[#BloombergLP-bdlsb-FixedMemOutStreamBuf]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlsb.adoc[bdlsb]::FixedMemOutStreamBuf
:relfileprefix: ../../
:mrdocs:

This class implements the output functionality of the `basic_streambuf` protocol for client‐supplied memory.

== Synopsis

Declared in `<bdlsb_fixedmemoutstreambuf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class FixedMemOutStreamBuf
    : public std::streambuf
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `std::streambuf`
| 
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlsb/FixedMemOutStreamBuf/2constructor.adoc[`FixedMemOutStreamBuf`]         [.small]#[constructor]#
| Create a stream buffer that writes into a client‐supplied buffer.
| xref:BloombergLP/bdlsb/FixedMemOutStreamBuf/2destructor.adoc[`~FixedMemOutStreamBuf`] [.small]#[destructor]# [.small]#[virtual]#
| Destroy this stream buffer.
| xref:BloombergLP/bdlsb/FixedMemOutStreamBuf/capacity.adoc[`capacity`] 
| Return the number of characters in the buffer held by this stream buffer. See `length`, below, for the span of bytes actually written.
| xref:BloombergLP/bdlsb/FixedMemOutStreamBuf/data-05.adoc[`data`] 
| Return a pointer providing modifiable access to the character buffer held by this stream buffer (supplied at construction).
| xref:BloombergLP/bdlsb/FixedMemOutStreamBuf/data-06.adoc[`data`] 
| Return a pointer providing non‐modifiable access to the character buffer held by this stream buffer (supplied at construction).
| xref:BloombergLP/bdlsb/FixedMemOutStreamBuf/length.adoc[`length`] 
| Return the number of characters written to this stream buffer.
|===


== Protected Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlsb/FixedMemOutStreamBuf/seekoff.adoc[`seekoff`]  [.small]#[virtual]#
| Set the put position relative to a fixed base position.
| xref:BloombergLP/bdlsb/FixedMemOutStreamBuf/seekpos.adoc[`seekpos`]  [.small]#[virtual]#
| Set the put position to an absolute position.
| xref:BloombergLP/bdlsb/FixedMemOutStreamBuf/setbuf.adoc[`setbuf`]  [.small]#[virtual]#
| Reinitialize this stream buffer with a new character buffer.
|===



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