xref: /php-src/ext/dba/libcdb/cdb_make.h (revision 263b22f3)
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_MAKE_H
20 #define CDB_MAKE_H
21 
22 #include <stdio.h>
23 #include "uint32.h"
24 
25 #define CDB_HPLIST 1000
26 
27 struct cdb_hp {
28 	uint32 h;
29 	uint32 p;
30 };
31 
32 struct cdb_hplist {
33 	struct cdb_hp hp[CDB_HPLIST];
34 	struct cdb_hplist *next;
35 	int num;
36 } ;
37 
38 struct cdb_make {
39 	/* char bspace[8192]; */
40 	char final[2048];
41 	uint32 count[256];
42 	uint32 start[256];
43 	struct cdb_hplist *head;
44 	struct cdb_hp *split; /* includes space for hash */
45 	struct cdb_hp *hash;
46 	uint32 numentries;
47 	/* buffer b; */
48 	uint32 pos;
49 	/* int fd; */
50 	php_stream * fp;
51 };
52 
53 int cdb_make_start(struct cdb_make *, php_stream *);
54 int cdb_make_addbegin(struct cdb_make *, unsigned int, unsigned int);
55 int cdb_make_addend(struct cdb_make *, unsigned int, unsigned int, uint32);
56 int cdb_make_add(struct cdb_make *, char *, unsigned int, char *, unsigned int);
57 int cdb_make_finish(struct cdb_make *);
58 const char *cdb_make_version(void);
59 
60 #endif
61