52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/* Public domain. */
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#ifndef CDB_H
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#define CDB_H
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#include <string.h>
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#include "types.h"
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#define KVLSZ 4
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#if __WIN32__ || __CYGWIN__ || MINGW32
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#define ULLFMT "I64"
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#define USE_MMAN 0
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#else
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#define ULLFMT "ll"
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#define USE_MMAN 1
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#endif
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extern char *alloc(unsigned int n);
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extern void alloc_free(void*);
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extern int alloc_re(void);
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/* TODO THIS MUST GTFO! */
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int getkvlen(int fd, ut32 *klen, ut32 *vlen);
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#define CDB_HASHSTART 5381
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struct cdb {
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char *map; /* 0 if no map is available */
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int fd;
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ut32 size; /* initialized if map is nonzero */
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ut32 loop; /* number of hash slots searched under this key */
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ut32 khash; /* initialized if loop is nonzero */
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ut32 kpos; /* initialized if loop is nonzero */
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ut32 hpos; /* initialized if loop is nonzero */
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ut32 hslots; /* initialized if loop is nonzero */
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ut32 dpos; /* initialized if cdb_findnext() returns 1 */
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ut32 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 *,int fd);
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extern int cdb_read(struct cdb *,char *,unsigned int,ut32);
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extern void cdb_findstart(struct cdb *);
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extern int cdb_findnext(struct cdb *,ut32 u, const char *,unsigned int);
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extern int cdb_find(struct cdb *,const char *,unsigned 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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#endif
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