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

Set the put position relative to the specified base and return it.

== Synopsis

Declared in `<bdlsb_overflowmemoutstreambuf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
pos_type
seekoff(
    off_type offset,
    std::ios_base::seekdir way,
    std::ios_base::openmode which = bsl::ios_base::in | bsl::ios_base::out) override;
----

== Description

Set the position indicator to the relative specified `offset` from the base position indicated by the specified `way` and return the resulting absolute position on success or pos_type(‐1) on failure. Optionally specify `which` area of the stream buffer. The seek operation will fail if `which` does not include the flag `bsl::ios_base::out` or if the resulting absolute position is negative.

== Return Value

resulting absolute position, or `pos_type(‐1)` on failure

== Parameters

[cols="1,4"]
|===
| Name| Description
| *offset*
| relative offset from the base position
| *way*
| base position for the seek (`beg`, `cur`, or `end`)
| *which*
| area of the stream buffer to seek (must include `out`)
|===


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