Current File : //usr/src/vboxhost-7.0.26/vboxdrv/common/alloc/alloc.c
/* $Id: alloc.cpp 155244 2023-01-17 14:15:46Z bird $ */
/** @file
* IPRT - Memory Allocation.
*/
/*
* Copyright (C) 2006-2023 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 *
*********************************************************************************************************************************/
#ifndef RTMEM_NO_WRAP_TO_EF_APIS
# define RTMEM_NO_WRAP_TO_EF_APIS
#endif
#include <iprt/mem.h>
#include "internal/iprt.h"
#include <iprt/assert.h>
#include <iprt/string.h>
RTDECL(void *) RTMemDupTag(const void *pvSrc, size_t cb, const char *pszTag) RT_NO_THROW_DEF
{
void *pvDst = RTMemAllocTag(cb, pszTag);
if (pvDst)
memcpy(pvDst, pvSrc, cb);
return pvDst;
}
RT_EXPORT_SYMBOL(RTMemDupTag);
RTDECL(void *) RTMemDupExTag(const void *pvSrc, size_t cbSrc, size_t cbExtra, const char *pszTag) RT_NO_THROW_DEF
{
void *pvDst = RTMemAllocTag(cbSrc + cbExtra, pszTag);
if (pvDst)
{
memcpy(pvDst, pvSrc, cbSrc);
memset((uint8_t *)pvDst + cbSrc, 0, cbExtra);
}
return pvDst;
}
RT_EXPORT_SYMBOL(RTMemDupExTag);
RTDECL(void *) RTMemReallocZTag(void *pvOld, size_t cbOld, size_t cbNew, const char *pszTag) RT_NO_THROW_DEF
{
void *pvDst = RTMemReallocTag(pvOld, cbNew, pszTag);
if (pvDst && cbNew > cbOld)
memset((uint8_t *)pvDst + cbOld, 0, cbNew - cbOld);
return pvDst;
}
RT_EXPORT_SYMBOL(RTMemReallocZTag);
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