253 lines
8 KiB
C++
253 lines
8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <cstdarg>
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#include <cstdio>
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#include <stdio.h>
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#include <stdarg.h>
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#include <rtl/logfile.h>
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#include <osl/process.h>
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#include <osl/time.h>
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#include <osl/mutex.hxx>
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#include <rtl/bootstrap.h>
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#include <rtl/oustringostreaminserter.hxx>
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#include <rtl/ustring.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <rtl/alloc.h>
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#include <rtl/instance.hxx>
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#include <sal/log.hxx>
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#include "osl/thread.h"
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#include <algorithm>
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#ifdef _MSC_VER
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#define vsnprintf _vsnprintf
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#endif
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using namespace osl;
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using namespace std;
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using ::rtl::OUString;
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using ::rtl::OUStringBuffer;
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namespace {
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static oslFileHandle g_aFile = 0;
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static sal_Bool g_bHasBeenCalled = sal_False;
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static const sal_Int32 g_BUFFERSIZE = 4096;
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static sal_Char *g_buffer = 0;
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class LoggerGuard
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{
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public:
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~LoggerGuard();
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};
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LoggerGuard::~LoggerGuard()
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{
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if( g_buffer )
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{
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sal_Int64 nWritten, nConverted =
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sprintf( g_buffer, "closing log file at %06" SAL_PRIuUINT32, osl_getGlobalTimer() );
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if( nConverted > 0 )
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osl_writeFile( g_aFile, g_buffer, nConverted, (sal_uInt64 *)&nWritten );
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osl_closeFile( g_aFile );
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g_aFile = 0;
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rtl_freeMemory( g_buffer );
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g_buffer = 0;
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g_bHasBeenCalled = sal_False;
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}
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}
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// The destructor of this static LoggerGuard is "activated" by the assignment to
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// g_buffer in init():
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LoggerGuard loggerGuard;
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namespace
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{
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class theLogMutex : public rtl::Static<osl::Mutex, theLogMutex>{};
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}
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static Mutex & getLogMutex()
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{
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return theLogMutex::get();
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}
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OUString getFileUrl( const OUString &name )
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{
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OUString aRet;
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if ( osl_getFileURLFromSystemPath( name.pData, &aRet.pData )
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!= osl_File_E_None )
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{
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SAL_WARN(
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"sal", "osl_getFileURLFromSystemPath failed for \"" << name << '"');
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}
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OUString aWorkingDirectory;
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osl_getProcessWorkingDir( &(aWorkingDirectory.pData) );
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osl_getAbsoluteFileURL( aWorkingDirectory.pData, aRet.pData, &(aRet.pData) );
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return aRet;
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}
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void init() {
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if( !g_bHasBeenCalled )
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{
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MutexGuard guard( getLogMutex() );
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if( ! g_bHasBeenCalled )
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{
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OUString name( RTL_CONSTASCII_USTRINGPARAM( "RTL_LOGFILE" ) );
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OUString value;
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if( rtl_bootstrap_get( name.pData, &value.pData, 0 ) )
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{
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// Obtain process id.
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oslProcessIdentifier aProcessId = 0;
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oslProcessInfo info;
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info.Size = sizeof (oslProcessInfo);
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if (osl_getProcessInfo (0, osl_Process_IDENTIFIER, &info) == osl_Process_E_None)
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aProcessId = info.Ident;
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// Construct name of log file and open the file.
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OUStringBuffer buf( 128 );
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buf.append( value );
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// if the filename ends with .nopid, the incoming filename is not modified
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if( value.getLength() < 6 /* ".nopid" */ ||
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rtl_ustr_ascii_compare_WithLength(
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value.getStr() + (value.getLength()-6) , 6 , ".nopid" ) )
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{
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buf.appendAscii( "_" );
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buf.append( (sal_Int32) aProcessId );
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buf.appendAscii( ".log" );
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}
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OUString o = getFileUrl( buf.makeStringAndClear() );
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oslFileError e = osl_openFile(
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o.pData, &g_aFile, osl_File_OpenFlag_Write|osl_File_OpenFlag_Create);
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if( osl_File_E_None == e )
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{
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TimeValue aCurrentTime;
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g_buffer = ( sal_Char * ) rtl_allocateMemory( g_BUFFERSIZE );
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sal_Int64 nConverted = 0;
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if (osl_getSystemTime (&aCurrentTime))
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{
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nConverted = (sal_Int64 ) sprintf (
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g_buffer,
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"opening log file %f seconds past January 1st 1970\n"
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"corresponding to %" SAL_PRIuUINT32 " ms after timer start\n",
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aCurrentTime.Seconds + 1e-9 * aCurrentTime.Nanosec,
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osl_getGlobalTimer());
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if( nConverted > 0 )
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{
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sal_Int64 nWritten;
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osl_writeFile( g_aFile, g_buffer, nConverted , (sal_uInt64 *)&nWritten );
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}
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}
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nConverted = sprintf (g_buffer, "Process id is %" SAL_PRIuUINT32 "\n", aProcessId);
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if( nConverted )
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{
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sal_Int64 nWritten;
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osl_writeFile( g_aFile, g_buffer, nConverted, (sal_uInt64 *)&nWritten );
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}
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}
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else
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{
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SAL_WARN(
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"sal",
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"Couldn't open logfile " << o << '(' << +e << ')');
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}
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}
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g_bHasBeenCalled = sal_True;
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}
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}
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}
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}
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extern "C" void SAL_CALL rtl_logfile_trace ( const char *pszFormat, ... )
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{
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init();
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if( g_buffer )
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{
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va_list args;
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va_start(args, pszFormat);
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{
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sal_Int64 nConverted, nWritten;
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MutexGuard guard( getLogMutex() );
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nConverted = vsnprintf( g_buffer , g_BUFFERSIZE, pszFormat, args );
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nConverted = (nConverted > g_BUFFERSIZE ? g_BUFFERSIZE : nConverted );
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if( nConverted > 0 )
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osl_writeFile( g_aFile, g_buffer, nConverted, (sal_uInt64*)&nWritten );
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}
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va_end(args);
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}
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}
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extern "C" void SAL_CALL rtl_logfile_longTrace(char const * format, ...) {
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init();
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if (g_buffer != 0) {
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sal_uInt32 time = osl_getGlobalTimer();
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oslThreadIdentifier threadId = osl_getThreadIdentifier(0);
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va_list args;
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va_start(args, format);
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{
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MutexGuard g(getLogMutex());
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int n1 = snprintf(
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g_buffer, g_BUFFERSIZE, "%06" SAL_PRIuUINT32 " %" SAL_PRIuUINT32 " ", time, threadId);
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if (n1 >= 0) {
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sal_uInt64 n2;
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osl_writeFile(
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g_aFile, g_buffer,
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static_cast< sal_uInt64 >(
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std::min(n1, static_cast< int >(g_BUFFERSIZE))),
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&n2);
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n1 = vsnprintf(g_buffer, g_BUFFERSIZE, format, args);
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if (n1 > 0) {
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osl_writeFile(
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g_aFile, g_buffer,
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static_cast< sal_uInt64 >(
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std::min(n1, static_cast< int >(g_BUFFERSIZE))),
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&n2);
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}
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}
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}
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va_end(args);
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}
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}
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extern "C" sal_Bool SAL_CALL rtl_logfile_hasLogFile( void ) {
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init();
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return g_buffer != 0;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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