789d64e19a
Casting return to (void) was used to tell lint that you intended to ignore the return value, so it didn't warn you about it. Casting the third argument to (char *) was used as the most generic pointer type in the days before compilers supported C89 (void *) (except for a couple places it's used for byte-sized pointer math). Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Keith Packard <keithp@keithp.com> Tested-by: Daniel Stone <daniel@fooishbar.org>
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/*
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* Xephyr - A kdrive X server thats runs in a host X window.
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* Authored by Matthew Allum <mallum@openedhand.com>
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*
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* Copyright © 2007 OpenedHand Ltd
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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 OpenedHand Ltd 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. OpenedHand Ltd 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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* OpenedHand Ltd 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 OpenedHand Ltd 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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* Authors:
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* Dodji Seketeli <dodji@openedhand.com>
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*/
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/*
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* \file
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* This file defines a proxy extension that forwards requests.
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* When a request to extension FOO is sent to Xephyr, that request is forwared
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* to the host X, without even trying to know what the request means.
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*/
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#ifdef HAVE_CONFIG_H
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#include <kdrive-config.h>
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#endif
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#include "misc.h"
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#include "dixstruct.h"
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#include "extnsionst.h"
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#include "ephyrproxyext.h"
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#define _HAVE_XALLOC_DECLS
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#include "ephyrlog.h"
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#include "ephyrhostproxy.h"
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#include "hostx.h"
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static Bool ephyrProxyGetHostExtensionInfo(const char *a_ext_name,
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int *a_major_opcode,
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int *a_first_event,
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int *a_first_error);
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static int ephyrProxyProcDispatch(ClientPtr client);
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static Bool
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ephyrProxyGetHostExtensionInfo(const char *a_ext_name,
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int *a_major_opcode,
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int *a_first_event, int *a_first_error)
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{
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return hostx_get_extension_info(a_ext_name, a_major_opcode,
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a_first_event, a_first_error);
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}
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static int
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ephyrProxyProcDispatch(ClientPtr a_client)
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{
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int res = BadImplementation;
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struct XReply reply;
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if (!ephyrHostProxyDoForward(a_client->requestBuffer, &reply, FALSE)) {
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EPHYR_LOG_ERROR("forwarding failed\n");
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goto out;
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}
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reply.sequence_number = a_client->sequence;
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res = Success;
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WriteToClient(a_client, 32, &reply);
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out:
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return res;
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}
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static void
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ephyrProxyProcReset(ExtensionEntry * a_entry)
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{
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}
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Bool
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ephyrProxyExtensionInit(const char *a_extension_name)
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{
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Bool is_ok = FALSE;
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int major_opcode = 0, first_event = 0, first_error = 0;
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ExtensionEntry *ext = NULL;
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if (!ephyrProxyGetHostExtensionInfo(a_extension_name,
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&major_opcode,
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&first_event, &first_error)) {
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EPHYR_LOG("failed to query extension %s from host\n", a_extension_name);
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goto out;
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}
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ext = AddExtension((char *) a_extension_name, 0, 0,
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ephyrProxyProcDispatch,
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ephyrProxyProcDispatch,
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ephyrProxyProcReset, StandardMinorOpcode);
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if (!ext) {
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EPHYR_LOG_ERROR("failed to add the extension\n");
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goto out;
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}
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is_ok = TRUE;
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out:
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EPHYR_LOG("leave\n");
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return is_ok;
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}
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