Merge branch 'master' of https://github.com/jzck/42sh

42sh/Makefile

@@ -6,7 +6,7 @@
 #    By: wescande <wescande@student.42.fr>          +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2016/08/29 21:32:58 by wescande          #+#    #+#              #
-#    Updated: 2017/03/24 14:53:07 by ariard           ###   ########.fr        #
+#    Updated: 2017/03/24 23:52:56 by ariard           ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 

42sh/VAR

@@ -1,23 +0,0 @@
-$TOKEN201703241737_NAME
-21sh_error
-42ShellTester
-42sh
-42sh_error
-Makefile
-README.md
-STDBUG
-VAR
-auteur
-donovan_segaults_06-02
-file
-includes
-libft
-minishell_error
-new_file
-objs
-pdf
-sample
-scriptheader.sh
-src
-update_makefile.sh
-write_on_stdout_and_stderr

42sh/includes/builtin.h

@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/03/14 22:59:57 by jhalford          #+#    #+#             */
-/*   Updated: 2017/03/25 02:18:19 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/03/25 04:09:10 by ariard           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -49,6 +49,11 @@ int		builtin_math(const char *path, char *const av[], char *const envp[]);
 int		builtin_func(const char *path, char *const av[], char *const envp[]);
 
 int		bt_env_geti(char ***av, t_env_data *data);
+
+int		get_cdpath(char *arg);
+int		process_dotdot(char *target);
+int		process_symlink(char *target);
+
 int		error_msg(char *msg);
 
 #endif

42sh/libft/Makefile

@@ -192,6 +192,7 @@ str/ft_strstr.c\
 str/ft_strsub.c\
 str/ft_strtok.c\
 str/ft_strtrim.c\
+sys/create_directory.c\
 sys/dup2_close.c\
 sys/fd_replace.c\
 sys/ft_getenv.c\

42sh/libft/includes/sys.h

@@ -6,7 +6,7 @@
 /*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2017/03/14 17:24:23 by jhalford          #+#    #+#             */
-/*   Updated: 2017/03/25 01:42:01 by jhalford         ###   ########.fr       */
+/*   Updated: 2017/03/25 04:07:20 by ariard           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -35,6 +35,7 @@ char	*ft_getenv(char **env, char *key);
 
 int		open_access(char *file, t_flag a_flag, t_flag o_flag, t_flag o_perm);
 int		is_directory(const char *path);
+char	*create_direcotry(const char *path, const char *old_pathnames);
 
 int		dup2_close(int fd1, int fd2);
 int		fd_replace(int fd1, int fd2);

42sh/libft/src/sys/create_directory.c

@@ -0,0 +1,36 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   create_directory.c                                 :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: ariard <ariard@student.42.fr>              +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2017/03/25 03:18:18 by ariard            #+#    #+#             */
+/*   Updated: 2017/03/25 04:13:15 by ariard           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char		*create_directory(const char *path, const char *old_pathnames)
+{
+	char	*new_pathnames;
+	char	*newdir;
+	char	*temp;
+	char	*semi;
+
+	new_pathnames = ft_strdup(old_pathnames);
+	temp = new_pathnames;
+	while (new_pathnames)
+	{
+		if ((semi = ft_strchr(new_pathnames, ':')))
+			*semi = 0;
+		if (!is_directory(newdir = ft_str3join(new_pathnames, "/", path)))
+			ft_strdel(&newdir);
+		else
+			break;
+		new_pathnames += ft_strlen(new_pathnames) + 1;
+	}
+	ft_strdel(&temp);
+	return (newdir);
+}

