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author | LaMont Jones <lamont@debian.org> | 2009-07-21 15:45:04 -0600 |
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committer | LaMont Jones <lamont@debian.org> | 2009-07-21 15:45:04 -0600 |
commit | 7a22bb9abcb56d1010cefd204709e3888f95f735 (patch) | |
tree | 5c38b4485f79ee8f6a9d5f9537e973f1f663f027 /shlibs/uuid/src/compare.c | |
parent | 4e13a18f57a5b427c559f3b466b9655db14d28f8 (diff) | |
parent | 741064af10ec81635d708e9fb8373f96341246eb (diff) | |
download | util-linux-old-7a22bb9abcb56d1010cefd204709e3888f95f735.tar.gz |
Merge commit 'origin/master'
Conflicts:
AUTHORS
NEWS
config/include-Makefile.am
configure.ac
mount/lomount.c
po/POTFILES.in
po/ca.po
po/cs.po
po/da.po
po/de.po
po/es.po
po/et.po
po/eu.po
po/fi.po
po/fr.po
po/hu.po
po/id.po
po/it.po
po/ja.po
po/nl.po
po/pl.po
po/pt_BR.po
po/ru.po
po/sl.po
po/sv.po
po/tr.po
po/uk.po
po/util-linux-ng.pot
po/vi.po
po/zh_CN.po
Diffstat (limited to 'shlibs/uuid/src/compare.c')
-rw-r--r-- | shlibs/uuid/src/compare.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/shlibs/uuid/src/compare.c b/shlibs/uuid/src/compare.c new file mode 100644 index 00000000..f28a7267 --- /dev/null +++ b/shlibs/uuid/src/compare.c @@ -0,0 +1,55 @@ +/* + * 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 "uuidP.h" +#include <string.h> + +#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); +} + |