mirror of
https://github.com/openvswitch/ovs
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44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* Copyright (c) 2008, 2009, 2010 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef OPENVSWITCH_UUID_H
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#define OPENVSWITCH_UUID_H 1
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#include "openvswitch/util.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define UUID_BIT 128 /* Number of bits in a UUID. */
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#define UUID_OCTET (UUID_BIT / 8) /* Number of bytes in a UUID. */
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/* A Universally Unique IDentifier (UUID) compliant with RFC 4122.
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*
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* Each of the parts is stored in host byte order, but the parts themselves are
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* ordered from left to right. That is, (parts[0] >> 24) is the first 8 bits
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* of the UUID when output in the standard form, and (parts[3] & 0xff) is the
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* final 8 bits. */
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struct uuid {
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uint32_t parts[4];
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};
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BUILD_ASSERT_DECL(sizeof(struct uuid) == UUID_OCTET);
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#ifdef __cplusplus
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}
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#endif
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#endif /* uuid.h */
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