dlls/netapi32/apibuf.c

   1 /*
   2  * Copyright 2002 Andriy Palamarchuk
   3  *
   4  * Net API buffer calls
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "winbase.h"
  22 #include "lmcons.h"
  23 #include "lmapibuf.h"
  24 #include "lmerr.h"
  25 #include "winerror.h"
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(netapi32);
  29
  30 /************************************************************
  31  *                NetApiBufferAllocate  (NETAPI32.@)
  32  */
  33 NET_API_STATUS WINAPI NetApiBufferAllocate(DWORD ByteCount, LPVOID* Buffer)
  34 {
  35     TRACE("(%ld, %p)\n", ByteCount, Buffer);
  36     *Buffer = HeapAlloc(GetProcessHeap(), 0, ByteCount);
  37     if (*Buffer)
  38         return NERR_Success;
  39     else
  40         return GetLastError();
  41 }
  42
  43 /************************************************************
  44  *                NetApiBufferFree  (NETAPI32.@)
  45  */
  46 NET_API_STATUS WINAPI NetApiBufferFree(LPVOID Buffer)
  47 {
  48     TRACE("(%p)\n", Buffer);
  49     HeapFree(GetProcessHeap(), 0, Buffer);
  50     return NERR_Success;
  51 }
  52
  53 /************************************************************
  54  *                NetApiBufferReallocate  (NETAPI32.@)
  55  */
  56 NET_API_STATUS WINAPI NetApiBufferReallocate(LPVOID OldBuffer, DWORD NewByteCount,
  57                                              LPVOID* NewBuffer)
  58 {
  59     TRACE("(%p, %ld, %p)\n", OldBuffer, NewByteCount, NewBuffer);
  60     *NewBuffer = HeapReAlloc(GetProcessHeap(), 0, OldBuffer, NewByteCount);
  61     if (*NewBuffer)
  62         return NERR_Success;
  63     else
  64         return GetLastError();
  65 }
  66
  67 /************************************************************
  68  *                NetApiBufferSize  (NETAPI32.@)
  69  */
  70 NET_API_STATUS WINAPI NetApiBufferSize(LPVOID Buffer, LPDWORD ByteCount)
  71 {
  72     DWORD dw;
  73
  74     TRACE("(%p, %p)\n", Buffer, ByteCount);
  75     if (Buffer == NULL)
  76         return ERROR_INVALID_PARAMETER;
  77     dw = HeapSize(GetProcessHeap(), 0, Buffer);
  78     TRACE("size: %ld\n", dw);
  79     if (dw != 0xFFFFFFFF)
  80         *ByteCount = dw;
  81     else
  82         *ByteCount = 0;
  83
  84     return NERR_Success;
  85 }