1  #ifndef __CMPH_BDZ_H__
       2  #define __CMPH_BDZ_H__
       3  
       4  #include "cmph.h"
       5  
       6  typedef struct __bdz_data_t bdz_data_t;
       7  typedef struct __bdz_config_data_t bdz_config_data_t;
       8  
       9  bdz_config_data_t *bdz_config_new(void);
      10  void bdz_config_set_hashfuncs(cmph_config_t *mph, CMPH_HASH *hashfuncs);
      11  void bdz_config_destroy(cmph_config_t *mph);
      12  void bdz_config_set_b(cmph_config_t *mph, cmph_uint32 b);
      13  cmph_t *bdz_new(cmph_config_t *mph, double c);
      14  
      15  void bdz_load(FILE *f, cmph_t *mphf);
      16  int bdz_dump(cmph_t *mphf, FILE *f);
      17  void bdz_destroy(cmph_t *mphf);
      18  cmph_uint32 bdz_search(cmph_t *mphf, const char *key, cmph_uint32 keylen);
      19  
      20  /** \fn void bdz_pack(cmph_t *mphf, void *packed_mphf);
      21   *  \brief Support the ability to pack a perfect hash function into a preallocated contiguous memory space pointed by packed_mphf.
      22   *  \param mphf pointer to the resulting mphf
      23   *  \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() 
      24   */
      25  void bdz_pack(cmph_t *mphf, void *packed_mphf);
      26  
      27  /** \fn cmph_uint32 bdz_packed_size(cmph_t *mphf);
      28   *  \brief Return the amount of space needed to pack mphf.
      29   *  \param mphf pointer to a mphf
      30   *  \return the size of the packed function or zero for failures
      31   */ 
      32  cmph_uint32 bdz_packed_size(cmph_t *mphf);
      33  
      34  /** cmph_uint32 bdz_search(void *packed_mphf, const char *key, cmph_uint32 keylen);
      35   *  \brief Use the packed mphf to do a search. 
      36   *  \param  packed_mphf pointer to the packed mphf
      37   *  \param key key to be hashed
      38   *  \param keylen key legth in bytes
      39   *  \return The mphf value
      40   */
      41  cmph_uint32 bdz_search_packed(void *packed_mphf, const char *key, cmph_uint32 keylen);
      42  
      43  #endif