Commit | Line | Data |
---|---|---|
dc0d77d7 CE |
1 | /* Public domain. */ |
2 | ||
3 | #ifndef CDB_H | |
4 | #define CDB_H | |
5 | ||
6 | #include "uint32.h" | |
7 | ||
8 | #define CDB_HASHSTART 5381 | |
9 | extern uint32 cdb_hashadd(uint32,unsigned char); | |
10 | extern uint32 cdb_hash(const char *,unsigned int); | |
11 | ||
12 | struct cdb { | |
13 | char *map; /* 0 if no map is available */ | |
14 | int fd; | |
15 | uint32 size; /* initialized if map is nonzero */ | |
16 | uint32 loop; /* number of hash slots searched under this key */ | |
17 | uint32 khash; /* initialized if loop is nonzero */ | |
18 | uint32 kpos; /* initialized if loop is nonzero */ | |
19 | uint32 hpos; /* initialized if loop is nonzero */ | |
20 | uint32 hslots; /* initialized if loop is nonzero */ | |
21 | uint32 dpos; /* initialized if cdb_findnext() returns 1 */ | |
22 | uint32 dlen; /* initialized if cdb_findnext() returns 1 */ | |
23 | } ; | |
24 | ||
25 | extern void cdb_free(struct cdb *); | |
26 | extern void cdb_init(struct cdb *,int fd); | |
27 | ||
28 | extern int cdb_read(struct cdb *,char *,unsigned int,uint32); | |
29 | ||
30 | extern void cdb_findstart(struct cdb *); | |
31 | extern int cdb_findnext(struct cdb *,const char *,unsigned int); | |
32 | extern int cdb_find(struct cdb *,const char *,unsigned int); | |
33 | ||
34 | #define cdb_datapos(c) ((c)->dpos) | |
35 | #define cdb_datalen(c) ((c)->dlen) | |
36 | ||
37 | #endif |