SecItemUpdate

sec_item_cpp_snippet.md

OSStatus
SecItemUpdate(CFDictionaryRef query, CFDictionaryRef attributesToUpdate)
{
    ...
	OSStatus status_osx = errSecItemNotFound, status_ios = errSecItemNotFound;
	bool can_target_ios, can_target_osx;
	OSStatus status = SecItemCategorizeQuery(query, can_target_ios, can_target_osx);
    ...

	if (can_target_ios) {
          ...
          status_ios = SecItemUpdate_ios(attrs_ios, attributesToUpdate);
        ...
	}

	if (can_target_osx) {
         ...
         if (SecItemHasSynchronizableUpdate(false, attributesToUpdate))
            status_osx = SecItemChangeSynchronizability(attrs_osx, attributesToUpdate, true);
         else
            status_osx = SecItemUpdate_osx(attrs_osx, attributesToUpdate);
         ...
	}
    ...
}