42sh/log

@@ -1,304 +0,0 @@
-Norme: ./src/builtin/bt_read_get.c
-Norme: ./src/builtin/builtin_echo.c
-Norme: ./src/builtin/bt_read_term.c
-Norme: ./src/builtin/builtin_exit.c
-Error (line 31): spaces at the end of line
-Norme: ./src/builtin/builtin_func.c
-Norme: ./src/builtin/builtin_cd.c
-Error (line 74): comment not well formatted
-Error (line 74): bad indentation
-Error (line 74): comment not well placed
-Norme: ./src/builtin/builtin_export.c
-Error (line 60): line has 88 characters
-Norme: ./src/builtin/builtin_hash.c
-Norme: ./src/builtin/builtin_history.c
-Norme: ./src/builtin/builtin_env.c
-Error (line 51): line has 82 characters
-Error (line 57): function builtin_env has 29 lines
-Norme: ./src/builtin/builtin_unset.c
-Norme: ./src/builtin/builtin_math.c
-Norme: ./src/builtin/error_msg.c
-Norme: ./src/builtin/builtin_unsetenv.c
-Norme: ./src/builtin/is_builtin.c
-Norme: ./src/builtin/builtin_setenv.c
-Norme: ./src/completion/c_find_abspath.c
-Norme: ./src/completion/c_find_binary.c
-Norme: ./src/completion/c_arrow.c
-Norme: ./src/builtin/builtin_read.c
-Norme: ./src/completion/c_clear.c
-Norme: ./src/completion/c_find_env.c
-Norme: ./src/completion/c_match.c
-Norme: ./src/completion/c_match_glob.c
-Norme: ./src/completion/c_init.c
-Norme: ./src/completion/c_match_update.c
-Norme: ./src/completion/c_find_files.c
-Norme: ./src/completion/c_misc.c
-Norme: ./src/completion/c_output.c
-Norme: ./src/completion/c_parser.c
-Norme: ./src/completion/c_sizing.c
-Norme: ./src/completion/c_printer.c
-Norme: ./src/exec/ast_free.c
-Norme: ./src/completion/c_terminal.c
-Norme: ./src/completion/completion.c
-Norme: ./src/exec/bad_fd.c
-Norme: ./src/exec/exec_and_if.c
-Norme: ./src/exec/exec_bang.c
-Norme: ./src/exec/exec_ampersand.c
-Norme: ./src/exec/exec_elif.c
-Norme: ./src/exec/exec_case_branch.c
-Norme: ./src/exec/exec_else.c
-Norme: ./src/exec/exec_or_if.c
-Norme: ./src/exec/exec_pipe.c
-Norme: ./src/completion/c_pathsolver.c
-Norme: ./src/exec/exec_semi.c
-Norme: ./src/exec/exec_leaf.c
-Norme: ./src/exec/exec_func.c
-Norme: ./src/exec/exec_reset.c
-Error (line 25): missing void in function exec_pushfds
-Error (line 37): missing void in function exec_popfds
-Norme: ./src/exec/fd_is_valid.c
-Norme: ./src/exec/exec_var.c
-Norme: ./src/exec/is_function.c
-Norme: ./src/exec/ft_exec.c
-Norme: ./src/exec/ft_findexec.c
-Norme: ./src/exec/mark_process_status.c
-Norme: ./src/exec/pfree_cond.c
-Norme: ./src/exec/pfree_cmd.c
-Norme: ./src/exec/pfree_list.c
-Norme: ./src/exec/pfree_func.c
-Norme: ./src/exec/pfree_subshell.c
-Norme: ./src/exec/node_copy.c
-Norme: ./src/exec/plaunch_brace.c
-Norme: ./src/exec/plaunch_empty.c
-Norme: ./src/exec/plaunch_builtin.c
-Norme: ./src/exec/plaunch_case.c
-Norme: ./src/exec/plaunch_function.c
-Norme: ./src/exec/plaunch_if.c
-Norme: ./src/exec/plaunch_for.c
-Norme: ./src/exec/plaunch_subshell.c
-Norme: ./src/exec/plaunch_until.c
-Norme: ./src/exec/plaunch_while.c
-Norme: ./src/exec/plaunch_file.c
