xref: /PHP-8.2/ext/spl/spl_dllist.h (revision b73f139c)
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    | Authors: Etienne Kneuss <colder@php.net>                             |
14    +----------------------------------------------------------------------+
15  */
16 
17 #ifndef SPL_DLLIST_H
18 #define SPL_DLLIST_H
19 
20 #include "php.h"
21 #include "php_spl.h"
22 
23 #define SPL_DLLIST_IT_KEEP   0x00000000
24 #define SPL_DLLIST_IT_FIFO   0x00000000 /* FIFO flag makes the iterator traverse the structure as a FirstInFirstOut */
25 #define SPL_DLLIST_IT_DELETE 0x00000001 /* Delete flag makes the iterator delete the current element on next */
26 #define SPL_DLLIST_IT_LIFO   0x00000002 /* LIFO flag makes the iterator traverse the structure as a LastInFirstOut */
27 #define SPL_DLLIST_IT_MASK   0x00000003 /* Mask to isolate flags related to iterators */
28 #define SPL_DLLIST_IT_FIX    0x00000004 /* Backward/Forward bit is fixed */
29 
30 extern PHPAPI zend_class_entry *spl_ce_SplDoublyLinkedList;
31 extern PHPAPI zend_class_entry *spl_ce_SplQueue;
32 extern PHPAPI zend_class_entry *spl_ce_SplStack;
33 
34 PHP_MINIT_FUNCTION(spl_dllist);
35 
36 #endif /* SPL_DLLIST_H */
37