MDItemsCopyAttributes

objc2_core_services

Function MDItemsCopyAttributes 

Source 
pub unsafe extern "C-unwind" fn MDItemsCopyAttributes(
    items: Option<&CFArray>,
    names: Option<&CFArray>,
) -> Option<CFRetained<CFArray>>
Available on crate feature MDItem only.
Expand description

Returns metadata for the given items.

Parameter items: A CFArray of MDItemRefs to items for which to fetch data

Parameter names: A CFArray of attribute names for which to fetch data. The attribute names are CFStrings

Returns: A CFArrayRef, or NULL on failure. Each entry in the array is either kCFNull, if the item is not accessible, or a CFArray of attribute values. If an attribute is not available, there will be a kCFNull in its slot in the nested array.

ยงSafety

  • items generic must be of the correct type.
  • items might not allow None.
  • names generic must be of the correct type.
  • names might not allow None.