[#BloombergLP-bsls-AlignmentUtil-calculateAlignmentOffset]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/AlignmentUtil.adoc[AlignmentUtil]::calculateAlignmentOffset
:relfileprefix: ../../../
:mrdocs:

Return the minimum non‐negative integer that, when added to the numerical value of the specified `address`, yields the specified `alignment`. The behavior is undefined unless `alignment` is a positive, integral power of 2.

== Synopsis

Declared in `<bsls_alignmentutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
calculateAlignmentOffset(
    void const* address,
    int alignment);
----


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