xref: /PHP-7.4/ext/dba/libflatfile/flatfile.h (revision 0cf7de1c)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) The PHP Group                                          |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Author: Marcus Boerger <helly@php.net>                               |
16    +----------------------------------------------------------------------+
17  */
18 
19 #ifndef PHP_LIB_FLATFILE_H
20 #define PHP_LIB_FLATFILE_H
21 
22 typedef struct {
23 	char *dptr;
24 	size_t dsize;
25 } datum;
26 
27 typedef struct {
28 	char *lockfn;
29 	int lockfd;
30 	php_stream *fp;
31 	size_t CurrentFlatFilePos;
32 	datum nextkey;
33 } flatfile;
34 
35 #define FLATFILE_INSERT 1
36 #define FLATFILE_REPLACE 0
37 
38 int flatfile_store(flatfile *dba, datum key_datum, datum value_datum, int mode);
39 datum flatfile_fetch(flatfile *dba, datum key_datum);
40 int flatfile_delete(flatfile *dba, datum key_datum);
41 int flatfile_findkey(flatfile *dba, datum key_datum);
42 datum flatfile_firstkey(flatfile *dba);
43 datum flatfile_nextkey(flatfile *dba);
44 char *flatfile_version();
45 
46 #endif
47