1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1998-2013 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: Andi Gutmans <andi@zend.com> |
16 | Zeev Suraski <zeev@zend.com> |
17 +----------------------------------------------------------------------+
18 */
19
20 /* $Id$ */
21
22 #include <stdio.h>
23 #include "zend.h"
24 #include "zend_API.h"
25 #include "zend_globals.h"
26 #include "zend_constants.h"
27 #include "zend_list.h"
28
29
_zval_dtor_func(zval * zvalue ZEND_FILE_LINE_DC)30 ZEND_API void _zval_dtor_func(zval *zvalue ZEND_FILE_LINE_DC)
31 {
32 switch (Z_TYPE_P(zvalue) & IS_CONSTANT_TYPE_MASK) {
33 case IS_STRING:
34 case IS_CONSTANT:
35 CHECK_ZVAL_STRING_REL(zvalue);
36 STR_FREE_REL(zvalue->value.str.val);
37 break;
38 case IS_ARRAY:
39 case IS_CONSTANT_ARRAY: {
40 TSRMLS_FETCH();
41
42 if (zvalue->value.ht && (zvalue->value.ht != &EG(symbol_table))) {
43 /* break possible cycles */
44 Z_TYPE_P(zvalue) = IS_NULL;
45 zend_hash_destroy(zvalue->value.ht);
46 FREE_HASHTABLE(zvalue->value.ht);
47 }
48 }
49 break;
50 case IS_OBJECT:
51 {
52 TSRMLS_FETCH();
53
54 Z_OBJ_HT_P(zvalue)->del_ref(zvalue TSRMLS_CC);
55 }
56 break;
57 case IS_RESOURCE:
58 {
59 TSRMLS_FETCH();
60
61 /* destroy resource */
62 zend_list_delete(zvalue->value.lval);
63 }
64 break;
65 case IS_LONG:
66 case IS_DOUBLE:
67 case IS_BOOL:
68 case IS_NULL:
69 default:
70 return;
71 break;
72 }
73 }
74
75
_zval_internal_dtor(zval * zvalue ZEND_FILE_LINE_DC)76 ZEND_API void _zval_internal_dtor(zval *zvalue ZEND_FILE_LINE_DC)
77 {
78 switch (Z_TYPE_P(zvalue) & IS_CONSTANT_TYPE_MASK) {
79 case IS_STRING:
80 case IS_CONSTANT:
81 CHECK_ZVAL_STRING_REL(zvalue);
82 free(zvalue->value.str.val);
83 break;
84 case IS_ARRAY:
85 case IS_CONSTANT_ARRAY:
86 case IS_OBJECT:
87 case IS_RESOURCE:
88 zend_error(E_CORE_ERROR, "Internal zval's can't be arrays, objects or resources");
89 break;
90 case IS_LONG:
91 case IS_DOUBLE:
92 case IS_BOOL:
93 case IS_NULL:
94 default:
95 break;
96 }
97 }
98
99
zval_add_ref(zval ** p)100 ZEND_API void zval_add_ref(zval **p)
101 {
102 Z_ADDREF_PP(p);
103 }
104
105
_zval_copy_ctor_func(zval * zvalue ZEND_FILE_LINE_DC)106 ZEND_API void _zval_copy_ctor_func(zval *zvalue ZEND_FILE_LINE_DC)
107 {
108 switch (Z_TYPE_P(zvalue) & IS_CONSTANT_TYPE_MASK) {
109 case IS_RESOURCE: {
110 TSRMLS_FETCH();
111
112 zend_list_addref(zvalue->value.lval);
113 }
114 break;
115 case IS_BOOL:
116 case IS_LONG:
117 case IS_NULL:
118 break;
119 case IS_CONSTANT:
120 case IS_STRING:
121 CHECK_ZVAL_STRING_REL(zvalue);
122 zvalue->value.str.val = (char *) estrndup_rel(zvalue->value.str.val, zvalue->value.str.len);
123 break;
124 case IS_ARRAY:
125 case IS_CONSTANT_ARRAY: {
126 zval *tmp;
127 HashTable *original_ht = zvalue->value.ht;
128 HashTable *tmp_ht = NULL;
129 TSRMLS_FETCH();
130
131 if (zvalue->value.ht == &EG(symbol_table)) {
132 return; /* do nothing */
133 }
134 ALLOC_HASHTABLE_REL(tmp_ht);
135 zend_hash_init(tmp_ht, zend_hash_num_elements(original_ht), NULL, ZVAL_PTR_DTOR, 0);
136 zend_hash_copy(tmp_ht, original_ht, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));
137 zvalue->value.ht = tmp_ht;
138 }
139 break;
140 case IS_OBJECT:
141 {
142 TSRMLS_FETCH();
143 Z_OBJ_HT_P(zvalue)->add_ref(zvalue TSRMLS_CC);
144 }
145 break;
146 }
147 }
148
149
zend_print_variable(zval * var)150 ZEND_API int zend_print_variable(zval *var)
151 {
152 return zend_print_zval(var, 0);
153 }
154
155
_zval_dtor_wrapper(zval * zvalue)156 ZEND_API void _zval_dtor_wrapper(zval *zvalue)
157 {
158 TSRMLS_FETCH();
159
160 GC_REMOVE_ZVAL_FROM_BUFFER(zvalue);
161 zval_dtor(zvalue);
162 }
163
zval_property_ctor(zval ** p)164 ZEND_API void zval_property_ctor(zval **p) /* {{{ */
165 {
166 zval *orig_ptr = *p;
167
168 ALLOC_ZVAL(*p);
169 **p = *orig_ptr;
170 zval_copy_ctor(*p);
171 Z_SET_REFCOUNT_PP(p, 1);
172 Z_UNSET_ISREF_PP(p);
173 }
174 /* }}} */
175
176 #if ZEND_DEBUG
_zval_copy_ctor_wrapper(zval * zvalue)177 ZEND_API void _zval_copy_ctor_wrapper(zval *zvalue)
178 {
179 zval_copy_ctor(zvalue);
180 }
181
182
_zval_internal_dtor_wrapper(zval * zvalue)183 ZEND_API void _zval_internal_dtor_wrapper(zval *zvalue)
184 {
185 zval_internal_dtor(zvalue);
186 }
187
188
_zval_ptr_dtor_wrapper(zval ** zval_ptr)189 ZEND_API void _zval_ptr_dtor_wrapper(zval **zval_ptr)
190 {
191 zval_ptr_dtor(zval_ptr);
192 }
193
194
_zval_internal_ptr_dtor_wrapper(zval ** zval_ptr)195 ZEND_API void _zval_internal_ptr_dtor_wrapper(zval **zval_ptr)
196 {
197 zval_internal_ptr_dtor(zval_ptr);
198 }
199 #endif
200
201 /*
202 * Local variables:
203 * tab-width: 4
204 * c-basic-offset: 4
205 * indent-tabs-mode: t
206 * End:
207 */
208
