Add basic command line

* Initialize terminal and signal handling
* Add basic repl that doesn't do anything yet
* Add handling for Ctrl-C, Ctrl-D and Ctrl-\ in interactive mode

1 files changed, 38 insertions, 0 deletions

diff --git a/src/signal_handling.c b/src/signal_handling.c
new file mode 100644
index 0000000..a19fa94
--- /dev/null
+++ b/src/signal_handling.c
@@ -0,0 +1,38 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   signal_handling.c                                  :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/06/24 15:08:43 by dkaiser           #+#    #+#             */
+/*   Updated: 2024/06/25 13:33:26 by dkaiser          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+static void	handle_sigint(int status);
+static void	handle_sigquit(int status);
+
+int	init_signal_handling(void)
+{
+	if (signal(SIGINT, &handle_sigint) == SIG_ERR)
+		return (1);
+	if (signal(SIGQUIT, &handle_sigquit) == SIG_ERR)
+		return (1);
+	return (0);
+}
+
+static void	handle_sigint(__attribute__((unused)) int status)
+{
+	write(1, "\n", 1);
+	rl_replace_line("", 0);
+	rl_on_new_line();
+	rl_redisplay();
+}
+
+static void	handle_sigquit(__attribute__((unused)) int status)
+{
+	rl_redisplay();
+}