diff options
| -rw-r--r-- | include/qom/object.h | 50 | ||||
| -rw-r--r-- | qom/object.c | 250 |
2 files changed, 164 insertions, 136 deletions
diff --git a/include/qom/object.h b/include/qom/object.h index 4df9ecebad..0ea5808432 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -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); /** diff --git a/qom/object.c b/qom/object.c index 54a26ed16a..4e5b2ecacd 100644 --- a/qom/object.c +++ b/qom/object.c @@ -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, |