diff options
Diffstat (limited to 'include/cdbread.h')
| -rw-r--r-- | include/cdbread.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/cdbread.h b/include/cdbread.h new file mode 100644 index 0000000..bee4fd4 --- /dev/null +++ b/include/cdbread.h @@ -0,0 +1,38 @@ +/* Public domain. */ + +#ifndef CDB_H +#define CDB_H + +#include "uint_t.h" + +#define CDB_HASHSTART 5381ULL +extern uint32 cdb_hashadd(uint32,unsigned char); +extern uint32 cdb_hash(char *,unsigned int); +extern uint32 cdb_unpack(unsigned char *); + +struct cdb { + char *map; /* 0 if no map is available */ + int fd; + uint32 size; /* initialized if map is nonzero */ + uint32 loop; /* number of hash slots searched under this key */ + uint32 khash; /* initialized if loop is nonzero */ + uint32 kpos; /* initialized if loop is nonzero */ + uint32 hpos; /* initialized if loop is nonzero */ + uint32 hslots; /* initialized if loop is nonzero */ + uint32 dpos; /* initialized if cdb_findnext() returns 1 */ + uint32 dlen; /* initialized if cdb_findnext() returns 1 */ +} ; + +extern void cdb_free(struct cdb *); +extern void cdb_init(struct cdb *,int fd); + +extern int cdb_read(struct cdb *,char *,unsigned int,uint32); + +extern void cdb_findstart(struct cdb *); +extern int cdb_findnext(struct cdb *,char *,unsigned int); +extern int cdb_find(struct cdb *,char *,unsigned int); + +#define cdb_datapos(c) ((c)->dpos) +#define cdb_datalen(c) ((c)->dlen) + +#endif |