There is important information about booting non-ack images in docs/UPDATING. ack/aout-format images can't be built any more, and booting clang/ELF-format ones is a little different. Updating to the new boot monitor is recommended. Changes in this commit: . drop boot monitor -> allowing dropping ack support . facility to copy ELF boot files to /boot so that old boot monitor can still boot fairly easily, see UPDATING . no more ack-format libraries -> single-case libraries . some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases . drop several ack toolchain commands, but not all support commands (e.g. aal is gone but acksize is not yet). . a few libc files moved to netbsd libc dir . new /bin/date as minix date used code in libc/ . test compile fix . harmonize includes . /usr/lib is no longer special: without ack, /usr/lib plays no kind of special bootstrapping role any more and bootstrapping is done exclusively through packages, so releases depend even less on the state of the machine making them now. . rename nbsd_lib* to lib* . reduce mtree
211 lines
6.9 KiB
Groff
211 lines
6.9 KiB
Groff
.\" $NetBSD: uuid.3,v 1.7 2008/05/02 18:11:05 martin Exp $
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.\"
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.\" Copyright (c) 2004 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Jason R. Thorpe.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" Copyright (c) 2002 Marcel Moolenaar
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.\" Copyright (c) 2002 Hiten Mahesh Pandya
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD: src/lib/libc/uuid/uuid.3,v 1.4 2003/08/08 19:12:28 marcel Exp $
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.\"
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.Dd April 22, 2008
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.Dt UUID 3
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.Os
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.Sh NAME
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.Nm uuid_compare , uuid_create , uuid_create_nil , uuid_equal ,
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.Nm uuid_from_string , uuid_hash , uuid_is_nil , uuid_to_string ,
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.Nm uuid_enc_le , uuid_dec_le , uuid_enc_be , uuid_dec_be
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.Nd Universally Unique Identifier routines
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In uuid.h
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.Ft int32_t
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.Fn uuid_compare "const uuid_t *uuid1" "const uuid_t *uuid2" "uint32_t *status"
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.Ft void
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.Fn uuid_create "uuid_t *uuid" "uint32_t *status"
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.Ft void
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.Fn uuid_create_nil "uuid_t *uuid" "uint32_t *status"
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.Ft int32_t
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.Fn uuid_equal "const uuid_t *uuid1" "const uuid_t *uuid2" "uint32_t *status"
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.Ft void
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.Fn uuid_from_string "const char *str" "uuid_t *uuid" "uint32_t *status"
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.Ft uint16_t
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.Fn uuid_hash "const uuid_t *uuid" "uint32_t *status"
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.Ft int32_t
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.Fn uuid_is_nil "const uuid_t *uuid" "uint32_t *status"
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.Ft void
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.Fn uuid_to_string "const uuid_t *uuid" "char **str" "uint32_t *status"
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.Ft void
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.Fn uuid_enc_le "void *buf" "const uuid_t *uuid"
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.Ft void
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.Fn uuid_dec_le "const void *buf" "uuid_t *"
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.Ft void
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.Fn uuid_enc_be "void *buf" "const uuid_t *uuid"
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.Ft void
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.Fn uuid_dec_be "const void *buf" "uuid_t *"
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.Sh DESCRIPTION
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These routines provide for the creation and manipulation of Universally
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Unique Identifiers
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.Pq UUIDs ,
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also referred to as Globally Unique Identifiers
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.Pq GUIDs .
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.Pp
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The
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.Fn uuid_compare
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function compares two UUIDs.
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It returns \-1 if
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.Fa uuid1
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precedes
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.Fa uuid2 ,
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0 if they are equal, or 1 if
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.Fa uuid1
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follows
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.Fa uuid2 .
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.Pp
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The
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.Fn uuid_create
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function creates a new UUID.
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Storage for the new UUID must be pre-allocated by the caller.
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.Pp
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The
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.Fn uuid_create_nil
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function creates a nil-valued UUID.
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Storage for the new UUID must be pre-allocated by the caller.
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.Pp
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The
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.Fn uuid_equal
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function compares two UUIDs to determine if they are equal.
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It returns 1 if they are equal, and 0 if they are not equal.
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.Pp
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The
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.Fn uuid_from_string
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function parses a 36-character string representation of a UUID and
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converts it to binary representation.
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Storage for the UUID must be pre-allocated by the caller.
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.Pp
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The
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.Fn uuid_hash
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function generates a hash value for the specified UUID.
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Note that the hash value is not a cryptographic hash, and should not be
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assumed to be unique given two different UUIDs.
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.Pp
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The
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.Fn uuid_is_nil
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function returns 1 if the UUID is nil-valued and 0 if it is not.
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.Pp
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The
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.Fn uuid_to_string
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function converts a UUID from binary representation to string representation.
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Storage for the string is dynamically allocated and returned via the
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.Fa str
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argument.
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This pointer should be passed to
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.Xr free 3
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to release the allocated storage when it is no longer needed.
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.Pp
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The
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.Fn uuid_enc_le
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and
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.Fn uuid_enc_be
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functions encode a binary representation of a UUID into an octet stream
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in little-endian and big-endian byte-order, respectively.
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The destination buffer must be pre-allocated by the caller, and must be
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large enough to hold the 16-octet binary UUID.
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.Pp
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The
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.Fn uuid_dec_le
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and
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.Fn uuid_dec_be
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functions decode a UUID from an octet stream in little-endian and
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big-endian byte-order, respectively.
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.Sh RETURN VALUES
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The
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.Fn uuid_compare ,
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.Fn uuid_create ,
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.Fn uuid_create_nil ,
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.Fn uuid_equal ,
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.Fn uuid_from_string ,
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.Fn uuid_hash ,
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.Fn uuid_is_nil ,
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and
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.Fn uuid_to_string
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functions return successful or unsuccessful completion status in the
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.Fa status
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argument.
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Possible values are:
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.Pp
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.Bl -tag -width ".Dv uuid_s_invalid_string_uuid"
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.It Dv uuid_s_ok
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The function completed successfully.
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.It Dv uuid_s_bad_version
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The UUID does not have a known version.
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.It Dv uuid_s_invalid_string_uuid
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The string representation of a UUID is not valid.
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.It Dv uuid_s_no_memory
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Memory could not be allocated for the operation.
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.El
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.Sh SEE ALSO
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.Xr uuidgen 1 ,
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.Xr uuidgen 2
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.Sh STANDARDS
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The
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.Fn uuid_compare ,
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.Fn uuid_create ,
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.Fn uuid_create_nil ,
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.Fn uuid_equal ,
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.Fn uuid_from_string ,
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.Fn uuid_hash ,
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.Fn uuid_is_nil ,
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and
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.Fn uuid_to_string
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functions are compatible with the DCE 1.1 RPC specification.
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.Sh HISTORY
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The UUID functions first appeared in
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.Nx 3.0 .
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