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