svn commit: r319868 - in head/sys: kern sys

[Mark Johnston]

Author: markj
Date: Mon Jun 12 20:14:44 2017
New Revision: 319868
URL: https://svnweb.freebsd.org/changeset/base/319868

Log:
  Add a helper function for comparing struct uuids.
  
  Submitted by:	Domagoj Stolfa <domagoj.stolfa at gmail.com>
  MFC after:	1 week
  Differential Revision:	https://reviews.freebsd.org/D11138

Modified:
  head/sys/kern/kern_uuid.c
  head/sys/sys/uuid.h

Modified: head/sys/kern/kern_uuid.c
==============================================================================
--- head/sys/kern/kern_uuid.c	Mon Jun 12 19:54:42 2017	(r319867)
+++ head/sys/kern/kern_uuid.c	Mon Jun 12 20:14:44 2017	(r319868)
@@ -424,3 +424,10 @@ parse_uuid(const char *str, struct uuid *uuid)
 	    (c[3] & 0xc0) != 0x80 &&			/* variant 1? */
 	    (c[3] & 0xe0) != 0xc0) ? EINVAL : 0);	/* variant 2? */
 }
+
+int
+uuidcmp(const struct uuid *uuid1, const struct uuid *uuid2)
+{
+
+	return (memcmp(uuid1, uuid2, sizeof(struct uuid)));
+}

Modified: head/sys/sys/uuid.h
==============================================================================
--- head/sys/sys/uuid.h	Mon Jun 12 19:54:42 2017	(r319867)
+++ head/sys/sys/uuid.h	Mon Jun 12 20:14:44 2017	(r319868)
@@ -65,6 +65,7 @@ int snprintf_uuid(char *, size_t, struct uuid *);
 int printf_uuid(struct uuid *);
 int sbuf_printf_uuid(struct sbuf *, struct uuid *);
 int parse_uuid(const char *, struct uuid *);
+int uuidcmp(const struct uuid *, const struct uuid *);
 
 void be_uuid_dec(void const *buf, struct uuid *uuid);
 void be_uuid_enc(void *buf, struct uuid const *uuid);