Move platform-specific code from QFSFileEngine to QFileSystemEngine

Change-Id: I8d96dea9955d4c749b99fffd14cd9395174ba005
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

5 files changed, 178 insertions, 162 deletions

diff --git a/src/corelib/io/qfilesystemengine_p.h b/src/corelib/io/qfilesystemengine_p.h
index f625f4dcd8..a3c96ebd78 100644
--- a/src/corelib/io/qfilesystemengine_p.h
+++ b/src/corelib/io/qfilesystemengine_p.h
@@ -93,6 +93,8 @@ public:
 #if defined(Q_OS_UNIX)
     static bool fillMetaData(int fd, QFileSystemMetaData &data); // what = PosixStatFlags
     static QByteArray id(int fd);
+    static bool setFileTime(int fd, const QDateTime &newDate,
+                            QAbstractFileEngine::FileTime whatTime, QSystemError &error);
     static bool setPermissions(int fd, QFile::Permissions permissions, QSystemError &error,
                                QFileSystemMetaData *data = nullptr);
 #endif
@@ -106,6 +108,8 @@ public:
     static bool fillPermissions(const QFileSystemEntry &entry, QFileSystemMetaData &data,
                                 QFileSystemMetaData::MetaDataFlags what);
     static QByteArray id(HANDLE fHandle);
+    static bool setFileTime(HANDLE fHandle, const QDateTime &newDate,
+                            QAbstractFileEngine::FileTime whatTime, QSystemError &error);
     static QString owner(const QFileSystemEntry &entry, QAbstractFileEngine::FileOwner own);
     static QString nativeAbsoluteFilePath(const QString &path);
 #endif
@@ -127,6 +131,10 @@ public:
     static bool setPermissions(const QFileSystemEntry &entry, QFile::Permissions permissions, QSystemError &error,
                                QFileSystemMetaData *data = 0);
 
+    // unused, therefore not implemented
+    static bool setFileTime(const QFileSystemEntry &entry, const QDateTime &newDate,
+                            QAbstractFileEngine::FileTime whatTime, QSystemError &error);
+
     static bool setCurrentPath(const QFileSystemEntry &entry);
     static QFileSystemEntry currentPath();
 
diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp
index 79b015938c..89250c52f3 100644
--- a/src/corelib/io/qfilesystemengine_unix.cpp
+++ b/src/corelib/io/qfilesystemengine_unix.cpp
@@ -157,6 +157,44 @@ static bool isPackage(const QFileSystemMetaData &data, const QFileSystemEntry &e
 }
 #endif
 
+#if !QT_CONFIG(futimens) && (QT_CONFIG(futimes) || QT_CONFIG(futimesat))
+namespace {
+namespace GetFileTimes {
+
+template <typename T>
+static inline typename QtPrivate::QEnableIf<(&T::st_atim, &T::st_mtim, true)>::Type get(const T *p, struct timeval *access, struct timeval *modification)
+{
+    access->tv_sec = p->st_atim.tv_sec;
+    access->tv_usec = p->st_atim.tv_nsec / 1000;
+
+    modification->tv_sec = p->st_mtim.tv_sec;
+    modification->tv_usec = p->st_mtim.tv_nsec / 1000;
+}
+
+template <typename T>
+static inline typename QtPrivate::QEnableIf<(&T::st_atimespec, &T::st_mtimespec, true)>::Type get(const T *p, struct timeval *access, struct timeval *modification)
+{
+    access->tv_sec = p->st_atimespec.tv_sec;
+    access->tv_usec = p->st_atimespec.tv_nsec / 1000;
+
+    modification->tv_sec = p->st_mtimespec.tv_sec;
+    modification->tv_usec = p->st_mtimespec.tv_nsec / 1000;
+}
+
+template <typename T>
+static inline typename QtPrivate::QEnableIf<(&T::st_atimensec, &T::st_mtimensec, true)>::Type get(const T *p, struct timeval *access, struct timeval *modification)
+{
+    access->tv_sec = p->st_atime;
+    access->tv_usec = p->st_atimensec / 1000;
+
+    modification->tv_sec = p->st_mtime;
+    modification->tv_usec = p->st_mtimensec / 1000;
+}
+
+}
+}
+#endif
+
 //static
 QFileSystemEntry QFileSystemEngine::getLinkTarget(const QFileSystemEntry &link, QFileSystemMetaData &data)
 {
@@ -803,6 +841,74 @@ bool QFileSystemEngine::setPermissions(int fd, QFile::Permissions permissions, Q
     return success;
 }
 
+//static
+bool QFileSystemEngine::setFileTime(int fd, const QDateTime &newDate, QAbstractFileEngine::FileTime time, QSystemError &error)
+{
+    if (!newDate.isValid() || time == QAbstractFileEngine::CreationTime) {
+        error = QSystemError(EINVAL, QSystemError::StandardLibraryError);
+        return false;
+    }
+
+#if QT_CONFIG(futimens)
+    struct timespec ts[2];
+
+    ts[0].tv_sec = ts[1].tv_sec = 0;
+    ts[0].tv_nsec = ts[1].tv_nsec = UTIME_OMIT;
+
+    const qint64 msecs = newDate.toMSecsSinceEpoch();
+
+    if (time == QAbstractFileEngine::AccessTime) {
+        ts[0].tv_sec = msecs / 1000;
+        ts[0].tv_nsec = (msecs % 1000) * 1000000;
+    } else if (time == QAbstractFileEngine::ModificationTime) {
+        ts[1].tv_sec = msecs / 1000;
+        ts[1].tv_nsec = (msecs % 1000) * 1000000;
+    }
+
+    if (futimens(fd, ts) == -1) {
+        error = QSystemError(errno, QSystemError::StandardLibraryError);
+        return false;
+    }
+
+    return true;
+#elif QT_CONFIG(futimes) || QT_CONFIG(futimesat)
+    struct timeval tv[2];
+    QT_STATBUF st;
+
+    if (QT_FSTAT(fd, &st) == -1) {
+        error = QSystemError(errno, QSystemError::StandardLibraryError);
+        return false;
+    }
+
+    GetFileTimes::get(&st, &tv[0], &tv[1]);
+
+    const qint64 msecs = newDate.toMSecsSinceEpoch();
+
+    if (time == QAbstractFileEngine::AccessTime) {
+        tv[0].tv_sec = msecs / 1000;
+        tv[0].tv_usec = (msecs % 1000) * 1000;
+    } else if (time == QAbstractFileEngine::ModificationTime) {
+        tv[1].tv_sec = msecs / 1000;
+        tv[1].tv_usec = (msecs % 1000) * 1000;
+    }
+
+#if QT_CONFIG(futimes)
+    if (futimes(fd, tv) == -1) {
+#else
+    if (futimesat(fd, NULL, tv) == -1) {
+#endif
+        error = QSystemError(errno, QSystemError::StandardLibraryError);
+        return false;
+    }
+
+    return true;
+#else
+    Q_UNUSED(fd);
+    error = QSystemError(ENOSYS, QSystemError::StandardLibraryError);
+    return false;
+#endif
+}
+
 QString QFileSystemEngine::homePath()
 {
     QString home = QFile::decodeName(qgetenv("HOME"));
diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp
index 74c6b52a66..5796b1ba66 100644
--- a/src/corelib/io/qfilesystemengine_win.cpp
+++ b/src/corelib/io/qfilesystemengine_win.cpp
@@ -231,6 +231,28 @@ QT_BEGIN_NAMESPACE
 
 Q_CORE_EXPORT int qt_ntfs_permission_lookup = 0;
 
+static inline bool toFileTime(const QDateTime &date, FILETIME *fileTime)
+{
+    SYSTEMTIME lTime;
+    const QDate d = date.date();
+    const QTime t = date.time();
+
+    lTime.wYear = d.year();
+    lTime.wMonth = d.month();
+    lTime.wDay = d.day();
+    lTime.wHour = t.hour();
+    lTime.wMinute = t.minute();
+    lTime.wSecond = t.second();
+    lTime.wMilliseconds = t.msec();
+    lTime.wDayOfWeek = d.dayOfWeek() % 7;
+
+    SYSTEMTIME sTime;
+    if (!::TzSpecificLocalTimeToSystemTime(0, &lTime, &sTime))
+        return false;
+
+    return ::SystemTimeToFileTime(&sTime, fileTime);
+}
+
 static QString readSymLink(const QFileSystemEntry &link)
 {
     QString result;
@@ -571,6 +593,42 @@ QByteArray QFileSystemEngine::id(HANDLE fHandle)
 }
 
