/* * KernelEx * * Copyright (C) 2008, Tihiy * This file is part of KernelEx source code. * * KernelEx 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; version 2 of the License. * * KernelEx 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 GNU Make; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include static BOOL IsValidHeap(HANDLE hHeap) { WORD *sig; if ( IsBadReadPtr(hHeap,0x74) ) return FALSE; sig = (WORD*)((DWORD)hHeap+0x72); if ( *sig != 0x4948 ) return FALSE; return TRUE; } /* MAKE_EXPORT HeapLock_new=HeapLock */ BOOL WINAPI HeapLock_new( HANDLE hHeap ) { if ( !IsValidHeap(hHeap) ) return FALSE; EnterCriticalSection((CRITICAL_SECTION*)((DWORD)hHeap+0x50)); return TRUE; } /* MAKE_EXPORT HeapUnlock_new=HeapUnlock */ BOOL WINAPI HeapUnlock_new( HANDLE hHeap ) { if ( !IsValidHeap(hHeap) ) return FALSE; LeaveCriticalSection((CRITICAL_SECTION*)((DWORD)hHeap+0x50)); return TRUE; }