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33 lines
802 B
33 lines
802 B
15 years ago
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/*
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* compare.c --- compare whether or not two UUID's are the same
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*
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* Returns 0 if the two UUID's are different, and 1 if they are the same.
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*
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* Copyright (C) 1996, 1997 Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU
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* Library General Public License.
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* %End-Header%
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*/
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#include "uuidP.h"
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#include <string.h>
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#define UUCMP(u1,u2) if (u1 != u2) return((u1 < u2) ? -1 : 1);
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int uuid_compare(const uuid_t uu1, const uuid_t uu2)
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{
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struct uuid uuid1, uuid2;
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uuid_unpack(uu1, &uuid1);
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uuid_unpack(uu2, &uuid2);
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UUCMP(uuid1.time_low, uuid2.time_low);
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UUCMP(uuid1.time_mid, uuid2.time_mid);
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UUCMP(uuid1.time_hi_and_version, uuid2.time_hi_and_version);
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UUCMP(uuid1.clock_seq, uuid2.clock_seq);
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return memcmp(uuid1.node, uuid2.node, 6);
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}
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