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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* incorporated from D.J.Bernstein's cdb-0.75 (http://cr.yp.to/cdb.html)*/
#ifndef CDB_H
#define CDB_H
#include "uint32.h"
#define CDB_HASHSTART 5381
struct cdb {
php_stream *fp;
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 */
};
uint32 cdb_hash(char *, unsigned int);
void cdb_free(struct cdb *);
void cdb_init(struct cdb *, php_stream *fp);
int cdb_read(struct cdb *, char *, unsigned int, uint32);
void cdb_findstart(struct cdb *);
int cdb_findnext(struct cdb *, char *, unsigned int);
int cdb_find(struct cdb *, char *, unsigned int);
#define cdb_datapos(c) ((c)->dpos)
#define cdb_datalen(c) ((c)->dlen)
char *cdb_version();
#endif
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