xref: /PHP-5.5/Zend/zend_string.h (revision 73c1be26)
1 /*
2    +----------------------------------------------------------------------+
3    | Zend Engine                                                          |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1998-2015 Zend Technologies Ltd. (http://www.zend.com) |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt.                                |
11    | If you did not receive a copy of the Zend license and are unable to  |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@zend.com so we can mail you a copy immediately.              |
14    +----------------------------------------------------------------------+
15    | Authors: Dmitry Stogov <dmitry@zend.com>                             |
16    +----------------------------------------------------------------------+
17 */
18 
19 /* $Id: $ */
20 
21 #ifndef ZEND_STRING_H
22 #define ZEND_STRING_H
23 
24 #include "zend.h"
25 
26 BEGIN_EXTERN_C()
27 ZEND_API extern const char *(*zend_new_interned_string)(const char *str, int len, int free_src TSRMLS_DC);
28 ZEND_API extern void (*zend_interned_strings_snapshot)(TSRMLS_D);
29 ZEND_API extern void (*zend_interned_strings_restore)(TSRMLS_D);
30 
31 void zend_interned_strings_init(TSRMLS_D);
32 void zend_interned_strings_dtor(TSRMLS_D);
33 END_EXTERN_C()
34 
35 #ifndef ZTS
36 
37 #define IS_INTERNED(s) \
38 	(((s) >= CG(interned_strings_start)) && ((s) < CG(interned_strings_end)))
39 
40 #else
41 
42 #define IS_INTERNED(s) \
43 	(0)
44 
45 #endif
46 
47 #define INTERNED_LEN(s) \
48 	(((Bucket*)(((char*)(s))-sizeof(Bucket)))->nKeyLength)
49 
50 #define INTERNED_HASH(s) \
51 	(((Bucket*)(((char*)(s))-sizeof(Bucket)))->h)
52 
53 #define str_efree(s) do { \
54 		if (!IS_INTERNED(s)) { \
55 			efree((char*)s); \
56 		} \
57 	} while (0)
58 
59 #define str_free(s) do { \
60 		if (!IS_INTERNED(s)) { \
61 			free((char*)s); \
62 		} \
63 	} while (0)
64 
65 #endif /* ZEND_STRING_H */
66 
67 /*
68  * Local variables:
69  * tab-width: 4
70  * c-basic-offset: 4
71  * indent-tabs-mode: t
72  * End:
73  */
74