Fine builtins execution, now norme

1 files changed, 93 insertions, 0 deletions

diff --git a/src/ft_e_builtin.c b/src/ft_e_builtin.c
new file mode 100644
index 0000000..dada893
--- /dev/null
+++ b/src/ft_e_builtin.c
@@ -0,0 +1,93 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_e_builtin.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 <stdlib.h>
+#include <stdint.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <errno.h>
+#include "ft_s_destroy.h"
+#include "ft_s_lcom.h"
+#include "ft_s_struct.h"
+
+void
+	ft_e_builtin(const t_lcom *ptr,
+				uint8_t bu_id,
+				t_msh *msh)
+{
+	int32_t	fd;
+	int32_t	status;
+	int32_t	ret;
+	pid_t	pid;
+
+	/* TODO: handle exit | bu_id = 6 */
+	if ((pid = fork()) == 0)
+	{
+		if (ptr->redir == -1)
+		{
+			if (ptr->redir == -1 && (fd = open(ptr->rdrpath, O_RDONLY)) == -1)
+			{
+				if (errno == ENOENT)
+					ft_dprintf(STDERR_FILENO,
+					"minishell: %s: No such file or directory\n", ptr->rdrpath);
+				else if (errno == EACCES)
+					ft_dprintf(STDERR_FILENO,
+					"minishell: %s: Permission denied\n", ptr->rdrpath);
+			}
+		}
+		else if (ptr->redir == 1)
+		{
+			if ((fd = open(ptr->rdrpath,
+						   O_CREAT | O_TRUNC | O_WRONLY, 0644)) == -1)
+			{
+				/* TODO: handle err with errno */
+				if (errno == EACCES)
+					ft_dprintf(STDERR_FILENO,
+					   "minishell: %s: Permission denied\n", ptr->rdrpath);
+			}
+			dup2(fd, STDOUT_FILENO);
+			close(fd);
+		}
+		else if (ptr->redir == 2)
+		{
+			if ((fd = open(ptr->rdrpath,
+						   O_CREAT | O_APPEND | O_WRONLY, 0644)) == -1)
+			{
+				/* TODO: handle err with errno */
+				if (errno == EACCES)
+					ft_dprintf(STDERR_FILENO,
+						"minishell: %s: Permission denied\n", ptr->rdrpath);
+			}
+			dup2(fd, STDOUT_FILENO);
+			close(fd);
+		}
+		msh->ret = msh->bu_ptr[bu_id](ptr->args, msh);
+		ret = msh->ret;
+		ft_lcom_clear(&msh->curr);
+		ft_s_destroy(msh);
+		exit(ret);
+	}
+	else if (pid < 0)
+	{
+		/* TODO: handle fork failed */
+	}
+	else
+	{
+		while (wait(&status) != pid)
+		{
+			/* TODO: fix this unnormed syntax */
+		}
+		msh->ret = status;
+	}
+}