diff options
Diffstat (limited to 'src/corelib/io/qiodevice.cpp')
| -rw-r--r-- | src/corelib/io/qiodevice.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp index 95a5fb27cf..86e21f0a66 100644 --- a/src/corelib/io/qiodevice.cpp +++ b/src/corelib/io/qiodevice.cpp @@ -312,8 +312,9 @@ QIODevicePrivate::~QIODevicePrivate() \value NotOpen The device is not open. \value ReadOnly The device is open for reading. - \value WriteOnly The device is open for writing. Note that this mode implies - Truncate. + \value WriteOnly The device is open for writing. Note that, for file-system + subclasses (e.g. QFile), this mode implies Truncate unless + combined with ReadOnly, Append or NewOnly. \value ReadWrite The device is open for reading and writing. \value Append The device is opened in append mode so that all data is written to the end of the file. @@ -332,7 +333,7 @@ QIODevicePrivate::~QIODevicePrivate() allowed. This flag currently only affects QFile. Other classes might use this flag in the future, but until then using this flag with any classes other than QFile may - result in undefined behavior. + result in undefined behavior. (since Qt 5.11) \value ExistingOnly Fail if the file to be opened does not exist. This flag must be specified alongside ReadOnly, WriteOnly, or ReadWrite. Note that using this flag with ReadOnly alone @@ -340,7 +341,7 @@ QIODevicePrivate::~QIODevicePrivate() not exist. This flag currently only affects QFile. Other classes might use this flag in the future, but until then using this flag with any classes other than QFile may - result in undefined behavior. + result in undefined behavior. (since Qt 5.11) Certain flags, such as \c Unbuffered and \c Truncate, are meaningless when used with some subclasses. Some of these |