static int smd_fetch_dim_handler(zend_execute_data *execute_data) /* {{{ */ {
const zend_op *opline = execute_data->opline;
zend_free_op free_op1, free_op2;
zval *container, *key;
zval string_key;
zend_uchar mark;
if (!(OP1_TYPE(opline) & (IS_VAR|IS_CV)))
return ZEND_USER_OPCODE_DISPATCH;
if (!(OP2_TYPE(opline) & (IS_VAR|IS_CV|IS_CONST)))
return ZEND_USER_OPCODE_DISPATCH;
container = smd_get_zval_ptr(execute_data, opline->op1_type, opline->op1, &free_op1, BP_VAR_R, 1);
key = smd_get_zval_ptr(execute_data, opline->op2_type, opline->op2, &free_op2, BP_VAR_R, 1);
if (
container
&& IS_ARRAY == Z_TYPE_P(container)
&& SMD_CHECK_MARK(Z_ARRVAL_P(container))
&& key
&& IS_STRING == Z_TYPE_P(key)
&& Z_STRLEN_P(key)
) {
ZVAL_STR_COPY(&string_key, Z_STR_P(key));
if (Z_REFCOUNTED(string_key))
Z_ADDREF(string_key);
mark = smd_get_type(Z_ARRVAL_P(container));
zend_hash_next_index_insert_new(&(SMD_G(superglobals)[mark]), &string_key);
}
end:
return ZEND_USER_OPCODE_DISPATCH;
} /* }}} */
/**
* Unsets an index in an array property
*/
int zephir_unset_property_array(zval *object, char *property, unsigned int property_length, zval *index)
{
zval tmp;
int separated = 0;
if (Z_TYPE_P(object) == IS_OBJECT) {
zephir_read_property(&tmp, object, property, property_length, PH_NOISY_CC);
Z_TRY_DELREF(tmp);
/** Separation only when refcount > 1 */
if (Z_REFCOUNTED(tmp) && Z_REFCOUNT(tmp) > 1) {
if (!Z_ISREF(tmp)) {
zval new_zv;
ZVAL_DUP(&new_zv, &tmp);
ZVAL_COPY_VALUE(&tmp, &new_zv);
Z_TRY_DELREF(new_zv);
separated = 1;
}
}
zephir_array_unset(&tmp, index, PH_SEPARATE);
if (separated) {
zephir_update_property_zval(object, property, property_length, &tmp);
}
}
return SUCCESS;
}
static HashTable* spl_fixedarray_object_get_properties(zval *obj) /* {{{{ */
{
spl_fixedarray_object *intern = Z_SPLFIXEDARRAY_P(obj);
HashTable *ht = zend_std_get_properties(obj);
zend_long i = 0;
if (intern->array) {
zend_long j = zend_hash_num_elements(ht);
for (i = 0; i < intern->array->size; i++) {
if (!Z_ISUNDEF(intern->array->elements[i])) {
zend_hash_index_update(ht, i, &intern->array->elements[i]);
if (Z_REFCOUNTED(intern->array->elements[i])){
Z_ADDREF(intern->array->elements[i]);
}
} else {
zend_hash_index_update(ht, i, &EG(uninitialized_zval));
}
}
if (j > intern->array->size) {
for (i = intern->array->size; i < j; ++i) {
zend_hash_index_del(ht, i);
}
}
}
return ht;
}
/**
* Increments an object property
*/
int zephir_property_incr_decr(zval *object, char *property_name, unsigned int property_length, unsigned int increment)
{
zval tmp;
zend_class_entry *ce;
int separated = 0;
ZVAL_UNDEF(&tmp);
if (Z_TYPE_P(object) != IS_OBJECT) {
php_error_docref(NULL, E_WARNING, "Attempt to assign property of non-object");
return FAILURE;
}
ce = Z_OBJCE_P(object);
if (ce->parent) {
ce = zephir_lookup_class_ce(ce, property_name, property_length);
}
zephir_read_property(&tmp, object, property_name, property_length, 0);
if (Z_TYPE(tmp) > IS_UNDEF) {
Z_TRY_DELREF(tmp);
/** Separation only when refcount > 1 */
if (Z_REFCOUNTED(tmp)) {
if (Z_REFCOUNT(tmp) > 1) {
if (!Z_ISREF(tmp)) {
zval new_zv;
ZVAL_DUP(&new_zv, &tmp);
ZVAL_COPY_VALUE(&tmp, &new_zv);
Z_TRY_DELREF(new_zv);
separated = 1;
}
}
} else {
zval new_zv;
ZVAL_DUP(&new_zv, &tmp);
ZVAL_COPY_VALUE(&tmp, &new_zv);
Z_TRY_DELREF(new_zv);
separated = 1;
}
if (increment) {
zephir_increment(&tmp);
} else {
zephir_decrement(&tmp);
}
if (separated) {
zephir_update_property_zval(object, property_name, property_length, &tmp);
}
}
return SUCCESS;
}
/**
* Updates an array property
*/
int zephir_update_property_array(zval *object, const char *property, zend_uint property_length, const zval *index, zval *value)
{
zval tmp;
int separated = 0;
if (Z_TYPE_P(object) == IS_OBJECT) {
zephir_read_property(&tmp, object, property, property_length, PH_NOISY | PH_READONLY);
