diff options
Diffstat (limited to 'src/corelib/tools/qringbuffer_p.h')
-rw-r--r-- | src/corelib/tools/qringbuffer_p.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/corelib/tools/qringbuffer_p.h b/src/corelib/tools/qringbuffer_p.h index 2279f1bc2a..27d0791bd2 100644 --- a/src/corelib/tools/qringbuffer_p.h +++ b/src/corelib/tools/qringbuffer_p.h @@ -175,10 +175,14 @@ public: inline void ungetChar(char c) { --head; if (head < 0) { - buffers.prepend(QByteArray()); + if (bufferSize != 0) { + buffers.prepend(QByteArray()); + ++tailBuffer; + } else { + tail = basicBlockSize; + } buffers.first().resize(basicBlockSize); head = basicBlockSize - 1; - ++tailBuffer; } buffers.first()[head] = c; ++bufferSize; |