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| author | Alex Trotsenko <alex1973tr@gmail.com> | 2014-08-27 16:43:52 +0300 |
|---|---|---|
| committer | Alex Trotsenko <alex1973tr@gmail.com> | 2014-11-26 07:21:14 +0100 |
| commit | ae9ee18cad4e9485ad53ac41916d7e2e77c3cbd1 (patch) | |
| tree | 922b5db111fa81e01555d96eefd60ead3e25f111 /src/corelib/tools/qringbuffer_p.h | |
| parent | 13b139d0283a866dcf73bcca9405f5348a627954 (diff) | |
QRingBuffer: optimize memory usage
QByteArray resizing behavior is to preallocate a certain amount
of memory for future growth. Make QRingBuffer aware of the extra
capacity in QByteArray.
Change-Id: I68310d5783fbc32e4fd5075ed3269ce6b7128a92
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/corelib/tools/qringbuffer_p.h')
| -rw-r--r-- | src/corelib/tools/qringbuffer_p.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/tools/qringbuffer_p.h b/src/corelib/tools/qringbuffer_p.h index 27d0791bd2..8fe56323a3 100644 --- a/src/corelib/tools/qringbuffer_p.h +++ b/src/corelib/tools/qringbuffer_p.h @@ -113,7 +113,7 @@ public: // if need buffer reallocation if (tail + bytes > buffers.last().size()) { - if (tail >= basicBlockSize) { + if (tail + bytes > buffers.last().capacity() && tail >= basicBlockSize) { // shrink this buffer to its current size buffers.last().resize(tail); |