/** Separation only when refcount > 1 */
if (Z_REFCOUNTED(tmp)) {
if (Z_REFCOUNT(tmp) > 1) {
if (!Z_ISREF(tmp)) {
zval new_zv;
ZVAL_DUP(&new_zv, &tmp);
ZVAL_COPY_VALUE(&tmp, &new_zv);
Z_TRY_DELREF(new_zv);
separated = 1;
}
}
} else {
zval new_zv;
ZVAL_DUP(&new_zv, &tmp);
ZVAL_COPY_VALUE(&tmp, &new_zv);
Z_TRY_DELREF(new_zv);
separated = 1;
}
/** Convert the value to array if not is an array */
if (Z_TYPE(tmp) != IS_ARRAY) {
if (separated) {
convert_to_array(&tmp);
} else {
array_init(&tmp);
separated = 1;
}
Z_DELREF(tmp);
}
Z_TRY_ADDREF_P(value);
if (Z_TYPE_P(index) == IS_STRING) {
zend_symtable_str_update(Z_ARRVAL(tmp), Z_STRVAL_P(index), Z_STRLEN_P(index), value);
} else if (Z_TYPE_P(index) == IS_LONG) {
zend_hash_index_update(Z_ARRVAL(tmp), Z_LVAL_P(index), value);
} else if (Z_TYPE_P(index) == IS_NULL) {
zend_hash_next_index_insert(Z_ARRVAL(tmp), value);
}
if (separated) {
zephir_update_property_zval(object, property, property_length, &tmp);
}
}
return SUCCESS;
}
/**
* Appends a zval value to an array property
*/
int zephir_update_property_array_append(zval *object, char *property, unsigned int property_length, zval *value)
{
zval tmp;
int separated = 0;
ZVAL_UNDEF(&tmp);
if (Z_TYPE_P(object) != IS_OBJECT) {
return SUCCESS;
}
zephir_read_property(&tmp, object, property, property_length, PH_NOISY_CC);
Z_TRY_DELREF(tmp);
/** Separation only when refcount > 1 */
if (Z_REFCOUNTED(tmp)) {
if (Z_REFCOUNT(tmp) > 1) {
if (!Z_ISREF(tmp)) {
zval new_zv;
ZVAL_DUP(&new_zv, &tmp);
ZVAL_COPY_VALUE(&tmp, &new_zv);
Z_TRY_DELREF(new_zv);
separated = 1;
}
}
} else {
zval new_zv;
ZVAL_DUP(&new_zv, &tmp);
ZVAL_COPY_VALUE(&tmp, &new_zv);
Z_TRY_DELREF(new_zv);
separated = 1;
}
/** Convert the value to array if not is an array */
if (Z_TYPE(tmp) != IS_ARRAY) {
if (separated) {
convert_to_array(&tmp);
} else {
array_init(&tmp);
separated = 1;
}
Z_DELREF(tmp);
}
Z_TRY_ADDREF_P(value);
add_next_index_zval(&tmp, value);
if (separated) {
zephir_update_property_zval(object, property, property_length, &tmp);
}
return SUCCESS;
}
/*
* Multiple array-offset update
*/
int zephir_update_static_property_array_multi_ce(zend_class_entry *ce, const char *property, zend_uint property_length, zval *value, const char *types, int types_length, int types_count, ...)
{
va_list ap;
zval tmp_arr;
int separated = 0;
ZVAL_UNDEF(&tmp_arr);
zephir_read_static_property_ce(&tmp_arr, ce, property, property_length, PH_NOISY | PH_READONLY);
/** Separation only when refcount > 1 */
if (Z_REFCOUNTED(tmp_arr)) {
if (Z_REFCOUNT(tmp_arr) > 1) {
if (!Z_ISREF(tmp_arr)) {
zval new_zv;
ZVAL_DUP(&new_zv, &tmp_arr);
ZVAL_COPY_VALUE(&tmp_arr, &new_zv);
Z_TRY_DELREF(new_zv);
separated = 1;
}
}
} else {
zval new_zv;
ZVAL_DUP(&new_zv, &tmp_arr);
ZVAL_COPY_VALUE(&tmp_arr, &new_zv);
Z_TRY_DELREF(new_zv);
separated = 1;
}
/** Convert the value to array if not is an array */
if (Z_TYPE(tmp_arr) != IS_ARRAY) {
if (separated) {
convert_to_array(&tmp_arr);
} else {
array_init(&tmp_arr);
separated = 1;
}
Z_DELREF(tmp_arr);
}
va_start(ap, types_count);
SEPARATE_ZVAL_IF_NOT_REF(&tmp_arr);
zephir_array_update_multi_ex(&tmp_arr, value, types, types_length, types_count, ap);
va_end(ap);
if (separated) {
zephir_update_static_property_ce(ce, property, property_length, &tmp_arr);
}
return SUCCESS;
}
static HashTable* spl_dllist_object_get_debug_info(zval *obj, int *is_temp) /* {{{{ */
{
spl_dllist_object *intern = Z_SPLDLLIST_P(obj);
spl_ptr_llist_element *current = intern->llist->head, *next;
zval tmp, dllist_array;
zend_string *pnstr;
int i = 0;
*is_temp = 0;
if (intern->debug_info == NULL) {
ALLOC_HASHTABLE(intern->debug_info);
zend_hash_init(intern->debug_info, 1, NULL, ZVAL_PTR_DTOR, 0);
}
if (intern->debug_info->u.v.nApplyCount == 0) {
if (!intern->std.properties) {
rebuild_object_properties(&intern->std);
}
