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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: module.c,v $
* $Revision: 1.6 $
*
* 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.
*
************************************************************************/
#include "system.h"
#include <osl/module.h>
#include <osl/diagnose.h>
#include <osl/file.h>
#include <osl/thread.h>
#include <stdlib.h>
int UnicodeToText(char *, size_t, const sal_Unicode *, sal_Int32);
// static data for holding SAL dll module and full path
static HMODULE hModSal;
static char szSalDir[ _MAX_PATH];
static char szSalDrive[ _MAX_PATH];
/*****************************************************************************/
/* osl_loadModule */
/*****************************************************************************/
ULONG APIENTRY _DosLoadModule (PSZ pszObject, ULONG uObjectLen, PCSZ pszModule,
PHMODULE phmod)
{
APIRET rc;
rc = DosLoadModule( pszObject, uObjectLen, pszModule, phmod);
// YD 22/05/06 issue again if first call fails (why?)
if (rc == ERROR_INVALID_PARAMETER)
rc = DosLoadModule( pszObject, uObjectLen, pszModule, phmod);
return rc;
}
oslModule SAL_CALL osl_loadModule(rtl_uString *ustrModuleName, sal_Int32 nRtldMode)
{
HMODULE hModule;
BYTE szErrorMessage[256];
APIRET rc;
oslModule pModule=0;
rtl_uString* ustrTmp = NULL;
OSL_ENSURE(ustrModuleName,"osl_loadModule : string is not valid");
/* ensure ustrTmp hold valid string */
if( osl_File_E_None != osl_getSystemPathFromFileURL( ustrModuleName, &ustrTmp ) )
rtl_uString_assign( &ustrTmp, ustrModuleName );
if( ustrTmp )
{
char buffer[PATH_MAX];
if( UnicodeToText( buffer, PATH_MAX, ustrTmp->buffer, ustrTmp->length ) )
{
char drive[_MAX_DRIVE], dir[_MAX_DIR];
char fname[_MAX_FNAME], ext[_MAX_EXT];
char* dot;
// 21/02/2006 YD dll names must be 8.3: since .uno.dll files
// have hardcoded names, I'm truncating names here and also in
// the build system
_splitpath (buffer, drive, dir, fname, ext);
if (strlen(fname)>8)
fname[8] = 0; // truncate to 8.3
dot = strchr( fname, '.');
if (dot)
*dot = '\0'; // truncate on dot
// if drive is not specified, remove starting \ from dir name
// so dll is loaded from LIBPATH
if (drive[0] == 0 && dir[0] == '\\' && dir[1] == '\\') {
while( dir[0] == '\\')
strcpy( dir, dir+1);
}
_makepath( buffer, drive, dir, fname, ext);
rc = _DosLoadModule( szErrorMessage, sizeof( szErrorMessage), (PCSZ)buffer, &hModule);
if (rc == NO_ERROR )
pModule = (oslModule)hModule;
else
{
if (rc == NO_ERROR )
pModule = (oslModule)hModule;
else
{
sal_Char szError[ PATH_MAX*2 ];
sprintf( szError, "Module: %s; rc: %d;\nReason: %s;\n"
"Please contact technical support and report above informations.\n\n",
buffer, rc, szErrorMessage );
#if OSL_DEBUG_LEVEL>0
fprintf( stderr, szError);
#endif
//OSL_TRACE(szError);
#ifndef OSL_DEBUG_LEVEL
WinMessageBox(HWND_DESKTOP,HWND_DESKTOP,
szError, "Critical error: DosLoadModule failed",
0, MB_ERROR | MB_OK | MB_MOVEABLE);
#endif
}
}
}
}
rtl_uString_release( ustrTmp );
return pModule;
}
/*****************************************************************************/
/* osl_getModuleHandle */
/*****************************************************************************/
sal_Bool SAL_CALL
osl_getModuleHandle(rtl_uString *pModuleName, oslModule *pResult)
{
HMODULE hmod;
APIRET rc;
rc = DosQueryModuleHandle(pModuleName->buffer, &hmod);
if( rc == NO_ERROR)
{
*pResult = (oslModule) hmod;
return sal_True;
}
return sal_False;
}
/*****************************************************************************/
/* osl_unloadModule */
/*****************************************************************************/
void SAL_CALL osl_unloadModule(oslModule Module)
