diff options
Diffstat (limited to 'src/corelib/io/qfilesystemiterator_unix.cpp')
-rw-r--r-- | src/corelib/io/qfilesystemiterator_unix.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/corelib/io/qfilesystemiterator_unix.cpp b/src/corelib/io/qfilesystemiterator_unix.cpp new file mode 100644 index 0000000000..3d6012b47c --- /dev/null +++ b/src/corelib/io/qfilesystemiterator_unix.cpp @@ -0,0 +1,117 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qplatformdefs.h" +#include "qfilesystemiterator_p.h" + +#ifndef QT_NO_FILESYSTEMITERATOR + +#include <stdlib.h> +#include <errno.h> + +QT_BEGIN_NAMESPACE + +QFileSystemIterator::QFileSystemIterator(const QFileSystemEntry &entry, QDir::Filters filters, + const QStringList &nameFilters, QDirIterator::IteratorFlags flags) + : nativePath(entry.nativeFilePath()) + , dir(0) + , dirEntry(0) + , lastError(0) +{ + Q_UNUSED(filters) + Q_UNUSED(nameFilters) + Q_UNUSED(flags) + + if ((dir = QT_OPENDIR(nativePath.constData())) == 0) { + lastError = errno; + } else { + + if (!nativePath.endsWith('/')) + nativePath.append('/'); + +#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) + // ### Race condition; we should use fpathconf and dirfd(). + size_t maxPathName = ::pathconf(nativePath.constData(), _PC_NAME_MAX); + if (maxPathName == size_t(-1)) + maxPathName = FILENAME_MAX; + maxPathName += sizeof(QT_DIRENT) + 1; + + QT_DIRENT *p = reinterpret_cast<QT_DIRENT*>(::malloc(maxPathName)); + Q_CHECK_PTR(p); + + mt_file.reset(p); +#endif + } +} + +QFileSystemIterator::~QFileSystemIterator() +{ + if (dir) + QT_CLOSEDIR(dir); +} + +bool QFileSystemIterator::advance(QFileSystemEntry &fileEntry, QFileSystemMetaData &metaData) +{ + if (!dir) + return false; + +#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) + lastError = QT_READDIR_R(dir, mt_file.data(), &dirEntry); + if (lastError) + return false; +#else + // ### add local lock to prevent breaking reentrancy + dirEntry = QT_READDIR(dir); +#endif // _POSIX_THREAD_SAFE_FUNCTIONS + + if (dirEntry) { + fileEntry = QFileSystemEntry(nativePath + QByteArray(dirEntry->d_name), QFileSystemEntry::FromNativePath()); + metaData.fillFromDirEnt(*dirEntry); + return true; + } + + lastError = errno; + return false; +} + +QT_END_NAMESPACE + +#endif // QT_NO_FILESYSTEMITERATOR |