diff options
| -rw-r--r-- | src/corelib/io/qiodevice.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp index c739054..efa4b25 100644 --- a/src/corelib/io/qiodevice.cpp +++ b/src/corelib/io/qiodevice.cpp @@ -945,9 +945,9 @@ QByteArray QIODevice::readAll() QByteArray tmp; if (d->isSequential() || size() == 0) { - // Read it in chunks, bytesAvailable() is unreliable for sequential - // devices. - const int chunkSize = 4096; + // Read it in chunks. Use bytesAvailable() as an unreliable hint for + // sequential devices, but try to read 4K as a minimum. + int chunkSize = qMax(qint64(4096), bytesAvailable()); qint64 totalRead = 0; forever { tmp.resize(tmp.size() + chunkSize); @@ -956,6 +956,7 @@ QByteArray QIODevice::readAll() if (readBytes <= 0) return tmp; totalRead += readBytes; + chunkSize = qMax(qint64(4096), bytesAvailable()); } } else { // Read it all in one go. |