/* comRegistry.h - COM core registry for in-memory coclasses *//* Copyright (c) 2001, Wind River Systems, Inc. *//*modification history--------------------01d,07aug01,dbs  return multiple interfaces during creation01c,06aug01,dbs  add registry-show capability, remove C++ impl01b,13jul01,dbs  fix warnings on IUnknown methods01a,20jun01,dbs  written*//*DESCRIPTIONThis class implements the IRegistry interface, providing a registryfor in-memory coclasses, i.e. those already in the program image.Thus, it is vital that this registry is registered with comCoreLibprior to any external coclasses trying to use it.*/#ifndef __INCcomRegistry_h#define __INCcomRegistry_h#include <semLib.h>#include "comCoreTypes.h"               /* base types */#include "comCoreLib.h"                 /* core COM funcs */EXTERN_C int comRegistryInit (void);/* * COM_REG_ENTRY - each registry entry is kept in a structure like * this, and they are linked together in a list held by the registry * object. */typedef struct _comRegEntry    {    struct _comRegEntry *pNext;         /* list linkage */    CLSID               clsid;          /* class ID */    PFN_GETCLASSOBJECT  pfnGCO;         /* ptr to GCO func */    } COM_REG_ENTRY;/* * COM_REG_CLASS - the actual registry implementation class is defined * by this structure, which implements the IRegistry interface. */typedef struct _comRegClass    {    const IRegistryVtbl *lpVtbl;        /* vptr in C++ terms */    DWORD               dwRefCount;     /* reference counter */    COM_REG_ENTRY *     pEntries;       /* list of reg entries */    } COM_REG_CLASS;/* IUnknown implementation */HRESULT comRegistry_QueryInterface    (    IUnknown *          pThis,    REFIID              riid,    void**              ppvObject    );ULONG comRegistry_AddRef    (    IUnknown *          pThis    );ULONG comRegistry_Release    (    IUnknown *          pThis    );/* IRegistry implementation */HRESULT comRegistry_RegisterClass    (    IRegistry *         pThis,    REFCLSID            clsid,    void*               pfnGetClassObject    );HRESULT comRegistry_IsClassRegistered    (    IRegistry *         pThis,    REFCLSID            clsid    );HRESULT comRegistry_CreateInstance    (    IRegistry *         pThis,    REFCLSID            clsid,    IUnknown*           pUnkOuter,    DWORD               dwClsContext,    const char*         hint,    ULONG               cMQIs,    MULTI_QI *          pMQIs    );HRESULT comRegistry_GetClassObject    (    IRegistry *         pThis,    REFCLSID            clsid,    REFIID              iid,    DWORD               dwClsContext,    const char*         hint,    IUnknown**          ppClsObj    );HRESULT comRegistry_GetClassID    (    IRegistry *         pThis,    DWORD               dwIndex,    LPCLSID             pclsid    );#endif /* __INCcomRegistry_h */