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.\" Copyright (c) 2003-2007 Tim Kientzle
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.\" Copyright (c) 2010 Joerg Sonnenberger
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd February 2, 2012
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.Dt ARCHIVE_ENTRY_TIME 3
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.Os
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.Sh NAME
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.Nm archive_entry_atime ,
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.Nm archive_entry_atime_nsec ,
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.Nm archive_entry_atime_is_set ,
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.Nm archive_entry_set_atime ,
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.Nm archive_entry_unset_atime ,
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.Nm archive_entry_birthtime ,
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.Nm archive_entry_birthtime_nsec ,
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.Nm archive_entry_birthtime_is_set ,
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.Nm archive_entry_set_birthtime ,
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.Nm archive_entry_unset_birthtime ,
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.Nm archive_entry_ctime ,
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.Nm archive_entry_ctime_nsec ,
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.Nm archive_entry_ctime_is_set ,
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.Nm archive_entry_set_ctime ,
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.Nm archive_entry_unset_ctime ,
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.Nm archive_entry_mtime ,
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.Nm archive_entry_mtime_nsec ,
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.Nm archive_entry_mtime_is_set ,
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.Nm archive_entry_set_mtime ,
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.Nm archive_entry_unset_mtime ,
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.Nd functions for manipulating times in archive entry descriptions
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.Sh LIBRARY
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Streaming Archive Library (libarchive, -larchive)
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.Sh SYNOPSIS
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.In archive_entry.h
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.Ft time_t
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.Fn archive_entry_atime "struct archive_entry *a"
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.Ft long
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.Fn archive_entry_atime_nsec "struct archive_entry *a"
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.Ft int
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.Fn archive_entry_atime_is_set "struct archive_entry *a"
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.Ft void
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.Fn archive_entry_set_atime "struct archive_entry *a" "time_t sec" "long nanosec"
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.Ft void
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.Fn archive_entry_unset_atime "struct archive_entry *a"
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.Ft time_t
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.Fn archive_entry_birthtime "struct archive_entry *a"
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.Ft long
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.Fn archive_entry_birthtime_nsec "struct archive_entry *a"
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.Ft int
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.Fn archive_entry_birthtime_is_set "struct archive_entry *a"
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.Ft void
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.Fn archive_entry_set_birthtime "struct archive_entry *a" "time_t sec" "long nanosec"
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.Ft void
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.Fn archive_entry_unset_birthtime "struct archive_entry *a"
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.Ft time_t
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.Fn archive_entry_ctime "struct archive_entry *a"
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.Ft long
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.Fn archive_entry_ctime_nsec "struct archive_entry *a"
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.Ft int
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.Fn archive_entry_ctime_is_set "struct archive_entry *a"
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.Ft void
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.Fn archive_entry_set_ctime "struct archive_entry *a" "time_t sec" "long nanosec"
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.Ft void
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.Fn archive_entry_unset_ctime "struct archive_entry *a"
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.Ft time_t
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.Fn archive_entry_mtime "struct archive_entry *a"
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.Ft long
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.Fn archive_entry_mtime_nsec "struct archive_entry *a"
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.Ft int
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.Fn archive_entry_mtime_is_set "struct archive_entry *a"
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.Ft void
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.Fn archive_entry_set_mtime "struct archive_entry *a" "time_t sec" "long nanosec"
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.Ft void
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.Fn archive_entry_unset_mtime "struct archive_entry *a"
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.Sh DESCRIPTION
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These functions create and manipulate the time fields in an
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.Vt archive_entry .
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Supported time fields are atime (access time), birthtime (creation time),
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ctime (last time an inode property was changed) and mtime (modification time).
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.Pp
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.Xr libarchive 3
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provides a high-resolution interface.
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The timestamps are truncated automatically depending on the archive format
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(for archiving) or the filesystem capabilities (for restoring).
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.Pp
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All timestamp fields are optional.
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The
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.Fn XXX_unset
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functions can be used to mark the corresponding field as missing.
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The current state can be queried using
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.Fn XXX_is_set .
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Unset time fields have a second and nanosecond field of 0.
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.Sh SEE ALSO
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.Xr archive 3 ,
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.Xr archive_entry 3
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.Sh HISTORY
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The
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.Nm libarchive
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library first appeared in
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.Fx 5.3 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm libarchive
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library was written by
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.An Tim Kientzle Aq kientzle@acm.org .
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.\" .Sh BUGS
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