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39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
#ifndef _MAP_H_
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#define _MAP_H_
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struct map_item {
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unsigned int key;
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};
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struct map_entry;
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struct map {
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unsigned int size;
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unsigned int count;
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struct map_entry *data;
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};
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int map_create(struct map *map);
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void map_destroy(struct map *map);
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void map_clear(struct map *map, void (*release)(struct map_item *));
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int map_put(struct map *map, unsigned int key, struct map_item *v);
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int map_reput(struct map *map, unsigned int key, struct map_item *v,
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struct map_item **old);
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int map_contains(const struct map *map, unsigned int key);
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struct map_item *map_get(const struct map *map, unsigned int key);
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int map_remove(struct map *map, unsigned int key);
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unsigned int map_length(struct map *map);
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struct map_entry *map_iter_first(const struct map *map);
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struct map_entry *map_iter_next(const struct map *map, struct map_entry *iter);
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struct map_item *map_iter_item(struct map_entry *iter);
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#define map_for_each(map, iter) \
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for (iter = map_iter_first(map); iter; iter = map_iter_next(map, iter))
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#define map_iter_data(iter, type, member) \
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container_of(map_iter_item(iter), type, member)
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#endif
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