The array property registration code is hard to follow. Move the two steps into separate functions that have clear responsibilities.
Signed-off-by: Eduardo Habkost <ehabk...@redhat.com> --- Cc: Paolo Bonzini <pbonz...@redhat.com> Cc: "Daniel P. Berrangé" <berra...@redhat.com> Cc: Eduardo Habkost <ehabk...@redhat.com> Cc: qemu-devel@nongnu.org --- hw/core/qdev-properties.c | 60 ++++++++++++++++++++++++++------------- 1 file changed, 41 insertions(+), 19 deletions(-) diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 27c09255d7..1f06dfb5d5 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -588,6 +588,32 @@ typedef struct { ObjectPropertyRelease *release; } ArrayElementProperty; +/** + * Create ArrayElementProperty based on array length property + * @array_len_prop (which was previously defined using DEFINE_PROP_ARRAY()). + */ +static ArrayElementProperty *array_element_new(Object *obj, + Property *array_len_prop, + const char *arrayname, + int index, + void *eltptr) +{ + char *propname = g_strdup_printf("%s[%d]", arrayname, index); + ArrayElementProperty *arrayprop = g_new0(ArrayElementProperty, 1); + arrayprop->release = array_len_prop->arrayinfo->release; + arrayprop->propname = propname; + arrayprop->prop.info = array_len_prop->arrayinfo; + arrayprop->prop.name = propname; + /* This ugly piece of pointer arithmetic sets up the offset so + * that when the underlying get/set hooks call qdev_get_prop_ptr + * they get the right answer despite the array element not actually + * being inside the device struct. + */ + arrayprop->prop.offset = eltptr - (void *)obj; + assert(qdev_get_prop_ptr(obj, &arrayprop->prop) == eltptr); + return arrayprop; +} + /* object property release callback for array element properties: * we call the underlying element's property release hook, and * then free the memory we allocated when we added the property. @@ -602,6 +628,18 @@ static void array_element_release(Object *obj, const char *name, void *opaque) g_free(p); } +static void object_property_add_array_element(Object *obj, + Property *array_len_prop, + ArrayElementProperty *prop) +{ + object_property_add(obj, prop->prop.name, + prop->prop.info->name, + static_prop_getter(prop->prop.info), + static_prop_setter(prop->prop.info), + array_element_release, + prop); +} + static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { @@ -641,25 +679,9 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, */ *arrayptr = eltptr = g_malloc0(*alenptr * prop->arrayfieldsize); for (i = 0; i < *alenptr; i++, eltptr += prop->arrayfieldsize) { - char *propname = g_strdup_printf("%s[%d]", arrayname, i); - ArrayElementProperty *arrayprop = g_new0(ArrayElementProperty, 1); - arrayprop->release = prop->arrayinfo->release; - arrayprop->propname = propname; - arrayprop->prop.info = prop->arrayinfo; - arrayprop->prop.name = propname; - /* This ugly piece of pointer arithmetic sets up the offset so - * that when the underlying get/set hooks call qdev_get_prop_ptr - * they get the right answer despite the array element not actually - * being inside the device struct. - */ - arrayprop->prop.offset = eltptr - (void *)obj; - assert(qdev_get_prop_ptr(obj, &arrayprop->prop) == eltptr); - object_property_add(obj, propname, - arrayprop->prop.info->name, - static_prop_getter(arrayprop->prop.info), - static_prop_setter(arrayprop->prop.info), - array_element_release, - arrayprop); + ArrayElementProperty *elt_prop = array_element_new(obj, prop, arrayname, + i, eltptr); + object_property_add_array_element(obj, prop, elt_prop); } } -- 2.28.0