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The only test we do when checking for UUID validity is that whether all bytes are the same (invalid UUID) or not (valid UUID). The algorithm we use is needlessly complicated. Also, the checked UUID is not modified and hence the argument can be of 'const' type. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> Tested-by: Daniel Henrique Barboza <danielhb413@gmail.com> Tested-by: Han Han <hhan@redhat.com>
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
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* viruuid.h: helper APIs for dealing with UUIDs
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*
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* Copyright (C) 2007, 2011-2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "internal.h"
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/**
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* VIR_UUID_DEBUG:
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* @conn: connection
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* @uuid: possibly null UUID array
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*/
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#define VIR_UUID_DEBUG(conn, uuid) \
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do { \
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if (uuid) { \
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char _uuidstr[VIR_UUID_STRING_BUFLEN]; \
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virUUIDFormat(uuid, _uuidstr); \
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VIR_DEBUG("conn=%p, uuid=%s", conn, _uuidstr); \
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} else { \
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VIR_DEBUG("conn=%p, uuid=(null)", conn); \
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} \
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} while (0)
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int virSetHostUUIDStr(const char *host_uuid);
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int virGetHostUUID(unsigned char *host_uuid) ATTRIBUTE_NONNULL(1) G_GNUC_NO_INLINE;
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bool virUUIDIsValid(const unsigned char *uuid);
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int virUUIDGenerate(unsigned char *uuid) G_GNUC_NO_INLINE;
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int virUUIDParse(const char *uuidstr,
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unsigned char *uuid)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) G_GNUC_WARN_UNUSED_RESULT;
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const char *virUUIDFormat(const unsigned char *uuid,
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char *uuidstr) ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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