-fixes: no more doubles signals, -new: added return messages (signals), generalized cmds struct use and included env in

README.md

@@ -3,17 +3,10 @@
 
 ## TODO :
 - free stack,
-- handle environment,
 - finish built-ins,
-- handle multiples heredocs,
-- better env management
-- j'ai oublié ><'
-- ... ?
 
 ## Notes :
 
 
 ## Issues :
 - cat | cat | ls crash on linux ?
-- segfault on echo $PATH (g_env bad restaured)
-- 

built-in.c

@@ -12,22 +12,19 @@
 
 #include "minishell.h"
 
-int	ft_echo(char *argv[])
+int	ft_echo(t_command *cmd)
 {
 	int		no_nl;
 
-
 	no_nl = 0;
-	if (argv[1])
+	if (*(++cmd->argv))
 	{
-		argv++;
-		if (ft_strncmp(*argv, "-n", 3) == 0 && argv++)
+		if (ft_strncmp(*(cmd->argv), "-n", 3) == 0 && cmd->argv++)
 			no_nl = 1;
-		while (*argv)
+		while (*(cmd->argv))
 		{
-			ft_putstr_fd(*argv, 1);
-			argv++;
-			if (*argv)
+			ft_putstr_fd(*(cmd->argv), 1);
+			if (*(++cmd->argv))
 				ft_putstr_fd(" ", 1);
 		}
 	}
@@ -36,11 +33,11 @@ int	ft_echo(char *argv[])
 	return (0);
 }
 
-int	ft_pwd(char **argv)
+int	ft_pwd(t_command *cmd)
 {
 	char	*dir;
 
-	(void)argv;
+	(void)cmd;
 	dir = ft_calloc(PATHS_MAX_SIZE, sizeof(char));
 	getcwd(dir, PATHS_MAX_SIZE);
 	ft_putstr_fd(dir, 1);
@@ -49,21 +46,21 @@ int	ft_pwd(char **argv)
 	return (0);
 }
 
-int	ft_cd(char **argv)
+int	ft_cd(t_command *cmd)
 {
-	if (argv[1])
+	if (cmd->argv[1])
 	{
-		if (access(argv[1], X_OK))
+		if (access(cmd->argv[1], X_OK))
 		{
-			printf("Minishell: %s: %s: Permission denied\n", argv[0], argv[1]);
+			printf("Minishell: %s: %s: Permission denied\n", cmd->argv[0], cmd->argv[1]);
 			return (0);
 		}
-		else if (access(argv[1], F_OK))
+		else if (access(cmd->argv[1], F_OK))
 		{
-			printf("Minishell: %s: %s: Not a directory\n", argv[0], argv[1]);
+			printf("Minishell: %s: %s: Not a directory\n", cmd->argv[0], cmd->argv[1]);
 			return (0);
 		}
-		chdir(argv[1]);
+		chdir(cmd->argv[1]);
 		return (1);
 	}
 	else

caller.c

@@ -12,21 +12,21 @@
 
 #include "minishell.h"
 
-int	command_call(char *argv[])
+int	command_call(t_command *cmd)
 {
-	if (ft_strncmp(argv[0], "echo", 5) == 0)
-		return (ft_echo(argv));
-	else if (ft_strncmp(argv[0], "pwd", 4) == 0)
-		return (ft_pwd(argv));
-	else if (ft_strncmp(argv[0], "cd", 3) == 0)
-		return (ft_cd(argv));
-	else if (ft_strncmp(argv[0], "export", 7) == 0)
-		return (ft_export(argv));
-	else if (ft_strncmp(argv[0], "unset", 6) == 0)
-		return (ft_unset(argv));
-	else if (ft_strncmp(argv[0], "env", 4) == 0)
-		return (ft_env(argv));
-	else if (ft_strncmp(argv[0], "exit", 5) == 0)
+	if (ft_strncmp(cmd->argv[0], "echo", 5) == 0)
+		return (ft_echo(cmd));
+	else if (ft_strncmp(cmd->argv[0], "pwd", 4) == 0)
+		return (ft_pwd(cmd));
+	else if (ft_strncmp(cmd->argv[0], "cd", 3) == 0)
+		return (ft_cd(cmd));
+	else if (ft_strncmp(cmd->argv[0], "export", 7) == 0)
+		return (ft_export(cmd));
+	else if (ft_strncmp(cmd->argv[0], "unset", 6) == 0)
+		return (ft_unset(cmd));
+	else if (ft_strncmp(cmd->argv[0], "env", 4) == 0)
+		return (ft_env(cmd));
+	else if (ft_strncmp(cmd->argv[0], "exit", 5) == 0)
 		return (close_minishell(0));
 	else
 	{
@@ -35,25 +35,25 @@ int	command_call(char *argv[])
 	}
 }
 
