1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 2 #ifndef HASHTABLE_H 3 #define HASHTABLE_H 4 5 #include "array_size.h" 6 #include "list.h" 7 8 #define HASH_SIZE(name) (ARRAY_SIZE(name)) 9 10 #define HASHTABLE_DECLARE(name, size) 11 12 #define HASHTABLE_DEFINE(name, size) 13 HASHTABLE_DECLARE(name, size) = 14 { [0 ... ((size) - 1)] 15 16 #define hash_head(table, key) (&(tab 17 18 /** 19 * hash_add - add an object to a hashtable 20 * @table: hashtable to add to 21 * @node: the &struct hlist_node of the object 22 * @key: the key of the object to be added 23 */ 24 #define hash_add(table, node, key) 25 hlist_add_head(node, hash_head(table, 26 27 /** 28 * hash_for_each - iterate over a hashtable 29 * @table: hashtable to iterate 30 * @obj: the type * to use as a loop cursor fo 31 * @member: the name of the hlist_node within 32 */ 33 #define hash_for_each(table, obj, member) 34 for (int _bkt = 0; _bkt < HASH_SIZE(ta 35 hlist_for_each_entry(obj, &tab 36 37 /** 38 * hash_for_each_possible - iterate over all p 39 * same bucket 40 * @table: hashtable to iterate 41 * @obj: the type * to use as a loop cursor fo 42 * @member: the name of the hlist_node within 43 * @key: the key of the objects to iterate ove 44 */ 45 #define hash_for_each_possible(table, obj, mem 46 hlist_for_each_entry(obj, hash_head(ta 47 48 #endif /* HASHTABLE_H */ 49
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