diff options
Diffstat (limited to 'src/corelib/io/qiodevice.cpp')
| -rw-r--r-- | src/corelib/io/qiodevice.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp index 26e587d..8544fba 100644 --- a/src/corelib/io/qiodevice.cpp +++ b/src/corelib/io/qiodevice.cpp @@ -1633,6 +1633,12 @@ QString QIODevice::errorString() const This function is called by QIODevice. Reimplement this function when creating a subclass of QIODevice. + When reimplementing this function it is important that this function + reads all the required data before returning. This is required in order + for QDataStream to be able to operate on the class. QDataStream assumes + all the requested information was read and therefore does not retry reading + if there was a problem. + \sa read() readLine() writeData() */ @@ -1645,6 +1651,12 @@ QString QIODevice::errorString() const This function is called by QIODevice. Reimplement this function when creating a subclass of QIODevice. + When reimplementing this function it is important that this function + writes all the data available before returning. This is required in order + for QDataStream to be able to operate on the class. QDataStream assumes + all the information was written and therefore does not retry writing if + there was a problem. + \sa read() write() */ |