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/* $Id: nocrt-qsort.cpp $ */
/** @file
* IPRT - No-CRT - qsort().
*/
/*
* Copyright (C) 2022-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define IPRT_NO_CRT_FOR_3RD_PARTY
#include "internal/nocrt.h"
#include <iprt/nocrt/stdlib.h>
#include <iprt/sort.h>
#if !defined(RT_ARCH_AMD64) /* ASSUMING the regular calling convention */ \
&& !defined(RT_ARCH_X86) /* ASSUMING __cdecl, won't work for __stdcall or __fastcall. */
# define NEED_COMPARE_WRAPPER
/** @callback_method_impl{FNRTSORTCMP} */
static int DECLCALLBACK(int) CompareWrapper(void const *pvElement1, void const *pvElement2, void *pvUser))
{
int (*pfnCompare)(const void *pv1, const void *pv2) = (int (*)(const void *pv1, const void *pv2))(uintptr_t)pvUser;
return pfnCompare(pvElement1, pvElement2);
}
#endif
#undef qsort
void RT_NOCRT(qsort)(void *pvBase, size_t cEntries, size_t cbEntry,
int (*pfnCompare)(const void *pv1, const void *pv2))
{
/** @todo Implement and use RTSortQuick! */
#ifdef NEED_COMPARE_WRAPPER
RTSortShell(pvBase, cEntries, cbEntry, CompareWrapper, (void *)(uintptr_t)pfnCompare);
#else
RTSortShell(pvBase, cEntries, cbEntry, (PFNRTSORTCMP)pfnCompare, NULL);
#endif
}
RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(qsort);
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