diff options
| -rw-r--r-- | apt-pkg/contrib/fileutl.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index d95748aa6..8c50874dc 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -1260,6 +1260,12 @@ public: } virtual ssize_t InternalWrite(void const * const From, unsigned long long const Size) override { + // Optimisation: If the buffer is empty and we have more to write than + // would fit in the buffer (or equal number of bytes), write directly. + if (writebuffer.empty() == true && Size >= writebuffer.free()) + return wrapped->InternalWrite(From, Size); + + // Write as much into the buffer as possible and then flush if needed auto written = writebuffer.write(From, Size); if (writebuffer.full() && InternalFlush() == false) |