| -rw-r--r-- | library/qlibrary_unix.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/library/qlibrary_unix.cpp b/library/qlibrary_unix.cpp new file mode 100644 index 0000000..50a5478 --- a/dev/null +++ b/library/qlibrary_unix.cpp @@ -0,0 +1,132 @@ +/********************************************************************** +** 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 |