{
#if OSL_DEBUG_LEVEL>0
if (!Module)
fprintf( stderr, "osl_unloadModule NULL HANDLE.\n");
#endif
DosFreeModule((HMODULE)Module);
}
/*****************************************************************************/
/* osl_getSymbol */
/*****************************************************************************/
void* SAL_CALL
osl_getSymbol(oslModule Module, rtl_uString* pSymbolName)
{
return (void *) osl_getFunctionSymbol(Module, pSymbolName);
}
/*****************************************************************************/
/* osl_getFunctionSymbol */
/*****************************************************************************/
oslGenericFunction SAL_CALL osl_getFunctionSymbol( oslModule Module, rtl_uString *strSymbolName )
{
rtl_String *symbolName = NULL;
oslGenericFunction address;
OSL_ASSERT(Module);
OSL_ASSERT(strSymbolName);
rtl_uString2String(
&symbolName,
strSymbolName->buffer,
strSymbolName->length,
RTL_TEXTENCODING_UTF8,
OUSTRING_TO_OSTRING_CVTFLAGS
);
address=osl_getAsciiFunctionSymbol(Module, rtl_string_getStr(symbolName));
rtl_string_release(symbolName);
return address;
}
/*****************************************************************************/
/* osl_getAsciiFunctionSymbol */
/*****************************************************************************/
oslGenericFunction SAL_CALL
osl_getAsciiFunctionSymbol( oslModule Module, const sal_Char *pSymbol )
{
PFN pFunction;
APIRET rc;
void* pHandle=0;
OSL_ENSURE(Module,"osl_getSymbol : module handle is not valid");
OSL_ENSURE(Module,"osl_getSymbol : ustrSymbolName");
if ( Module!= 0 && pSymbol != 0 )
{
rc = DosQueryProcAddr( (HMODULE) Module, 0, (PCSZ)pSymbol, &pFunction );
if( rc == NO_ERROR )
{
pHandle = (void*)pFunction;
}
else
{
// YD try again adding the '_' prefix
char _pszSymbolName[255];
strcpy( _pszSymbolName, "_");
strcat( _pszSymbolName, pSymbol);
rc = DosQueryProcAddr( (HMODULE) Module, 0, (PCSZ)_pszSymbolName, &pFunction );
if( rc == NO_ERROR )
pHandle = (void*)pFunction;
}
}
return pHandle;
}
/*****************************************************************************/
/* osl_getModuleURLFromAddress */
/*****************************************************************************/
sal_Bool SAL_CALL osl_getModuleURLFromAddress(void * addr, rtl_uString ** ppLibraryUrl)
{
//APIRET APIENTRY DosQueryModFromEIP (HMODULE *phMod, ULONG *pObjNum,
// ULONG BuffLen, PCHAR pBuff, ULONG *pOffset, ULONG Address)
HMODULE hMod;
ULONG ObjNum;
CHAR Buff[2*_MAX_PATH];
ULONG Offset;
APIRET rc;
// get module handle (and name)
rc = DosQueryModFromEIP( &hMod, &ObjNum, sizeof( Buff), Buff, &Offset, (ULONG)addr);
if (rc)
return sal_False;
// get module full path
rc = DosQueryModuleName( hMod, sizeof( Buff), Buff);
if (rc)
return sal_False;
#if OSL_DEBUG_LEVEL > 1
OSL_TRACE("module.c::osl_getModuleURLFromAddress - %s\n", Buff);
#endif
// convert to URL
rtl_uString *ustrSysPath = NULL;
rtl_string2UString( &ustrSysPath, Buff, strlen(Buff), osl_getThreadTextEncoding(), OSTRING_TO_OUSTRING_CVTFLAGS );
OSL_ASSERT(ustrSysPath != NULL);
osl_getFileURLFromSystemPath( ustrSysPath, ppLibraryUrl );
rtl_uString_release( ustrSysPath );
return sal_True;
}
/*****************************************************************************/
/* osl_getModuleURLFromFunctionAddress */
/*****************************************************************************/
sal_Bool SAL_CALL osl_getModuleURLFromFunctionAddress( oslGenericFunction addr, rtl_uString ** ppLibraryUrl )
{
return osl_getModuleURLFromAddress( ( void * )addr, ppLibraryUrl );
}
/*****************************************************************************/
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