/* Editor Settings: expandtabs and use 4 spaces for indentation
 * ex: set softtabstop=4 tabstop=8 expandtab shiftwidth=4: *
 * -*- mode: c, c-basic-offset: 4 -*- */

/*
 * Copyright (c) Likewise Software.  All rights Reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the license, or (at
 * your option) any later version.
 *
 * This library 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 Lesser
 * General Public License for more details.  You should have received a copy
 * of the GNU Lesser General Public License along with this program.  If
 * not, see <http://www.gnu.org/licenses/>.
 *
 * LIKEWISE SOFTWARE MAKES THIS SOFTWARE AVAILABLE UNDER OTHER LICENSING
 * TERMS AS WELL.  IF YOU HAVE ENTERED INTO A SEPARATE LICENSE AGREEMENT
 * WITH LIKEWISE SOFTWARE, THEN YOU MAY ELECT TO USE THE SOFTWARE UNDER THE
 * TERMS OF THAT SOFTWARE LICENSE AGREEMENT INSTEAD OF THE TERMS OF THE GNU
 * LESSER GENERAL PUBLIC LICENSE, NOTWITHSTANDING THE ABOVE NOTICE.  IF YOU
 * HAVE QUESTIONS, OR WISH TO REQUEST A COPY OF THE ALTERNATE LICENSING
 * TERMS OFFERED BY LIKEWISE SOFTWARE, PLEASE CONTACT LIKEWISE SOFTWARE AT
 * license@likewisesoftware.com
 */

/*
 * Copyright (C) Likewise Software. All rights reserved.
 *
 * Module Name:
 *
 *        lwmem.c
 *
 * Abstract:
 *
 *        Likewise Advanced API (lwadvapi) Memory Utilities
 *
 * Authors: Krishna Ganugapati (krishnag@likewisesoftware.com)
 *          Sriram Nambakam (snambakam@likewisesoftware.com)
 */
#include "includes.h"

LW_DWORD
LwAllocateMemory(
    LW_IN LW_DWORD dwSize,
    LW_OUT LW_PVOID* ppMemory
    )
{
    DWORD dwError = 0;
    PVOID pMemory = NULL;

    pMemory = malloc(dwSize);
    if (!pMemory){
        dwError = LW_ERROR_OUT_OF_MEMORY;
        *ppMemory = NULL;
    }else {
        memset(pMemory,0, dwSize);
        *ppMemory = pMemory;
    }

    return dwError;
}

LW_DWORD
LwReallocMemory(
    LW_IN LW_PVOID pMemory,
    LW_OUT LW_PVOID* ppNewMemory,
    LW_IN LW_DWORD dwSize
    )
{
    DWORD dwError = 0;
    PVOID pNewMemory = NULL;

    if (pMemory == NULL) {
       pNewMemory = malloc(dwSize);
       memset(pNewMemory, 0, dwSize);
    }else {
       pNewMemory = realloc(pMemory, dwSize);
    }
    if (!pNewMemory){
       dwError = LW_ERROR_OUT_OF_MEMORY;
       *ppNewMemory = NULL;
    }else {
       *ppNewMemory = pNewMemory;
    }

    return dwError;
}

LW_VOID
LwFreeMemory(
    LW_IN LW_OUT LW_PVOID pMemory
    )
{
    free(pMemory);
}