1 /* 2 +----------------------------------------------------------------------+ 3 | Copyright (c) The PHP Group | 4 +----------------------------------------------------------------------+ 5 | This source file is subject to version 3.01 of the PHP license, | 6 | that is bundled with this package in the file LICENSE, and is | 7 | available through the world-wide-web at the following url: | 8 | https://www.php.net/license/3_01.txt | 9 | If you did not receive a copy of the PHP license and are unable to | 10 | obtain it through the world-wide-web, please send a note to | 11 | license@php.net so we can mail you a copy immediately. | 12 +----------------------------------------------------------------------+ 13 | Author: Marcus Boerger <helly@php.net> | 14 +----------------------------------------------------------------------+ 15 */ 16 17 /* incorporated from D.J.Bernstein's cdb-0.75 (http://cr.yp.to/cdb.html)*/ 18 19 #ifndef CDB_H 20 #define CDB_H 21 22 #include "uint32.h" 23 24 #define CDB_HASHSTART 5381 25 26 struct cdb { 27 php_stream *fp; 28 uint32 loop; /* number of hash slots searched under this key */ 29 uint32 khash; /* initialized if loop is nonzero */ 30 uint32 kpos; /* initialized if loop is nonzero */ 31 uint32 hpos; /* initialized if loop is nonzero */ 32 uint32 hslots; /* initialized if loop is nonzero */ 33 uint32 dpos; /* initialized if cdb_findnext() returns 1 */ 34 uint32 dlen; /* initialized if cdb_findnext() returns 1 */ 35 }; 36 37 uint32 cdb_hash(char *, unsigned int); 38 39 void cdb_free(struct cdb *); 40 void cdb_init(struct cdb *, php_stream *fp); 41 42 int cdb_read(struct cdb *, char *, unsigned int, uint32); 43 44 void cdb_findstart(struct cdb *); 45 int cdb_findnext(struct cdb *, char *, unsigned int); 46 int cdb_find(struct cdb *, char *, unsigned int); 47 48 #define cdb_datapos(c) ((c)->dpos) 49 #define cdb_datalen(c) ((c)->dlen) 50 51 const char *cdb_version(void); 52 53 #endif 54
