table of contents
std::basic_streambuf::pubsync,std::basic_streambuf::sync(3) | C++ Standard Libary | std::basic_streambuf::pubsync,std::basic_streambuf::sync(3) |
NAME¶
std::basic_streambuf::pubsync,std::basic_streambuf::sync - std::basic_streambuf::pubsync,std::basic_streambuf::sync
Synopsis¶
int pubsync(); (1)
protected: (2)
virtual int sync();
Synchronizes the controlled character sequence (the buffers) with the
associated
character sequence.
1) Calls sync() of the most derived class
2) The base class version of this function has no effect. The derived classes
may
override this function to allow synchronizing the underlying device with the
buffers.
For output streams, this typically results in writing the contents of the put
area
into the associated sequence, i.e. flushing of the output buffer. For input
streams,
this typically empties the get area and forces a re-read from the associated
sequence to pick up recent changes. The default behavior (found, for example,
in
std::basic_stringbuf), is to do nothing.
Parameters¶
(none)
Return value¶
1) The return value of sync().
2) Returns 0 on success, -1 otherwise. The base class version returns 0.
Example¶
This section is incomplete
Reason: no example
See also¶
sync synchronizes with the underlying storage device
(public member function of std::basic_istream<CharT,Traits>)
sync writes characters to the associated file from the put area
[virtual] (virtual protected member function of
std::basic_filebuf<CharT,Traits>)
Category:¶
* Todo no example
2024.06.10 | http://cppreference.com |