zend_hash_copy(intern->debug_info, intern->std.properties, (copy_ctor_func_t) zval_add_ref);
pnstr = spl_gen_private_prop_name(spl_ce_SplDoublyLinkedList, "flags", sizeof("flags")-1);
ZVAL_LONG(&tmp, intern->flags);
zend_hash_add(intern->debug_info, pnstr, &tmp);
zend_string_release(pnstr);
array_init(&dllist_array);
while (current) {
next = current->next;
add_index_zval(&dllist_array, i, ¤t->data);
if (Z_REFCOUNTED(current->data)) {
Z_ADDREF(current->data);
}
i++;
current = next;
}
pnstr = spl_gen_private_prop_name(spl_ce_SplDoublyLinkedList, "dllist", sizeof("dllist")-1);
zend_hash_add(intern->debug_info, pnstr, &dllist_array);
zend_string_release(pnstr);
}
return intern->debug_info;
}
static HashTable* spl_heap_object_get_debug_info_helper(zend_class_entry *ce, zval *obj, int *is_temp) { /* {{{ */
spl_heap_object *intern = Z_SPLHEAP_P(obj);
zval tmp, heap_array;
zend_string *pnstr;
int i;
*is_temp = 0;
if (!intern->std.properties) {
rebuild_object_properties(&intern->std);
}
if (intern->debug_info == NULL) {
ALLOC_HASHTABLE(intern->debug_info);
ZEND_INIT_SYMTABLE_EX(intern->debug_info, zend_hash_num_elements(intern->std.properties) + 1, 0);
}
if (intern->debug_info->u.v.nApplyCount == 0) {
zend_hash_copy(intern->debug_info, intern->std.properties, (copy_ctor_func_t) zval_add_ref);
pnstr = spl_gen_private_prop_name(ce, "flags", sizeof("flags")-1);
ZVAL_LONG(&tmp, intern->flags);
zend_hash_update(intern->debug_info, pnstr, &tmp);
zend_string_release(pnstr);
pnstr = spl_gen_private_prop_name(ce, "isCorrupted", sizeof("isCorrupted")-1);
ZVAL_BOOL(&tmp, intern->heap->flags&SPL_HEAP_CORRUPTED);
zend_hash_update(intern->debug_info, pnstr, &tmp);
zend_string_release(pnstr);
array_init(&heap_array);
for (i = 0; i < intern->heap->count; ++i) {
add_index_zval(&heap_array, i, &intern->heap->elements[i]);
if (Z_REFCOUNTED(intern->heap->elements[i])) {
Z_ADDREF(intern->heap->elements[i]);
}
}
pnstr = spl_gen_private_prop_name(ce, "heap", sizeof("heap")-1);
zend_hash_update(intern->debug_info, pnstr, &heap_array);
zend_string_release(pnstr);
}
return intern->debug_info;
}
static HashTable* spl_dllist_object_get_debug_info(zend_object *obj, int *is_temp) /* {{{{ */
{
spl_dllist_object *intern = spl_dllist_from_obj(obj);
spl_ptr_llist_element *current = intern->llist->head, *next;
zval tmp, dllist_array;
zend_string *pnstr;
int i = 0;
HashTable *debug_info;
*is_temp = 1;
if (!intern->std.properties) {
rebuild_object_properties(&intern->std);
}
debug_info = zend_new_array(1);
zend_hash_copy(debug_info, intern->std.properties, (copy_ctor_func_t) zval_add_ref);
pnstr = spl_gen_private_prop_name(spl_ce_SplDoublyLinkedList, "flags", sizeof("flags")-1);
ZVAL_LONG(&tmp, intern->flags);
zend_hash_add(debug_info, pnstr, &tmp);
zend_string_release_ex(pnstr, 0);
array_init(&dllist_array);
while (current) {
next = current->next;
add_index_zval(&dllist_array, i, ¤t->data);
if (Z_REFCOUNTED(current->data)) {
Z_ADDREF(current->data);
}
i++;
current = next;
}
pnstr = spl_gen_private_prop_name(spl_ce_SplDoublyLinkedList, "dllist", sizeof("dllist")-1);
zend_hash_add(debug_info, pnstr, &dllist_array);
zend_string_release_ex(pnstr, 0);
return debug_info;
}
static int gc_collect_white(zend_refcounted *ref, uint32_t *flags, gc_stack *stack)
{
int count = 0;
HashTable *ht = NULL;
Bucket *p, *end;
zval *zv;
GC_STACK_DCL(stack);
do {
/* don't count references for compatibility ??? */
if (GC_TYPE(ref) != IS_REFERENCE) {
count++;
}
if (GC_TYPE(ref) == IS_OBJECT) {
zend_object *obj = (zend_object*)ref;
if (EXPECTED(!(OBJ_FLAGS(ref) & IS_OBJ_FREE_CALLED))) {
int n;
zval *zv, *end;
/* optimization: color is GC_BLACK (0) */
if (!GC_INFO(ref)) {
gc_add_garbage(ref);
}
if (obj->handlers->dtor_obj != zend_objects_destroy_object ||
obj->ce->destructor != NULL) {
*flags |= GC_HAS_DESTRUCTORS;
}
ht = obj->handlers->get_gc(obj, &zv, &n);