 //static
+bool QFileSystemEngine::setFileTime(HANDLE fHandle, const QDateTime &newDate,
+                                    QAbstractFileEngine::FileTime time, QSystemError &error)
+{
+    FILETIME fTime;
+    FILETIME *pLastWrite = NULL;
+    FILETIME *pLastAccess = NULL;
+    FILETIME *pCreationTime = NULL;
+
+    switch (time) {
+    case QAbstractFileEngine::ModificationTime:
+        pLastWrite = &fTime;
+        break;
+
+    case QAbstractFileEngine::AccessTime:
+        pLastAccess = &fTime;
+        break;
+
+    case QAbstractFileEngine::CreationTime:
+        pCreationTime = &fTime;
+        break;
+
+    default:
+        error = QSystemError(ERROR_INVALID_PARAMETER, QSystemError::NativeError);
+        return false;
+    }
+
+    if (!toFileTime(newDate, &fTime))
+        return false;
+
+    if (!::SetFileTime(fHandle, pCreationTime, pLastAccess, pLastWrite)) {
+        error = QSystemError(::GetLastError(), QSystemError::NativeError);
+        return false;
+    }
+    return true;
+}
+
 QString QFileSystemEngine::owner(const QFileSystemEntry &entry, QAbstractFileEngine::FileOwner own)
 {
     QString name;
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
index 771810a06e..bb9b3dc87a 100644
--- a/src/corelib/io/qfsfileengine_unix.cpp
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -100,44 +100,6 @@ static inline QString msgOpenDirectory()
 #endif
 }
 
-#if !QT_CONFIG(futimens) && (QT_CONFIG(futimes) || QT_CONFIG(futimesat))
-namespace {
-namespace GetFileTimes {
-
-template <typename T>
-static inline typename QtPrivate::QEnableIf<(&T::st_atim, &T::st_mtim, true)>::Type get(const T *p, struct timeval *access, struct timeval *modification)
-{
-    access->tv_sec = p->st_atim.tv_sec;
-    access->tv_usec = p->st_atim.tv_nsec / 1000;
-
-    modification->tv_sec = p->st_mtim.tv_sec;
-    modification->tv_usec = p->st_mtim.tv_nsec / 1000;
-}
-
-template <typename T>
-static inline typename QtPrivate::QEnableIf<(&T::st_atimespec, &T::st_mtimespec, true)>::Type get(const T *p, struct timeval *access, struct timeval *modification)
-{
-    access->tv_sec = p->st_atimespec.tv_sec;
-    access->tv_usec = p->st_atimespec.tv_nsec / 1000;
-
-    modification->tv_sec = p->st_mtimespec.tv_sec;
-    modification->tv_usec = p->st_mtimespec.tv_nsec / 1000;
-}
-
-template <typename T>
-static inline typename QtPrivate::QEnableIf<(&T::st_atimensec, &T::st_mtimensec, true)>::Type get(const T *p, struct timeval *access, struct timeval *modification)
-{
-    access->tv_sec = p->st_atime;
-    access->tv_usec = p->st_atimensec / 1000;
-
-    modification->tv_sec = p->st_mtime;
-    modification->tv_usec = p->st_mtimensec / 1000;
-}
-
-}
-}
-#endif
-
 /*!
     \internal
 */
@@ -654,72 +616,14 @@ bool QFSFileEngine::setFileTime(const QDateTime &newDate, FileTime time)
         return false;
     }
 
-    if (!newDate.isValid() || time == QAbstractFileEngine::CreationTime) {
-        setError(QFile::UnspecifiedError, qt_error_string(EINVAL));
-        return false;
-    }
-
-#if QT_CONFIG(futimens)
-    struct timespec ts[2];
-
-    ts[0].tv_sec = ts[1].tv_sec = 0;
-    ts[0].tv_nsec = ts[1].tv_nsec = UTIME_OMIT;
-
-    const qint64 msecs = newDate.toMSecsSinceEpoch();
-
-    if (time == QAbstractFileEngine::AccessTime) {
-        ts[0].tv_sec = msecs / 1000;
-        ts[0].tv_nsec = (msecs % 1000) * 1000000;
-    } else if (time == QAbstractFileEngine::ModificationTime) {
-        ts[1].tv_sec = msecs / 1000;
-        ts[1].tv_nsec = (msecs % 1000) * 1000000;
-    }
-
-    if (futimens(d->nativeHandle(), ts) == -1) {
-        setError(QFile::PermissionsError, qt_error_string());
-        return false;
-    }
-
-    d->metaData.clearFlags(QFileSystemMetaData::Times);
-
-    return true;
-#elif QT_CONFIG(futimes) || QT_CONFIG(futimesat)
-    struct timeval tv[2];
-    QT_STATBUF st;
-
-    if (QT_FSTAT(d->nativeHandle(), &st) == -1) {
-        setError(QFile::PermissionsError, qt_error_string());
-        return false;
-    }
-
-    GetFileTimes::get(&st, &tv[0], &tv[1]);
-
-    const qint64 msecs = newDate.toMSecsSinceEpoch();
-
-    if (time == QAbstractFileEngine::AccessTime) {
-        tv[0].tv_sec = msecs / 1000;
-        tv[0].tv_usec = (msecs % 1000) * 1000;
-    } else if (time == QAbstractFileEngine::ModificationTime) {
-        tv[1].tv_sec = msecs / 1000;
-        tv[1].tv_usec = (msecs % 1000) * 1000;
-    }
-
-#if QT_CONFIG(futimes)
-    if (futimes(d->nativeHandle(), tv) == -1) {
-#else
-    if (futimesat(d->nativeHandle(), NULL, tv) == -1) {
-#endif
-        setError(QFile::PermissionsError, qt_error_string());
+    QSystemError error;
+    if (!QFileSystemEngine::setFileTime(d->nativeHandle(), newDate, time, error)) {
+        setError(QFile::PermissionsError, error.toString());
         return false;
     }
 
