- Provide appropriate way to destroy internal zval's.

- Allow internal zval's of type string and disallow complex types.
- Define the default string for extensions at class level instead of ctor.
This commit is contained in:
Marcus Boerger 2003-08-24 17:32:47 +00:00
parent cec053f707
commit 19ec7a09fc
8 changed files with 93 additions and 21 deletions

View File

@ -1629,6 +1629,16 @@ ZEND_API int zend_declare_property(zend_class_entry *ce, char *name, int name_le
} else {
target_symbol_table = &ce->default_properties;
}
switch(Z_TYPE_P(property)) {
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;
default:
break;
}
switch (access_type & ZEND_ACC_PPP_MASK) {
case ZEND_ACC_PRIVATE: {
char *priv_name;
@ -1691,6 +1701,21 @@ ZEND_API int zend_declare_property_long(zend_class_entry *ce, char *name, int na
return zend_declare_property(ce, name, name_length, property, access_type);
}
ZEND_API int zend_declare_property_string(zend_class_entry *ce, char *name, int name_length, char *value, int access_type)
{
zval *property;
int len = strlen(value);
if (ce->type & ZEND_INTERNAL_CLASS) {
property = malloc(sizeof(zval));
} else {
ALLOC_ZVAL(property);
}
INIT_PZVAL(property);
ZVAL_STRINGL(property, zend_strndup(value, len), len, 0);
return zend_declare_property(ce, name, name_length, property, access_type);
}
ZEND_API void zend_update_property(zend_class_entry *scope, zval *object, char *name, int name_length, zval *value TSRMLS_DC)
{
zval property;

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@ -168,6 +168,7 @@ ZEND_API char *zend_get_module_version(char *module_name);
ZEND_API int zend_declare_property(zend_class_entry *ce, char *name, int name_length, zval *property, int access_type);
ZEND_API int zend_declare_property_null(zend_class_entry *ce, char *name, int name_length, int access_type);
ZEND_API int zend_declare_property_long(zend_class_entry *ce, char *name, int name_length, long value, int access_type);
ZEND_API int zend_declare_property_string(zend_class_entry *ce, char *name, int name_length, char *value, int access_type);
ZEND_API void zend_update_property(zend_class_entry *scope, zval *object, char *name, int name_length, zval *value TSRMLS_DC);
ZEND_API void zend_update_property_null(zend_class_entry *scope, zval *object, char *name, int name_length TSRMLS_DC);

View File

@ -3406,22 +3406,6 @@ again:
}
static void zval_ptr_dtor_internal(zval **zval_ptr)
{
#if DEBUG_ZEND>=2
printf("Reducing refcount for %x (%x): %d->%d\n", *zval_ptr, zval_ptr, (*zval_ptr)->refcount, (*zval_ptr)->refcount-1);
#endif
(*zval_ptr)->refcount--;
if ((*zval_ptr)->refcount==0) {
zval_dtor(*zval_ptr);
free(*zval_ptr);
} else if ((*zval_ptr)->refcount == 1) {
(*zval_ptr)->is_ref = 0;
}
}
#define ZVAL_PTR_DTOR_INTERNAL (void (*)(void *)) zval_ptr_dtor_internal
void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC)
{
zend_bool persistent_hashes = (ce->type == ZEND_INTERNAL_CLASS) ? 1 : 0;
@ -3433,7 +3417,7 @@ void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers
ce->doc_comment = NULL;
ce->doc_comment_len = 0;
zend_hash_init_ex(&ce->default_properties, 0, NULL, persistent_hashes ? ZVAL_PTR_DTOR_INTERNAL : ZVAL_PTR_DTOR, persistent_hashes, 0);
zend_hash_init_ex(&ce->default_properties, 0, NULL, persistent_hashes ? ZVAL_INTERNAL_PTR_DTOR : ZVAL_PTR_DTOR, persistent_hashes, 0);
zend_hash_init_ex(&ce->properties_info, 0, NULL, (dtor_func_t) (persistent_hashes ? zend_destroy_property_info_internal : zend_destroy_property_info), persistent_hashes, 0);
if (persistent_hashes) {

View File

@ -36,7 +36,6 @@ static zend_object_value zend_default_exception_new(zend_class_entry *class_type
zend_hash_init(object->properties, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_hash_copy(object->properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));
zend_update_property_string(class_type, &obj, "message", sizeof("message")-1, "Unknown exception" TSRMLS_CC);
zend_update_property_string(class_type, &obj, "file", sizeof("file")-1, zend_get_executed_filename(TSRMLS_C) TSRMLS_CC);
zend_update_property_long(class_type, &obj, "line", sizeof("line")-1, zend_get_executed_lineno(TSRMLS_C) TSRMLS_CC);
@ -125,7 +124,7 @@ static void zend_register_default_exception(TSRMLS_D)
default_exception_ptr = zend_register_internal_class(&default_exception TSRMLS_CC);
default_exception_ptr->create_object = zend_default_exception_new;
zend_declare_property_null(default_exception_ptr, "message", sizeof("message")-1, ZEND_ACC_PROTECTED);
zend_declare_property_string(default_exception_ptr, "message", sizeof("message")-1, "Unknown exception", ZEND_ACC_PROTECTED);
zend_declare_property_long(default_exception_ptr, "code", sizeof("code")-1, 0, ZEND_ACC_PROTECTED);
zend_declare_property_null(default_exception_ptr, "file", sizeof("file")-1, ZEND_ACC_PROTECTED);
zend_declare_property_null(default_exception_ptr, "line", sizeof("line")-1, ZEND_ACC_PROTECTED);

