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https://github.com/X11Libre/xserver.git
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5c09c89903
Canonicalize all reply structs onto stack allocation and static initialization, like already done in most other extension. So make the code easier to understand and allow further simplifications by subsequent commits (we can then use generic macros for doing the actual sending, as well as byteorder swapping, size computation, etc), Also gaining a little bit efficiency by skipping some heap allocations. Dynamically sized payload buffers (where the upper bound isn't known), are still allocated on heap. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
131 lines
4.4 KiB
C
131 lines
4.4 KiB
C
/*
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* Copyright (c) 2006, Oracle and/or its affiliates.
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* Copyright 2010 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright © 2002 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <dix-config.h>
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#include "dix/dix_priv.h"
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#include "xfixesint.h"
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static DevPrivateKeyRec ClientDisconnectPrivateKeyRec;
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#define ClientDisconnectPrivateKey (&ClientDisconnectPrivateKeyRec)
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typedef struct _ClientDisconnect {
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int disconnect_mode;
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} ClientDisconnectRec, *ClientDisconnectPtr;
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#define GetClientDisconnect(s) \
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((ClientDisconnectPtr) dixLookupPrivate(&(s)->devPrivates, \
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ClientDisconnectPrivateKey))
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int
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ProcXFixesSetClientDisconnectMode(ClientPtr client)
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{
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ClientDisconnectPtr pDisconnect = GetClientDisconnect(client);
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REQUEST(xXFixesSetClientDisconnectModeReq);
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pDisconnect->disconnect_mode = stuff->disconnect_mode;
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return Success;
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}
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int _X_COLD
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SProcXFixesSetClientDisconnectMode(ClientPtr client)
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{
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REQUEST(xXFixesSetClientDisconnectModeReq);
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REQUEST_AT_LEAST_SIZE(xXFixesSetClientDisconnectModeReq);
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swapl(&stuff->disconnect_mode);
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return ProcXFixesSetClientDisconnectMode(client);
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}
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int
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ProcXFixesGetClientDisconnectMode(ClientPtr client)
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{
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ClientDisconnectPtr pDisconnect = GetClientDisconnect(client);
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REQUEST_SIZE_MATCH(xXFixesGetClientDisconnectModeReq);
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xXFixesGetClientDisconnectModeReply rep = {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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.length = 0,
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.disconnect_mode = pDisconnect->disconnect_mode,
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};
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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swapl(&rep.disconnect_mode);
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}
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WriteToClient(client, sizeof(rep), &rep);
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return Success;
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}
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Bool
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XFixesShouldDisconnectClient(ClientPtr client)
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{
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ClientDisconnectPtr pDisconnect = GetClientDisconnect(client);
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if (!pDisconnect)
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return FALSE;
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if (dispatchExceptionAtReset & DE_TERMINATE)
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return (pDisconnect->disconnect_mode & XFixesClientDisconnectFlagTerminate);
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return FALSE;
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}
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Bool
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XFixesClientDisconnectInit(void)
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{
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if (!dixRegisterPrivateKey(&ClientDisconnectPrivateKeyRec,
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PRIVATE_CLIENT, sizeof(ClientDisconnectRec)))
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return FALSE;
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return TRUE;
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}
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