ed2c609976
Signed-off-by: "Glücksmann, Igor" <igor.glucksmann@avast.com> Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2018 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* hashtbl.h
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*
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* Efficient dictionary hash table class.
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*/
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#ifndef NASM_HASHTBL_H
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#define NASM_HASHTBL_H
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#include "nasmlib.h"
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struct hash_node {
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uint64_t hash;
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const void *key;
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size_t keylen;
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void *data;
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};
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struct hash_table {
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struct hash_node *table;
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size_t load;
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size_t size;
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size_t max_load;
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};
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struct hash_insert {
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struct hash_table *head;
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struct hash_node *where;
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struct hash_node node;
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};
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struct hash_iterator {
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const struct hash_table *head;
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const struct hash_node *next;
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};
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uint64_t crc64(uint64_t crc, const char *string);
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uint64_t crc64i(uint64_t crc, const char *string);
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uint64_t crc64b(uint64_t crc, const void *data, size_t len);
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uint64_t crc64ib(uint64_t crc, const void *data, size_t len);
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#define CRC64_INIT UINT64_C(0xffffffffffffffff)
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static inline uint64_t crc64_byte(uint64_t crc, uint8_t v)
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{
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extern const uint64_t crc64_tab[256];
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return crc64_tab[(uint8_t)(v ^ crc)] ^ (crc >> 8);
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}
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uint32_t crc32b(uint32_t crc, const void *data, size_t len);
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void **hash_find(struct hash_table *head, const char *string,
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struct hash_insert *insert);
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void **hash_findb(struct hash_table *head, const void *key, size_t keylen,
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struct hash_insert *insert);
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void **hash_findi(struct hash_table *head, const char *string,
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struct hash_insert *insert);
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void **hash_findib(struct hash_table *head, const void *key, size_t keylen,
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struct hash_insert *insert);
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void **hash_add(struct hash_insert *insert, const void *key, void *data);
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static inline void hash_iterator_init(const struct hash_table *head,
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struct hash_iterator *iterator)
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{
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iterator->head = head;
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iterator->next = head->table;
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}
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const struct hash_node *hash_iterate(struct hash_iterator *iterator);
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#define hash_for_each(_head,_it,_np) \
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for (hash_iterator_init((_head), &(_it)), (_np) = hash_iterate(&(_it)) ; \
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(_np) ; (_np) = hash_iterate(&(_it)))
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void hash_free(struct hash_table *head);
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void hash_free_all(struct hash_table *head, bool free_keys);
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#endif /* NASM_HASHTBL_H */
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