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/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "qlibrary_p.h"
#ifndef QT_NO_COMPONENT
/*
The platform dependent implementations of
- loadLibrary
- freeLibrary
- resolveSymbol
It's not too hard to guess what the functions do.
*/
#if defined(Q_OS_HPUX)
// for HP-UX < 11.x and 32 bit
#include <dl.h>
bool QLibraryPrivate::loadLibrary()
{
if ( pHnd )
return TRUE;
QString filename = library->library();
pHnd = (void*)shl_load( filename.latin1(), BIND_DEFERRED | BIND_NONFATAL | DYNAMIC_PATH, 0 );
#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
if ( !pHnd )
qDebug( "Failed to load library %s!", filename.latin1() );
#endif
return pHnd != 0;
}
bool QLibraryPrivate::freeLibrary()
{
if ( !pHnd )
return TRUE;
if ( !shl_unload( (shl_t)pHnd ) ) {
pHnd = 0;
return TRUE;
}
return FALSE;
}
void* QLibraryPrivate::resolveSymbol( const char* symbol )
{
if ( !pHnd )
return 0;
void* address = 0;
if ( shl_findsym( (shl_t*)&pHnd, symbol, TYPE_UNDEFINED, address ) < 0 ) {
#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
qDebug( "Couldn't resolve symbol \"%s\"", symbol );
#endif
return 0;
}
return address;
}
#else // Q_OS_HPUX
// Something else, assuming POSIX
#include <dlfcn.h>
bool QLibraryPrivate::loadLibrary()
{
if ( pHnd )
return TRUE;
QString filename = library->library();
pHnd = dlopen( filename.latin1() , RTLD_LAZY );
#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
if ( !pHnd )
qWarning( "%s", dlerror() );
#endif
return pHnd != 0;
}
bool QLibraryPrivate::freeLibrary()
{
if ( !pHnd )
return TRUE;
int ec = dlclose( pHnd );
if ( !ec )
pHnd = 0;
#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
else {
const char* error = dlerror();
if ( error )
qWarning( "%s", error );
}
#endif
return pHnd == 0;
}
void* QLibraryPrivate::resolveSymbol( const char* f )
{
if ( !pHnd )
return 0;
void* address = dlsym( pHnd, f );
#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
const char* error = dlerror();
if ( error )
qWarning( "%s", error );
#endif
return address;
}
#endif // POSIX
#endif // QT_NO_COMPONENT
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