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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 19 */ 20 21 #include "netapi32.h" 22 23 WINE_DEFAULT_DEBUG_CHANNEL(netapi32); 24 25 /************************************************************ 26 * NetApiBufferAllocate (NETAPI32.@) 27 */ 28 NET_API_STATUS WINAPI NetApiBufferAllocate(DWORD ByteCount, LPVOID* Buffer) 29 { 30 TRACE("(%d, %p)\n", ByteCount, Buffer); 31 32 if (Buffer == NULL) return ERROR_INVALID_PARAMETER; 33 *Buffer = HeapAlloc(GetProcessHeap(), 0, ByteCount); 34 if (*Buffer) 35 return NERR_Success; 36 else 37 return GetLastError(); 38 } 39 40 /************************************************************ 41 * NetApiBufferFree (NETAPI32.@) 42 */ 43 NET_API_STATUS WINAPI NetApiBufferFree(LPVOID Buffer) 44 { 45 TRACE("(%p)\n", Buffer); 46 HeapFree(GetProcessHeap(), 0, Buffer); 47 return NERR_Success; 48 } 49 50 /************************************************************ 51 * NetApiBufferReallocate (NETAPI32.@) 52 */ 53 NET_API_STATUS WINAPI NetApiBufferReallocate(LPVOID OldBuffer, DWORD NewByteCount, 54 LPVOID* NewBuffer) 55 { 56 TRACE("(%p, %d, %p)\n", OldBuffer, NewByteCount, NewBuffer); 57 if (NewByteCount) 58 { 59 if (OldBuffer) 60 *NewBuffer = HeapReAlloc(GetProcessHeap(), 0, OldBuffer, NewByteCount); 61 else 62 *NewBuffer = HeapAlloc(GetProcessHeap(), 0, NewByteCount); 63 return *NewBuffer ? NERR_Success : GetLastError(); 64 } 65 else 66 { 67 if (!HeapFree(GetProcessHeap(), 0, OldBuffer)) 68 return GetLastError(); 69 *NewBuffer = 0; 70 return NERR_Success; 71 } 72 } 73 74 /************************************************************ 75 * NetApiBufferSize (NETAPI32.@) 76 */ 77 NET_API_STATUS WINAPI NetApiBufferSize(LPVOID Buffer, LPDWORD ByteCount) 78 { 79 DWORD dw; 80 81 TRACE("(%p, %p)\n", Buffer, ByteCount); 82 if (Buffer == NULL) 83 return ERROR_INVALID_PARAMETER; 84 dw = HeapSize(GetProcessHeap(), 0, Buffer); 85 TRACE("size: %d\n", dw); 86 if (dw != 0xFFFFFFFF) 87 *ByteCount = dw; 88 else 89 *ByteCount = 0; 90 91 return NERR_Success; 92 } 93