-Norme: ./src/exec/process_setgroup.c
-Norme: ./src/exec/process_setsig.c
-Norme: ./src/exec/pset_brace.c
-Norme: ./src/exec/process_launch.c
-Norme: ./src/exec/process_redirect.c
-Norme: ./src/exec/pset_case.c
-Norme: ./src/exec/pset_for.c
-Norme: ./src/exec/pset_if.c
-Norme: ./src/exec/pset_subshell.c
-Norme: ./src/exec/pset_until.c
-Norme: ./src/exec/pset_while.c
-Norme: ./src/exec/pset_cmd.c
-Norme: ./src/exec/redir_copy.c
-Norme: ./src/exec/redir_free.c
-Norme: ./src/exec/redirect_dgreat.c
-Norme: ./src/exec/redirect_dless.c
-Norme: ./src/exec/process_set.c
-Norme: ./src/exec/redirect_great.c
-Error (line 25, col 7): Spacing after call to exit
-Norme: ./src/exec/redirect_less.c
-Norme: ./src/exec/redirect_greatand.c
-Norme: ./src/exec/redirect_lessand.c
-Norme: ./src/exec/set_exitstatus.c
-Norme: ./src/exec/token_to_argv.c
-Norme: ./src/glob/esc_print.c
-Norme: ./src/glob/command_getoutput.c
-Norme: ./src/glob/dir_glob.c
-Norme: ./src/glob/expand_esc.c
-Norme: ./src/glob/expand_home.c
-Norme: ./src/glob/expand_var.c
-Norme: ./src/glob/expand_brace.c
-Norme: ./src/glob/ft_strsplit_esc.c
-Norme: ./src/glob/gen_tab_esc.c
-Norme: ./src/glob/ft_strsplit_spe.c
-Norme: ./src/glob/is_char_esc.c
-Norme: ./src/glob/lib_perso/ft_ld_back.c
-Norme: ./src/glob/lib_perso/ft_ld_clear.c
-Norme: ./src/glob/lib_perso/ft_ld_copy.c
-Norme: ./src/glob/lib_perso/ft_ld_front.c
-Norme: ./src/glob/lib_perso/ft_ld_del.c
-Norme: ./src/glob/lib_perso/ft_ld_new.c
-Norme: ./src/glob/lib_perso/ft_ld_order.c
-Norme: ./src/glob/lib_perso/ft_ld_pushback.c
-Norme: ./src/glob/lib_perso/ft_ld_reverse.c
-Norme: ./src/glob/lib_perso/ft_ld_pushfront.c
-Norme: ./src/glob/lib_perso/ft_ld_size.c
-Norme: ./src/glob/glob.c
-Norme: ./src/glob/lib_perso/ft_ld_swap.c
-Norme: ./src/glob/lib_perso/ft_memrealloc.c
-Norme: ./src/glob/lib_perso/ft_ld_to_tab.c
-Norme: ./src/glob/lib_perso/ft_strjoinf.c
-Norme: ./src/glob/lib_perso/ft_strsubf.c
-Norme: ./src/glob/lib_perso/ft_tablen.c
-Norme: ./src/glob/lib_perso/ft_tabdel.c
-Norme: ./src/glob/tab_esc_copy.c
-Norme: ./src/glob/word_is_assignment.c
-Norme: ./src/hash_table/ft_add_hash.c
-Norme: ./src/hash_table/hash.c
-Norme: ./src/hash_table/hash_free.c
-Norme: ./src/hash_table/hash_str.c
-Norme: ./src/hash_table/is_hash.c
-Norme: ./src/glob/expand_bquote.c
-Norme: ./src/history/add_str_in_history.c
-Norme: ./src/history/history.c
-Norme: ./src/history/history_parsing_toolz_2.c
-Norme: ./src/history/history_parsing_toolz.c
-Norme: ./src/history/list_toolz.c
-Norme: ./src/job_control/builtin_bg.c
-Norme: ./src/history/history_parsing.c
-Norme: ./src/glob/match_pattern.c
-Norme: ./src/job_control/builtin_fg.c
-Norme: ./src/job_control/do_job_notification.c
-Norme: ./src/history/surch_in_history.c
-Norme: ./src/job_control/has_running_job.c
-Norme: ./src/job_control/has_stopped_job.c
-Norme: ./src/job_control/job_cmp_id.c
-Norme: ./src/job_control/job_format.c
-Norme: ./src/job_control/job_format_head.c
-Norme: ./src/job_control/job_free.c
