Fixing builtin which needed to not be run in a child process, Added exit builtin

1 files changed, 23 insertions, 2 deletions

diff --git a/src/builtin/exit.c b/src/builtin/exit.c
index 1e6ec45..aa5d10b 100644
--- a/src/builtin/exit.c
+++ b/src/builtin/exit.c
@@ -6,7 +6,7 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/04/01 17:10:16 by charles           #+#    #+#             */
-/*   Updated: 2020/04/01 17:10:17 by charles          ###   ########.fr       */
+/*   Updated: 2020/06/23 10:03:39 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,7 +19,28 @@
 
 int	builtin_exit(char **argv, t_env env)
 {
-	(void)argv;
+	int	status;
+
 	(void)env;
+	if (argv[1] == NULL)
+		status = 0;
+	else if (argv[2] != NULL)
+	{
+		// replace with minishell error system
+		ft_putendl_fd("minishell: exit: too many arguments", STDERR_FILENO);
+		return 1;
+	}
+	else
+	{
+		errno = 0;
+		status = ft_atoi_strict(argv[1]);
+		if (errno != 0)
+		{
+			// replace with minishell error system
+			ft_putendl_fd("minishell: exit: ---argv[1]---: numeric argument required", STDERR_FILENO);
+			return 2;
+		}
+	}
+	exit(status % 256);
 	return (0);
 }