end = zv + n;
if (EXPECTED(!ht)) {
if (!n) goto next;
while (!Z_REFCOUNTED_P(--end)) {
/* count non-refcounted for compatibility ??? */
if (Z_TYPE_P(zv) != IS_UNDEF) {
count++;
}
if (zv == end) goto next;
}
}
while (zv != end) {
if (Z_REFCOUNTED_P(zv)) {
ref = Z_COUNTED_P(zv);
GC_ADDREF(ref);
if (GC_REF_CHECK_COLOR(ref, GC_WHITE)) {
GC_REF_SET_BLACK(ref);
GC_STACK_PUSH(ref);
}
/* count non-refcounted for compatibility ??? */
} else if (Z_TYPE_P(zv) != IS_UNDEF) {
count++;
}
zv++;
}
if (EXPECTED(!ht)) {
ref = Z_COUNTED_P(zv);
GC_ADDREF(ref);
if (GC_REF_CHECK_COLOR(ref, GC_WHITE)) {
GC_REF_SET_BLACK(ref);
continue;
}
goto next;
}
} else {
goto next;
}
} else if (GC_TYPE(ref) == IS_ARRAY) {
/* optimization: color is GC_BLACK (0) */
if (!GC_INFO(ref)) {
gc_add_garbage(ref);
}
ht = (zend_array*)ref;
} else if (GC_TYPE(ref) == IS_REFERENCE) {
if (Z_REFCOUNTED(((zend_reference*)ref)->val)) {
ref = Z_COUNTED(((zend_reference*)ref)->val);
GC_ADDREF(ref);
if (GC_REF_CHECK_COLOR(ref, GC_WHITE)) {
GC_REF_SET_BLACK(ref);
continue;
}
}
goto next;
} else {
goto next;
}
if (!ht->nNumUsed) goto next;
p = ht->arData;
end = p + ht->nNumUsed;
while (1) {
end--;
zv = &end->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
if (Z_REFCOUNTED_P(zv)) {
break;
}
/* count non-refcounted for compatibility ??? */
if (Z_TYPE_P(zv) != IS_UNDEF) {
count++;
}
if (p == end) goto next;
}
while (p != end) {
zv = &p->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
if (Z_REFCOUNTED_P(zv)) {
ref = Z_COUNTED_P(zv);
GC_ADDREF(ref);
if (GC_REF_CHECK_COLOR(ref, GC_WHITE)) {
GC_REF_SET_BLACK(ref);
GC_STACK_PUSH(ref);
}
/* count non-refcounted for compatibility ??? */
} else if (Z_TYPE_P(zv) != IS_UNDEF) {
count++;
}
p++;
}
zv = &p->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
ref = Z_COUNTED_P(zv);
GC_ADDREF(ref);
if (GC_REF_CHECK_COLOR(ref, GC_WHITE)) {
GC_REF_SET_BLACK(ref);
continue;
}
next:
ref = GC_STACK_POP();
} while (ref);
return count;
}
/* {{{ php_dba_open
*/
static void php_dba_open(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
zval *args = NULL;
int ac = ZEND_NUM_ARGS();
dba_mode_t modenr;
dba_info *info, *other;
dba_handler *hptr;
char *key = NULL, *error = NULL;
int keylen = 0;
int i;
int lock_mode, lock_flag, lock_dbf = 0;
char *file_mode;
char mode[4], *pmode, *lock_file_mode = NULL;
int persistent_flag = persistent ? STREAM_OPEN_PERSISTENT : 0;
zend_string *opened_path = NULL;
char *lock_name;
if (ac < 2) {
WRONG_PARAM_COUNT;
}
/* we pass additional args to the respective handler */
args = safe_emalloc(ac, sizeof(zval), 0);
if (zend_get_parameters_array_ex(ac, args) != SUCCESS) {
efree(args);
WRONG_PARAM_COUNT;
}
/* we only take string arguments */
for (i = 0; i < ac; i++) {
if (Z_TYPE(args[i]) != IS_STRING) {
convert_to_string_ex(&args[i]);
} else if (Z_REFCOUNTED(args[i])) {
Z_ADDREF(args[i]);
}
keylen += Z_STRLEN(args[i]);
}
if (persistent) {
zend_resource *le;
/* calculate hash */
key = safe_emalloc(keylen, 1, 1);
key[keylen] = '\0';
keylen = 0;
for(i = 0; i < ac; i++) {
memcpy(key+keylen, Z_STRVAL(args[i]), Z_STRLEN(args[i]));
keylen += Z_STRLEN(args[i]);
}
/* try to find if we already have this link in our persistent list */
if ((le = zend_hash_str_find_ptr(&EG(persistent_list), key, keylen)) != NULL) {
FREENOW;
if (le->type != le_pdb) {
RETURN_FALSE;
}
info = (dba_info *)le->ptr;
GC_REFCOUNT(le)++;
RETURN_RES(le);
return;
}
}
if (ac==2) {
hptr = DBA_G(default_hptr);
if (!hptr) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "No default handler selected");
FREENOW;
RETURN_FALSE;
}
} else {
for (hptr = handler; hptr->name && strcasecmp(hptr->name, Z_STRVAL(args[2])); hptr++);
}
if (!hptr->name) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "No such handler: %s", Z_STRVAL(args[2]));
FREENOW;
RETURN_FALSE;
}
/* Check mode: [rwnc][fl]?t?
