80 lines
3.7 KiB
C
80 lines
3.7 KiB
C
/*
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* This file is part of the COMROGUE Operating System for Raspberry Pi
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*
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* Copyright (c) 2013, Eric J. Bowersox / Erbosoft Enterprises
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* All rights reserved.
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*
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* This program is free for commercial and non-commercial use as long as the following conditions are
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* adhered to.
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*
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* Copyright in this file remains Eric J. Bowersox and/or Erbosoft, and as such any copyright notices
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* in the code are not to be removed.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted
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* provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of conditions and
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* the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
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* the following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* "Raspberry Pi" is a trademark of the Raspberry Pi Foundation.
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*/
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#ifndef __ENUMGENERIC_H_INCLUDED
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#define __ENUMGENERIC_H_INCLUDED
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#ifdef __COMROGUE_INTERNALS__
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#ifndef __ASM__
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#include <comrogue/types.h>
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#include <comrogue/objectbase.h>
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#include <comrogue/allocator.h>
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/*---------------------------------------------------------------------------------------------------
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* Data structures for implementing IEnumUnknown or any interface that enumerates interface pointers
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*---------------------------------------------------------------------------------------------------
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*/
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typedef struct tagENUMGENERICDATA {
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UINT32 uiRefCount; /* reference count */
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REFIID riidObjects; /* IID of underlying objects */
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UINT32 nObjects; /* count of IUnknown pointers */
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PUNKNOWN rgObjects[0]; /* array of IUnknown pointers */
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} ENUMGENERICDATA, *PENUMGENERICDATA;
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typedef struct tagENUMGENERIC {
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IEnumUnknown enumUnknown; /* interface pointer */
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UINT32 uiRefCount; /* reference count */
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REFIID riidActual; /* IID of actual interface */
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UINT32 nCurrent; /* current pointer into array */
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PENUMGENERICDATA pPayload; /* payload array */
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IMalloc *pAllocator; /* allocator pointer */
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} ENUMGENERIC, *PENUMGENERIC;
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/*---------------------------------------------------------------------------------------------
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* Functions for implementing IEnumUnknown or any interface that enumerates interface pointers
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*---------------------------------------------------------------------------------------------
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*/
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extern PENUMGENERICDATA _ObjHlpAllocateEnumGenericData(IMalloc *pAllocator, REFIID riidObjects, UINT32 nCapacity);
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extern void _ObjHlpAddToEnumGenericData(PENUMGENERICDATA pegd, IUnknown *pUnk);
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extern void _ObjHlpDiscardEnumGenericData(PENUMGENERICDATA pegd);
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extern PENUMGENERIC _ObjHlpAllocateEnumGeneric(IMalloc *pAllocator, REFIID riidActual, PENUMGENERICDATA pegd,
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UINT32 nCurrent);
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#endif /* __ASM__ */
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#endif /* __COMROGUE_INTERNALS__ */
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#endif /* __ENUMGENERIC_H_INCLUDED */
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