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52 lines
1.6 KiB
52 lines
1.6 KiB
/* this header file comes from libowfat, http://www.fefe.de/libowfat/ */ |
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#ifndef CDB_H |
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#define CDB_H |
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#include "uint32.h" |
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#include "uint64.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#define CDB_HASHSTART 5381 |
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extern uint32 cdb_hashadd(uint32 h,unsigned char c); |
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extern uint32 cdb_hash(const unsigned char *buf,unsigned long int len); |
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struct cdb { |
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char *map; /* 0 if no map is available */ |
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int64 fd; |
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uint32 size; /* initialized if map is nonzero */ |
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uint32 loop; /* number of hash slots searched under this key */ |
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uint32 khash; /* initialized if loop is nonzero */ |
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uint32 kpos; /* initialized if loop is nonzero */ |
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uint32 hpos; /* initialized if loop is nonzero */ |
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uint32 hslots; /* initialized if loop is nonzero */ |
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uint32 dpos; /* initialized if cdb_findnext() returns 1 */ |
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uint32 dlen; /* initialized if cdb_findnext() returns 1 */ |
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} ; |
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extern void cdb_free(struct cdb *); |
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extern void cdb_init(struct cdb *,int64 fd); |
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extern int cdb_read(struct cdb *,unsigned char *,unsigned long int,uint32); |
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extern void cdb_findstart(struct cdb *); |
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extern int cdb_findnext(struct cdb *,const unsigned char *,unsigned long int); |
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extern int cdb_find(struct cdb *,const unsigned char *,unsigned long int); |
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extern int cdb_firstkey(struct cdb *c,uint32 *kpos); |
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extern int cdb_nextkey(struct cdb *c,uint32 *kpos); |
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extern int cdb_successor(struct cdb *c,const unsigned char *,unsigned long int); |
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#define cdb_datapos(c) ((c)->dpos) |
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#define cdb_datalen(c) ((c)->dlen) |
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#define cdb_keypos(c) ((c)->kpos) |
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#define cdb_keylen(c) ((c)->dpos-(c)->kpos) |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif
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