From 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:49:25 +0200 Subject: Adding upstream version 1.47.0. Signed-off-by: Daniel Baumann --- lib/uuid/compare.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 lib/uuid/compare.c (limited to 'lib/uuid/compare.c') diff --git a/lib/uuid/compare.c b/lib/uuid/compare.c new file mode 100644 index 0000000..d5fc503 --- /dev/null +++ b/lib/uuid/compare.c @@ -0,0 +1,56 @@ +/* + * compare.c --- compare whether or not two UUID's are the same + * + * Returns 0 if the two UUID's are different, and 1 if they are the same. + * + * Copyright (C) 1996, 1997 Theodore Ts'o. + * + * %Begin-Header% + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF + * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT + * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * %End-Header% + */ + +#include "config.h" +#include "uuidP.h" +#include + +#define UUCMP(u1,u2) if (u1 != u2) return((u1 < u2) ? -1 : 1); + +int uuid_compare(const uuid_t uu1, const uuid_t uu2) +{ + struct uuid uuid1, uuid2; + + uuid_unpack(uu1, &uuid1); + uuid_unpack(uu2, &uuid2); + + UUCMP(uuid1.time_low, uuid2.time_low); + UUCMP(uuid1.time_mid, uuid2.time_mid); + UUCMP(uuid1.time_hi_and_version, uuid2.time_hi_and_version); + UUCMP(uuid1.clock_seq, uuid2.clock_seq); + return memcmp(uuid1.node, uuid2.node, 6); +} + -- cgit v1.2.3