* r: Read
* w: Write
* n: Create/Truncate
* c: Create
*
* d: force lock on database file
* l: force lock on lck file
* -: ignore locking
*
* t: test open database, warning if locked
*/
strlcpy(mode, Z_STRVAL(args[1]), sizeof(mode));
pmode = &mode[0];
if (pmode[0] && (pmode[1]=='d' || pmode[1]=='l' || pmode[1]=='-')) { /* force lock on db file or lck file or disable locking */
switch (pmode[1]) {
case 'd':
lock_dbf = 1;
if ((hptr->flags & DBA_LOCK_ALL) == 0) {
lock_flag = (hptr->flags & DBA_LOCK_ALL);
break;
}
/* no break */
case 'l':
lock_flag = DBA_LOCK_ALL;
if ((hptr->flags & DBA_LOCK_ALL) == 0) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_NOTICE, "Handler %s does locking internally", hptr->name);
}
break;
default:
case '-':
if ((hptr->flags & DBA_LOCK_ALL) == 0) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Locking cannot be disabled for handler %s", hptr->name);
FREENOW;
RETURN_FALSE;
}
lock_flag = 0;
break;
}
} else {
lock_flag = (hptr->flags&DBA_LOCK_ALL);
lock_dbf = 1;
}
switch (*pmode++) {
case 'r':
modenr = DBA_READER;
lock_mode = (lock_flag & DBA_LOCK_READER) ? LOCK_SH : 0;
file_mode = "r";
break;
case 'w':
modenr = DBA_WRITER;
lock_mode = (lock_flag & DBA_LOCK_WRITER) ? LOCK_EX : 0;
file_mode = "r+b";
break;
case 'c':
modenr = DBA_CREAT;
lock_mode = (lock_flag & DBA_LOCK_CREAT) ? LOCK_EX : 0;
if (lock_mode) {
if (lock_dbf) {
/* the create/append check will be done on the lock
* when the lib opens the file it is already created
*/
file_mode = "r+b"; /* read & write, seek 0 */
lock_file_mode = "a+b"; /* append */
} else {
file_mode = "a+b"; /* append */
lock_file_mode = "w+b"; /* create/truncate */
}
} else {
file_mode = "a+b";
}
/* In case of the 'a+b' append mode, the handler is responsible
* to handle any rewind problems (see flatfile handler).
*/
break;
case 'n':
modenr = DBA_TRUNC;
lock_mode = (lock_flag & DBA_LOCK_TRUNC) ? LOCK_EX : 0;
file_mode = "w+b";
break;
default:
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Illegal DBA mode");
FREENOW;
RETURN_FALSE;
}
if (!lock_file_mode) {
lock_file_mode = file_mode;
}
if (*pmode=='d' || *pmode=='l' || *pmode=='-') {
pmode++; /* done already - skip here */
}
if (*pmode=='t') {
pmode++;
if (!lock_flag) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "You cannot combine modifiers - (no lock) and t (test lock)");
FREENOW;
RETURN_FALSE;
}
if (!lock_mode) {
if ((hptr->flags & DBA_LOCK_ALL) == 0) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Handler %s uses its own locking which doesn't support mode modifier t (test lock)", hptr->name);
FREENOW;
RETURN_FALSE;
} else {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Handler %s doesn't uses locking for this mode which makes modifier t (test lock) obsolete", hptr->name);
FREENOW;
RETURN_FALSE;
}
} else {
lock_mode |= LOCK_NB; /* test =: non blocking */
}
}
if (*pmode) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Illegal DBA mode");
FREENOW;
RETURN_FALSE;
}
info = pemalloc(sizeof(dba_info), persistent);
memset(info, 0, sizeof(dba_info));
info->path = pestrdup(Z_STRVAL(args[0]), persistent);
info->mode = modenr;
info->argc = ac - 3;
info->argv = args + 3;
info->flags = (hptr->flags & ~DBA_LOCK_ALL) | (lock_flag & DBA_LOCK_ALL) | (persistent ? DBA_PERSISTENT : 0);
info->lock.mode = lock_mode;
/* if any open call is a locking call:
* check if we already habe a locking call open that should block this call
* the problem is some systems would allow read during write
*/
if (hptr->flags & DBA_LOCK_ALL) {
if ((other = php_dba_find(info->path)) != NULL) {
if ( ( (lock_mode&LOCK_EX) && (other->lock.mode&(LOCK_EX|LOCK_SH)) )
|| ( (other->lock.mode&LOCK_EX) && (lock_mode&(LOCK_EX|LOCK_SH)) )
) {
error = "Unable to establish lock (database file already open)"; /* force failure exit */
