-/* $XConsortium: extnsionst.h /main/15 1996/08/01 19:18:11 dpw $ */
-/* $XFree86: xc/programs/Xserver/include/extnsionst.h,v 3.2 1996/12/23 07:09:27 dawes Exp $ */
-/***********************************************************
-
-Copyright (c) 1987 X Consortium
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of the X Consortium shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from the X Consortium.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-#ifndef EXTENSIONSTRUCT_H
-#define EXTENSIONSTRUCT_H
-
-#include "misc.h"
-#include "screenint.h"
-#include "extension.h"
-#include "gc.h"
-
-typedef struct _ExtensionEntry {
- int index;
- void (* CloseDown)( /* called at server shutdown */
-#if NeedNestedPrototypes
- struct _ExtensionEntry * /* extension */
-#endif
-);
- char *name; /* extension name */
- int base; /* base request number */
- int eventBase;
- int eventLast;
- int errorBase;
- int errorLast;
- int num_aliases;
- char **aliases;
- pointer extPrivate;
- unsigned short (* MinorOpcode)( /* called for errors */
-#if NeedNestedPrototypes
- ClientPtr /* client */
-#endif
-);
-#ifdef XCSECURITY
- Bool secure; /* extension visible to untrusted clients? */
-#endif
-} ExtensionEntry;
-
-/* any attempt to declare the types of the parameters to the functions
- * in EventSwapVector fails. The functions take pointers to two events,
- * but the exact event types that are declared vary from one function
- * to another. You can't even put void *, void * (the ibm compiler
- * complains, anyway).
- */
-typedef void (*EventSwapPtr) (
-#if NeedFunctionPrototypes && defined(EVENT_SWAP_PTR)
- xEvent *,
- xEvent *
-#endif
-);
-
-extern EventSwapPtr EventSwapVector[128];
-
-extern void NotImplemented ( /* FIXME: this may move to another file... */
-#if NeedFunctionPrototypes && defined(EVENT_SWAP_PTR)
- xEvent *,
- xEvent *
-#endif
-);
-
-typedef void (* ExtensionLookupProc)( /*args indeterminate*/
-#ifdef EXTENSION_PROC_ARGS
- EXTENSION_PROC_ARGS
-#endif
-);
-
-typedef struct _ProcEntry {
- char *name;
- ExtensionLookupProc proc;
-} ProcEntryRec, *ProcEntryPtr;
-
-typedef struct _ScreenProcEntry {
- int num;
- ProcEntryPtr procList;
-} ScreenProcEntry;
-
-#define SetGCVector(pGC, VectorElement, NewRoutineAddress, Atom) \
- pGC->VectorElement = NewRoutineAddress;
-
-#define GetGCValue(pGC, GCElement) (pGC->GCElement)
-
-
-extern ExtensionEntry *AddExtension(
-#if NeedFunctionPrototypes
- char* /*name*/,
- int /*NumEvents*/,
- int /*NumErrors*/,
- int (* /*MainProc*/)(
-#if NeedNestedPrototypes
- ClientPtr /*client*/
-#endif
-),
- int (* /*SwappedMainProc*/)(
-#if NeedNestedPrototypes
- ClientPtr /*client*/
-#endif
-),
- void (* /*CloseDownProc*/)(
-#if NeedNestedPrototypes
- ExtensionEntry * /*extension*/
-#endif
-),
- unsigned short (* /*MinorOpcodeProc*/)(
-#if NeedNestedPrototypes
- ClientPtr /*client*/
-#endif
- )
-#endif /* NeedFunctionPrototypes */
-);
-
-extern Bool AddExtensionAlias(
-#if NeedFunctionPrototypes
- char* /*alias*/,
- ExtensionEntry * /*extension*/
-#endif
-);
-
-extern ExtensionLookupProc LookupProc(
-#if NeedFunctionPrototypes
- char* /*name*/,
- GCPtr /*pGC*/
-#endif
-);
-
-extern Bool RegisterProc(
-#if NeedFunctionPrototypes
- char* /*name*/,
- GCPtr /*pGC*/,
- ExtensionLookupProc /*proc*/
-#endif
-);
-
-extern Bool RegisterScreenProc(
-#if NeedFunctionPrototypes
- char* /*name*/,
- ScreenPtr /*pScreen*/,
- ExtensionLookupProc /*proc*/
-#endif
-);
-
-extern void DeclareExtensionSecurity(
-#if NeedFunctionPrototypes
- char * /*extname*/,
- Bool /*secure*/
-#endif
-);
-
-#endif /* EXTENSIONSTRUCT_H */
-
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