Files
loongoffice/extensions/source/plugin/unx/plugcon.cxx
Markus Mohrhard fca5e0992f coverity#982975 and more: fix memory leaks
Change-Id: I4c147ea03eb4d5d7c926ec1cccbd344ff28c77d7
2013-03-02 06:52:00 +01:00

281 lines
8.8 KiB
C++

/* -*- 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>
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#ifdef AIX
#define _LINUX_SOURCE_COMPAT
#include <sys/timer.h>
#undef _LINUX_SOURCE_COMPAT
#endif
#include <plugin/unx/plugcon.hxx>
#include <cstdarg>
#include <vector>
sal_uInt32 PluginConnector::GetStreamID( NPStream* pStream )
{
size_t nLen = m_aNPWrapStreams.size();
for( size_t i = 0; i < nLen; i++ )
if( m_aNPWrapStreams[ i ] == pStream )
return static_cast<sal_uInt32>(i);
SAL_WARN("extensions.plugin", "NPStream has no ID");
return UnknownStreamID;
}
sal_uInt32 PluginConnector::GetNPPID( NPP instance )
{
size_t nLen = m_aInstances.size();
for( size_t i=0; i <nLen; i++ )
if( m_aInstances[ i ]->instance == instance )
return static_cast<sal_uInt32>(i);
SAL_WARN("extensions.plugin", "NPP has no ID");
return UnknownNPPID;
}
struct PtrStruct
{
char* pData;
sal_uLong nBytes;
PtrStruct( char* i_pData, sal_uLong i_nBytes )
: pData( i_pData ), nBytes( i_nBytes ) {}
};
sal_uLong PluginConnector::FillBuffer( char*& rpBuffer,
const char* pFunction,
sal_uLong nFunctionLen,
va_list ap )
{
std::vector< PtrStruct > aList;
aList.reserve( 5 );
sal_uLong nDataSize = nFunctionLen + sizeof( sal_uLong );
char* pNext;
do {
pNext = va_arg( ap, char* );
if( pNext )
{
aList.push_back( PtrStruct( pNext, va_arg( ap, sal_uLong ) ) );
nDataSize += aList.back().nBytes + sizeof(sal_uLong);
}
} while( pNext );
rpBuffer = new char[ nDataSize ];
char* pRun = rpBuffer;
memcpy( pRun, &nFunctionLen, sizeof( nFunctionLen ) );
pRun += sizeof( nFunctionLen );
memcpy( pRun, pFunction, nFunctionLen );
pRun += nFunctionLen;
for( std::vector<PtrStruct>::const_iterator it = aList.begin(); it != aList.end(); ++it )
{
memcpy( pRun, &it->nBytes, sizeof( sal_uLong ) );
pRun += sizeof( sal_uLong );
memcpy( pRun, it->pData, it->nBytes );
pRun += it->nBytes;
}
return nDataSize;
}
MediatorMessage* PluginConnector::Transact( const char* pFunction,
sal_uLong nFunctionLen, ... )
{
va_list ap;
char* pBuffer;
va_start( ap, nFunctionLen );
sal_uLong nSize = FillBuffer( pBuffer, pFunction, nFunctionLen, ap );
va_end( ap );
MediatorMessage* pRet = TransactMessage( nSize, pBuffer );
delete[] pBuffer;
return pRet;
}
MediatorMessage* PluginConnector::Transact( sal_uInt32 nFunction, ... )
{
va_list ap;
char* pBuffer;
va_start( ap, nFunction );
sal_uLong nSize = FillBuffer( pBuffer, (char*)&nFunction, sizeof( nFunction ), ap );
va_end( ap );
MediatorMessage* pRet = TransactMessage( nSize, pBuffer );
delete[] pBuffer;
return pRet;
}
sal_uLong PluginConnector::Send( sal_uInt32 nFunction, ... )
{
va_list ap;
char* pBuffer;
va_start( ap, nFunction );
sal_uLong nSize = FillBuffer( pBuffer, (char*)&nFunction, sizeof( nFunction ), ap );
va_end( ap );
sal_uLong nRet = SendMessage( nSize, pBuffer );
delete[] pBuffer;
return nRet;
}
void PluginConnector::Respond( sal_uLong nID,
char* pFunction,
sal_uLong nFunctionLen, ... )
{
va_list ap;
char* pBuffer;
va_start( ap, nFunctionLen );
