core: rebuild of parsing and the execution

data/data.c

@@ -0,0 +1,25 @@
+#include "./data_private.h"
+
+int	*ft_get_exit_code(void)
+{
+	static int	exit_code = 0;
+
+	return (&exit_code);
+}
+
+int	ft_gen_exit_code(t_data *data)
+{
+	char	*str;
+
+	if (data->exit_code_str != NULL)
+		free(data->exit_code_str);
+	str = ft_itoa(data->exit_code);
+	if (str == NULL)
+	{
+		ft_printf("minishell: malloc failed");
+		return (1);
+	}
+	data->exit_code_str = str;
+	return (0);
+}
+

data/data.h

@@ -0,0 +1,16 @@
+#ifndef DATA_H
+# define DATA_H
+# include "../libftx/libft/list.h"
+
+typedef struct s_data
+{
+	t_list	**env;
+	t_list	**cmds;
+	int		exit_code;
+	char	*exit_code_str;
+}	t_data;
+
+int	*ft_get_exit_code();
+int	ft_gen_exit_code(t_data *data);
+
+#endif

data/data_private.h

@@ -0,0 +1,6 @@
+#ifndef DATA_PRIVATE_H
+# define DATA_PRIVATE_H
+# include "../libftx/libftx.h"
+# include "./data.h"
+
+#endif