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qom: add property get/set wrappers for links

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These can set a link to any object, as long as it is included in
the composition tree.

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-02-02 10:51:57 +01:00
parent a1e7efdcef
commit 1d9c5a12ce
2 changed files with 48 additions and 0 deletions
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24
include/qemu/object.h
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@ -645,6 +645,30 @@ void object_property_set_str(Object *obj, const char *value,
char *object_property_get_str(Object *obj, const char *name,
struct Error **errp);
/**
* object_property_set_link:
* @value: the value to be written to the property
* @name: the name of the property
* @errp: returns an error if this function fails
*
* Writes an object's canonical path to a property.
*/
void object_property_set_link(Object *obj, Object *value,
const char *name, struct Error **errp);
/**
* object_property_get_link:
* @obj: the object
* @name: the name of the property
* @errp: returns an error if this function fails
*
* Returns: the value of the property, resolved from a path to an Object,
* or NULL if an error occurs (including when the property value is not a
* string or not a valid object path).
*/
Object *object_property_get_link(Object *obj, const char *name,
struct Error **errp);
/**
* object_property_set_bool:
* @value: the value to be written to the property