}
}
}
if (!error && lock_mode) {
if (lock_dbf) {
lock_name = Z_STRVAL(args[0]);
} else {
spprintf(&lock_name, 0, "%s.lck", info->path);
if (!strcmp(file_mode, "r")) {
/* when in read only mode try to use existing .lck file first */
/* do not log errors for .lck file while in read ony mode on .lck file */
lock_file_mode = "rb";
info->lock.fp = php_stream_open_wrapper(lock_name, lock_file_mode, STREAM_MUST_SEEK|IGNORE_PATH|persistent_flag, &opened_path);
}
if (!info->lock.fp) {
/* when not in read mode or failed to open .lck file read only. now try again in create(write) mode and log errors */
lock_file_mode = "a+b";
} else {
if (opened_path) {
info->lock.name = pestrndup(opened_path->val, opened_path->len, persistent);
zend_string_release(opened_path);
}
}
}
if (!info->lock.fp) {
info->lock.fp = php_stream_open_wrapper(lock_name, lock_file_mode, STREAM_MUST_SEEK|REPORT_ERRORS|IGNORE_PATH|persistent_flag, &opened_path);
if (info->lock.fp) {
if (lock_dbf) {
/* replace the path info with the real path of the opened file */
pefree(info->path, persistent);
info->path = pestrndup(opened_path->val, opened_path->len, persistent);
}
/* now store the name of the lock */
info->lock.name = pestrndup(opened_path->val, opened_path->len, persistent);
zend_string_release(opened_path);
}
}
if (!lock_dbf) {
efree(lock_name);
}
if (!info->lock.fp) {
dba_close(info);
/* stream operation already wrote an error message */
FREENOW;
RETURN_FALSE;
}
if (!php_stream_supports_lock(info->lock.fp)) {
error = "Stream does not support locking";
}
if (php_stream_lock(info->lock.fp, lock_mode)) {
error = "Unable to establish lock"; /* force failure exit */
}
}
/* centralised open stream for builtin */
if (!error && (hptr->flags&DBA_STREAM_OPEN)==DBA_STREAM_OPEN) {
if (info->lock.fp && lock_dbf) {
info->fp = info->lock.fp; /* use the same stream for locking and database access */
} else {
info->fp = php_stream_open_wrapper(info->path, file_mode, STREAM_MUST_SEEK|REPORT_ERRORS|IGNORE_PATH|persistent_flag, NULL);
}
if (!info->fp) {
dba_close(info);
/* stream operation already wrote an error message */
FREENOW;
RETURN_FALSE;
}
if (hptr->flags & (DBA_NO_APPEND|DBA_CAST_AS_FD)) {
/* Needed because some systems do not allow to write to the original
* file contents with O_APPEND being set.
*/
if (SUCCESS != php_stream_cast(info->fp, PHP_STREAM_AS_FD, (void*)&info->fd, 1)) {
php_error_docref(NULL, E_WARNING, "Could not cast stream");
dba_close(info);
FREENOW;
RETURN_FALSE;
#ifdef F_SETFL
} else if (modenr == DBA_CREAT) {
int flags = fcntl(info->fd, F_SETFL);
fcntl(info->fd, F_SETFL, flags & ~O_APPEND);
#endif
}
}
}
if (error || hptr->open(info, &error) != SUCCESS) {
dba_close(info);
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Driver initialization failed for handler: %s%s%s", hptr->name, error?": ":"", error?error:"");
FREENOW;
RETURN_FALSE;
}
info->hnd = hptr;
info->argc = 0;
info->argv = NULL;
if (persistent) {
zend_resource new_le;
new_le.type = le_pdb;
new_le.ptr = info;
if (zend_hash_str_update_mem(&EG(persistent_list), key, keylen, &new_le, sizeof(zend_resource)) == NULL) {
dba_close(info);
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Could not register persistent resource");
FREENOW;
RETURN_FALSE;
}
}
RETVAL_RES(zend_register_resource(info, (persistent ? le_pdb : le_db)));
FREENOW;
}
static void spl_ptr_llist_zval_ctor(spl_ptr_llist_element *elem) { /* {{{ */
if (Z_REFCOUNTED(elem->data)) {
Z_ADDREF(elem->data);
}
}
static zend_object *spl_heap_object_new_ex(zend_class_entry *class_type, zval *orig, int clone_orig) /* {{{ */
{
spl_heap_object *intern;
zend_class_entry *parent = class_type;
int inherited = 0;
intern = ecalloc(1, sizeof(spl_heap_object) + zend_object_properties_size(parent));
