/usr/include/re/re_hash.h is in libre-dev 0.5.6-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | /**
* @file re_hash.h Interface to hashmap table
*
* Copyright (C) 2010 Creytiv.com
*/
struct hash;
struct pl;
int hash_alloc(struct hash **hp, uint32_t bsize);
void hash_append(struct hash *h, uint32_t key, struct le *le, void *data);
void hash_unlink(struct le *le);
struct le *hash_lookup(const struct hash *h, uint32_t key, list_apply_h *ah,
void *arg);
struct le *hash_apply(const struct hash *h, list_apply_h *ah, void *arg);
struct list *hash_list(const struct hash *h, uint32_t key);
uint32_t hash_bsize(const struct hash *h);
void hash_flush(struct hash *h);
void hash_clear(struct hash *h);
uint32_t hash_valid_size(uint32_t size);
/* Hash functions */
uint32_t hash_joaat(const uint8_t *key, size_t len);
uint32_t hash_joaat_ci(const char *str, size_t len);
uint32_t hash_joaat_str(const char *str);
uint32_t hash_joaat_str_ci(const char *str);
uint32_t hash_joaat_pl(const struct pl *pl);
uint32_t hash_joaat_pl_ci(const struct pl *pl);
uint32_t hash_fast(const char *k, size_t len);
uint32_t hash_fast_str(const char *str);
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