2 files changed, 26 insertions, 0 deletions
diff --git a/src/corelib/tools/qringbuffer.cpp b/src/corelib/tools/qringbuffer.cpp
index 09b0336145..d46dcdffdf 100644
--- a/src/corelib/tools/qringbuffer.cpp
+++ b/src/corelib/tools/qringbuffer.cpp
@@ -363,6 +363,21 @@ void QRingBuffer::append(const QByteArray &qba)
     bufferSize += qba.size();
 }
 
+/*!
+    \internal
+
+    Append a new buffer to the end
+*/
+void QRingBuffer::append(QByteArray &&qba)
+{
+    const auto qbaSize = qba.size();
+    if (bufferSize != 0 || buffers.isEmpty())
+        buffers.emplace_back(std::move(qba));
+    else
+        buffers.last().assign(std::move(qba));
+    bufferSize += qbaSize;
+}
+
 qint64 QRingBuffer::readLine(char *data, qint64 maxLength)
 {
     Q_ASSERT(data != nullptr && maxLength > 1);
diff --git a/src/corelib/tools/qringbuffer_p.h b/src/corelib/tools/qringbuffer_p.h
index 65952f8ac7..0f5ce04c83 100644
--- a/src/corelib/tools/qringbuffer_p.h
+++ b/src/corelib/tools/qringbuffer_p.h
@@ -81,6 +81,10 @@ public:
         chunk(qba), headOffset(0), tailOffset(qba.size())
     {
     }
+    explicit QRingChunk(QByteArray &&qba) noexcept :
+        chunk(std::move(qba)), headOffset(0), tailOffset(chunk.size())
+    {
+    }
 
     inline QRingChunk &operator=(const QRingChunk &other) noexcept
     {
@@ -161,6 +165,12 @@ public:
         headOffset = 0;
         tailOffset = qba.size();
     }
+    void assign(QByteArray &&qba)
+    {
+        chunk = std::move(qba);
+        headOffset = 0;
+        tailOffset = chunk.size();
+    }
     inline void reset()
     {
         headOffset = tailOffset = 0;
@@ -248,6 +258,7 @@ public:
     Q_CORE_EXPORT qint64 peek(char *data, qint64 maxLength, qint64 pos = 0) const;
     Q_CORE_EXPORT void append(const char *data, qint64 size);
     Q_CORE_EXPORT void append(const QByteArray &qba);
+    Q_CORE_EXPORT void append(QByteArray &&qba);
 
     inline qint64 skip(qint64 length) {
         qint64 bytesToSkip = qMin(length, bufferSize);