-Norme: ./src/job_control/job_addprocess.c
-Norme: ./src/job_control/job_getprocess.c
-Norme: ./src/job_control/job_hup_all.c
-Norme: ./src/job_control/job_is_completed.c
-Norme: ./src/job_control/builtin_jobs.c
-Norme: ./src/job_control/job_is_stopped.c
-Norme: ./src/job_control/job_notify_change.c
-Norme: ./src/job_control/job_getrank.c
-Norme: ./src/job_control/job_run.c
-Norme: ./src/job_control/job_notify_new.c
-Norme: ./src/job_control/job_update_id.c
-Norme: ./src/job_control/job_remove.c
-Norme: ./src/job_control/job_update_status.c
-Norme: ./src/job_control/mark_job_as_running.c
-Norme: ./src/job_control/pprint_brace.c
-Norme: ./src/job_control/pprint_case.c
-Norme: ./src/job_control/pprint_cmd.c
-Norme: ./src/job_control/pprint_for.c
-Norme: ./src/job_control/pprint_function.c
-Norme: ./src/job_control/pprint_if.c
-Norme: ./src/job_control/pprint_subshell.c
-Norme: ./src/job_control/job_wait.c
-Norme: ./src/job_control/pprint_while.c
-Norme: ./src/job_control/process_cmp_pid.c
-Norme: ./src/job_control/pprint_until.c
-Norme: ./src/job_control/process_free.c
-Norme: ./src/job_control/put_job_in_background.c
-Norme: ./src/job_control/sigchld_handler.c
-Norme: ./src/job_control/sigint_handler.c
-Norme: ./src/job_control/sigtstp_handler.c
-Norme: ./src/job_control/sigttin_handler.c
-Norme: ./src/job_control/sigttou_handler.c
-Norme: ./src/lexer/get_lexer_stack.c
-Norme: ./src/job_control/put_job_in_foreground.c
-Error (line 27): bad indentation
-Error (line 27): C++ comment
-Norme: ./src/lexer/get_lexer_stack2.c
-Norme: ./src/lexer/do_lexer_routine.c
-Norme: ./src/lexer/get_state_global.c
-Norme: ./src/lexer/get_state_redir.c
-Norme: ./src/lexer/insert_newline.c
-Norme: ./src/lexer/keep_last_type.c
-Norme: ./src/lexer/isrw_delim.c
-Norme: ./src/lexer/lexer_backslash.c
-Norme: ./src/lexer/get_reserved_words.c
-Norme: ./src/lexer/lexer_curly_braces.c
-Norme: ./src/job_control/process_format.c
-Norme: ./src/lexer/lexer_default.c
-Norme: ./src/lexer/lexer_bquote.c
-Norme: ./src/lexer/lexer_destroy.c
-Norme: ./src/lexer/lexer_delim.c
-Norme: ./src/lexer/lexer_end.c
-Norme: ./src/lexer/lexer_heredoc.c
-Norme: ./src/lexer/lexer_dquote.c
-Norme: ./src/lexer/lexer_great.c
-Norme: ./src/lexer/lexer_init.c
-Norme: ./src/lexer/lexer_less.c
-Norme: ./src/lexer/lexer_newline.c
-Norme: ./src/lexer/lexer_lex.c
-Norme: ./src/lexer/lexer_quote.c
-Norme: ./src/lexer/lexer_paren.c
-Norme: ./src/lexer/lexer_number.c
-Norme: ./src/lexer/lexer_sep.c
-Norme: ./src/lexer/token_cmp_type.c
-Norme: ./src/lexer/token_free.c
-Norme: ./src/lexer/token_init.c
-Norme: ./src/lexer/lexer_word.c
-Norme: ./src/lexer/token_print.c
-Norme: ./src/line_editing/copy_cut_paste/underline_down.c
-Norme: ./src/lexer/token_append.c
-Norme: ./src/line_editing/control_features.c
-Norme: ./src/line_editing/copy_cut_paste/underline_end.c
-Norme: ./src/line_editing/copy_cut_paste/underline_function.c
-Norme: ./src/line_editing/copy_cut_paste/underline_home.c
