Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: BEFORE_HANDLER…
Fetching contributors…

Cannot retrieve contributors at this time

file 212 lines (182 sloc) 5.035 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2003 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/

/* $Id$ */

#include <stdio.h>
#include "zend.h"
#include "zend_API.h"
#include "zend_globals.h"
#include "zend_constants.h"
#include "zend_list.h"

ZEND_API char *empty_string = ""; /* in order to save emalloc() and efree() time for
* empty strings (usually used to denote empty
* return values in failed functions).
* The macro STR_FREE() will not efree() it.
*/


ZEND_API void _zval_dtor(zval *zvalue ZEND_FILE_LINE_DC)
{
if (zvalue->type==IS_LONG) {
return;
}
switch (zvalue->type & ~IS_CONSTANT_INDEX) {
case IS_STRING:
case IS_CONSTANT:
CHECK_ZVAL_STRING_REL(zvalue);
STR_FREE_REL(zvalue->value.str.val);
break;
case IS_ARRAY:
case IS_CONSTANT_ARRAY: {
TSRMLS_FETCH();

if (zvalue->value.ht && (zvalue->value.ht != &EG(symbol_table))) {
zend_hash_destroy(zvalue->value.ht);
FREE_HASHTABLE(zvalue->value.ht);
}
}
break;
case IS_OBJECT:
{
TSRMLS_FETCH();

Z_OBJ_HT_P(zvalue)->del_ref(zvalue TSRMLS_CC);
}
break;
case IS_RESOURCE:
{
TSRMLS_FETCH();

/* destroy resource */
zend_list_delete(zvalue->value.lval);
}
break;
case IS_LONG:
case IS_DOUBLE:
case IS_BOOL:
case IS_NULL:
default:
return;
break;
}
}


ZEND_API void _zval_internal_dtor(zval *zvalue ZEND_FILE_LINE_DC)
{
switch (zvalue->type & ~IS_CONSTANT_INDEX) {
case IS_STRING:
case IS_CONSTANT:
CHECK_ZVAL_STRING_REL(zvalue);
if (zvalue->value.str.val != empty_string) {
free(zvalue->value.str.val);
}
break;
case IS_ARRAY:
case IS_CONSTANT_ARRAY:
case IS_OBJECT:
case IS_RESOURCE:
zend_error(E_CORE_ERROR, "Internal zval's can't be arrays, objects or resources");
break;
case IS_LONG:
case IS_DOUBLE:
case IS_BOOL:
case IS_NULL:
default:
break;
}
}


ZEND_API void zval_add_ref(zval **p)
{
(*p)->refcount++;
}


ZEND_API int _zval_copy_ctor(zval *zvalue ZEND_FILE_LINE_DC)
{
switch (zvalue->type) {
case IS_RESOURCE: {
TSRMLS_FETCH();

zend_list_addref(zvalue->value.lval);
}
break;
case IS_BOOL:
case IS_LONG:
case IS_NULL:
break;
case IS_CONSTANT:
case IS_STRING:
if (zvalue->value.str.val) {
if (zvalue->value.str.len==0) {
zvalue->value.str.val = empty_string;
return SUCCESS;
}
}
CHECK_ZVAL_STRING_REL(zvalue);
zvalue->value.str.val = (char *) estrndup_rel(zvalue->value.str.val, zvalue->value.str.len);
break;
case IS_ARRAY:
case IS_CONSTANT_ARRAY: {
zval *tmp;
HashTable *original_ht = zvalue->value.ht;
TSRMLS_FETCH();

if (zvalue->value.ht == &EG(symbol_table)) {
return SUCCESS; /* do nothing */
}
ALLOC_HASHTABLE_REL(zvalue->value.ht);
zend_hash_init(zvalue->value.ht, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_hash_copy(zvalue->value.ht, original_ht, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));
}
break;
case IS_OBJECT:
{
TSRMLS_FETCH();

if (EG(implicit_clone)) {
zvalue->value.obj = zvalue->value.obj.handlers->clone_obj(zvalue TSRMLS_CC);
} else {
Z_OBJ_HT_P(zvalue)->add_ref(zvalue TSRMLS_CC);
}
}
break;
}
return SUCCESS;
}


ZEND_API int zend_print_variable(zval *var)
{
return zend_print_zval(var, 0);
}


#if ZEND_DEBUG
ZEND_API int _zval_copy_ctor_wrapper(zval *zvalue)
{
return zval_copy_ctor(zvalue);
}


ZEND_API void _zval_dtor_wrapper(zval *zvalue)
{
zval_dtor(zvalue);
}


ZEND_API void _zval_internal_dtor_wrapper(zval *zvalue)
{
zval_internal_dtor(zvalue);
}


ZEND_API void _zval_ptr_dtor_wrapper(zval **zval_ptr)
{
zval_ptr_dtor(zval_ptr);
}


ZEND_API void _zval_internal_ptr_dtor_wrapper(zval **zval_ptr)
{
zval_internal_ptr_dtor(zval_ptr);
}
#endif

/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
Something went wrong with that request. Please try again.