KasmVNC/win/rfb_win32/LocalMem.h

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2020-09-20 14:16:44 +02:00
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifndef __RFB_WIN32_LOCALMEM_H__
#define __RFB_WIN32_LOCALMEM_H__
#include <windows.h>
#include <rdr/Exception.h>
namespace rfb {
namespace win32 {
// Allocate and/or manage LocalAlloc memory.
struct LocalMem {
LocalMem(int size) : ptr(LocalAlloc(LMEM_FIXED, size)) {
if (!ptr) throw rdr::SystemException("LocalAlloc", GetLastError());
}
LocalMem(void* p) : ptr(p) {}
~LocalMem() {LocalFree(ptr);}
operator void*() {return ptr;}
void* takePtr() {
void* t = ptr; ptr = 0; return t;
}
void* ptr;
};
};
};
#endif