/*
 * libifupdown/state.h
 * Purpose: state management
 *
 * Copyright (c) 2020 Ariadne Conill <ariadne@dereferenced.org>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * This software is provided 'as is' and without any warranty, express or
 * implied.  In no event shall the authors be liable for any damages arising
 * from the use of this software.
 */

#include <string.h>
#include "libifupdown/state.h"

void
lif_state_upsert(struct lif_dict *state, const char *ifname, struct lif_interface *iface)
{
	lif_dict_add(state, ifname, strdup(iface->ifname));
}

void
lif_state_delete(struct lif_dict *state, const char *ifname)
{
	struct lif_dict_entry *entry = lif_dict_find(state, ifname);

	if (entry == NULL)
		return;

	free(entry->data);
	lif_dict_delete_entry(state, entry);
}

void
lif_state_write(const struct lif_dict *state, FILE *f)
{
	struct lif_node *iter;

	LIF_DICT_FOREACH(iter, state)
	{
		struct lif_dict_entry *entry = iter->data;

		fprintf(f, "%s=%s\n", entry->key, (const char *) entry->data);
	}
}