mirror of
https://github.com/UzixLS/KernelEx.git
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62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/*
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* KernelEx
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* Copyright (C) 2009, Xeno86
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*
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* This file is part of KernelEx source code.
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*
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* KernelEx is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; version 2 of the License.
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*
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* KernelEx is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <windows.h>
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#include "storage.h"
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#include "internals.h"
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#include "debug.h"
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struct PDB_KEX : PDB98
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{
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void* kex_data_storage;
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};
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const int storage::storage_size = 0x1000;
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storage* storage::get_storage(bool alloc)
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{
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PDB_KEX* pdb = (PDB_KEX*) *pppdbCur;
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storage* s = (storage*) pdb->kex_data_storage;
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if (!s && alloc)
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{
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pdb->kex_data_storage = VirtualAlloc(NULL, storage_size,
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MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
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DBGASSERT(pdb->kex_data_storage != NULL);
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memset(pdb->kex_data_storage, 0, storage_size);
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s = (storage*) pdb->kex_data_storage;
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s->size = 0;
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}
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return s;
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}
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void storage::return_storage()
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{
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PDB_KEX* pdb = (PDB_KEX*) *pppdbCur;
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if (pdb->kex_data_storage)
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{
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BOOL ret = VirtualFree(pdb->kex_data_storage, 0, MEM_RELEASE);
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DBGASSERT(ret != FALSE);
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pdb->kex_data_storage = NULL;
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}
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}
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