From 5e9ccbfa34a723850cbe0c4afc40e37711010394 Mon Sep 17 00:00:00 2001
From: narnaud <narnaud@c2r9p1.42nice.fr>
Date: Thu, 5 May 2022 11:52:11 +0200
Subject: [PATCH] -new: handle 0

---
 lexer.c     | 39 ++++++++++++++++++++++++++++-----------
 minishell.c | 37 ++++++++++++++++++++++---------------
 minishell.h |  4 ++--
 3 files changed, 52 insertions(+), 28 deletions(-)

diff --git a/lexer.c b/lexer.c
index 8ad6848..dded372 100644
--- a/lexer.c
+++ b/lexer.c
@@ -6,7 +6,7 @@
 /*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/05/02 13:44:57 by narnaud           #+#    #+#             */
-/*   Updated: 2022/05/05 08:43:52 by narnaud          ###   ########.fr       */
+/*   Updated: 2022/05/05 11:47:15 by narnaud          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -85,25 +85,42 @@ int	check_register(t_lexer *lex, char **line, char *tmp)
 	return (create_token(lex, tmp));
 }
 
-int	replace_var(char **line, char *tmp, int tmp_i)
+char *ft_strreplace(char *dest, char *src)
 {
-	int		len;
+	int	len;
+
+	len = ft_strlen(src);
+	while (*src)
+		*(dest++) = *(src++);
+	return (dest);
+}
+
+int	replace_var(t_datas *datas, char **line, char *tmp, int tmp_i)
+{
+	int		name_len;
 	int		i;
 	char	*var_name;
 	char	*value;
 
-	// TODO : free split and var_name
 	i = 1;
-	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);
+	if ((*line)[1] == '?')
+	{
+		value = ft_itoa(datas->exit_code);
+		name_len = 2;
+	}
+	else
+	{
+		while (ft_isalpha((*line)[i]) || ft_isdigit((*line)[i]) || (*line)[i] == '_')
+			i++;
+		var_name = ft_substr(*line, 1, i - 1);
+		value = getenv(var_name);
+		name_len = ft_strlen(var_name) + 1;
+	}
 	i = 0;
-	while (i < len)
+	while (value[i])
 		tmp[tmp_i++] = value[i++];
 	tmp[tmp_i] = 0;
-	*line += ft_max(ft_strlen(var_name) + 1, i);
+	*line += ft_max(name_len, i);
 	return (tmp_i);
 }
 
diff --git a/minishell.c b/minishell.c
index 8cfe659..55bdbaa 100644
--- a/minishell.c
+++ b/minishell.c
@@ -6,12 +6,28 @@
 /*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/05/02 12:14:09 by narnaud           #+#    #+#             */
-/*   Updated: 2022/05/05 11:10:24 by narnaud          ###   ########.fr       */
+/*   Updated: 2022/05/05 11:49:53 by narnaud          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 # include "minishell.h"
 
+void	handle_status(t_datas *datas, int status)
+{
+	if (WIFSIGNALED(status))
+	{
+		datas->exit_code = WTERMSIG(status);
+		if (datas->exit_code == 3)
+			printf("Quit: 3\n");
+		if (datas->exit_code == 9)
+			printf("Kill: 15\n");
+		if (datas->exit_code == 15)
+			printf("Terminated: 15\n");
+	}
+	else
+		datas->exit_code = WEXITSTATUS(status);
+}
+
 int	caller(t_datas *datas, t_command *cmd)
 {
 	pid_t	pid;
@@ -40,18 +56,9 @@ int	caller(t_datas *datas, t_command *cmd)
 	if (cmd->fd[1])
 		close(cmd->fd[1]);
 	if (cmd->next)
-		return (caller(datas, cmd->next));
+		caller(datas, cmd->next);
 	waitpid(pid, &status, 0);
-	if (WIFSIGNALED(status))
-	{
-		datas->exit_code = WTERMSIG(status);
-		if (datas->exit_code == 3)
-			printf("Quit: 3\n");
-		if (datas->exit_code == 9)
-			printf("Kill: 15\n");
-		if (datas->exit_code == 15)
-			printf("Terminated: 15\n");
-	}
+	handle_status(datas, status);
 	if (cmd->fd[0])
 		close(cmd->fd[0]);
 	return (1);
@@ -86,7 +93,7 @@ t_command	*parser(t_token *tok, t_command *prev)
 	return(cmd);
 }
 
-t_token	*lexer(char *line)
+t_token	*lexer(t_datas *datas, char *line)
 {
 	t_lexer	*lex;
 	char	*tmp;
@@ -101,7 +108,7 @@ t_token	*lexer(char *line)
 		if (check_state(lex, &line))
 			continue;
 		if (lex->state != S_QUOTE_ST && *line == '$')
-			tmp_i = replace_var(&line, tmp, tmp_i);
+			tmp_i = replace_var(datas, &line, tmp, tmp_i);
 		if (check_register(lex, &line, tmp))
 		{
 			tmp_i = 0;
@@ -134,7 +141,7 @@ int	main(int argc, char **argv, char **envp)
 			halt(EXIT_FAILURE);
 		if (is_empty(line))
 			continue ;
-		caller(&datas, parser(lexer(line), NULL));
+		caller(&datas, parser(lexer(&datas, line), NULL));
 		add_history(line);
 	}
 	clear_history();
diff --git a/minishell.h b/minishell.h
index 8566bd1..2b14e9a 100644
--- a/minishell.h
+++ b/minishell.h
@@ -6,7 +6,7 @@
 /*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/05/02 13:50:44 by narnaud           #+#    #+#             */
-/*   Updated: 2022/05/05 09:38:23 by narnaud          ###   ########.fr       */
+/*   Updated: 2022/05/05 11:35:09 by narnaud          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -111,7 +111,7 @@ typedef struct s_lex
 
 int	create_token(t_lexer *lex, char str[]);
 int	check_register(t_lexer *lex, char **line, char *tmp);
-int	replace_var(char **line, char *tmp, int tmp_i);
+int	replace_var(t_datas *datas, char **line, char *tmp, int tmp_i);
 int	check_state(t_lexer *lex, char **line);
 
 #endif