206b5b2661
...warning about (for now only) functions and variables with external linkage
that likely don't need it.
The problems with moving entities into unnamed namespacs and breaking ADL
(as alluded to in comments in compilerplugins/clang/external.cxx) are
illustrated by the fact that while
struct S1 { int f() { return 0; } };
int f(S1 s) { return s.f(); }
namespace N {
struct S2: S1 { int f() { return 1; } };
int f(S2 s) { return s.f(); }
}
int main() { return f(N::S2()); }
returns 1, both moving just the struct S2 into an nunnamed namespace,
struct S1 { int f() { return 0; } };
int f(S1 s) { return s.f(); }
namespace N {
namespace { struct S2: S1 { int f() { return 1; } }; }
int f(S2 s) { return s.f(); }
}
int main() { return f(N::S2()); }
as well as moving just the function f overload into an unnamed namespace,
struct S1 { int f() { return 0; } };
int f(S1 s) { return s.f(); }
namespace N {
struct S2: S1 { int f() { return 1; } };
namespace { int f(S2 s) { return s.f(); } }
}
int main() { return f(N::S2()); }
would each change the program to return 0 instead.
Change-Id: I4d09f7ac5e8f9bcd6e6bde4712608444b642265c
Reviewed-on: https://gerrit.libreoffice.org/60539
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
282 lines
8.4 KiB
C++
282 lines
8.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/main.h>
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#include <sal/log.hxx>
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#include <cppuhelper/bootstrap.hxx>
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#include <comphelper/processfactory.hxx>
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <com/sun/star/awt/ImageScaleMode.hpp>
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#include <vcl/event.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/wrkwin.hxx>
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#include <vcl/button.hxx>
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#include <vcl/lstbox.hxx>
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#include <vcl/imgctrl.hxx>
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#include <vcl/bitmapex.hxx>
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#include <vcl/graphicfilter.hxx>
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#include <vcl/graph.hxx>
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#include <tools/extendapplicationenvironment.hxx>
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#include <tools/stream.hxx>
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#include <rtl/strbuf.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <math.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace cppu;
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// Forward declaration
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static void Main();
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SAL_IMPLEMENT_MAIN()
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{
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try
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{
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tools::extendApplicationEnvironment();
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// create the global service-manager
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Reference< XComponentContext > xContext = defaultBootstrap_InitialComponentContext();
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Reference< XMultiServiceFactory > xServiceManager( xContext->getServiceManager(), UNO_QUERY );
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if( !xServiceManager.is() )
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Application::Abort( "Failed to bootstrap" );
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comphelper::setProcessServiceFactory( xServiceManager );
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InitVCL();
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::Main();
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DeInitVCL();
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}
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catch (const Exception& e)
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{
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SAL_WARN("vcl", "Fatal: " << e);
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return 1;
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}
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catch (const std::exception& e)
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{
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SAL_WARN("vcl", "Fatal: " << e.what());
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return 1;
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}
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return 0;
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}
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class MyWin : public WorkWindow
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{
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VclPtr<PushButton> m_aListButton;
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VclPtr<ListBox> m_aSvpBitmaps;
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VclPtr<ImageControl> m_aImage;
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VclPtr<PushButton> m_aQuitButton;
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public:
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MyWin( vcl::Window* pParent, WinBits nWinStyle );
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virtual bool Close() override;
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virtual ~MyWin() override { disposeOnce(); }
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virtual void dispose() override;
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void parseList( const OString& rList );
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static OString processCommand( const OString& rCommand );
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DECL_LINK( ListHdl, Button*, void );
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DECL_LINK( SelectHdl, ListBox&, void );
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DECL_STATIC_LINK( MyWin, QuitHdl, Button*, void );
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};
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void Main()
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{
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ScopedVclPtrInstance< MyWin > aMainWin( nullptr, WB_STDWORK );
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aMainWin->SetText( "SvpClient" );
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aMainWin->Show();
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Application::Execute();
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}
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MyWin::MyWin( vcl::Window* pParent, WinBits nWinStyle ) :
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WorkWindow( pParent, nWinStyle ),
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m_aListButton(VclPtr<PushButton>::Create(this, 0)),
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m_aSvpBitmaps(VclPtr<ListBox>::Create(this, WB_BORDER)),
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m_aImage(VclPtr<ImageControl>::Create(this, WB_BORDER)),
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m_aQuitButton(VclPtr<PushButton>::Create(this, 0))
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{
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m_aListButton->SetPosSizePixel( Point( 10, 10 ), Size( 120, 25 ) );
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m_aListButton->SetText( "List Elements" );
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m_aListButton->SetClickHdl( LINK( this, MyWin, ListHdl ) );
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m_aListButton->Show();
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m_aSvpBitmaps->SetPosSizePixel( Point( 10, 40 ), Size( 150, 150 ) );
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m_aSvpBitmaps->SetSelectHdl( LINK( this, MyWin, SelectHdl ) );
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m_aSvpBitmaps->Show();
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m_aImage->SetPosSizePixel( Point( 170, 10 ), Size( 400, 400 ) );
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m_aImage->SetScaleMode( css::awt::ImageScaleMode::NONE );
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m_aImage->Show();
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m_aQuitButton->SetPosSizePixel( Point( 10, 300 ), Size( 120,25 ) );
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m_aQuitButton->SetText( "Quit SVP server" );
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m_aQuitButton->SetClickHdl( LINK( this, MyWin, QuitHdl ) );
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m_aQuitButton->Show();
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}
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bool MyWin::Close()
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{
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bool bRet = WorkWindow::Close();
