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<html>
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<title>GUuid: GLib Reference Manual</title>
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Top  | 
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                  Description
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Home
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GUuid
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GUuid — a universally unique identifier
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Functions
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gboolean
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g_uuid_string_is_valid ()
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gchar *
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g_uuid_string_random ()
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Includes
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#include <glib.h>
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#include <glib/gi18n.h>
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Description
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A UUID, or Universally unique identifier, is intended to uniquely
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identify information in a distributed environment. For the
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definition of UUID, see RFC 4122.
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The creation of UUIDs does not require a centralized authority.
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UUIDs are of relatively small size (128 bits, or 16 bytes). The
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common string representation (ex:
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1d6c0810-2bd6-45f3-9890-0268422a6f14) needs 37 bytes.
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The UUID specification defines 5 versions, and calling
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g_uuid_string_random() will generate a unique (or rather random)
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UUID of the most common version, version 4.
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Functions
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g_uuid_string_is_valid ()
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gboolean
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g_uuid_string_is_valid (const gchar *str);
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Parses the string str
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 and verify if it is a UUID.
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The function accepts the following syntax:
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  • simple forms (e.g. f81d4fae-7dec-11d0-a765-00a0c91e6bf6)
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Note that hyphens are required within the UUID string itself,
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as per the aforementioned RFC.
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Parameters
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str
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a string representing a UUID
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Returns
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 TRUE if str
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is a valid UUID, FALSE otherwise.
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Since: 2.52
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g_uuid_string_random ()
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gchar *
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g_uuid_string_random (void);
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Generates a random UUID (RFC 4122 version 4) as a string.
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Returns
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A string that should be freed with g_free().
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[transfer full]
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Since: 2.52
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Types and Values
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