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authorVijay Bellur <vijay@gluster.com>2010-07-15 00:33:03 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-07-15 03:18:53 -0700
commitbb209f56147878ac420e4d1915e989bb11d272a2 (patch)
tree2ce9af426bac2dd845d541639e90a836c7657b92 /contrib/uuid/compare.c
parent47dc8def246c6338cb95e71b4656962a5f74ee90 (diff)
Bring in uuid to contrib
Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
Diffstat (limited to 'contrib/uuid/compare.c')
-rw-r--r--contrib/uuid/compare.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/contrib/uuid/compare.c b/contrib/uuid/compare.c
new file mode 100644
index 00000000000..f28a72678cf
--- /dev/null
+++ b/contrib/uuid/compare.c
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+/*
+ * 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);
+}
+