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      1  1.4   martin /*	$NetBSD: snapshot.h,v 1.4 2008/04/28 20:23:08 martin Exp $	*/
      2  1.1  hannken 
      3  1.1  hannken /*-
      4  1.2  hannken  * Copyright (c) 2005 The NetBSD Foundation, Inc.
      5  1.1  hannken  * All rights reserved.
      6  1.1  hannken  *
      7  1.1  hannken  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  hannken  * by Juergen Hannken-Illjes.
      9  1.1  hannken  *
     10  1.1  hannken  * Redistribution and use in source and binary forms, with or without
     11  1.1  hannken  * modification, are permitted provided that the following conditions
     12  1.1  hannken  * are met:
     13  1.1  hannken  * 1. Redistributions of source code must retain the above copyright
     14  1.1  hannken  *    notice, this list of conditions and the following disclaimer.
     15  1.1  hannken  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  hannken  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  hannken  *    documentation and/or other materials provided with the distribution.
     18  1.1  hannken  *
     19  1.1  hannken  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1  hannken  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1  hannken  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1  hannken  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1  hannken  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1  hannken  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1  hannken  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1  hannken  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1  hannken  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1  hannken  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1  hannken  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1  hannken  */
     31  1.1  hannken 
     32  1.1  hannken /*
     33  1.1  hannken  * Create a snapshot of the file system currently mounted on the first argument
     34  1.1  hannken  * using the second argument as backing store and return an open file
     35  1.1  hannken  * descriptor for the snapshot.  If the second argument is NULL, use the first
     36  1.1  hannken  * as backing store.  If the third argument is not NULL, it gets the time the
     37  1.3  hannken  * snapshot was created.  If the fourth argument is not NULL, it gets the
     38  1.3  hannken  * snapshot device path.
     39  1.1  hannken  */
     40  1.3  hannken int snap_open(char *, char *, time_t *, char **);
     41