gecko-dev/xpcom/glue/nsISupportsImpl.cpp

27 строки
729 B
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupportsImpl.h"
nsresult NS_FASTCALL
NS_TableDrivenQI(void* aThis, REFNSIID aIID, void **aInstancePtr,
const QITableEntry* entries)
{
do {
if (aIID.Equals(*entries->iid)) {
nsISupports* r =
reinterpret_cast<nsISupports*>
(reinterpret_cast<char*>(aThis) + entries->offset);
NS_ADDREF(r);
*aInstancePtr = r;
return NS_OK;
}
++entries;
} while (entries->iid);
*aInstancePtr = nullptr;
return NS_ERROR_NO_INTERFACE;
}