#ifndef __CMPH_BMZ_H__ #define __CMPH_BMZ_H__ #include "cmph.h" typedef struct __bmz_data_t bmz_data_t; typedef struct __bmz_config_data_t bmz_config_data_t; bmz_config_data_t *bmz_config_new(void); void bmz_config_set_hashfuncs(cmph_config_t *mph, CMPH_HASH *hashfuncs); void bmz_config_destroy(cmph_config_t *mph); cmph_t *bmz_new(cmph_config_t *mph, double c); void bmz_load(FILE *f, cmph_t *mphf); int bmz_dump(cmph_t *mphf, FILE *f); void bmz_destroy(cmph_t *mphf); cmph_uint32 bmz_search(cmph_t *mphf, const char *key, cmph_uint32 keylen); /** \fn void bmz_pack(cmph_t *mphf, void *packed_mphf); * \brief Support the ability to pack a perfect hash function into a preallocated contiguous memory space pointed by packed_mphf. * \param mphf pointer to the resulting mphf * \param packed_mphf pointer to the contiguous memory area used to store the resulting mphf. The size of packed_mphf must be at least cmph_packed_size() */ void bmz_pack(cmph_t *mphf, void *packed_mphf); /** \fn cmph_uint32 bmz_packed_size(cmph_t *mphf); * \brief Return the amount of space needed to pack mphf. * \param mphf pointer to a mphf * \return the size of the packed function or zero for failures */ cmph_uint32 bmz_packed_size(cmph_t *mphf); /** cmph_uint32 bmz_search(void *packed_mphf, const char *key, cmph_uint32 keylen); * \brief Use the packed mphf to do a search. * \param packed_mphf pointer to the packed mphf * \param key key to be hashed * \param keylen key legth in bytes * \return The mphf value */ cmph_uint32 bmz_search_packed(void *packed_mphf, const char *key, cmph_uint32 keylen); #endif