diff options
Diffstat (limited to 'Zend/zend_variables.c')
| -rw-r--r-- | Zend/zend_variables.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/Zend/zend_variables.c b/Zend/zend_variables.c deleted file mode 100644 index da3fedb505..0000000000 --- a/Zend/zend_variables.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | Zend Engine | - +----------------------------------------------------------------------+ - | Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski | - +----------------------------------------------------------------------+ - | This source file is subject to version 0.91 of the Zend license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.zend.com/license/0_91.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> | - +----------------------------------------------------------------------+ -*/ - - -#include <stdio.h> -#include "zend.h" -#include "zend_API.h" -#include "zend_globals.h" -#include "zend_constants.h" -#include "zend_variables.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 char *undefined_variable_string = "\0"; - -/* this function MUST set the value for the variable to an empty string */ -/* and empty strings must be evaluated as FALSE */ -ZEND_API inline void var_reset(zval *var) -{ - var->type = IS_STRING; - var->value.str.val = empty_string; - var->value.str.len = 0; -} - -ZEND_API inline void var_uninit(zval *var) -{ - var->type = IS_STRING; - var->value.str.val = undefined_variable_string; - var->value.str.len = 0; -} - - -ZEND_API int _zval_dtor(zval *zvalue ZEND_FILE_LINE_DC) -{ - if (zvalue->type==IS_LONG) { - return 1; - } - switch(zvalue->type) { - case IS_STRING: - case IS_CONSTANT: - STR_FREE_REL(zvalue->value.str.val); - break; - case IS_ARRAY: { - ELS_FETCH(); - - if (zvalue->value.ht && (zvalue->value.ht != &EG(symbol_table))) { - zend_hash_destroy(zvalue->value.ht); - efree_rel(zvalue->value.ht); - } - } - break; - case IS_OBJECT: - zend_hash_destroy(zvalue->value.obj.properties); - efree_rel(zvalue->value.obj.properties); - break; - case IS_RESOURCE: - /* destroy resource */ - zend_list_delete(zvalue->value.lval); - break; - case IS_LONG: - case IS_DOUBLE: - case IS_BOOL: - default: - return 1; - break; - } - return 1; -} - - -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: - zend_list_addref(zvalue->value.lval); - break; - case IS_BOOL: - case IS_LONG: - break; - case IS_STRING: - if (zvalue->value.str.val) { - if (zvalue->value.str.len==0) { - if (zvalue->value.str.val==undefined_variable_string) { - zvalue->value.str.val = undefined_variable_string; - } else { - zvalue->value.str.val = empty_string; - } - return SUCCESS; - } - } - zvalue->value.str.val = (char *) estrndup_rel(zvalue->value.str.val, zvalue->value.str.len); - break; - case IS_ARRAY: { - zval *tmp; - HashTable *original_ht = zvalue->value.ht; - ELS_FETCH(); - - if (!zvalue->value.ht) { - var_reset(zvalue); - return FAILURE; - } else if (zvalue->value.ht==&EG(symbol_table)) { - return SUCCESS; /* do nothing */ - } - zvalue->value.ht = (HashTable *) emalloc_rel(sizeof(HashTable)); - zend_hash_init(zvalue->value.ht, 0, NULL, PVAL_PTR_DTOR, 0); - zend_hash_copy(zvalue->value.ht, original_ht, (void (*)(void *)) zval_add_ref, (void *) &tmp, sizeof(zval *)); - } - break; - case IS_OBJECT: { - zval *tmp; - HashTable *original_ht = zvalue->value.obj.properties; - - zvalue->value.obj.properties = (HashTable *) emalloc_rel(sizeof(HashTable)); - zend_hash_init(zvalue->value.obj.properties, 0, NULL, PVAL_PTR_DTOR, 0); - zend_hash_copy(zvalue->value.obj.properties, original_ht, (void (*)(void *)) zval_add_ref, (void *) &tmp, sizeof(zval *)); - } - 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 int _zval_dtor_wrapper(zval *zvalue) -{ - return zval_dtor(zvalue); -} - - - -ZEND_API int _zval_ptr_dtor_wrapper(zval **zval_ptr) -{ - return zval_ptr_dtor(zval_ptr); -} -#endif - - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - */ |