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qom: Make all the object_property_add_FOO() return the property 

Some object_property_add_FOO() return the newly added property, some
don't.  Clean that up.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200505152926.18877-7-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2020-05-05 17:29:14 +02:00
parent 44a17fe05a
commit 7025188772
2 changed files with 164 additions and 136 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
include/qom/object.h
View File

@ -1491,9 +1491,11 @@ Object *object_resolve_path_component(Object *parent, const char *part);
* The value of a child property as a C string will be the child object's
* canonical path. It can be retrieved using object_property_get_str().
* The child object itself can be retrieved using object_property_get_link().
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_child(Object *obj, const char *name,
Object *child, Error **errp);
ObjectProperty *object_property_add_child(Object *obj, const char *name,
Object *child, Error **errp);
typedef enum {
/* Unref the link pointer when the property is deleted */
@ -1542,8 +1544,10 @@ void object_property_allow_set_link(const Object *, const char *,
* <code>@flags</code> <code>OBJ_PROP_LINK_STRONG</code> bit is set,
* the reference count is decremented when the property is deleted or
* modified.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_link(Object *obj, const char *name,
ObjectProperty *object_property_add_link(Object *obj, const char *name,
const char *type, Object **targetp,
void (*check)(const Object *obj, const char *name,
Object *val, Error **errp),
@ -1569,8 +1573,10 @@ ObjectProperty *object_class_property_add_link(ObjectClass *oc,
*
* Add a string property using getters/setters. This function will add a
* property of type 'string'.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_str(Object *obj, const char *name,
ObjectProperty *object_property_add_str(Object *obj, const char *name,
char *(*get)(Object *, Error **),
void (*set)(Object *, const char *, Error **),
Error **errp);
@ -1592,8 +1598,10 @@ ObjectProperty *object_class_property_add_str(ObjectClass *klass,
*
* Add a bool property using getters/setters. This function will add a
* property of type 'bool'.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_bool(Object *obj, const char *name,
ObjectProperty *object_property_add_bool(Object *obj, const char *name,
bool (*get)(Object *, Error **),
void (*set)(Object *, bool, Error **),
Error **errp);
@ -1615,8 +1623,10 @@ ObjectProperty *object_class_property_add_bool(ObjectClass *klass,
*
* Add an enum property using getters/setters. This function will add a
* property of type '@typename'.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_enum(Object *obj, const char *name,
ObjectProperty *object_property_add_enum(Object *obj, const char *name,
const char *typename,
const QEnumLookup *lookup,
int (*get)(Object *, Error **),
@ -1640,8 +1650,10 @@ ObjectProperty *object_class_property_add_enum(ObjectClass *klass,
*
* Add a read-only struct tm valued property using a getter function.
* This function will add a property of type 'struct tm'.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_tm(Object *obj, const char *name,
ObjectProperty *object_property_add_tm(Object *obj, const char *name,
void (*get)(Object *, struct tm *, Error **),
Error **errp);
@ -1669,8 +1681,10 @@ typedef enum {
*
* Add an integer property in memory. This function will add a
* property of type 'uint8'.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_uint8_ptr(Object *obj, const char *name,
ObjectProperty *object_property_add_uint8_ptr(Object *obj, const char *name,
const uint8_t *v, ObjectPropertyFlags flags,
Error **errp);
@ -1690,8 +1704,10 @@ ObjectProperty *object_class_property_add_uint8_ptr(ObjectClass *klass,
*
* Add an integer property in memory. This function will add a
* property of type 'uint16'.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_uint16_ptr(Object *obj, const char *name,
ObjectProperty *object_property_add_uint16_ptr(Object *obj, const char *name,
const uint16_t *v,
ObjectPropertyFlags flags,
Error **errp);
@ -1712,8 +1728,10 @@ ObjectProperty *object_class_property_add_uint16_ptr(ObjectClass *klass,
*
* Add an integer property in memory. This function will add a
* property of type 'uint32'.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_uint32_ptr(Object *obj, const char *name,
ObjectProperty *object_property_add_uint32_ptr(Object *obj, const char *name,
const uint32_t *v,
ObjectPropertyFlags flags,
Error **errp);
@ -1734,8 +1752,10 @@ ObjectProperty *object_class_property_add_uint32_ptr(ObjectClass *klass,
*
* Add an integer property in memory. This function will add a
* property of type 'uint64'.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_uint64_ptr(Object *obj, const char *name,
ObjectProperty *object_property_add_uint64_ptr(Object *obj, const char *name,
const uint64_t *v,
ObjectPropertyFlags flags,
Error **Errp);
@ -1761,8 +1781,10 @@ ObjectProperty *object_class_property_add_uint64_ptr(ObjectClass *klass,
* this property exists. In the case of a child object or an alias on the same
* object this will be the case. For aliases to other objects the caller is
* responsible for taking a reference.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_alias(Object *obj, const char *name,
ObjectProperty *object_property_add_alias(Object *obj, const char *name,
Object *target_obj, const char *target_name,
Error **errp);
@ -1780,8 +1802,10 @@ void object_property_add_alias(Object *obj, const char *name,
* this property exists. In the case @target is a child of @obj,
* this will be the case. Otherwise, the caller is responsible for
* taking a reference.
*
* Returns: The newly added property on success, or %NULL on failure.
*/
void object_property_add_const_link(Object *obj, const char *name,
ObjectProperty *object_property_add_const_link(Object *obj, const char *name,
Object *target, Error **errp);
/**

250
qom/object.c
View File

@ -1646,33 +1646,30 @@ static void object_finalize_child_property(Object *obj, const char *name,
object_unref(child);
}
void object_property_add_child(Object *obj, const char *name,
Object *child, Error **errp)
ObjectProperty *
object_property_add_child(Object *obj, const char *name,
Object *child, Error **errp)
{
Error *local_err = NULL;
char *type;
g_autofree char *type = NULL;
ObjectProperty *op;
if (child->parent != NULL) {
error_setg(errp, "child object is already parented");
return;
return NULL;
}
type = g_strdup_printf("child<%s>", object_get_typename(OBJECT(child)));
op = object_property_add(obj, name, type, object_get_child_property, NULL,
object_finalize_child_property, child, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto out;
object_finalize_child_property, child, errp);
if (!op) {
return NULL;
}
op->resolve = object_resolve_child_property;
object_ref(child);
child->parent = obj;
out:
g_free(type);
return op;
}
void object_property_allow_set_link(const Object *obj, const char *name,
@ -1819,16 +1816,16 @@ static void object_release_link_property(Object *obj, const char *name,
}
}
static void object_add_link_prop(Object *obj, const char *name,
const char *type, void *ptr,
void (*check)(const Object *, const char *,
Object *, Error **),
ObjectPropertyLinkFlags flags,
Error **errp)
static ObjectProperty *
object_add_link_prop(Object *obj, const char *name,
const char *type, void *ptr,
void (*check)(const Object *, const char *,
Object *, Error **),
ObjectPropertyLinkFlags flags,
Error **errp)
{
Error *local_err = NULL;
LinkProperty *prop = g_malloc(sizeof(*prop));
char *full_type;
g_autofree char *full_type = NULL;
ObjectProperty *op;
if (flags & OBJ_PROP_LINK_DIRECT) {
@ -1846,27 +1843,26 @@ static void object_add_link_prop(Object *obj, const char *name,
check ? object_set_link_property : NULL,
object_release_link_property,
prop,
&local_err);
if (local_err) {
error_propagate(errp, local_err);
errp);
if (!op) {
g_free(prop);
goto out;
return NULL;
}
op->resolve = object_resolve_link_property;
out:
g_free(full_type);
return op;
}
void object_property_add_link(Object *obj, const char *name,
const char *type, Object **targetp,
void (*check)(const Object *, const char *,
Object *, Error **),
ObjectPropertyLinkFlags flags,
Error **errp)
ObjectProperty *
object_property_add_link(Object *obj, const char *name,
const char *type, Object **targetp,
void (*check)(const Object *, const char *,
Object *, Error **),
ObjectPropertyLinkFlags flags,
Error **errp)
{
object_add_link_prop(obj, name, type, targetp, check, flags, errp);
return object_add_link_prop(obj, name, type, targetp, check, flags,
errp);
}
ObjectProperty *
@ -1908,11 +1904,13 @@ out:
return op;
}
void object_property_add_const_link(Object *obj, const char *name,
Object *target, Error **errp)
ObjectProperty *
object_property_add_const_link(Object *obj, const char *name,
Object *target, Error **errp)
{
object_add_link_prop(obj, name, object_get_typename(target), target,
NULL, OBJ_PROP_LINK_DIRECT, errp);
return object_add_link_prop(obj, name,
object_get_typename(target), target,
NULL, OBJ_PROP_LINK_DIRECT, errp);
}
char *object_get_canonical_path_component(Object *obj)
@ -2121,26 +2119,27 @@ static void property_release_str(Object *obj, const char *name,
g_free(prop);
}
void object_property_add_str(Object *obj, const char *name,
char *(*get)(Object *, Error **),
void (*set)(Object *, const char *, Error **),
Error **errp)
ObjectProperty *
object_property_add_str(Object *obj, const char *name,
char *(*get)(Object *, Error **),
void (*set)(Object *, const char *, Error **),
Error **errp)
