[#BloombergLP-bdlma-BufferManager-calculateAlignmentOffsetFromSize]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlma.adoc[bdlma]::xref:BloombergLP/bdlma/BufferManager.adoc[BufferManager]::calculateAlignmentOffsetFromSize
:relfileprefix: ../../../
:mrdocs:

Return the minimum non‐negative integer that, when added to the numerical value of the specified `address`, yields the alignment as per the `alignmentStrategy` provided at construction for an allocation of the specified `size`. Note that if `0 == size` and natural alignment was provided at construction, the result of this method is identical to the result for `0 == size` and maximal alignment.

== Synopsis

Declared in `<bdlma_buffermanager.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
calculateAlignmentOffsetFromSize(
    void const* address,
    xref:BloombergLP/bsls/Types/size_type.adoc[bsls::Types::size_type] size) const;
----


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