ifupdown-ng/libifupdown/dict.h

49 lines
1.7 KiB
C

/*
* libifupdown/dict.h
* Purpose: wrapping linked lists to provide a naive dictionary
*
* Copyright (c) 2020 Ariadne Conill <ariadne@dereferenced.org>
* Copyright (c) 2020 Maximilian Wilhelm <max@sdn.clinic>
*
* 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.
*/
#ifndef LIBIFUPDOWN_DICT_H__GUARD
#define LIBIFUPDOWN_DICT_H__GUARD
#include "libifupdown/list.h"
struct lif_dict {
struct lif_list list;
};
struct lif_dict_entry {
struct lif_node node;
char *key;
void *data;
};
#define LIF_DICT_FOREACH(iter, dict) \
LIF_LIST_FOREACH((iter), (dict)->list.head)
#define LIF_DICT_FOREACH_SAFE(iter, iter_next, dict) \
LIF_LIST_FOREACH_SAFE((iter), (iter_next), (dict)->list.head)
typedef int (*lif_dict_cmp_t)(const void *, const void *);
extern void lif_dict_init(struct lif_dict *dict);
extern void lif_dict_fini(struct lif_dict *dict);
extern struct lif_dict_entry *lif_dict_add(struct lif_dict *dict, const char *key, void *data);
extern struct lif_dict_entry *lif_dict_add_once(struct lif_dict *dict, const char *key, void *data, lif_dict_cmp_t compar);
extern struct lif_dict_entry *lif_dict_find(struct lif_dict *dict, const char *key);
extern struct lif_list *lif_dict_find_all(struct lif_dict *dict, const char *key);
extern void lif_dict_delete(struct lif_dict *dict, const char *key);
extern void lif_dict_delete_entry(struct lif_dict *dict, struct lif_dict_entry *entry);
#endif