[#BloombergLP-bslh-SpookyHashAlgorithmImp-update]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslh.adoc[bslh]::xref:BloombergLP/bslh/SpookyHashAlgorithmImp.adoc[SpookyHashAlgorithmImp]::update
:relfileprefix: ../../../
:mrdocs:

Accumulate the specified `length` bytes of `message` into the internal state of the algorithm. Accumulating bytes through `Update` will produce the same result as hashing them all at once through the `HashXX` static methods. The behavior is undefined unless `message` points at least `length` bytes of initialized memory or `length` is zero.

== Synopsis

Declared in `<bslh_spookyhashalgorithmimp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
update(
    void const* message,
    size_t length);
----


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