diff options
Diffstat (limited to 'girepository/cmph/bmz.h')
| -rw-r--r-- | girepository/cmph/bmz.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/girepository/cmph/bmz.h b/girepository/cmph/bmz.h new file mode 100644 index 00000000..ee5f61dd --- /dev/null +++ b/girepository/cmph/bmz.h @@ -0,0 +1,42 @@ +#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 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 |