirs.c b/src/e_redirs.c
new file mode 100644
index 0000000..474e043
--- /dev/null
+++ b/src/e_redirs.c
@@ -0,0 +1,85 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   e_redirs.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/14 17:19:27 by rbousset          #+#    #+#             */
+/*   Updated: 2020/02/14 17:19:29 by rbousset         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <libft.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "f_fail.h"
+#include "s_destroy.h"
+#include "s_line.h"
+#include "s_struct.h"
+
+static void	e_redir_minus_one(struct s_lredir *ptr, t_msh *msh)
+{
+	int32_t	fd;
+
+	if ((fd = open(ptr->path, O_RDONLY)) == -1)
+	{
+		f_redir(ptr->path, msh);
+		return ;
+	}
+	dup2(fd, STDIN_FILENO);
+	close(fd);
+}
+
+static void	e_redir_plus_one(struct s_lredir *ptr, t_msh *msh)
+{
+	int32_t	fd;
+
+	if ((fd = open(ptr->path, O_CREAT | O_TRUNC | O_WRONLY, 0644)) == -1)
+	{
+		f_redir(ptr->path, msh);
+		return ;
+	}
+	dup2(fd, ptr->fd);
+	close(fd);
+}
+
+static void	e_redir_plus_two(struct s_lredir *ptr, t_msh *msh)
+{
+	int32_t	fd;
+
+	if ((fd = open(ptr->path, O_CREAT | O_APPEND | O_WRONLY, 0644)) == -1)
+	{
+		f_redir(ptr->path, msh);
+		return ;
+	}
+	dup2(fd, ptr->fd);
+	close(fd);
+}
+
+void		e_dup_redirs(const t_com *com, t_msh *msh)
+{
+	struct s_lredir	*ptr;
+
+	ptr = com->rdr;
+	while (ptr != NULL)
+	{
+		ft_printf("PATH: [%s]; FD: [%d]; RDR: [%hhd]\n", ptr->path, ptr->fd, ptr->redir);
+		if (ptr->redir == -1)
+		{
+			e_redir_minus_one(ptr, msh);
+		}
+		else if (ptr->redir == 1)
+		{
+			e_redir_plus_one(ptr, msh);
+		}
+		else if (ptr->redir == 2)
+		{
+			e_redir_plus_two(ptr, msh);
+		}
+		ptr = ptr->next;
+	}
+}