(root)/
glib-2.79.0/
girepository/
cmph/
brz.h
       1  #ifndef __CMPH_BRZ_H__
       2  #define __CMPH_BRZ_H__
       3  
       4  #include "cmph.h"
       5  
       6  typedef struct __brz_data_t brz_data_t;
       7  typedef struct __brz_config_data_t brz_config_data_t;
       8  
       9  brz_config_data_t *brz_config_new(void);
      10  void brz_config_set_hashfuncs(cmph_config_t *mph, CMPH_HASH *hashfuncs);
      11  void brz_config_set_tmp_dir(cmph_config_t *mph, cmph_uint8 *tmp_dir);
      12  void brz_config_set_mphf_fd(cmph_config_t *mph, FILE *mphf_fd);
      13  void brz_config_set_b(cmph_config_t *mph, cmph_uint32 b);
      14  void brz_config_set_algo(cmph_config_t *mph, CMPH_ALGO algo);
      15  void brz_config_set_memory_availability(cmph_config_t *mph, cmph_uint32 memory_availability);
      16  void brz_config_destroy(cmph_config_t *mph);
      17  cmph_t *brz_new(cmph_config_t *mph, double c);
      18  
      19  void brz_load(FILE *f, cmph_t *mphf);
      20  int brz_dump(cmph_t *mphf, FILE *f);
      21  void brz_destroy(cmph_t *mphf);
      22  cmph_uint32 brz_search(cmph_t *mphf, const char *key, cmph_uint32 keylen);
      23  
      24  /** \fn void brz_pack(cmph_t *mphf, void *packed_mphf);
      25   *  \brief Support the ability to pack a perfect hash function into a preallocated contiguous memory space pointed by packed_mphf.
      26   *  \param mphf pointer to the resulting mphf
      27   *  \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() 
      28   */
      29  void brz_pack(cmph_t *mphf, void *packed_mphf);
      30  
      31  /** \fn cmph_uint32 brz_packed_size(cmph_t *mphf);
      32   *  \brief Return the amount of space needed to pack mphf.
      33   *  \param mphf pointer to a mphf
      34   *  \return the size of the packed function or zero for failures
      35   */ 
      36  cmph_uint32 brz_packed_size(cmph_t *mphf);
      37  
      38  /** cmph_uint32 brz_search(void *packed_mphf, const char *key, cmph_uint32 keylen);
      39   *  \brief Use the packed mphf to do a search. 
      40   *  \param  packed_mphf pointer to the packed mphf
      41   *  \param key key to be hashed
      42   *  \param keylen key legth in bytes
      43   *  \return The mphf value
      44   */
      45  cmph_uint32 brz_search_packed(void *packed_mphf, const char *key, cmph_uint32 keylen);
      46  
      47  #endif