[#BloombergLP-bdlsb-OverflowMemOutStreamBuf-2constructor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlsb.adoc[bdlsb]::xref:BloombergLP/bdlsb/OverflowMemOutStreamBuf.adoc[OverflowMemOutStreamBuf]::OverflowMemOutStreamBuf
:relfileprefix: ../../../
:mrdocs:

Create an empty stream buffer that uses the specified `buffer` as an initial output buffer of the specified `size` (in bytes). Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently‐installed default allocator is used. The behavior is undefined unless `buffer` points to a valid sequence of positive `size` characters. Note that this stream buffer does not assume ownership of `buffer`.

== Synopsis

Declared in `<bdlsb_overflowmemoutstreambuf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
OverflowMemOutStreamBuf(
    char* buffer,
    std::size_t size,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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