/********************************************************************** ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. ** ** This file is part of the 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