reactos/dll/win32/netapi32/apibuf.c

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/*
* Copyright 2002 Andriy Palamarchuk
*
* Net API buffer calls
*
* 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "netapi32.h"
WINE_DEFAULT_DEBUG_CHANNEL(netapi32);
/************************************************************
* NetApiBufferAllocate (NETAPI32.@)
*/
NET_API_STATUS WINAPI NetApiBufferAllocate(DWORD ByteCount, LPVOID* Buffer)
{
TRACE("(%d, %p)\n", ByteCount, Buffer);
if (Buffer == NULL) return ERROR_INVALID_PARAMETER;
*Buffer = HeapAlloc(GetProcessHeap(), 0, ByteCount);
if (*Buffer)
return NERR_Success;
else
return GetLastError();
}
/************************************************************
* NetApiBufferFree (NETAPI32.@)
*/
NET_API_STATUS WINAPI NetApiBufferFree(LPVOID Buffer)
{
TRACE("(%p)\n", Buffer);
HeapFree(GetProcessHeap(), 0, Buffer);
return NERR_Success;
}
/************************************************************
* NetApiBufferReallocate (NETAPI32.@)
*/
NET_API_STATUS WINAPI NetApiBufferReallocate(LPVOID OldBuffer, DWORD NewByteCount,
LPVOID* NewBuffer)
{
TRACE("(%p, %d, %p)\n", OldBuffer, NewByteCount, NewBuffer);
if (NewByteCount)
{
if (OldBuffer)
*NewBuffer = HeapReAlloc(GetProcessHeap(), 0, OldBuffer, NewByteCount);
else
*NewBuffer = HeapAlloc(GetProcessHeap(), 0, NewByteCount);
return *NewBuffer ? NERR_Success : GetLastError();
}
else
{
if (!HeapFree(GetProcessHeap(), 0, OldBuffer))
return GetLastError();
*NewBuffer = 0;
return NERR_Success;
}
}
/************************************************************
* NetApiBufferSize (NETAPI32.@)
*/
NET_API_STATUS WINAPI NetApiBufferSize(LPVOID Buffer, LPDWORD ByteCount)
{
DWORD dw;
TRACE("(%p, %p)\n", Buffer, ByteCount);
if (Buffer == NULL)
return ERROR_INVALID_PARAMETER;
dw = HeapSize(GetProcessHeap(), 0, Buffer);
TRACE("size: %d\n", dw);
if (dw != 0xFFFFFFFF)
*ByteCount = dw;
else
*ByteCount = 0;
return NERR_Success;
}