path: root/src/corelib/global/qalloc.cpp

// Copyright (C) 2025 Aurélien Brooke <aurelien@bahiasoft.fr>// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only#include"qalloc.h"#include <QtCore/qalgorithms.h>#include <QtCore/qtpreprocessorsupport.h>#include <cstdlib>#if QT_CONFIG(jemalloc)#include <jemalloc/jemalloc.h>#endif QT_BEGIN_NAMESPACE size_tQtPrivate::expectedAllocSize(size_t allocSize,size_t alignment) noexcept {Q_ASSERT(qPopulationCount(alignment) ==1);#if QT_CONFIG(jemalloc)return::nallocx(allocSize,MALLOCX_ALIGN(alignment));#endifQ_UNUSED(allocSize);Q_UNUSED(alignment);return0;}voidQtPrivate::sizedFree(void*ptr,size_t allocSize) noexcept {#if QT_CONFIG(jemalloc)// jemalloc is okay with free(nullptr), as required by the standard,// but will asssert (in debug) or invoke UB (in release) on sdallocx(nullptr, ...),// so don't allow Qt to do that.if(Q_LIKELY(ptr)) {::sdallocx(ptr, allocSize,0);return;}#endifQ_UNUSED(allocSize);::free(ptr);} QT_END_NAMESPACE