-Norme: ./src/line_editing/copy_cut_paste/underline_left.c
-Norme: ./src/line_editing/copy_cut_paste/underline_reset.c
-Norme: ./src/line_editing/copy_cut_paste/underline_up.c
-Norme: ./src/line_editing/copy_cut_paste/underline_right.c
-Norme: ./src/line_editing/copy_cut_paste/copy_cut_paste.c
-Norme: ./src/line_editing/init_line/init_history.c
-Norme: ./src/line_editing/init_line/init_line.c
-Norme: ./src/line_editing/init_line/init_termcaps.c
-Norme: ./src/line_editing/lib_line_editing/ft_nb_line.c
-Norme: ./src/line_editing/ft_prompt.c
-Norme: ./src/line_editing/get_key.c
-Norme: ./src/line_editing/lib_line_editing/toolz.c
-Norme: ./src/line_editing/lib_line_editing/tool_line.c
-Norme: ./src/line_editing/lib_line_editing/tool_line_2.c
-Norme: ./src/line_editing/lib_line_editing/toolz_parseur.c
-Norme: ./src/line_editing/lib_line_editing/toolz_termcaps.c
-Norme: ./src/line_editing/lib_line_editing/toolz2.c
-Norme: ./src/line_editing/move_term/home_end.c
-Norme: ./src/line_editing/move_term/move_left_and_right.c
-Norme: ./src/line_editing/print_del_completion/completion.c
-Norme: ./src/line_editing/move_term/move_up_and_down.c
-Norme: ./src/line_editing/readline.c
-Norme: ./src/line_editing/resize.c
-Norme: ./src/main/data_exit.c
-Norme: ./src/line_editing/print_del_completion/queue.c
-Norme: ./src/main/data_singleton.c
-Norme: ./src/line_editing/move_term/move_to_word.c
-Norme: ./src/line_editing/print_del_completion/print_and_del.c
-Norme: ./src/main/data_init.c
-Norme: ./src/main/ft_putast.c
-Error (line 15): function ft_putast has 83 lines
-Error (line 15): declarations must be followed by one empty line in ft_putast
-Error (line 19): Empty line
-Error (line 52, col 21): missing space around ==
-Norme: ./src/main/shell_reset.c
-Norme: ./src/main/main.c
-Norme: ./src/main/shell_init.c
-Norme: ./src/parser/add_bang.c
-Norme: ./src/parser/add_case.c
-Norme: ./src/parser/add_condition.c
-Norme: ./src/parser/add_func.c
-Norme: ./src/parser/add_cmd.c
-Norme: ./src/parser/add_number.c
-Norme: ./src/parser/add_sep.c
-Norme: ./src/parser/add_loop.c
-Norme: ./src/parser/add_subshell.c
-Norme: ./src/parser/do_parser_routine.c
-Norme: ./src/parser/error_syntax.c
-Norme: ./src/parser/add_redir.c
-Norme: ./src/parser/build_tree.c
-Norme: ./src/parser/ft_parse.c
-Norme: ./src/parser/parser_destroy.c
-Norme: ./src/parser/parser_init.c
-Norme: ./src/parser/heredoc_parser.c
-Norme: ./src/parser/pop_stack.c
-Norme: ./src/parser/push_stack.c
-Norme: ./src/parser/produce_sym.c
-Norme: ./src/parser/redir_init.c
-Norme: ./src/parser/stack_init.c
-Norme: ./src/parser/sym_free.c
-Norme: ./src/parser/tree_func_free.c
-Norme: ./src/parser/tree_wrapper.c
-Norme: ./src/parser/read_stack.c
-Error (line 15): function read_state has 203 lines
-Norme: ./src/parser/aggregate_sym.c
-Error (line 401): C++ comment
-Error (line 402): C++ comment
-Error (line 403): C++ comment
-Norme: ./src/parser/eval_sym.c
-Error (line 1300): C++ comment

