diff options
Diffstat (limited to 'src/VBox/Runtime/common/sort/nocrt-qsort.cpp')
-rw-r--r-- | src/VBox/Runtime/common/sort/nocrt-qsort.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/sort/nocrt-qsort.cpp b/src/VBox/Runtime/common/sort/nocrt-qsort.cpp new file mode 100644 index 00000000..cfe66fa0 --- /dev/null +++ b/src/VBox/Runtime/common/sort/nocrt-qsort.cpp @@ -0,0 +1,70 @@ +/* $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); + |