-void	exe(char *argv[], char *const envp[])
+void	exe(t_command *cmd)
 {
 	char	**path_dirs;
 	char	*path;
 	size_t	path_length;
 
-	if (ft_strchr(argv[0], '/'))
-		execve(argv[0], argv, envp);
+	if (ft_strchr(cmd->argv[0], '/'))
+		execve(cmd->argv[0], cmd->argv, *cmd->envp);
 	else
 	{
 		path_dirs = ft_split(getenv("PATH"), ':');
 		while (path_dirs)
 		{
-			path_length = ft_strlen(*path_dirs) + ft_strlen(argv[0]) + 2;
+			path_length = ft_strlen(*path_dirs) + ft_strlen(cmd->argv[0]) + 2;
 			path = ft_calloc(path_length, sizeof(char));
 			ft_memcpy(path, *path_dirs, ft_strlen(*path_dirs));
 			ft_memcpy(path + ft_strlen(*path_dirs),"/", 1);
-			ft_memcpy(path + ft_strlen(*path_dirs) + 1, argv[0], ft_strlen(argv[0]));
-			execve(path, argv, envp);
+			ft_memcpy(path + ft_strlen(*path_dirs) + 1, cmd->argv[0], ft_strlen(cmd->argv[0]));
+			execve(path, cmd->argv, *cmd->envp);
 			path_dirs++;
 		}
 	}

env.c

@@ -12,9 +12,9 @@
 
 #include "minishell.h"
 
-int	ft_unset(char **argv)
+int	ft_unset(t_command *cmd)
 {
-	if (!argv[1])
+	if (!cmd->argv[1])
 	{
 		//read(input_fd, PIPE_MAX_SIZE);
 		return (1);
@@ -22,15 +22,14 @@ int	ft_unset(char **argv)
 	return (0);
 }
 
-int	ft_env(char **argv)
+int	ft_env(t_command *cmd)
 {
-	(void)argv;
 	int i;
 
 	i = 0;
-	while (g_env[i])
+	while ((*cmd->envp)[i])
 	{
-		printf("%s\n", g_env[i]);
+		printf("%s\n", (*cmd->envp)[i]);
 		i++;
 	}
 	return (0);
@@ -51,31 +50,31 @@ int	is_valid_identifier(char *ident)
 	return (0);
 }
 
-int	ft_export(char **argv)
+int	ft_export(t_command *cmd)
 {
 	char	**new;
 	char	**env;
 	int		i;
 
 	i = 0;
-	new = ft_split(argv[1], '=');
+	new = ft_split(cmd->argv[1], '=');
 	if (!is_valid_identifier(new[0]))
 	{
 		printf ("export: not an identifier: %s\n", new[0]);
 		return (0);
 	}
-	while (g_env[i])
+	while ((*cmd->envp)[i])
 	{
-		env = ft_split(g_env[i], '=');
+		env = ft_split((*cmd->envp)[i], '=');
 		if (!ft_strncmp(new[0], env[0], ft_strlen(new[0]) + 1))
 		{
-			g_env[i] = argv[1];
+			(*cmd->envp)[i] = cmd->argv[1];
 			return (1);
 		}
 		i++;
 	}
-	g_env[i] = argv[1];
-	g_env[i + 1] = NULL;
+	(*cmd->envp)[i] = cmd->argv[1];
+	(*cmd->envp)[i + 1] = NULL;
 	return (1);
 }
 

