Attempt to write characters; always fails in this input-only wrapper.
Declared in <bdlde_utf8checkinginstreambufwrapper.h>
virtual
std::streamsize
xsputn(
char const* buffer,
std::streamsize numBytes) override;
Output function, not supported in this input-only implementation; stubbed out, arguments ignored, returns 0. Note that this function is forwarded to by sputn in the base class.
0 (output is not supported)
| Name | Description |
|---|---|
| buffer | unused output buffer (ignored) |
| numBytes | unused count of characters to write (ignored) |