42sh/src/builtin/bt_cd_getpath.c

@@ -0,0 +1,28 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   bt_cd_getpath.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: ariard <ariard@student.42.fr>              +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2017/03/25 03:52:52 by ariard            #+#    #+#             */
+/*   Updated: 2017/03/25 04:05:06 by ariard           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+int			get_cdpath(char *arg)
+{
+	char	*cdpath;
+	char	*target;
+
+	if (!(cdpath = ft_getenv(data_singleton()->env, "CDPATH")))
+	{
+		if (!is_directory(target = ft_str3join(".", "/", arg)))
+			ft_strdel(&target);
+	}
+	else
+		target = create_directory(arg, cdpath);
+	return (target);
+}

42sh/src/builtin/bt_cd_process_dotdot.c

@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   bt_cd_process_dotdot.c                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: ariard <ariard@student.42.fr>              +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2017/03/25 03:54:22 by ariard            #+#    #+#             */
+/*   Updated: 2017/03/25 04:01:03 by ariard           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+int			process_dotdot(char *target)
+{
+	return (0);
+}	

42sh/src/builtin/builtin_cd.c

@@ -6,7 +6,7 @@
 /*   By: jhalford <jhalford@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/12/03 11:57:53 by jhalford          #+#    #+#             */
-/*   Updated: 2017/03/25 01:20:39 by wescande         ###   ########.fr       */
+/*   Updated: 2017/03/25 04:09:23 by ariard           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -40,7 +40,6 @@ static char		*bt_cd_target(char *arg)
 		DG("doing -");
 		if (!(target = ft_getenv(data_singleton()->env, "OLDPWD")))
 			SH_ERR(CDERR_2, "OLDPWD");
-		DG("found OLDPWD %s", target);
 	}
 	else
 		target = arg;

42sh/src/builtin/builtin_new_cd.c

@@ -0,0 +1,98 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   builtin_new_cd.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: ariard <ariard@student.42.fr>              +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2017/03/25 02:00:40 by ariard            #+#    #+#             */
+/*   Updated: 2017/03/25 04:05:49 by ariard           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+#define CD_OPT_L	(1 << 0)
+#define CD_OPT_P	(1 << 1)
+#define HAS_CDOPT_P(x) (x & CD_OPT_P)
+#define HAS_CDOPT_L(x) (x & CD_OPT_L)
+#define CDERR_0		"cd: too many arguments"
+#define CDERR_1		"cd %s not set"
+
+static t_cliopts	g_cdopts[] =
+{
+	{'P', NULL, CD_OPT_P, CD_OPT_L, NULL, 0},
+	{'L', NULL, CD_OPT_L, CD_OPT_P, NULL, 0},
+	{0, NULL, 0, 0, NULL, 0},
+};
+
+static char		*cd_operand_exist(char *arg)
+{
+	char	*target;
+
+	if (!arg)
+	{
+		if (!(target = ft_getenv(data_singleton()->env, "HOME")))
+			SH_ERR(CDERR_1, "HOME");
+	}
+	else
+		target = arg;
+	return (target);
+}
+
+static char			*cd_operand_begin(char *arg)
+{
+	char	*target;
+
+	if (arg && arg[0])
+	{
+		if (arg[0] = '/')
+			target = arg;	
+		else if (arg[0] = '.')
+			target = ft_str3join(ft_getenv(&data_singleton()->env,
+				"PWD"), "/", arg); 
+		else if (ft_strcmp(arg, "-") == 0)
+		{
+			 if (!(target = ft_getenv(data_singleton()->env, "OLDPWD")))
+				 SH_ERR(CDERR_2, "OLDPWD");
+		}
+		else
+			target = get_cdpath(arg);
+	}		
+	return (target);
+}		   		
+
+void			setwd(char *var)
+{
+	char	*cwd;
+
+	cwd = getcwd(NULL, 0);
+	builtin_setenv(NULL, (char*[]){"cd", var, cwd, NULL}, NULL);
+	free(cwd);
+}
+
+int					builtin_cd(const char *path, char *const av[],
+					char *const av[], char *const envp[])
+{
+	char			*target;
+	t_data_template	data;
+
+	(void)envp;
+	(void)path;
+	data.flag = CD_OPT_L;
+	if (cliopts_get((char **av, g_cdopts, &data))
+		return (1);
+	if (data.av_data[0] && data.av_data[1])
+		return (SH_ERR(CDERR_0) && SH_ERR(CD_USAGE));
+	if (!(target = cd_operand_exist(*data.av_data)))
+		return (1);
+	setwd("OLDPWD");
+	if (!target)
+		target = cd_operand_begin(*data.av_data);
+	if (HAS_CDOPT_P(data.flag)) 
+		process_symlink(target);
+	else
+		process_dotdot(target);	
+	setwd("PWD");
+	return (0);
+}

42sh/test.c

@@ -1,7 +0,0 @@
-#include "stdio.h"
-
-int		main(void)
-{
-	printf("hello");
-	return (0);
-}