[#BloombergLP-bdlb-GuidUtil]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::GuidUtil
:relfileprefix: ../../
:mrdocs:

This `struct` provides a namespace for functions that create Universally Unique Identifiers per RFC 4122 (http://www.ietf.org/rfc/rfc4122.txt).

== Synopsis

Declared in `<bdlb_guidutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct GuidUtil;
----

== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/GuidUtil/dnsNamespace.adoc[`dnsNamespace`] 
| Return the RFC 4122 pre‐defined DNS namespace ID.
| xref:BloombergLP/bdlb/GuidUtil/generate-07.adoc[`generate`] 
| `generate` overloads
| xref:BloombergLP/bdlb/GuidUtil/generateFromName.adoc[`generateFromName`] 
| Return an RFC 4122 version 5 GUID derived from a namespace and name.
| xref:BloombergLP/bdlb/GuidUtil/generateNonSecure-0e.adoc[`generateNonSecure`] 
| `generateNonSecure` overloads
| xref:BloombergLP/bdlb/GuidUtil/getLeastSignificantBits.adoc[`getLeastSignificantBits`] 
| Return the least significant 8 bytes of the specified `guid`.
| xref:BloombergLP/bdlb/GuidUtil/getMostSignificantBits.adoc[`getMostSignificantBits`] 
| Return the most significant 8 bytes of the specified `guid`.
| xref:BloombergLP/bdlb/GuidUtil/getVersion.adoc[`getVersion`] 
| Return the version of the specified `guid` object. The behavior is undefined unless the contents of the `guid` object are compliant with RFC 4122.
| xref:BloombergLP/bdlb/GuidUtil/guidFromString-0d.adoc[`guidFromString`] 
| `guidFromString` overloads
| xref:BloombergLP/bdlb/GuidUtil/guidToString-02.adoc[`guidToString`] 
| `guidToString` overloads
| xref:BloombergLP/bdlb/GuidUtil/oidNamespace.adoc[`oidNamespace`] 
| Return the RFC 4122 pre‐defined OID namespace ID.
| xref:BloombergLP/bdlb/GuidUtil/urlNamespace.adoc[`urlNamespace`] 
| Return the RFC 4122 pre‐defined URL namespace ID.
| xref:BloombergLP/bdlb/GuidUtil/x500Namespace.adoc[`x500Namespace`] 
| Return the RFC 4122 pre‐defined X500 namespace ID.
|===



[.small]#Created with https://www.mrdocs.com[MrDocs]#