[#BloombergLP-bdldfp-DecimalConvertUtil-decimal64FromMultiWidthEncodingIfValid]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::xref:BloombergLP/bdldfp/DecimalConvertUtil.adoc[DecimalConvertUtil]::decimal64FromMultiWidthEncodingIfValid
:relfileprefix: ../../../
:mrdocs:

Decode a decimal value in the _multi‐width encoding_ format from the specified `buffer` having the specified `size` and store the result into the specified `decimal` parameter. Return 0 on success, and non‐zero value otherwise. The behavior is undefined unless `buffer` has at least `size` bytes. Note that this function returns a non‐zero value and leaves `decimal` unchanged if `size` is not a valid encoding size of the _multi‐width encoding_ format.

== Synopsis

Declared in `<bdldfp_decimalconvertutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
decimal64FromMultiWidthEncodingIfValid(
    xref:BloombergLP/bdldfp/Decimal64.adoc[Decimal64]* decimal,
    unsigned char const* buffer,
    xref:BloombergLP/bsls/Types/size_type.adoc[bsls::Types::size_type] size);
----


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