{
Error *local_err = NULL;
StringProperty *prop = g_malloc0(sizeof(*prop));
ObjectProperty *op;
prop->get = get;
prop->set = set;
object_property_add(obj, name, "string",
get ? property_get_str : NULL,
set ? property_set_str : NULL,
property_release_str,
prop, &local_err);
if (local_err) {
error_propagate(errp, local_err);
op = object_property_add(obj, name, "string",
get ? property_get_str : NULL,
set ? property_set_str : NULL,
property_release_str,
prop, errp);
if (!op) {
g_free(prop);
}
return op;
}
ObjectProperty *
@ -2215,26 +2214,27 @@ static void property_release_bool(Object *obj, const char *name,
g_free(prop);
}
void object_property_add_bool(Object *obj, const char *name,
bool (*get)(Object *, Error **),
void (*set)(Object *, bool, Error **),
Error **errp)
ObjectProperty *
object_property_add_bool(Object *obj, const char *name,
bool (*get)(Object *, Error **),
void (*set)(Object *, bool, Error **),
Error **errp)
{
Error *local_err = NULL;
BoolProperty *prop = g_malloc0(sizeof(*prop));
ObjectProperty *op;
prop->get = get;
prop->set = set;
object_property_add(obj, name, "bool",
get ? property_get_bool : NULL,
set ? property_set_bool : NULL,
property_release_bool,
prop, &local_err);
if (local_err) {
error_propagate(errp, local_err);
op = object_property_add(obj, name, "bool",
get ? property_get_bool : NULL,
set ? property_set_bool : NULL,
property_release_bool,
prop, errp);
if (!op) {
g_free(prop);
}
return op;
}
ObjectProperty *
@ -2301,29 +2301,30 @@ static void property_release_enum(Object *obj, const char *name,
g_free(prop);
}
void object_property_add_enum(Object *obj, const char *name,
const char *typename,
const QEnumLookup *lookup,
int (*get)(Object *, Error **),
void (*set)(Object *, int, Error **),
Error **errp)
ObjectProperty *
object_property_add_enum(Object *obj, const char *name,
const char *typename,
const QEnumLookup *lookup,
int (*get)(Object *, Error **),
void (*set)(Object *, int, Error **),
Error **errp)
{
Error *local_err = NULL;
EnumProperty *prop = g_malloc(sizeof(*prop));
ObjectProperty *op;
prop->lookup = lookup;
prop->get = get;
prop->set = set;
object_property_add(obj, name, typename,
get ? property_get_enum : NULL,
set ? property_set_enum : NULL,
property_release_enum,
prop, &local_err);
if (local_err) {
error_propagate(errp, local_err);
op = object_property_add(obj, name, typename,
get ? property_get_enum : NULL,
set ? property_set_enum : NULL,
property_release_enum,
prop, errp);
if (!op) {
g_free(prop);
}
return op;
}
ObjectProperty *
@ -2414,23 +2415,24 @@ static void property_release_tm(Object *obj, const char *name,
g_free(prop);
}
void object_property_add_tm(Object *obj, const char *name,
void (*get)(Object *, struct tm *, Error **),
Error **errp)
ObjectProperty *
object_property_add_tm(Object *obj, const char *name,
void (*get)(Object *, struct tm *, Error **),
Error **errp)
{
Error *local_err = NULL;
TMProperty *prop = g_malloc0(sizeof(*prop));
ObjectProperty *op;
prop->get = get;
object_property_add(obj, name, "struct tm",
get ? property_get_tm : NULL, NULL,
property_release_tm,
prop, &local_err);
if (local_err) {
error_propagate(errp, local_err);
op = object_property_add(obj, name, "struct tm",
get ? property_get_tm : NULL, NULL,
property_release_tm,
prop, errp);
if (!op) {
g_free(prop);
}
return op;
}
ObjectProperty *
@ -2553,10 +2555,11 @@ static void property_set_uint64_ptr(Object *obj, Visitor *v, const char *name,
*field = value;
}
void object_property_add_uint8_ptr(Object *obj, const char *name,
const uint8_t *v,
ObjectPropertyFlags flags,
Error **errp)
ObjectProperty *
object_property_add_uint8_ptr(Object *obj, const char *name,
const uint8_t *v,
ObjectPropertyFlags flags,
Error **errp)
{
ObjectPropertyAccessor *getter = NULL;
ObjectPropertyAccessor *setter = NULL;
@ -2569,8 +2572,8 @@ void object_property_add_uint8_ptr(Object *obj, const char *name,
setter = property_set_uint8_ptr;
