gecko-dev/xpcom/glue/nsISupportsImpl.cpp

28 строки
831 B
C++
Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
2012-05-21 15:12:37 +04:00
/* 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* aEntries)
{
do {
if (aIID.Equals(*aEntries->iid)) {
nsISupports* r = reinterpret_cast<nsISupports*>(
reinterpret_cast<char*>(aThis) + aEntries->offset);
NS_ADDREF(r);
*aInstancePtr = r;
return NS_OK;
}
++aEntries;
} while (aEntries->iid);
*aInstancePtr = nullptr;
return NS_ERROR_NO_INTERFACE;
}