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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
commitd796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch)
tree6e3dcca4f77e20ec8966c666aac7c35bd4704053 /src/tools/qlibrary_unix.cpp
downloadtqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz
tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
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+/****************************************************************************
+**
+** Implementation of TQLibraryPrivate class
+**
+** Created : 000101
+**
+** Copyright (C) 2000-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the tools module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing retquirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file. Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "qplatformdefs.h"
+#include "private/qlibrary_p.h"
+
+#ifndef QT_NO_LIBRARY
+
+#if defined(QT_AOUT_UNDERSCORE)
+#include <string.h>
+#endif
+
+/*
+ The platform dependent implementations of
+ - loadLibrary
+ - freeLibrary
+ - resolveSymbol
+
+ It's not too hard to guess what the functions do.
+*/
+
+#if defined(QT_HPUX_LD) // for HP-UX < 11.x and 32 bit
+
+bool TQLibraryPrivate::loadLibrary()
+{
+ if ( pHnd )
+ return TRUE;
+
+ TQString 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 )
+ qWarning( "%s: failed to load library!", filename.latin1() );
+#endif
+ return pHnd != 0;
+}
+
+bool TQLibraryPrivate::freeLibrary()
+{
+ if ( !pHnd )
+ return TRUE;
+
+ if ( shl_unload( (shl_t)pHnd ) ) {
+#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
+ TQString filename = library->library();
+ qWarning( "%s: Failed to unload library!", filename.latin1() );
+#endif
+ return FALSE;
+ }
+ pHnd = 0;
+ return TRUE;
+}
+
+void* TQLibraryPrivate::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_COMPONENT)
+ TQString filename = library->library();
+ qWarning( "%s: couldn't resolve symbol \"%s\"", filename.latin1(), symbol );
+#endif
+ }
+ return address;
+}
+
+#else // POSIX
+#include <dlfcn.h>
+#ifndef DL_PREFIX //for mac dlcompat
+# define DL_PREFIX(x) x
+#endif
+
+bool TQLibraryPrivate::loadLibrary()
+{
+ if ( pHnd )
+ return TRUE;
+
+ TQString filename = library->library();
+
+ pHnd = DL_PREFIX(dlopen)( filename.latin1(), RTLD_LAZY );
+#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
+ if ( !pHnd )
+ qWarning( "%s", DL_PREFIX(dlerror)() );
+#endif
+ return pHnd != 0;
+}
+
+bool TQLibraryPrivate::freeLibrary()
+{
+ if ( !pHnd )
+ return TRUE;
+
+ if ( DL_PREFIX(dlclose)( pHnd ) ) {
+#if defined(QT_DEBUG) || defined(QT_DEBUG_COMPONENT)
+ qWarning( "%s", DL_PREFIX(dlerror)() );
+#endif
+ return FALSE;
+ }
+
+ pHnd = 0;
+ return TRUE;
+}
+
+void* TQLibraryPrivate::resolveSymbol( const char* symbol )
+{
+ if ( !pHnd )
+ return 0;
+
+#if defined(QT_AOUT_UNDERSCORE)
+ // older a.out systems add an underscore in front of symbols
+ char* undrscr_symbol = new char[strlen(symbol)+2];
+ undrscr_symbol[0] = '_';
+ strcpy(undrscr_symbol+1, symbol);
+ void* address = DL_PREFIX(dlsym)( pHnd, undrscr_symbol );
+ delete [] undrscr_symbol;
+#else
+ void* address = DL_PREFIX(dlsym)( pHnd, symbol );
+#endif
+#if defined(QT_DEBUG_COMPONENT)
+ const char* error = DL_PREFIX(dlerror)();
+ if ( error )
+ qWarning( "%s", error );
+#endif
+ return address;
+}
+
+#endif // POSIX
+
+#endif