diff options
Diffstat (limited to 'src/corelib/io/qfsfileengine_unix.cpp')
-rw-r--r-- | src/corelib/io/qfsfileengine_unix.cpp | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp index 05e6fabecf..722d6d3a60 100644 --- a/src/corelib/io/qfsfileengine_unix.cpp +++ b/src/corelib/io/qfsfileengine_unix.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -191,12 +191,16 @@ bool QFSFileEnginePrivate::nativeOpen(QIODevice::OpenMode openMode) return false; } - QT_STATBUF statBuf; - if (QT_FSTAT(fd, &statBuf) != -1) { - if ((statBuf.st_mode & S_IFMT) == S_IFDIR) { - q->setError(QFile::OpenError, QLatin1String("file to open is a directory")); - QT_CLOSE(fd); - return false; + if (!(openMode & QIODevice::WriteOnly)) { + // we don't need this check if we tried to open for writing because then + // we had received EISDIR anyway. + QT_STATBUF statBuf; + if (QT_FSTAT(fd, &statBuf) != -1) { + if ((statBuf.st_mode & S_IFMT) == S_IFDIR) { + q->setError(QFile::OpenError, QLatin1String("file to open is a directory")); + QT_CLOSE(fd); + return false; + } } } @@ -230,12 +234,16 @@ bool QFSFileEnginePrivate::nativeOpen(QIODevice::OpenMode openMode) return false; } - QT_STATBUF statBuf; - if (QT_FSTAT(fileno(fh), &statBuf) != -1) { - if ((statBuf.st_mode & S_IFMT) == S_IFDIR) { - q->setError(QFile::OpenError, QLatin1String("file to open is a directory")); - fclose(fh); - return false; + if (!(openMode & QIODevice::WriteOnly)) { + // we don't need this check if we tried to open for writing because then + // we had received EISDIR anyway. + QT_STATBUF statBuf; + if (QT_FSTAT(fileno(fh), &statBuf) != -1) { + if ((statBuf.st_mode & S_IFMT) == S_IFDIR) { + q->setError(QFile::OpenError, QLatin1String("file to open is a directory")); + fclose(fh); + return false; + } } } @@ -817,10 +825,9 @@ QAbstractFileEngine::FileFlags QFSFileEngine::fileFlags(FileFlags type) const ret |= RootFlag; } else { QString baseName = fileName(BaseName); - if ((baseName.size() > 1 - && baseName.at(0) == QLatin1Char('.') && baseName.at(1) != QLatin1Char('.')) + if ((baseName.size() > 0 && baseName.at(0) == QLatin1Char('.')) # if !defined(QWS) && defined(Q_OS_MAC) - || _q_isMacHidden(d->filePath) + || _q_isMacHidden(d->filePath) # endif ) { ret |= HiddenFlag; @@ -1245,7 +1252,7 @@ uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFla } if (offset < 0 || offset != qint64(QT_OFF_T(offset)) - || size < 0 || size > qint64(size_t(-1))) { + || size < 0 || quint64(size) > quint64(size_t(-1))) { q->setError(QFile::UnspecifiedError, qt_error_string(int(EINVAL))); return 0; } @@ -1254,7 +1261,7 @@ uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFla // undefined behavior. Otherwise, let mmap have its say. if (doStat() && (QT_OFF_T(size) > st.st_size - QT_OFF_T(offset))) - return 0; + qWarning("QFSFileEngine::map: Mapping a file beyond its size is not portable"); int access = 0; if (openMode & QIODevice::ReadOnly) access |= PROT_READ; |