[#BloombergLP-bdlbb-Blob-2constructor-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlbb.adoc[bdlbb]::xref:BloombergLP/bdlbb/Blob.adoc[Blob]::Blob
:relfileprefix: ../../../
:mrdocs:

Create a blob that holds the same buffers as `original`, with no factory.

== Synopsis

Declared in `<bdlbb_blob.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Blob(
    xref:BloombergLP/bdlbb/Blob.adoc[Blob] const& original,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

== Description

Create a blob that holds the same buffers as the specified `original` blob, and has no factory to allocate blob buffers. Since there is no factory, the behavior is undefined if the length of the blob is set beyond the total size. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *original*
| blob whose buffers are shared
| *basicAllocator*
| allocator used to supply memory
|===


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