diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/corelib/io/qiodevice.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp index 3e3ee6e406..66274e8115 100644 --- a/src/corelib/io/qiodevice.cpp +++ b/src/corelib/io/qiodevice.cpp @@ -1320,12 +1320,17 @@ QByteArray QIODevice::readAll() newline will not be inserted into the buffer. On windows newline characters are replaced with '\\n'. + Note that on sequential devices, data may not be immediately available, + which may result in a partial line being returned. By calling the + canReadLine() function before reading, you can check whether a complete + line (including the newline character) can be read. + This function calls readLineData(), which is implemented using repeated calls to getChar(). You can provide a more efficient implementation by reimplementing readLineData() in your own subclass. - \sa getChar(), read(), write() + \sa getChar(), read(), canReadLine(), write() */ qint64 QIODevice::readLine(char *data, qint64 maxSize) { |