}
object_property_add(obj, name, "uint8",
getter, setter, NULL, (void *)v, errp);
return object_property_add(obj, name, "uint8",
getter, setter, NULL, (void *)v, errp);
}
ObjectProperty *
@ -2594,10 +2597,11 @@ object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name,
getter, setter, NULL, (void *)v, errp);
}
void object_property_add_uint16_ptr(Object *obj, const char *name,
const uint16_t *v,
ObjectPropertyFlags flags,
Error **errp)
ObjectProperty *
object_property_add_uint16_ptr(Object *obj, const char *name,
const uint16_t *v,
ObjectPropertyFlags flags,
Error **errp)
{
ObjectPropertyAccessor *getter = NULL;
ObjectPropertyAccessor *setter = NULL;
@ -2610,8 +2614,8 @@ void object_property_add_uint16_ptr(Object *obj, const char *name,
setter = property_set_uint16_ptr;
}
object_property_add(obj, name, "uint16",
getter, setter, NULL, (void *)v, errp);
return object_property_add(obj, name, "uint16",
getter, setter, NULL, (void *)v, errp);
}
ObjectProperty *
@ -2635,10 +2639,11 @@ object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name,
getter, setter, NULL, (void *)v, errp);
}
void object_property_add_uint32_ptr(Object *obj, const char *name,
const uint32_t *v,
ObjectPropertyFlags flags,
Error **errp)
ObjectProperty *
object_property_add_uint32_ptr(Object *obj, const char *name,
const uint32_t *v,
ObjectPropertyFlags flags,
Error **errp)
{
ObjectPropertyAccessor *getter = NULL;
ObjectPropertyAccessor *setter = NULL;
@ -2651,8 +2656,8 @@ void object_property_add_uint32_ptr(Object *obj, const char *name,
setter = property_set_uint32_ptr;
}
object_property_add(obj, name, "uint32",
getter, setter, NULL, (void *)v, errp);
return object_property_add(obj, name, "uint32",
getter, setter, NULL, (void *)v, errp);
}
ObjectProperty *
@ -2676,10 +2681,11 @@ object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name,
getter, setter, NULL, (void *)v, errp);
}
void object_property_add_uint64_ptr(Object *obj, const char *name,
const uint64_t *v,
ObjectPropertyFlags flags,
Error **errp)
ObjectProperty *
object_property_add_uint64_ptr(Object *obj, const char *name,
const uint64_t *v,
ObjectPropertyFlags flags,
Error **errp)
{
ObjectPropertyAccessor *getter = NULL;
ObjectPropertyAccessor *setter = NULL;
@ -2692,8 +2698,8 @@ void object_property_add_uint64_ptr(Object *obj, const char *name,
setter = property_set_uint64_ptr;
}
object_property_add(obj, name, "uint64",
getter, setter, NULL, (void *)v, errp);
return object_property_add(obj, name, "uint64",
getter, setter, NULL, (void *)v, errp);
}
ObjectProperty *
@ -2754,19 +2760,19 @@ static void property_release_alias(Object *obj, const char *name, void *opaque)
g_free(prop);
}
void object_property_add_alias(Object *obj, const char *name,
Object *target_obj, const char *target_name,
Error **errp)
ObjectProperty *
object_property_add_alias(Object *obj, const char *name,
Object *target_obj, const char *target_name,
Error **errp)
{
AliasProperty *prop;
ObjectProperty *op;
ObjectProperty *target_prop;
char *prop_type;
Error *local_err = NULL;
g_autofree char *prop_type = NULL;
target_prop = object_property_find(target_obj, target_name, errp);
if (!target_prop) {
return;
return NULL;
}
if (object_property_is_child(target_prop)) {
@ -2784,12 +2790,12 @@ void object_property_add_alias(Object *obj, const char *name,
property_get_alias,
property_set_alias,
property_release_alias,
prop, &local_err);
if (local_err) {
error_propagate(errp, local_err);
prop, errp);
if (!op) {
g_free(prop);
goto out;
return NULL;
}
op->resolve = property_resolve_alias;
if (target_prop->defval) {
op->defval = qobject_ref(target_prop->defval);
@ -2798,9 +2804,7 @@ void object_property_add_alias(Object *obj, const char *name,
object_property_set_description(obj, op->name,
target_prop->description,
&error_abort);
out:
g_free(prop_type);
return op;
}
void object_property_set_description(Object *obj, const char *name,