pwd/exit

srcs/builtins/exit.c

@@ -0,0 +1,50 @@
+#include "../../includes/builtins.h"
+
+int	ft_isnumeric(char *str)
+{
+	int	i;
+
+	i = 0;
+	while (str[i])
+	{
+		if (ft_isdigit(str[i]))
+			i++;
+		else
+			return (0);
+	}
+	return (1);
+}
+
+void	bash_exit(int code)
+{
+	ft_putendl_fd("exit", 2);
+	exit(code);
+}
+
+void	bash_exit_error(char *arg)
+{
+	ft_putendl_fd("exit", 2);
+	ft_put_s_fd("minishell: exit: ", 2);
+	write(2, arg, ft_strlen(arg));
+	ft_putendl_fd(": numeric argument required", 2);
+	exit(2);
+}
+
+void	builtin_exit(char *arg, bool depth)
+{
+	if (depth == true)
+	{
+		if (!ft_isnumeric(arg))
+		{
+			ft_put_s_fd("minishell: exit: ", 2);
+			write(2, arg, ft_strlen(arg));
+			ft_putendl_fd(": numeric argument required", 2);
+			exit(2);
+		}
+		exit(ft_atoi(arg));
+	}
+	if (ft_isnumeric(arg))
+		bash_exit(ft_atoi(arg));
+	else
+		bash_exit_error(arg);
+}