View File

@ -36,7 +36,6 @@ static zend_object_value zend_default_exception_new(zend_class_entry *class_type
zend_hash_init(object->properties, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_hash_copy(object->properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));
zend_update_property_string(class_type, &obj, "message", sizeof("message")-1, "Unknown exception" TSRMLS_CC);
zend_update_property_string(class_type, &obj, "file", sizeof("file")-1, zend_get_executed_filename(TSRMLS_C) TSRMLS_CC);
zend_update_property_long(class_type, &obj, "line", sizeof("line")-1, zend_get_executed_lineno(TSRMLS_C) TSRMLS_CC);
@ -125,7 +124,7 @@ static void zend_register_default_exception(TSRMLS_D)
default_exception_ptr = zend_register_internal_class(&default_exception TSRMLS_CC);
default_exception_ptr->create_object = zend_default_exception_new;
zend_declare_property_null(default_exception_ptr, "message", sizeof("message")-1, ZEND_ACC_PROTECTED);
zend_declare_property_string(default_exception_ptr, "message", sizeof("message")-1, "Unknown exception", ZEND_ACC_PROTECTED);
zend_declare_property_long(default_exception_ptr, "code", sizeof("code")-1, 0, ZEND_ACC_PROTECTED);
zend_declare_property_null(default_exception_ptr, "file", sizeof("file")-1, ZEND_ACC_PROTECTED);
zend_declare_property_null(default_exception_ptr, "line", sizeof("line")-1, ZEND_ACC_PROTECTED);

View File

@ -359,6 +359,21 @@ ZEND_API void _zval_ptr_dtor(zval **zval_ptr ZEND_FILE_LINE_DC)
}
ZEND_API void _zval_internal_ptr_dtor(zval **zval_ptr ZEND_FILE_LINE_DC)
{
#if DEBUG_ZEND>=2
printf("Reducing refcount for %x (%x): %d->%d\n", *zval_ptr, zval_ptr, (*zval_ptr)->refcount, (*zval_ptr)->refcount-1);
#endif
(*zval_ptr)->refcount--;
if ((*zval_ptr)->refcount==0) {
zval_internal_dtor(*zval_ptr);
free(*zval_ptr);
} else if ((*zval_ptr)->refcount == 1) {
(*zval_ptr)->is_ref = 0;
}
}
ZEND_API int zend_is_true(zval *op)
{
return i_zend_is_true(op);

View File

@ -80,6 +80,32 @@ ZEND_API void _zval_dtor(zval *zvalue ZEND_FILE_LINE_DC)
}
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++;
@ -159,11 +185,22 @@ ZEND_API void _zval_dtor_wrapper(zval *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
/*

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@ -29,21 +29,31 @@ BEGIN_EXTERN_C()
ZEND_API int _zval_copy_ctor(zval *zvalue ZEND_FILE_LINE_DC);
ZEND_API void _zval_dtor(zval *zvalue ZEND_FILE_LINE_DC);
ZEND_API void _zval_ptr_dtor(zval **zval_ptr ZEND_FILE_LINE_DC);
ZEND_API void _zval_internal_dtor(zval *zvalue ZEND_FILE_LINE_DC);
ZEND_API void _zval_internal_ptr_dtor(zval **zvalue ZEND_FILE_LINE_DC);
#define zval_copy_ctor(zvalue) _zval_copy_ctor((zvalue) ZEND_FILE_LINE_CC)
#define zval_dtor(zvalue) _zval_dtor((zvalue) ZEND_FILE_LINE_CC)
#define zval_ptr_dtor(zval_ptr) _zval_ptr_dtor((zval_ptr) ZEND_FILE_LINE_CC)
#define zval_internal_dtor(zvalue) _zval_internal_dtor((zvalue) ZEND_FILE_LINE_CC)
#define zval_internal_ptr_dtor(zvalue) _zval_internal_ptr_dtor((zvalue) ZEND_FILE_LINE_CC)
#if ZEND_DEBUG
ZEND_API int _zval_copy_ctor_wrapper(zval *zvalue);
ZEND_API void _zval_dtor_wrapper(zval *zvalue);
ZEND_API void _zval_ptr_dtor_wrapper(zval **zval_ptr);
ZEND_API void _zval_internal_dtor_wrapper(zval *zvalue);
ZEND_API void _zval_internal_ptr_dtor_wrapper(zval **zvalue);
#define zval_copy_ctor_wrapper _zval_copy_ctor_wrapper
#define zval_dtor_wrapper _zval_dtor_wrapper
#define zval_ptr_dtor_wrapper _zval_ptr_dtor_wrapper
#define zval_internal_dtor_wrapper _zval_internal_dtor_wrapper
#define zval_internal_ptr_dtor_wrapper _zval_internal_ptr_dtor_wrapper
#else
#define zval_copy_ctor_wrapper _zval_copy_ctor
#define zval_dtor_wrapper _zval_dtor
#define zval_ptr_dtor_wrapper _zval_ptr_dtor
#define zval_internal_dtor_wrapper _zval_internal_dtor
#define zval_internal_ptr_dtor_wrapper _zval_internal_ptr_dtor
#endif
END_EXTERN_C()
@ -53,6 +63,8 @@ ZEND_API void zval_add_ref(zval **p);
#define ZVAL_DESTRUCTOR (void (*)(void *)) zval_dtor_wrapper
#define ZVAL_PTR_DTOR (void (*)(void *)) zval_ptr_dtor_wrapper
#define ZVAL_INTERNAL_DTOR (void (*)(void *)) zval_internal_dtor_wrapper
#define ZVAL_INTERNAL_PTR_DTOR (void (*)(void *)) zval_internal_ptr_dtor_wrapper
#define ZVAL_COPY_CTOR (void (*)(void *)) zval_copy_ctor_wrapper
#endif