52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/*
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* libifupdown/dict.h
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* Purpose: wrapping linked lists to provide a naive dictionary
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*
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* Copyright (c) 2020 Ariadne Conill <ariadne@dereferenced.org>
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* Copyright (c) 2020 Maximilian Wilhelm <max@sdn.clinic>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* This software is provided 'as is' and without any warranty, express or
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* implied. In no event shall the authors be liable for any damages arising
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* from the use of this software.
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*/
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#ifndef LIBIFUPDOWN_DICT_H__GUARD
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#define LIBIFUPDOWN_DICT_H__GUARD
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#include "libifupdown/list.h"
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struct lif_dict {
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struct lif_list list;
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};
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struct lif_dict_entry {
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struct lif_node node;
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char *key;
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void *data;
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};
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#define LIF_DICT_FOREACH(iter, dict) \
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LIF_LIST_FOREACH((iter), (dict)->list.head)
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#define LIF_DICT_FOREACH_SAFE(iter, iter_next, dict) \
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LIF_LIST_FOREACH_SAFE((iter), (iter_next), (dict)->list.head)
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#define LIF_DICT_FOREACH_REVERSE(iter, dict) \
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LIF_LIST_FOREACH_REVERSE((iter), (dict)->list.tail)
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typedef int (*lif_dict_cmp_t)(const void *, const void *);
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extern void lif_dict_init(struct lif_dict *dict);
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extern void lif_dict_fini(struct lif_dict *dict);
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extern struct lif_dict_entry *lif_dict_add(struct lif_dict *dict, const char *key, void *data);
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extern struct lif_dict_entry *lif_dict_add_once(struct lif_dict *dict, const char *key, void *data, lif_dict_cmp_t compar);
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extern struct lif_dict_entry *lif_dict_find(const struct lif_dict *dict, const char *key);
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extern struct lif_list *lif_dict_find_all(const struct lif_dict *dict, const char *key);
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extern void lif_dict_delete(struct lif_dict *dict, const char *key);
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extern void lif_dict_delete_entry(struct lif_dict *dict, struct lif_dict_entry *entry);
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#endif
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