home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
ocl150a.zip
/
OCL
/
Include
/
OBuffer.hpp
< prev
next >
Wrap
C/C++ Source or Header
|
1996-08-12
|
3KB
|
111 lines
// OCL - OS/2 Class Library
// (c) Cubus 1995
// All Rights Reserved
// OBuffer.hpp
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Neither the name Cubus nor the name Team OCL may be used to
* endorse or promote products derived from this software
* without specific prior written permission.
* 3. See OCL.INF for a detailed copyright notice.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
// $Header: W:/Projects/OCL/INCLUDE/rcs/OBuffer.hpp 1.1 1996/08/12 00:01:10 B.STEIN Release $
#ifndef OBUFFER_INCLUDED
#define OBUFFER_INCLUDED
#ifndef OCLOBJECT_INCLUDED
#include <OCLObject.hpp>
#endif
#ifndef OVIOEXCEPTION_INCLUDED
#include <OVioException.hpp>
#endif
typedef class OBuffer *pOBuffer;
class __CPP_EXPORT__ OBuffer
: public OCLObject
{
protected:
PBYTE memPtr;
ULONG memSize;
ULONG allocSize;
public:
enum MemoryFlags
{
ALLOC = PAG_READ | PAG_WRITE | PAG_COMMIT,
DEFAULT = PAG_DEFAULT,
READ = PAG_READ,
WRITE = PAG_WRITE,
COMMIT = PAG_COMMIT,
DECOMMIT = PAG_DECOMMIT,
GUARD = PAG_GUARD,
EXECUTE = PAG_EXECUTE,
TILED = OBJ_TILE
};
enum MemorySizes
{
PAGESIZE = 4096,
MAXPATH = CCHMAXPATH,
MOSTFIT = 262144,
TILESIZE = 65536
};
OBuffer (const ULONG sizeInBytes,
const ULONG flags = OBuffer::ALLOC);
virtual
~OBuffer ();
virtual
PSZ isOfType () const;
void
commit (const ULONG sizeInBytes),
decommit (const ULONG sizeInBytes),
freeBuffer ();
ULONG
allocated (),
committed ();
PBYTE
getPtr ();
inline operator PBYTE () const { return(memPtr); }
};
#endif // OBUFFER_INCLUDED
// end of source