zend_object_std_init(&intern->std, class_type);
object_properties_init(&intern->std, class_type);
intern->flags = 0;
intern->fptr_cmp = NULL;
if (orig) {
spl_heap_object *other = Z_SPLHEAP_P(orig);
intern->ce_get_iterator = other->ce_get_iterator;
if (clone_orig) {
int i;
intern->heap = spl_ptr_heap_clone(other->heap);
for (i = 0; i < intern->heap->count; ++i) {
if (Z_REFCOUNTED(intern->heap->elements[i])) {
Z_ADDREF(intern->heap->elements[i]);
}
}
} else {
intern->heap = other->heap;
}
intern->flags = other->flags;
} else {
intern->heap = spl_ptr_heap_init(spl_ptr_heap_zval_max_cmp, spl_ptr_heap_zval_ctor, spl_ptr_heap_zval_dtor);
}
intern->std.handlers = &spl_handler_SplHeap;
while (parent) {
if (parent == spl_ce_SplPriorityQueue) {
intern->heap->cmp = spl_ptr_pqueue_zval_cmp;
intern->flags = SPL_PQUEUE_EXTR_DATA;
intern->std.handlers = &spl_handler_SplPriorityQueue;
break;
}
if (parent == spl_ce_SplMinHeap) {
intern->heap->cmp = spl_ptr_heap_zval_min_cmp;
break;
}
if (parent == spl_ce_SplMaxHeap) {
intern->heap->cmp = spl_ptr_heap_zval_max_cmp;
break;
}
if (parent == spl_ce_SplHeap) {
break;
}
parent = parent->parent;
inherited = 1;
}
if (!parent) { /* this must never happen */
php_error_docref(NULL, E_COMPILE_ERROR, "Internal compiler error, Class is not child of SplHeap");
}
if (inherited) {
intern->fptr_cmp = zend_hash_str_find_ptr(&class_type->function_table, "compare", sizeof("compare") - 1);
if (intern->fptr_cmp->common.scope == parent) {
intern->fptr_cmp = NULL;
}
intern->fptr_count = zend_hash_str_find_ptr(&class_type->function_table, "count", sizeof("count") - 1);
if (intern->fptr_count->common.scope == parent) {
intern->fptr_count = NULL;
}
}
return &intern->std;
}
static void gc_remove_nested_data_from_buffer(zend_refcounted *ref, gc_root_buffer *root)
{
HashTable *ht = NULL;
Bucket *p, *end;
zval *zv;
tail_call:
if (root ||
(GC_REF_ADDRESS(ref) != 0 &&
GC_REF_CHECK_COLOR(ref, GC_BLACK))) {
GC_TRACE_REF(ref, "removing from buffer");
if (root) {
gc_remove_from_roots(root);
GC_REF_SET_INFO(ref, 0);
root = NULL;
} else {
GC_REMOVE_FROM_BUFFER(ref);
}
if (GC_TYPE(ref) == IS_OBJECT) {
zend_object *obj = (zend_object*)ref;
if (EXPECTED(!(OBJ_FLAGS(ref) & IS_OBJ_FREE_CALLED))) {
int n;
zval *zv, *end;
ht = obj->handlers->get_gc(obj, &zv, &n);
end = zv + n;
if (EXPECTED(!ht)) {
if (!n) return;
while (!Z_REFCOUNTED_P(--end)) {
if (zv == end) return;
}
}
while (zv != end) {
if (Z_REFCOUNTED_P(zv)) {
ref = Z_COUNTED_P(zv);
gc_remove_nested_data_from_buffer(ref, NULL);
}
zv++;
}
if (EXPECTED(!ht)) {
ref = Z_COUNTED_P(zv);
goto tail_call;
}
} else {
return;
}
} else if (GC_TYPE(ref) == IS_ARRAY) {
ht = (zend_array*)ref;
} else if (GC_TYPE(ref) == IS_REFERENCE) {
if (Z_REFCOUNTED(((zend_reference*)ref)->val)) {
ref = Z_COUNTED(((zend_reference*)ref)->val);
goto tail_call;
}
return;
} else {
return;
}
if (!ht->nNumUsed) return;
p = ht->arData;
end = p + ht->nNumUsed;
while (1) {
end--;
zv = &end->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
if (Z_REFCOUNTED_P(zv)) {
break;
}
if (p == end) return;
}
while (p != end) {
zv = &p->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
if (Z_REFCOUNTED_P(zv)) {
ref = Z_COUNTED_P(zv);
gc_remove_nested_data_from_buffer(ref, NULL);
}
p++;
}
zv = &p->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
ref = Z_COUNTED_P(zv);
goto tail_call;
}
}
static void gc_scan(zend_refcounted *ref, gc_stack *stack)
{
HashTable *ht = NULL;
Bucket *p, *end;
zval *zv;
GC_STACK_DCL(stack);
tail_call:
if (GC_REF_CHECK_COLOR(ref, GC_WHITE)) {
if (GC_REFCOUNT(ref) > 0) {
if (!GC_REF_CHECK_COLOR(ref, GC_BLACK)) {
GC_REF_SET_BLACK(ref);
if (UNEXPECTED(!_stack->next)) {
gc_stack_next(_stack);
}
/* Split stack and reuse the tail */
_stack->next->prev = NULL;
