[#BloombergLP-bdlbb-Blob-trimLastDataBuffer]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlbb.adoc[bdlbb]::xref:BloombergLP/bdlbb/Blob.adoc[Blob]::trimLastDataBuffer
:relfileprefix: ../../../
:mrdocs:

Set the size of the last data buffer to `lastDataBufferLength()`. If there are no data buffers, or if the last data buffer is full (i.e., its size is `lastDataBufferLength()`), then this method has no effect. Return the leftover of the trimmed buffer or default constructed `BlobBuffer` if nothing to trim. Note that the length of the blob is unchanged, and that capacity buffers (i.e., of indices `numDataBuffers()` and higher) are _not_ removed.

== Synopsis

Declared in `<bdlbb_blob.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BloombergLP/bdlbb/BlobBuffer.adoc[BlobBuffer]
trimLastDataBuffer();
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