lexer.c

@@ -88,27 +88,22 @@ int	check_register(t_lexer *lex, char **line, char *tmp)
 
 int	replace_var(char **line, char *tmp, int tmp_i)
 {
-	char	**env;
+	int		len;
 	int		i;
 	char	*var_name;
+	char	*value;
+
 	
 	// TODO : free split and var_name
 	i = 1;
-	env = NULL;
 	while (ft_isalpha((*line)[i]) || ft_isdigit((*line)[i]) || (*line)[i] == '_')
 		i++;
 	var_name = ft_substr(*line, 1, i - 1);
+	value = getenv(var_name);
+	len = ft_strlen(value);
 	i = 0;
-	while (g_env[i])
-	{
-		env = ft_split(g_env[i], '=');
-		if (!ft_strncmp(var_name, env[0], ft_strlen(var_name) + 1))
-			break ;
-		i++;
-	}
-	i = 0;
-	while (env[1][i])
-		tmp[tmp_i++] = env[1][i++];
+	while (i < len)
+		tmp[tmp_i++] = value[i++];
 	tmp[tmp_i] = 0;
 	*line += i;
 	return (tmp_i);

minishell.c

@@ -12,8 +12,6 @@
 
 # include "minishell.h"
 
-char **g_env;
-
 int	caller(t_command *cmd)
 {
 	pid_t	pid;
@@ -33,21 +31,25 @@ int	caller(t_command *cmd)
 			dup2(cmd->fd[0], STDIN_FILENO);
 		if (cmd->fd[1])
 			dup2(cmd->fd[1], STDOUT_FILENO);
-		if (command_call(cmd->argv) == -1)	
-			exe(cmd->argv, cmd->envp);
+		if (command_call(cmd) == -1)	
+			exe(cmd);
 		exit(1);
 	}
 	if (cmd->fd[1])
 		close(cmd->fd[1]);
 	if (cmd->next)
 		return (caller(cmd->next));
+	waitpid(pid, &status, 0);
+	if (WIFEXITED(status) && WEXITSTATUS(status))
+		write(1, "\n", 1);
+	if (WIFSIGNALED(status))
+		printf("QUIT: %d\n", WTERMSIG(status));
 	if (cmd->fd[0])
 		close(cmd->fd[0]);
-	waitpid(pid, &status, 0);
 	return (1);
 }
 
-t_command	*parser(t_token	*tok, t_command *prev)
+t_command	*parser(char ***envp, t_token *tok, t_command *prev)
 {
 	int 		i;
 	t_command	*cmd;
@@ -60,6 +62,7 @@ t_command	*parser(t_token	*tok, t_command *prev)
 	i = 0;
 	cmd->argc = count_arguments(tok);
 	cmd->argv = ft_calloc(cmd->argc + 1, sizeof(char *));
+	cmd->envp = envp;
 	while(tok && tok->type != PIPE)
 	{
 		if (tok->type)
@@ -73,7 +76,7 @@ t_command	*parser(t_token	*tok, t_command *prev)
 				cmd->argv[0], cmd->argc,  cmd->fd[0], cmd->fd[1]);
 	cmd->argv[i] = NULL;
 	if (tok && tok->type == PIPE)
-		cmd->next = parser(tok->next, cmd);
+		cmd->next = parser(envp, tok->next, cmd);
 	return (cmd);
 }
 