sal_uLong nSize = FillBuffer( pBuffer, pFunction, nFunctionLen, ap );
va_end( ap );
SendMessage( nSize, pBuffer, nID | ( 1 << 24 ) );
delete[] pBuffer;
}
MediatorMessage* PluginConnector::WaitForAnswer( sal_uLong nMessageID )
{
if( ! m_bValid )
return NULL;
nMessageID &= 0x00ffffff;
while( m_pListener )
{
{
osl::MutexGuard aGuard( m_aQueueMutex );
for( size_t i = 0; i < m_aMessageQueue.size(); i++ )
{
MediatorMessage* pMessage = m_aMessageQueue[ i ];
sal_uLong nID = pMessage->m_nID;
if( ( nID & 0xff000000 ) &&
( ( nID & 0x00ffffff ) == nMessageID ) )
{
m_aMessageQueue.erase( m_aMessageQueue.begin() + i );
return pMessage;
}
}
}
if( ! m_aMessageQueue.empty() )
CallWorkHandler();
WaitForMessage( 2000 );
}
return NULL;
}
ConnectorInstance::ConnectorInstance( NPP inst, char* type,
int args, char* pargnbuf, sal_uLong nargnbytes,
char* pargvbuf, sal_uLong nargvbytes,
char* savedata, sal_uLong savebytes ) :
instance( inst ),
pShell( NULL ),
pWidget( NULL ),
pForm( NULL ),
pGtkWindow( NULL ),
pGtkWidget( NULL ),
bShouldUseXEmbed( false ),
nArg( args ),
pArgnBuf( pargnbuf ),
pArgvBuf( pargvbuf )
{
memset( &window, 0, sizeof(window) );
pMimeType = new char[ strlen( type ) + 1 ];
strcpy( pMimeType, type );
aData.len = savebytes;
aData.buf = savedata;
argn = new char*[ nArg ];
argv = new char*[ nArg ];
int i;
char* pRun = pArgnBuf;
for( i = 0; i < nArg; i++ )
{
argn[i] = pRun;
while( *pRun != 0 && (sal_uLong)(pRun - pArgnBuf) < nargnbytes )
pRun++;
if( (sal_uLong)(pRun - pArgnBuf) < nargnbytes )
pRun++;
}
pRun = pArgvBuf;
for( i = 0; i < nArg; i++ )
{
argv[i] = pRun;
while( *pRun != 0 && (sal_uLong)(pRun - pArgvBuf) < nargvbytes )
pRun++;
if( (sal_uLong)(pRun - pArgvBuf) < nargvbytes )
pRun++;
}
}
ConnectorInstance::~ConnectorInstance()
{
delete [] pMimeType;
delete [] argn;
delete [] argv;
delete [] pArgnBuf;
delete [] pArgvBuf;
delete [] (char*)aData.buf;
}
const char* GetCommandName( CommandAtoms eCommand )
{
switch( eCommand )
{
case eNPN_GetURL: return "NPN_GetURL";
case eNPN_GetURLNotify: return "NPN_GetURLNotify";
case eNPN_DestroyStream: return "NPN_DestroyStream";
case eNPN_NewStream: return "NPN_NewStream";
case eNPN_PostURLNotify: return "NPN_PostURLNotify";
case eNPN_PostURL: return "NPN_PostURL";
case eNPN_RequestRead: return "NPN_RequestRead";
case eNPN_Status: return "NPN_Status";
case eNPN_Version: return "NPN_Version";
case eNPN_Write: return "NPN_Write";
case eNPN_UserAgent: return "NPN_UserAgent";
case eNPP_DestroyStream: return "NPP_DestroyStream";
case eNPP_Destroy: return "NPP_Destroy";
case eNPP_DestroyPhase2: return "NPP_DestroyPhase2";
case eNPP_NewStream: return "NPP_NewStream";
case eNPP_New: return "NPP_New";
case eNPP_SetWindow: return "NPP_SetWindow";
case eNPP_StreamAsFile: return "NPP_StreamAsFile";
case eNPP_URLNotify: return "NPP_URLNotify";
case eNPP_WriteReady: return "NPP_WriteReady";
case eNPP_Write: return "NPP_Write";
case eNPP_GetMIMEDescription: return "NPP_GetMIMEDescription";
case eNPP_Initialize: return "NPP_Initialize";
case eNPP_Shutdown: return "NPP_Shutdown";
case eMaxCommand: return "eMaxCommand";
default: return "unknown command";
}
return NULL;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */