1 files changed, 220 insertions, 0 deletions
diff --git a/src/corelib/kernel/qsystemerror.cpp b/src/corelib/kernel/qsystemerror.cpp
new file mode 100644
index 0000000000..18622c7a08
--- /dev/null
+++ b/src/corelib/kernel/qsystemerror.cpp
@@ -0,0 +1,220 @@
+/****************************************************************************
+**
+** 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 <qglobal.h>
+#include "qsystemerror_p.h"
+#if !defined(Q_OS_WINCE)
+#  include <errno.h>
+#  if defined(Q_CC_MSVC)
+#    include <crtdbg.h>
+#  endif
+#endif
+#ifdef Q_OS_WIN
+#include <windows.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#if !defined(Q_OS_WIN) && !defined(QT_NO_THREAD) && !defined(Q_OS_INTEGRITY) && !defined(Q_OS_QNX) && \
+    defined(_POSIX_THREAD_SAFE_FUNCTIONS) && _POSIX_VERSION >= 200112L
+namespace {
+    // There are two incompatible versions of strerror_r:
+    // a) the XSI/POSIX.1 version, which returns an int,
+    //    indicating success or not
+    // b) the GNU version, which returns a char*, which may or may not
+    //    be the beginning of the buffer we used
+    // The GNU libc manpage for strerror_r says you should use the the XSI
+    // version in portable code. However, it's impossible to do that if
+    // _GNU_SOURCE is defined so we use C++ overloading to decide what to do
+    // depending on the return type
+    static inline QString fromstrerror_helper(int, const QByteArray &buf)
+    {
+        return QString::fromLocal8Bit(buf);
+    }
+    static inline QString fromstrerror_helper(const char *str, const QByteArray &)
+    {
+        return QString::fromLocal8Bit(str);
+    }
+}
+#endif
+
+static QString standardLibraryErrorString(int errorCode)
+{
+    const char *s = 0;
+    QString ret;
+    switch (errorCode) {
+    case 0:
+        break;
+    case EACCES:
+        s = QT_TRANSLATE_NOOP("QIODevice", "Permission denied");
+        break;
+    case EMFILE:
+        s = QT_TRANSLATE_NOOP("QIODevice", "Too many open files");
+        break;
+    case ENOENT:
+        s = QT_TRANSLATE_NOOP("QIODevice", "No such file or directory");
+        break;
+    case ENOSPC:
+        s = QT_TRANSLATE_NOOP("QIODevice", "No space left on device");
+        break;
+    default: {
+    #if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && _POSIX_VERSION >= 200112L && !defined(Q_OS_INTEGRITY) && !defined(Q_OS_QNX)
+        QByteArray buf(1024, '\0');
+        ret = fromstrerror_helper(strerror_r(errorCode, buf.data(), buf.size()), buf);
+    #else
+        ret = QString::fromLocal8Bit(strerror(errorCode));
+    #endif
+    break; }
+    }
+    if (s) {
+        // ######## this breaks moc build currently
+        // ret = QCoreApplication::translate("QIODevice", s);
+        ret = QString::fromLatin1(s);
+    }
+    return ret.trimmed();
+}
+
+#ifdef Q_OS_WIN
+static QString windowsErrorString(int errorCode)
+{
+    QString ret;
+    wchar_t *string = 0;
+    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
+                  NULL,
+                  errorCode,
+                  MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+                  (LPWSTR)&string,
+                  0,
+                  NULL);
+    ret = QString::fromWCharArray(string);
+    LocalFree((HLOCAL)string);
+
+    if (ret.isEmpty() && errorCode == ERROR_MOD_NOT_FOUND)
+        ret = QString::fromLatin1("The specified module could not be found.");
+    return ret;
+}
+#endif
+
+#ifdef Q_OS_SYMBIAN
+static QString symbianErrorString(int errorCode)
+{
+    switch (errorCode) {
+    case KErrNotFound:
+        return QLatin1String("not found");
+    case KErrCancel:
+        return QLatin1String("cancelled");
+    case KErrNoMemory:
+        return QLatin1String("out of memory");
+    case KErrNotSupported:
+        return QLatin1String("not supported");
+    case KErrBadHandle:
+        return QLatin1String("bad handle"); //KERN-EXEC 0 panic is more likely
+    case KErrAlreadyExists:
+        return QLatin1String("already exists");
+    case KErrPathNotFound:
+        return QLatin1String("path not found");
+    case KErrInUse:
+        return QLatin1String("in use");
+    case KErrNotReady:
+        return QLatin1String("not ready (e.g. FS dismounted, network down)");
+    case KErrCorrupt:
+        return QLatin1String("corrupt");
+    case KErrAccessDenied:
+        return QLatin1String("access denied");
+    case KErrLocked:
+        return QLatin1String("locked");
+    case KErrWrite:
+        return QLatin1String("incomplete write error");
+    case KErrDisMounted:
+        return QLatin1String("file system dismounted during operation"); //i.e. a forcible dismount was done while we had files open
+    case KErrEof:
+        return QLatin1String("end of file");
+    case KErrDiskFull:
+        return QLatin1String("no space in file system");
+    case KErrBadName:
+        return QLatin1String("invalid filename");
+    case KErrTimedOut:
+        return QLatin1String("timed out");
+    case KErrBadDescriptor:
+        return QLatin1String("bad descriptor (passed address on stack to async call?)");
+    case KErrAbort:
+        return QLatin1String("aborted");
+    case KErrTooBig:
+        return QLatin1String("too big"); //e.g. trying to open a >2GB file with 32 bit API
+    case KErrBadPower:
+        return QLatin1String("insufficient power");
+    case KErrDirFull:
+        return QLatin1String("no space in directory table");
+    case KErrHardwareNotAvailable:
+        return QLatin1String("hardware not available");
+    case KErrSessionClosed:
+        return QLatin1String("session closed");
+    case KErrPermissionDenied:
+        return QLatin1String("permission denied");
+    default:
+        return QString(QLatin1String("symbian error %1")).arg(errorCode);
+    }    
+}
+#endif
+
+QString QSystemError::toString()
+{
+    switch(errorScope) {
+    case NativeError:
+#if defined (Q_OS_WIN)
+        return windowsErrorString(errorCode);
+#elif defined (Q_OS_SYMBIAN)
+        return symbianErrorString(errorCode);
+#else
+        //unix: fall through as native and standard library are the same
+#endif
+    case StandardLibraryError:
+        return standardLibraryErrorString(errorCode);
+    default:
+        qWarning("invalid error scope");
+        //fall through
+    case NoError:
+        return QLatin1String("No error");
+    }
+}
+
+QT_END_NAMESPACE
+