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if( bRet )
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Application::Quit();
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return bRet;
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}
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void MyWin::dispose()
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{
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m_aListButton.disposeAndClear();
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m_aSvpBitmaps.disposeAndClear();
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m_aImage.disposeAndClear();
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m_aQuitButton.disposeAndClear();
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WorkWindow::dispose();
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}
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void MyWin::parseList( const OString& rList )
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{
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sal_Int32 nTokenPos = 0;
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OUString aElementType;
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m_aSvpBitmaps->Clear();
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while( nTokenPos >= 0 )
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{
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OString aLine = rList.getToken( 0, '\n', nTokenPos );
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if( ! aLine.getLength() || *aLine.getStr() == '#' )
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continue;
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if( aLine.startsWith( "ElementType: " ) )
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aElementType = OStringToOUString( aLine.copy( 13 ), RTL_TEXTENCODING_ASCII_US );
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else
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{
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OUStringBuffer aNewElement( 64 );
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aNewElement.append( aElementType );
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aNewElement.append( ": " );
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aNewElement.append( OStringToOUString( aLine, RTL_TEXTENCODING_ASCII_US ) );
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m_aSvpBitmaps->InsertEntry( aNewElement.makeStringAndClear() );
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}
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}
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}
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OString MyWin::processCommand( const OString& rCommand )
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{
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static const char* pEnv = getenv("SVP_LISTENER_PORT");
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OStringBuffer aAnswer;
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int nPort = (pEnv && *pEnv) ? atoi(pEnv) : 8000;
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int nSocket = socket( PF_INET, SOCK_STREAM, 0 );
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if( nSocket >= 0)
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{
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struct sockaddr_in addr;
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memset(&addr, 0, sizeof(struct sockaddr_in));
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addr.sin_family = AF_INET;
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addr.sin_port = htons(nPort);
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addr.sin_addr.s_addr = INADDR_ANY;
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if( connect( nSocket, reinterpret_cast<sockaddr*>(&addr), sizeof(addr) ) )
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{
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perror( "SvpElementContainer: connect() failed" );
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}
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else
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{
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ssize_t nBytes = 0;
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ssize_t fd = 0;
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fd = write( nSocket, rCommand.getStr(), rCommand.getLength() );
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if (fd == 0)
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SAL_WARN("vcl", "Connection closed on other end");
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else if (fd < 0)
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SAL_WARN("vcl", "Error writing to socket: " << strerror( errno ));
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fd = write( nSocket, "\n", 1 );
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if (fd == 0)
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SAL_WARN("vcl", "Connection closed on other end");
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else if (fd < 0)
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SAL_WARN("vcl", "Error writing to socket: " << strerror( errno ));
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char buf[256];
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do
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{
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nBytes = read( nSocket, buf, sizeof(buf) );
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aAnswer.append( buf, nBytes );
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} while( nBytes == sizeof( buf ) );
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}
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close(nSocket);
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}
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else
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perror( "SvpElementContainer: socket() failed\n" );
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return aAnswer.makeStringAndClear();
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}
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IMPL_LINK_NOARG( MyWin, ListHdl, Button*, void)
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{
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parseList( processCommand( "list" ) );
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}
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IMPL_STATIC_LINK_NOARG( MyWin, QuitHdl, Button*, void)
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{
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processCommand( "quit" );
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}
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IMPL_LINK_NOARG( MyWin, SelectHdl, ListBox&, void)
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{
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OUString aEntry = m_aSvpBitmaps->GetSelectedEntry();
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sal_Int32 nPos = aEntry.indexOf( ": " );
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if( nPos == -1 )
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return;
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OStringBuffer aCommand( 64 );
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aCommand.append( "get " );
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aCommand.append( OUStringToOString( aEntry.copy( nPos+2 ), RTL_TEXTENCODING_ASCII_US ) );
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OString aAnswer( processCommand( aCommand.makeStringAndClear() ) );
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SvMemoryStream aStream( aAnswer.getLength() );
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aStream.WriteBytes( aAnswer.getStr(), aAnswer.getLength() );
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aStream.Seek( STREAM_SEEK_TO_BEGIN );
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Graphic aGraphicResult;
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GraphicFilter &rFilter = GraphicFilter::GetGraphicFilter();
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rFilter.ImportGraphic( aGraphicResult, OUString("import"), aStream );
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BitmapEx aBitmap = aGraphicResult.GetBitmapEx();
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SAL_INFO("vcl", "got bitmap of size " << aBitmap.GetSizePixel().Width() << "x" << aBitmap.GetSizePixel().Height());
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Size aFixedSize( aBitmap.GetSizePixel() );
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aFixedSize.AdjustWidth(10 );
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aFixedSize.AdjustHeight(10 );
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m_aImage->SetSizePixel( aFixedSize );
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m_aImage->SetImage( Image( aBitmap ) );
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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