uuid-lib

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Documentation

Wrapper for uuid/uuid.h procedures on MacOS X, and Linux.

Predicates

uuid?

uuid? UUIDprocedure: Is UUID a uuid?

uuid-null?

uuid-null? UUIDprocedure: Is UUID the null uuid?

uuid-compare

uuid-compare UUID1 UUID2procedure: Returns -1, 0. or 1 for the comaprison of UUID1 and UUID2.

uuid=?

uuid=? UUID1 UUID2procedure: Are UUID1 and UUID2 equal?

uuid<?

uuid<? UUID1 UUID2procedure: Does UUID1 order below UUID2?

uuid>?

uuid>? UUID1 UUID2procedure: Does UUID1 order above UUID2?

uuid<=?

uuid<=? UUID1 UUID2procedure: Does UUID1 order below or the same as UUID2?

uuid>=?

uuid>=? UUID1 UUID2procedure: Does UUID1 order above or the same as UUID2?

Operations

uuid-clear!

uuid-clear! UUIDprocedure: Returns the UUID set to the null-uuid.

uuid-copy

uuid-copy UUIDprocedure: Returns a copy of the UUID.

make-uuid

make-uuid #!optional VARIANTprocedure

Returns a new uuid.

VARIANT is:

'V1 or 'time: DCE Version 1 (MAC address) algorithm.
'V4 or 'random: DCE Version 4 (random) algorithm.
#f: The null-uuid. The default.

An invalid MODE is an error condtion.

string->uuid

string->uuid UUID-STRINGprocedure: Returns a new uuid from the external string representation UUID-STRING.

uuid->string

uuid->string UUIDprocedure: Returns the external string representation of UUID.

uuid-generate

uuid-generate #!optional METHODprocedure

Returns a new uuid.

METHOD is:

'random: DCE Version 4 (random) algorithm.
'time: DCE Version 1 (MAC address) algorithm.
#f: DCE V4 if a high-quality random device available, otherwise DCE V1. The default.

An invalid METHOD is an error condtion.

uuid-parse

uuid-parse UUID-TEXTprocedure: Returns a new uuid from the external string representation UUID-TEXT.

uuid-unparse

uuid-unparse UUID #!optional CASEprocedure

Returns the external string representation of UUID.

CASE is #f (the system dependent local default), 'upper, or 'lower. Default is #f.

An invalid CASE is an error condtion.

Usage

(require-extension uuid-lib)

Notes

The uuid?. uuid-null?, uuid-compare, uuid=?, uuid<?, uuid>?, uuid<=?, uuid>=?, make-uuid, uuid-copy, uuid-clear!, string->uuid, uuid->string share the same signature as the corresponding routines in the uuid-ossp extension.
When a UUID argument is not of the expected type the routines will silently fail by returning #f, no matter what the declared return type. This may change in the future.

Version history

1.5.0 ; Add types.
1.4.1: Explicit libuuid for linux.
1.4.0: Added make-uuid, string->uuid, uuid->string. Dropped use of "uuid-lib-c-api.scm" since undocumented. Deprecated uuid<>?.
1.3.0: Exposed uuid-compare.
1.2: Hello.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the Software), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED ASIS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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