fs/xfs/uuid.h

   1 /*
   2  * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18 #ifndef __XFS_SUPPORT_UUID_H__
  19 #define __XFS_SUPPORT_UUID_H__
  20
  21 typedef struct {
  22         unsigned char   __u_bits[16];
  23 } uuid_t;
  24
  25 extern int uuid_is_nil(uuid_t *uuid);
  26 extern int uuid_equal(uuid_t *uuid1, uuid_t *uuid2);
  27 extern void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]);
  28
  29 static inline void
  30 uuid_copy(uuid_t *dst, uuid_t *src)
  31 {
  32         memcpy(dst, src, sizeof(uuid_t));
  33 }
  34
  35 #endif  /* __XFS_SUPPORT_UUID_H__ */