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/*************************************************************************
*
* 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.
*
************************************************************************/
#include <sal/types.h>
#include <osl/diagnose.h>
#include <osl/module.h>
#include <osl/thread.h>
#include <osl/process.h>
#include <osl/file.h>
#include "system.h"
#if OSL_DEBUG_LEVEL > 1
#include <stdio.h>
#endif
/* implemented in file.c */
extern int UnicodeToText(char *, size_t, const sal_Unicode *, sal_Int32);
oslModule SAL_CALL osl_psz_loadModule(const sal_Char *pszModuleName, sal_Int32 nRtldMode);
/*****************************************************************************/
/* osl_loadModule */
/*****************************************************************************/
oslModule SAL_CALL osl_loadModule(rtl_uString *ustrModuleName, sal_Int32 nRtldMode)
{
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))
pModule = osl_psz_loadModule(buffer, nRtldMode);
rtl_uString_release(ustrTmp);
}
return pModule;
}
/*****************************************************************************/
/* osl_psz_loadModule */
/*****************************************************************************/
oslModule SAL_CALL osl_psz_loadModule(const sal_Char *pszModuleName, sal_Int32 nRtldMode)
{
OSL_ASSERT(
(nRtldMode & SAL_LOADMODULE_LAZY) == 0 ||
(nRtldMode & SAL_LOADMODULE_NOW) == 0); /* only either LAZY or NOW */
if (pszModuleName)
{
#ifndef NO_DL_FUNCTIONS
int rtld_mode =
((nRtldMode & SAL_LOADMODULE_NOW) ? RTLD_NOW : RTLD_LAZY) |
((nRtldMode & SAL_LOADMODULE_GLOBAL) ? RTLD_GLOBAL : RTLD_LOCAL);
void* pLib = dlopen(pszModuleName, rtld_mode);
#if OSL_DEBUG_LEVEL > 1
if (pLib == 0)
OSL_TRACE("Error osl_loadModule: %s\n", dlerror());
#endif /* OSL_DEBUG_LEVEL */
return ((oslModule)(pLib));
#else /* NO_DL_FUNCTIONS */
printf("No DL Functions\n");
#endif /* NO_DL_FUNCTIONS */
}
return NULL;
}
/*****************************************************************************/
/* osl_getModuleHandle */
/*****************************************************************************/
sal_Bool SAL_CALL
osl_getModuleHandle(rtl_uString *pModuleName, oslModule *pResult)
{
(void) pModuleName; /* avoid warning about unused parameter */
*pResult = (oslModule) RTLD_DEFAULT;
return sal_True;
}
/*****************************************************************************/
/* osl_unloadModule */
/*****************************************************************************/
void SAL_CALL osl_unloadModule(oslModule hModule)
{
if (hModule)
{
#ifndef NO_DL_FUNCTIONS
int nRet = dlclose(hModule);
#if OSL_DEBUG_LEVEL > 1
if (nRet != 0)
{
fprintf(stderr, "Error osl_unloadModule: %s\n", dlerror());
}
#else
(void) nRet;
#endif /* if OSL_DEBUG_LEVEL */
#endif /* ifndef NO_DL_FUNCTIONS */
}
}
/*****************************************************************************/
/* osl_getSymbol */
/*****************************************************************************/
void* SAL_CALL
osl_getSymbol(oslModule Module, rtl_uString* pSymbolName)
{
return (void *) osl_getFunctionSymbol(Module, pSymbolName);
}
/*****************************************************************************/
/* osl_getAsciiFunctionSymbol */
/*****************************************************************************/
oslGenericFunction SAL_CALL
osl_getAsciiFunctionSymbol(oslModule Module, const sal_Char *pSymbol)
{
void *fcnAddr = NULL;
#ifndef NO_DL_FUNCTIONS
if (pSymbol)
{
fcnAddr = dlsym(Module, pSymbol);
if (!fcnAddr)
OSL_TRACE("Error osl_getAsciiFunctionSymbol: %s\n", dlerror());
}
#endif
return (oslGenericFunction) fcnAddr;
}
/*****************************************************************************/
/* osl_getFunctionSymbol */
/*****************************************************************************/
oslGenericFunction SAL_CALL
osl_getFunctionSymbol(oslModule module, rtl_uString *puFunctionSymbolName)
{
oslGenericFunction pSymbol = NULL;
if( puFunctionSymbolName )
{
rtl_String* pSymbolName = NULL;
rtl_uString2String( &pSymbolName,
rtl_uString_getStr(puFunctionSymbolName),
rtl_uString_getLength(puFunctionSymbolName),
RTL_TEXTENCODING_UTF8,
OUSTRING_TO_OSTRING_CVTFLAGS );
if( pSymbolName != NULL )
{
pSymbol = osl_getAsciiFunctionSymbol(module, rtl_string_getStr(pSymbolName));
rtl_string_release(pSymbolName);
}
}
return pSymbol;
}
/*****************************************************************************/
/* osl_getModuleURLFromAddress */
/*****************************************************************************/
sal_Bool SAL_CALL osl_getModuleURLFromAddress(void * addr, rtl_uString ** ppLibraryUrl)
{
sal_Bool result = sal_False;
Dl_info dl_info;
if ((result = dladdr(addr, &dl_info)) != 0)
{
rtl_uString * workDir = NULL;
osl_getProcessWorkingDir(&workDir);
if (workDir)
{
#if OSL_DEBUG_LEVEL > 1
OSL_TRACE("module.c::osl_getModuleURLFromAddress - %s\n", dl_info.dli_fname);
#endif
rtl_string2UString(ppLibraryUrl,
dl_info.dli_fname,
strlen(dl_info.dli_fname),
osl_getThreadTextEncoding(),
OSTRING_TO_OUSTRING_CVTFLAGS);
OSL_ASSERT(*ppLibraryUrl != NULL);
osl_getFileURLFromSystemPath(*ppLibraryUrl, ppLibraryUrl);
osl_getAbsoluteFileURL(workDir, *ppLibraryUrl, ppLibraryUrl);
rtl_uString_release(workDir);
result = sal_True;
}
else
{
result = sal_False;
}
}
return result;
}
/*****************************************************************************/
/* osl_getModuleURLFromFunctionAddress */
/*****************************************************************************/
sal_Bool SAL_CALL osl_getModuleURLFromFunctionAddress(oslGenericFunction addr, rtl_uString ** ppLibraryUrl)
{
return osl_getModuleURLFromAddress((void*)addr, ppLibraryUrl);
}
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