1 files changed, 13 insertions, 4 deletions
diff --git a/src/plugins/tracing/qctflib.cpp b/src/plugins/tracing/qctflib.cpp
index 367ee3c3c8e..ec1b22f2120 100644
--- a/src/plugins/tracing/qctflib.cpp
+++ b/src/plugins/tracing/qctflib.cpp
@@ -38,6 +38,15 @@ static QByteArray &operator<<(QByteArray &arr, T val)
     return arr;
 }
 
+static FILE *openFile(const QString &filename, const QString &mode)
+{
+#ifdef Q_OS_WINDOWS
+    return _wfopen(qUtf16Printable(filename), qUtf16Printable(mode));
+#else
+    return fopen(qPrintable(filename), qPrintable(mode));
+#endif
+}
+
 QCtfLibImpl *QCtfLibImpl::s_instance = nullptr;
 
 QCtfLib *QCtfLibImpl::instance()
@@ -68,7 +77,7 @@ QCtfLibImpl::QCtfLibImpl()
     }
 
     const QString filename = location + QStringLiteral("/session.json");
-    FILE *file = fopen(qPrintable(filename), "rb");
+    FILE *file = openFile(qPrintable(filename), "rb"_L1);
     if (!file) {
         qCWarning(lcDebugTrace) << "unable to open session file: "
                                 << filename << ", " << qt_error_string();
@@ -134,7 +143,7 @@ QCtfLibImpl::QCtfLibImpl()
 void QCtfLibImpl::writeMetadata(const QString &metadata, bool overwrite)
 {
     FILE *file = nullptr;
-    file = fopen(qPrintable(m_location + "/metadata"_L1), overwrite ? "w+b": "ab");
+    file = openFile(qPrintable(m_location + "/metadata"_L1), overwrite ? "w+b"_L1: "ab"_L1);
     if (!file)
         return;
 
@@ -150,7 +159,7 @@ void QCtfLibImpl::writeMetadata(const QString &metadata, bool overwrite)
 void QCtfLibImpl::writeCtfPacket(QCtfLibImpl::Channel &ch)
 {
     FILE *file = nullptr;
-    file = fopen(ch.channelName, "ab");
+    file = openFile(ch.channelName, "ab"_L1);
     if (file) {
         /*  Each packet contains header and context, which are defined in the metadata.txt */
         QByteArray packet;
@@ -273,7 +282,7 @@ void QCtfLibImpl::doTracepoint(const QCtfTracePointEvent &point, const QByteArra
         m_threadIndices.insert(thread, m_threadIndices.size());
         sprintf(ch.channelName, "%s/channel_%d", qPrintable(m_location), m_threadIndices[thread]);
         FILE *f = nullptr;
-        f = fopen(ch.channelName, "wb");
+        f = openFile(ch.channelName, "wb"_L1);
         if (f)
             fclose(f);
         ch.minTimestamp = ch.maxTimestamp = timestamp;