| 1 | /* $Id: VBoxDisplay.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxDisplayService, Haiku Guest Additions, implementation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012-2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | /*
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| 29 | * This code is based on:
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| 30 | *
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| 31 | * VirtualBox Guest Additions for Haiku.
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| 32 | * Copyright (c) 2011 Mike Smith <mike@scgtrp.net>
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| 33 | * François Revol <revol@free.fr>
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| 34 | *
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| 35 | * Permission is hereby granted, free of charge, to any person
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| 36 | * obtaining a copy of this software and associated documentation
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| 37 | * files (the "Software"), to deal in the Software without
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| 38 | * restriction, including without limitation the rights to use,
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| 39 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 40 | * copies of the Software, and to permit persons to whom the
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| 41 | * Software is furnished to do so, subject to the following
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| 42 | * conditions:
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| 43 | *
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| 44 | * The above copyright notice and this permission notice shall be
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| 45 | * included in all copies or substantial portions of the Software.
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| 46 | *
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| 47 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 48 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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| 49 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 50 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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| 51 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 52 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 53 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 54 | * OTHER DEALINGS IN THE SOFTWARE.
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| 55 | */
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| 56 |
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| 57 | #include <stdio.h>
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| 58 | #include <stdlib.h>
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| 59 | #include <new>
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| 60 | #include <DataIO.h>
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| 61 | #include <Message.h>
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| 62 | #include <TranslationUtils.h>
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| 63 | #include <TranslatorFormats.h>
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| 64 | #include <TranslatorRoster.h>
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| 65 | #include <String.h>
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| 66 |
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| 67 | #include "VBoxGuestApplication.h"
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| 68 | #include "VBoxDisplay.h"
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| 69 | #include <VBoxGuestInternal.h>
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| 70 | #include "../VBoxVideo/common/VBoxVideo_common.h"
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| 71 |
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| 72 | #include <iprt/mem.h>
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| 73 | #include <VBox/log.h>
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| 74 |
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| 75 | #ifdef DEBUG_ramshankar
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| 76 | # undef Log
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| 77 | # define Log(x) printf x
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| 78 | # undef LogRel
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| 79 | # define LogRel(x) printf x
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| 80 | # undef LogRelFlowFunc
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| 81 | # define LogRelFlowFunc(x) printf x
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| 82 | #endif
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| 83 |
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| 84 | VBoxDisplayService::VBoxDisplayService()
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| 85 | : BHandler("VBoxDisplayService"),
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| 86 | fClientId(-1),
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| 87 | fServiceThreadID(-1),
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| 88 | fExiting(false),
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| 89 | fScreen(B_MAIN_SCREEN_ID)
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| 90 | {
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| 91 | }
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| 92 |
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| 93 |
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| 94 | VBoxDisplayService::~VBoxDisplayService()
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| 95 | {
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| 96 | }
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| 97 |
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| 98 |
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| 99 | void VBoxDisplayService::Start()
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| 100 | {
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| 101 | status_t err;
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| 102 | err = fServiceThreadID = spawn_thread(_ServiceThreadNub, "VBoxDisplayService", B_NORMAL_PRIORITY, this);
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| 103 | if (err >= B_OK)
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| 104 | resume_thread(fServiceThreadID);
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| 105 | else
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| 106 | LogRel(("VBoxDisplayService: Error starting service thread: %s\n", strerror(err)));
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| 107 | }
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| 108 |
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| 109 |
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| 110 | void VBoxDisplayService::MessageReceived(BMessage *message)
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| 111 | {
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| 112 | if (message->what == B_QUIT_REQUESTED)
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| 113 | fExiting = true;
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| 114 | else
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| 115 | BHandler::MessageReceived(message);
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| 116 | }
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| 117 |
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| 118 |
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| 119 | status_t VBoxDisplayService::_ServiceThreadNub(void *_this)
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| 120 | {
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| 121 | VBoxDisplayService *service = (VBoxDisplayService *)_this;
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| 122 | return service->_ServiceThread();
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| 123 | }
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| 124 |
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| 125 |
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| 126 | status_t VBoxDisplayService::_ServiceThread()
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| 127 | {
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| 128 | LogFlow(("VBoxDisplayService::_ServiceThread"));
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| 129 |
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| 130 | VbglR3CtlFilterMask(VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST, 0);
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| 131 | VbglR3SetGuestCaps(VMMDEV_GUEST_SUPPORTS_GRAPHICS, 0);
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| 132 | for (;;)
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| 133 | {
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| 134 | uint32_t events;
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| 135 | int rc = VbglR3WaitEvent(VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST, 5000, &events);
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| 136 | if ( rc == VERR_TIMEOUT
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| 137 | || rc == VERR_INTERRUPTED)
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| 138 | continue;
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| 139 |
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| 140 | if (RT_SUCCESS(rc))
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| 141 | {
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| 142 | uint32_t cx, cy, cBits, iDisplay;
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| 143 | int rc2 = VbglR3GetDisplayChangeRequest(&cx, &cy, &cBits, &iDisplay, NULL, NULL, NULL, NULL, true);
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| 144 | LogFlow(("rc2=%d screen %d size changed (%d, %d, %d)\n", rc2, iDisplay, cx, cy, cBits));
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| 145 |
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| 146 | if (RT_SUCCESS(rc2))
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| 147 | {
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| 148 | display_mode mode;
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| 149 | fScreen.GetMode(&mode);
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| 150 | if (cBits == 0)
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| 151 | cBits = get_depth_for_color_space(mode.space);
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| 152 |
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| 153 | mode.timing.h_display = cx;
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| 154 | mode.timing.v_display = cy;
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| 155 | mode.space = get_color_space_for_depth(cBits);
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| 156 | mode.virtual_width = cx;
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| 157 | mode.virtual_height = cy;
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| 158 |
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| 159 | /*= {
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| 160 | {0, cx, 0, 0, cBits * cx / 8, cy, 0, 0, cBits * cy / 8, 0},
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| 161 | get_color_space_for_depth(cBits),
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| 162 | cx, cy, 0, 0, 0
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| 163 | };*/
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| 164 |
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| 165 | fScreen.SetMode(&mode, false);
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| 166 | }
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| 167 | }
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| 168 | else
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| 169 | fExiting = true;
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| 170 |
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| 171 | LogFlow(("processed host event rc = %d\n", rc));
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| 172 | if (fExiting)
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| 173 | break;
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| 174 | }
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| 175 | return 0;
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| 176 | }
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| 177 |
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