/usr/include/diet/cdb.h is in libowfat-dietlibc-dev 0.29-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | /* this header file comes from libowfat, http://www.fefe.de/libowfat/ */
#ifndef CDB_H
#define CDB_H
#include "uint32.h"
#include "uint64.h"
#ifdef __cplusplus
extern "C" {
#endif
#define CDB_HASHSTART 5381
extern uint32 cdb_hashadd(uint32 h,unsigned char c);
extern uint32 cdb_hash(const unsigned char *buf,unsigned long int len);
struct cdb {
char *map; /* 0 if no map is available */
int64 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 *,int64 fd);
extern int cdb_read(struct cdb *,unsigned char *,unsigned long int,uint32);
extern void cdb_findstart(struct cdb *);
extern int cdb_findnext(struct cdb *,const unsigned char *,unsigned long int);
extern int cdb_find(struct cdb *,const unsigned char *,unsigned long int);
extern int cdb_firstkey(struct cdb *c,uint32 *kpos);
extern int cdb_nextkey(struct cdb *c,uint32 *kpos);
extern int cdb_successor(struct cdb *c,const unsigned char *,unsigned long int);
#define cdb_datapos(c) ((c)->dpos)
#define cdb_datalen(c) ((c)->dlen)
#define cdb_keypos(c) ((c)->kpos)
#define cdb_keylen(c) ((c)->dpos-(c)->kpos)
#ifdef __cplusplus
}
#endif
#endif
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