save commit

minishell-codex/src/core/init.c

@@ -0,0 +1,18 @@
+#include "minishell.h"
+
+void ms_init(t_shell *sh, char **envp)
+{
+	memset(sh, 0, sizeof(*sh));
+	sh->interactive = isatty(STDIN_FILENO);
+	sh->exit_status = 0;
+	sh->last_status = 0;
+	sh->exit_requested = 0;
+	env_init(sh, envp);
+	ms_setup_signals(sh);
+}
+
+void ms_cleanup(t_shell *sh)
+{
+	env_clear(sh);
+	rl_clear_history();
+}

minishell-codex/src/core/loop.c

@@ -0,0 +1,46 @@
+#include "minishell.h"
+
+static void handle_line(t_shell *sh, char *line)
+{
+	int error = 0;
+	t_token *toks = NULL;
+	t_pipeline *p = NULL;
+
+	toks = lex_line(line, &error);
+	if (error)
+	{
+		free_tokens(toks);
+		return;
+	}
+	p = parse_tokens(toks, &error);
+	free_tokens(toks);
+	if (error || !p)
+	{
+		free_pipeline(p);
+		return;
+	}
+	if (expand_pipeline(p, sh) != 0)
+	{
+		free_pipeline(p);
+		return;
+	}
+	sh->exit_status = execute_pipeline(p, sh);
+	sh->last_status = sh->exit_status;
+	free_pipeline(p);
+}
+
+void ms_loop(t_shell *sh)
+{
+	char *line;
+
+	while (!sh->exit_requested)
+	{
+		line = readline(MS_PROMPT);
+		if (!line)
+			break;
+		if (line[0] != '\0')
+			add_history(line);
+		handle_line(sh, line);
+		free(line);
+	}
+}

minishell-codex/src/core/signals.c

@@ -0,0 +1,46 @@
+#include "minishell.h"
+
+int g_signal = 0;
+
+static void sigint_handler(int sig)
+{
+	g_signal = sig;
+	write(STDOUT_FILENO, "\n", 1);
+	rl_on_new_line();
+	rl_replace_line("", 0);
+	rl_redisplay();
+}
+
+static void sigquit_handler(int sig)
+{
+	g_signal = sig;
+	(void)sig;
+}
+
+void ms_setup_signals(t_shell *sh)
+{
+	struct sigaction sa_int;
+	struct sigaction sa_quit;
+
+	(void)sh;
+	memset(&sa_int, 0, sizeof(sa_int));
+	memset(&sa_quit, 0, sizeof(sa_quit));
+	sa_int.sa_handler = sigint_handler;
+	sa_quit.sa_handler = sigquit_handler;
+	sigemptyset(&sa_int.sa_mask);
+	sigemptyset(&sa_quit.sa_mask);
+	sigaction(SIGINT, &sa_int, NULL);
+	sigaction(SIGQUIT, &sa_quit, NULL);
+}
+
+void ms_set_child_signals(void)
+{
+	signal(SIGINT, SIG_DFL);
+	signal(SIGQUIT, SIG_DFL);
+}
+
+void ms_set_heredoc_signals(void)
+{
+	signal(SIGINT, SIG_DFL);
+	signal(SIGQUIT, SIG_IGN);
+}