@@ -112,9 +115,6 @@ int	main(int argc, char **argv, char**envp)
 	char *line;
 	if (argc < 2)
 		(void)argv;
-	g_env = envp;
-	signal(SIGINT, sigs_handler);
-	signal(SIGQUIT, sigs_handler);
 	while (1)
 	{
 		termios(0);
@@ -124,7 +124,7 @@ int	main(int argc, char **argv, char**envp)
 			halt(EXIT_FAILURE);
 		if (is_empty(line))
 			continue ;
-		caller(parser(lexer(line), NULL));
+		caller(parser(&envp, lexer(line), NULL));
 		add_history(line);
 	}
 	clear_history();

minishell.h

@@ -31,19 +31,28 @@
 # include <errno.h>
 # include <termios.h>
 
-extern char **g_env;
+typedef	struct	s_command
+{
+	int					argc;
+	char				**argv;
+	char				***envp;
+	int					fd[2];
+	char				*heredoc;
+	struct s_command	*next;
+	struct s_command	*prev;
+}	t_command;
 
 // ----------------------------------Utils.c
-int	ft_echo(char **argv);
-int	ft_pwd(char **argv);
-int	ft_cd(char **argv);
+int	ft_echo(t_command *cmd);
+int	ft_pwd(t_command *cmd);
+int	ft_cd(t_command *cmd);
 int	close_minishell(int exit_code);
 
 // ----------------------------------Utils.c
-int	ft_unset(char **argv);
-int	ft_env(char **argv);
+int	ft_unset(t_command *cmd);
+int	ft_env(t_command *cmd);
 int	is_valid_identifier(char *ident);
-int	ft_export(char **argv);
+int	ft_export(t_command *cmd);
 
 // ----------------------------------Utils.c
 
@@ -53,20 +62,8 @@ void	termios(int ctl);
 void	sigs_handler(int sig_num);
 
 // ----------------------------------Caller.c
-
-typedef	struct	s_command
-{
-	int					argc;
-	char				**argv;
-	char				**envp;
-	int					fd[2];
-	char				*heredoc;
-	struct s_command	*next;
-	struct s_command	*prev;
-}	t_command;
-
-void	exe(char *argv[], char *const envp[]);
-int		command_call(char *argv[]);
+void	exe(t_command *cmd);
+int		command_call(t_command *cmd);
 
 // ----------------------------------Parser.c
 

parser.c

@@ -37,7 +37,7 @@ size_t	count_arguments(t_token *tok)
 	ret = 0;
 	while (tok && tok->type != PIPE)
 	{
-		if (!tok->type)
+		if (!tok->type == WORD)
 			ret++;
 		tok = tok->next;
 	}

utils.c

@@ -23,6 +23,14 @@ int	is_empty(char *line)
 	return (1);
 }
 
+void	nothing(int sig_num)
+{
+	(void)sig_num;
+	//if (sig_num == SIGQUIT)
+	//	write(1, "QUIT: 3\n", 8);
+	//else if (sig_num == SIGINT)
+	//	write(1, "\n", 1);
+}
 void	termios(int ctl)
 {
 	struct termios	termios_p;
@@ -34,18 +42,24 @@ void	termios(int ctl)
 	//termios_p.c_oflag &= CRDLY;
 	//termios_p.c_lflag &= ICANON;
 	if (ctl)
+	{
 		termios_p.c_lflag |= ECHOCTL;	
+		signal(SIGINT, nothing);
+		signal(SIGQUIT, nothing);
+	}
 	else
+	{
 		termios_p.c_lflag &= ~(ECHOCTL);
+		signal(SIGINT, sigs_handler);
+		signal(SIGQUIT, sigs_handler);
+	}
 	termios_p.c_cc[VQUIT] = ctl * 28;
 	tcsetattr(tty, TCSANOW, &termios_p);
 }
 
 void	sigs_handler(int sig_num)
 {
-	if (sig_num == SIGQUIT)
-		printf("QUIT: 3\n");
-	else if (sig_num == SIGINT)
+	if (sig_num == SIGINT)
 		printf("\n");
 	rl_on_new_line();
 	rl_replace_line("", 0);