Tryna export

8 files changed, 109 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index ec2ce4c..4cebc18 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,7 @@ SRCS_NAME		 = minishell.c
 SRCS_NAME		+= ft_b_echo.c
 SRCS_NAME		+= ft_b_env.c
 SRCS_NAME		+= ft_b_exit.c
+SRCS_NAME		+= ft_b_export.c
 SRCS_NAME		+= ft_e_lcom.c
 SRCS_NAME		+= ft_f_fail.c
 SRCS_NAME		+= ft_m_funptr.c
diff --git a/src/ft_b_builtins.h b/src/ft_b_builtins.h
index 8a58f9d..21ffe0b 100644
--- a/src/ft_b_builtins.h
+++ b/src/ft_b_builtins.h
@@ -16,5 +16,6 @@
 #include "ft_b_echo.h"
 #include "ft_b_env.h"
 #include "ft_b_exit.h"
+#include "ft_b_export.h"
 
 #endif
diff --git a/src/ft_b_env.c b/src/ft_b_env.c
index 2ac4000..c602c13 100644
--- a/src/ft_b_env.c
+++ b/src/ft_b_env.c
@@ -21,7 +21,7 @@ uint8_t
 {
 	char	**ptr;
 
-	if (args[0])
+	if (args && args[0])
 	{
 		ft_fail_no_options("env");
 		return (127);
diff --git a/src/ft_b_export.c b/src/ft_b_export.c
new file mode 100644
index 0000000..be4d94d
--- /dev/null
+++ b/src/ft_b_export.c
@@ -0,0 +1,74 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_b_export.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 "ft_b_env.h"
+#include "ft_f_fail.h"
+#include "ft_s_struct.h"
+#include "ft_u_utils.h"
+
+static int8_t
+	ft_check_valid_identifier(const char *arg)
+{
+	char	*ptr;
+
+	ptr = (char*)arg;
+	if (ft_isalpha(ptr[0]))
+	{
+		return (1);
+	}
+	return (0);
+}
+
+static int8_t
+	ft_check_equals(const char *arg)
+{
+	char	*ptr;
+
+	ptr = (char*)arg;
+	while (*ptr)
+	{
+		if (*ptr == '=')
+			return (1);
+		ptr++;
+	}
+	return (0);
+}
+
+uint8_t
+	ft_b_export(char *args[],
+			 	t_msh *msh)
+{
+	char	**ptr;
+	const uint64_t	argc = ft_get_argc((const char**)args);
+	int8_t	next;
+
+	if (argc == 0)
+	{
+		return (ft_b_env(NULL, msh));
+	}
+	ptr = args;
+	while (*ptr)
+	{
+		next = 0;
+		if (!ft_check_valid_identifier(*ptr))
+		{
+			ft_fail_identifier("export", *ptr);
+		}
+		ft_check_equals(*ptr);
+		ptr++;
+	}
+	 /* TODO: finish export */
+	return (0);
+}
diff --git a/src/ft_b_export.h b/src/ft_b_export.h
new file mode 100644
index 0000000..3a28562
--- /dev/null
+++ b/src/ft_b_export.h
@@ -0,0 +1,20 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_b_export.h                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   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   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef FT_B_EXPORT_H
+#define FT_B_EXPORT_H
+
+uint8_t
+	ft_b_export(char *args[],
+			 	t_msh *msh);
+
+#endif
diff --git a/src/ft_f_fail.c b/src/ft_f_fail.c
index 3459702..9a826ed 100644
--- a/src/ft_f_fail.c
+++ b/src/ft_f_fail.c
@@ -28,6 +28,15 @@ void
 	ft_write_fail(concern, FT_FAIL_NO_OPTIONS);
 }
 
+ /* TODO: export failed identifier `123' */
+void
+	ft_fail_identifier(const char concern[],
+					const char identifier[])
+{
+	ft_dprintf(STDERR_FILENO,
+		"minishell: %s: `%s': not a valid identifier\n", concern, identifier);
+}
+
 void
 	ft_fail_too_many_args(const char concern[])
 {
diff --git a/src/ft_f_fail.h b/src/ft_f_fail.h
index 85d0c30..60f989d 100644
--- a/src/ft_f_fail.h
+++ b/src/ft_f_fail.h
@@ -15,6 +15,8 @@
 
 void	ft_fail_no_options(const char concern[]);
 void	ft_fail_too_many_args(const char concern[]);
+void	ft_fail_identifier(const char concern[],
+						const char identifier[]);
 void	ft_fail_alloc(void);
 
 #endif
diff --git a/src/ft_m_funptr.c b/src/ft_m_funptr.c
index bf2824e..22b390f 100644
--- a/src/ft_m_funptr.c
+++ b/src/ft_m_funptr.c
@@ -24,7 +24,7 @@ void
 	msh->bu_ptr[0] = ft_b_echo;
 	/* msh->bu_ptr[1] = ft_b_cd; */
 	/* msh->bu_ptr[2] = ft_b_pwd; */
-	/* msh->bu_ptr[3] = ft_b_export; */
+	msh->bu_ptr[3] = ft_b_export;
 	/* msh->bu_ptr[4] = ft_b_unset; */
 	msh->bu_ptr[5] = ft_b_env;
 	msh->bu_ptr[6] = ft_b_exit;