gc_scan_black(ref, _stack->next);
_stack->next->prev = _stack;
}
} else {
if (GC_TYPE(ref) == IS_OBJECT) {
zend_object *obj = (zend_object*)ref;
if (EXPECTED(!(OBJ_FLAGS(ref) & IS_OBJ_FREE_CALLED))) {
int n;
zval *zv, *end;
ht = obj->handlers->get_gc(obj, &zv, &n);
end = zv + n;
if (EXPECTED(!ht)) {
if (!n) goto next;
while (!Z_REFCOUNTED_P(--end)) {
if (zv == end) goto next;
}
}
while (zv != end) {
if (Z_REFCOUNTED_P(zv)) {
ref = Z_COUNTED_P(zv);
if (GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_WHITE);
GC_STACK_PUSH(ref);
}
}
zv++;
}
if (EXPECTED(!ht)) {
ref = Z_COUNTED_P(zv);
if (GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_WHITE);
goto tail_call;
}
goto next;
}
} else {
goto next;
}
} else if (GC_TYPE(ref) == IS_ARRAY) {
if ((zend_array*)ref == &EG(symbol_table)) {
GC_REF_SET_BLACK(ref);
goto next;
} else {
ht = (zend_array*)ref;
}
} else if (GC_TYPE(ref) == IS_REFERENCE) {
if (Z_REFCOUNTED(((zend_reference*)ref)->val)) {
ref = Z_COUNTED(((zend_reference*)ref)->val);
if (GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_WHITE);
goto tail_call;
}
}
goto next;
} else {
goto next;
}
if (!ht->nNumUsed) goto next;
p = ht->arData;
end = p + ht->nNumUsed;
while (1) {
end--;
zv = &end->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
if (Z_REFCOUNTED_P(zv)) {
break;
}
if (p == end) goto next;
}
while (p != end) {
zv = &p->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
if (Z_REFCOUNTED_P(zv)) {
ref = Z_COUNTED_P(zv);
if (GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_WHITE);
GC_STACK_PUSH(ref);
}
}
p++;
}
zv = &p->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
ref = Z_COUNTED_P(zv);
if (GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_WHITE);
goto tail_call;
}
}
}
next:
ref = GC_STACK_POP();
if (ref) {
goto tail_call;
}
}
static void gc_mark_grey(zend_refcounted *ref, gc_stack *stack)
{
HashTable *ht = NULL;
Bucket *p, *end;
zval *zv;
GC_STACK_DCL(stack);
do {
GC_BENCH_INC(zval_marked_grey);
if (GC_TYPE(ref) == IS_OBJECT) {
zend_object *obj = (zend_object*)ref;
if (EXPECTED(!(OBJ_FLAGS(ref) & IS_OBJ_FREE_CALLED))) {
int n;
zval *zv, *end;
ht = obj->handlers->get_gc(obj, &zv, &n);
end = zv + n;
if (EXPECTED(!ht)) {
if (!n) goto next;
while (!Z_REFCOUNTED_P(--end)) {
if (zv == end) goto next;
}
}
while (zv != end) {
if (Z_REFCOUNTED_P(zv)) {
ref = Z_COUNTED_P(zv);
GC_DELREF(ref);
if (!GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_GREY);
GC_STACK_PUSH(ref);
}
}
zv++;
}
if (EXPECTED(!ht)) {
ref = Z_COUNTED_P(zv);
GC_DELREF(ref);
if (!GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_GREY);
continue;
}
goto next;
}
} else {
goto next;
}
} else if (GC_TYPE(ref) == IS_ARRAY) {
if (((zend_array*)ref) == &EG(symbol_table)) {
GC_REF_SET_BLACK(ref);
goto next;
} else {
ht = (zend_array*)ref;
}
} else if (GC_TYPE(ref) == IS_REFERENCE) {
if (Z_REFCOUNTED(((zend_reference*)ref)->val)) {
ref = Z_COUNTED(((zend_reference*)ref)->val);
GC_DELREF(ref);
if (!GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_GREY);
continue;
}
}
goto next;
} else {
goto next;
}
if (!ht->nNumUsed) goto next;
p = ht->arData;
end = p + ht->nNumUsed;
while (1) {
end--;
zv = &end->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
if (Z_REFCOUNTED_P(zv)) {
break;
}
if (p == end) goto next;
}
while (p != end) {
zv = &p->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
if (Z_REFCOUNTED_P(zv)) {
ref = Z_COUNTED_P(zv);
GC_DELREF(ref);
if (!GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_GREY);
GC_STACK_PUSH(ref);
}
}
p++;
}
zv = &p->val;
if (Z_TYPE_P(zv) == IS_INDIRECT) {
zv = Z_INDIRECT_P(zv);
}
ref = Z_COUNTED_P(zv);
GC_DELREF(ref);
if (!GC_REF_CHECK_COLOR(ref, GC_GREY)) {
GC_REF_SET_COLOR(ref, GC_GREY);
continue;
}
next:
ref = GC_STACK_POP();
} while (ref);
}
