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/*
* Copyright (C) 2008-2012, OctaneSnail <os@v12pwr.com>
*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ANCHOR_H
#define ANCHOR_H
#include <windows.h>
template <class T> class Anchor
{
public:
Anchor (T **value) : value (value) { }
Anchor (void) : value (NULL) { }
~Anchor (void) { if (value) { delete *value; *value = NULL; } }
void Set (T **value) { this->value = value; }
void Release (void) { value = NULL; }
private:
T **value;
};
template <class T> class ArrayAnchor
{
public:
ArrayAnchor (T **value) : value (value) { }
ArrayAnchor (void) : value (NULL) { }
~ArrayAnchor (void) { if (value) { delete [] *value; *value = NULL; } }
void Set (T **value) { this->value = value; }
void Release (void) { value = NULL; }
private:
T **value;
};
template <> class Anchor<HANDLE>
{
public:
Anchor (HANDLE *value) : value (value) { }
Anchor (void) : value (NULL) { }
~Anchor (void) { Close (); }
void Set (HANDLE *val) { value = val; }
void Release (void) { value = NULL; }
void Close (void)
{
if (value && *value != INVALID_HANDLE_VALUE)
{
CloseHandle (*value);
*value = INVALID_HANDLE_VALUE;
}
}
private:
HANDLE *value;
};
#endif // ANCHOR_H
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