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/*
* Copyright (C) 2008 Stig Venaas <venaas@uninett.no>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*/
#ifndef SYS_SOLARIS9
#include <stdint.h>
#endif
struct hash {
struct list *hashlist;
pthread_mutex_t mutex;
};
struct hash_entry {
void *key;
uint32_t keylen;
void *data;
struct list_node *next; /* used when walking through hash */
};
/* allocates and initialises hash structure; returns NULL if malloc fails */
struct hash *hash_create();
/* frees all memory associated with the hash */
void hash_destroy(struct hash *hash);
/* insert entry in hash; returns 1 if ok, 0 if malloc fails */
int hash_insert(struct hash *hash, void *key, uint32_t keylen, void *data);
/* reads entry from hash */
void *hash_read(struct hash *hash, void *key, uint32_t keylen);
/* extracts (read and remove) entry from hash */
void *hash_extract(struct hash *hash, void *key, uint32_t keylen);
/* returns first entry */
struct hash_entry *hash_first(struct hash *hash);
/* returns the next entry after the argument */
struct hash_entry *hash_next(struct hash_entry *entry);
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