rtxStreamMemory.h

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/*
 * Copyright (c) 2003-2023 Objective Systems, Inc.
 *
 * This software is furnished under a license and may be used and copied
 * only in accordance with the terms of such license and with the
 * inclusion of the above copyright notice. This software or any other
 * copies thereof may not be provided or otherwise made available to any
 * other person. No title to and ownership of the software is hereby
 * transferred.
 *
 * The information in this software is subject to change without notice
 * and should not be construed as a commitment by Objective Systems, Inc.
 *
 * PROPRIETARY NOTICE
 *
 * This software is an unpublished work subject to a confidentiality agreement
 * and is protected by copyright and trade secret law.  Unauthorized copying,
 * redistribution or other use of this work is prohibited.
 *
 * The above notice of copyright on this source code product does not indicate
 * any actual or intended publication of such source code.
 *
 *****************************************************************************/
#ifndef _RTXSTREAMMEMORY_H_
#define _RTXSTREAMMEMORY_H_

#ifndef _NO_STREAM

#include "rtxsrc/rtxStream.h"

typedef struct DirBufDesc {
   OSCTXT* pctxt;
   OSRTSTREAM* pUnderStream; /* underlying stream object */
   size_t   savedIndex;
} DirBufDesc;

#ifdef __cplusplus
extern "C" {
#endif

EXTERNRT int rtxStreamMemoryCreate (OSCTXT* pctxt, OSUINT16 flags);

EXTERNRT int rtxStreamMemoryAttach (OSCTXT* pctxt, OSOCTET* pMemBuf,
                                     size_t bufSize, OSUINT16 flags);

EXTERNRT OSOCTET* rtxStreamMemoryGetBuffer (OSCTXT* pctxt, size_t* pSize);

EXTERNRT int rtxStreamMemoryCreateReader
   (OSCTXT* pctxt, OSOCTET* pMemBuf, size_t bufSize);

EXTERNRT int rtxStreamMemoryCreateWriter
   (OSCTXT* pctxt, OSOCTET* pMemBuf, size_t bufSize);

EXTERNRT int rtxStreamMemoryResetWriter (OSCTXT* pctxt);

#ifdef __cplusplus
}
#endif

#endif /* _NO_STREAM */
#endif /* _RTXSTREAMMEMORY_H_ */