     d->metaData.clearFlags(QFileSystemMetaData::Times);
-
     return true;
-#else
-    setError(QFile::UnspecifiedError, qt_error_string(ENOSYS));
-    return false;
-#endif
 }
 
 uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags)
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp
index 023354fd8f..50a8a0e55a 100644
--- a/src/corelib/io/qfsfileengine_win.cpp
+++ b/src/corelib/io/qfsfileengine_win.cpp
@@ -80,39 +80,6 @@ static inline bool isUncPath(const QString &path)
             && path.size() > 2 && path.at(2) != QLatin1Char('.'));
 }
 
-static inline void QDateTimeToSystemTime(const QDateTime &date, SYSTEMTIME *systemTime)
-{
-    const QDate d = date.date();
-    const QTime t = date.time();
-
-    systemTime->wYear = d.year();
-    systemTime->wMonth = d.month();
-    systemTime->wDay = d.day();
-    systemTime->wHour = t.hour();
-    systemTime->wMinute = t.minute();
-    systemTime->wSecond = t.second();
-    systemTime->wMilliseconds = t.msec();
-    systemTime->wDayOfWeek = d.dayOfWeek() % 7;
-}
-
-static inline bool QDateTimeToFileTime(const QDateTime &date, FILETIME *fileTime)
-{
-    SYSTEMTIME sTime;
-
-#if defined(Q_OS_WINCE)
-    QDateTimeToSystemTime(date, &sTime);
-#else
-    SYSTEMTIME lTime;
-
-    QDateTimeToSystemTime(date, &lTime);
-
-    if (!::TzSpecificLocalTimeToSystemTime(0, &lTime, &sTime))
-        return false;
-#endif
-
-    return ::SystemTimeToFileTime(&sTime, fileTime);
-}
-
 /*!
     \internal
 */
@@ -903,52 +870,25 @@ bool QFSFileEngine::setFileTime(const QDateTime &newDate, FileTime time)
     }
 
     HANDLE handle = d->fileHandle;
-
-#ifndef Q_OS_WINCE
     if (handle == INVALID_HANDLE_VALUE) {
         if (d->fh)
             handle = reinterpret_cast<HANDLE>(::_get_osfhandle(QT_FILENO(d->fh)));
         else if (d->fd != -1)
             handle = reinterpret_cast<HANDLE>(::_get_osfhandle(d->fd));
     }
-#endif
 
     if (handle == INVALID_HANDLE_VALUE) {
         setError(QFile::PermissionsError, qt_error_string(ERROR_ACCESS_DENIED));
         return false;
     }
 
-    FILETIME fTime;
-    FILETIME *pLastWrite = NULL;
-    FILETIME *pLastAccess = NULL;
-    FILETIME *pCreationTime = NULL;
-
-    switch (time) {
-    case QAbstractFileEngine::ModificationTime:
-        pLastWrite = &fTime;
-        break;
-
-    case QAbstractFileEngine::AccessTime:
-        pLastAccess = &fTime;
-        break;
-
-    case QAbstractFileEngine::CreationTime:
-        pCreationTime = &fTime;
-        break;
-    }
-
-    if (!QDateTimeToFileTime(newDate, &fTime)) {
-        setError(QFile::UnspecifiedError, qt_error_string());
-        return false;
-    }
-
-    if (!::SetFileTime(handle, pCreationTime, pLastAccess, pLastWrite)) {
-        setError(QFile::PermissionsError, qt_error_string());
+    QSystemError error;
+    if (!QFileSystemEngine::setFileTime(handle, newDate, time, error)) {
+        setError(QFile::PermissionsError, error.toString());
         return false;
     }
 
     d->metaData.clearFlags(QFileSystemMetaData::Times);
-
     return true;
 }