From c8baa5602a478fb4e2907b8a319397c15a72ad1c Mon Sep 17 00:00:00 2001 From: Shane Kearns Date: Fri, 2 Sep 2011 18:40:45 +0100 Subject: [PATCH] Restore Qt4.7 behaviour of QFileInfo::absolute(File)Path Many applications relied on the undefined behaviour that the filesystem engines returned clean paths (despite the documentation stating that they may not), and consequently suffered regressions with Qt 4.8. Unix paths are once again cleaned if necessary. Windows/Symbian paths were already cleaned, but now use the utility function to check if a path is dirty, to avoid duplicated code. Task-number: QTBUG-19995 Change-Id: If8c18469f149291c9d079ae3da23bc2087bbd49a Reviewed-on: http://codereview.qt.nokia.com/4154 Reviewed-by: Qt Sanity Bot Reviewed-by: Prasanth Ullattil --- src/corelib/io/qfilesystemengine_symbian.cpp | 4 +--- src/corelib/io/qfilesystemengine_unix.cpp | 2 +- src/corelib/io/qfilesystemengine_win.cpp | 6 +----- tests/auto/qfileinfo/tst_qfileinfo.cpp | 10 +++++++++- 4 files changed, 12 insertions(+), 10 deletions(-) diff --git a/src/corelib/io/qfilesystemengine_symbian.cpp b/src/corelib/io/qfilesystemengine_symbian.cpp index 18c52cbb17..c8c1dfdc84 100644 --- a/src/corelib/io/qfilesystemengine_symbian.cpp +++ b/src/corelib/io/qfilesystemengine_symbian.cpp @@ -114,9 +114,7 @@ QFileSystemEntry QFileSystemEngine::absoluteName(const QFileSystemEntry &entry) { QString orig = entry.filePath(); const bool isAbsolute = entry.isAbsolute(); - const bool isDirty = (orig.contains(QLatin1String("/../")) || orig.contains(QLatin1String("/./")) || - orig.contains(QLatin1String("//")) || - orig.endsWith(QLatin1String("/..")) || orig.endsWith(QLatin1String("/."))); + const bool isDirty = !entry.isClean(); if (isAbsolute && !isDirty) return entry; diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp index f1e0758bbe..966daba021 100644 --- a/src/corelib/io/qfilesystemengine_unix.cpp +++ b/src/corelib/io/qfilesystemengine_unix.cpp @@ -218,7 +218,7 @@ QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry, //static QFileSystemEntry QFileSystemEngine::absoluteName(const QFileSystemEntry &entry) { - if (entry.isAbsolute()) + if (entry.isAbsolute() && entry.isClean()) return entry; QByteArray orig = entry.nativeFilePath(); diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp index f704fc3e90..df34184091 100644 --- a/src/corelib/io/qfilesystemengine_win.cpp +++ b/src/corelib/io/qfilesystemengine_win.cpp @@ -508,11 +508,7 @@ QFileSystemEntry QFileSystemEngine::absoluteName(const QFileSystemEntry &entry) if (!entry.isRelative()) { #if !defined(Q_OS_WINCE) - if (entry.isAbsolute() - && !entry.filePath().contains(QLatin1String("/../")) - && !entry.filePath().contains(QLatin1String("/./")) - && !entry.filePath().endsWith(QLatin1String("/..")) - && !entry.filePath().endsWith(QLatin1String("/."))) { + if (entry.isAbsolute() && entry.isClean()) { ret = entry.filePath(); } else { ret = QDir::fromNativeSeparators(nativeAbsoluteFilePath(entry.filePath())); diff --git a/tests/auto/qfileinfo/tst_qfileinfo.cpp b/tests/auto/qfileinfo/tst_qfileinfo.cpp index 92046d3e12..878493b8e3 100644 --- a/tests/auto/qfileinfo/tst_qfileinfo.cpp +++ b/tests/auto/qfileinfo/tst_qfileinfo.cpp @@ -481,6 +481,11 @@ void tst_QFileInfo::absolutePath_data() QTest::newRow("c:\\autoexec.bat") << "c:\\autoexec.bat" << "C:/" << "autoexec.bat"; #endif + QTest::newRow("QTBUG-19995.1") << drivePrefix + "/System/Library/StartupItems/../Frameworks" + << drivePrefix + "/System/Library" + << "Frameworks"; + QTest::newRow("QTBUG-19995.2") << drivePrefix + "/System/Library/StartupItems/../Frameworks/" + << drivePrefix + "/System/Library/Frameworks" << ""; } void tst_QFileInfo::absolutePath() @@ -502,6 +507,7 @@ void tst_QFileInfo::absFilePath_data() QTest::newRow("relativeFile") << "tmp.txt" << QDir::currentPath() + "/tmp.txt"; QTest::newRow("relativeFileInSubDir") << "temp/tmp.txt" << QDir::currentPath() + "/" + "temp/tmp.txt"; + QString drivePrefix; #if (defined(Q_OS_WIN) && !defined(Q_OS_WINCE)) || defined(Q_OS_SYMBIAN) QString curr = QDir::currentPath(); @@ -510,7 +516,7 @@ void tst_QFileInfo::absFilePath_data() QTest::newRow("absFilePath") << "c:\\home\\andy\\tmp.txt" << "C:/home/andy/tmp.txt"; // Make sure drive-relative paths return correct absolute paths (task 255326) - QString drivePrefix = QDir::currentPath().left(2); + drivePrefix = QDir::currentPath().left(2); QString nonCurrentDrivePrefix = drivePrefix.left(1).compare("X", Qt::CaseInsensitive) == 0 ? QString("Y:") : QString("X:"); @@ -520,6 +526,8 @@ void tst_QFileInfo::absFilePath_data() #else QTest::newRow("absFilePath") << "/home/andy/tmp.txt" << "/home/andy/tmp.txt"; #endif + QTest::newRow("QTBUG-19995") << drivePrefix + "/System/Library/StartupItems/../Frameworks" + << drivePrefix + "/System/Library/Frameworks"; } void tst_QFileInfo::absFilePath()