7bdf80e571
in a bunch of man pages. Use the correct .Bx (BSD UNIX) or .At (AT&T UNIX) macros instead of explicitly specifying the version in the text in a bunch of man pages.
119 lines
3.9 KiB
Groff
119 lines
3.9 KiB
Groff
.\" Copyright (c) 1990, 1993
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.\" The Regents of the University of California. 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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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.\" @(#)utimes.2 8.1 (Berkeley) 6/4/93
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.\"
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.Dd June 4, 1993
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.Dt UTIMES 2
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.Os BSD 4
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.Sh NAME
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.Nm utimes
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.Nd set file access and modification times
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.Sh SYNOPSIS
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.Fd #include <sys/time.h>
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.Ft int
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.Fn utimes "const char *file" "const struct timeval *times"
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.Sh DESCRIPTION
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The
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.Fn utimes
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function sets the access and modification times of the named file from
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the structures in the argument array
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.Fa times .
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.Pp
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The first structure is the access time, and the second is the modification
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time.
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.Pp
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If the times are specified (the
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.Fa times
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argument is
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.Pf non- Dv NULL )
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the caller must be the owner of the file or be the super-user.
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.Pp
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If the times are not specified (the
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.Fa times
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argument is
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.Dv NULL )
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the caller must be the owner of the file, have permission to
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write the file, or be the super-user.
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.Sh RETURN VALUES
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Upon successful completion, a value of 0 is returned.
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Otherwise, a value of -1 is returned and
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.Va errno
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is set to indicate the error.
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.Sh ERRORS
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.Fn Utimes
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will fail if:
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.Bl -tag -width Er
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.It Bq Er EACCES
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Search permission is denied for a component of the path prefix;
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or the
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.Fa times
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argument is
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.Dv NULL
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and the effective user ID of the process does not
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match the owner of the file, and is not the super-user, and write
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access is denied.
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.It Bq Er EFAULT
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.Fa File
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or
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.Fa times
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points outside the process's allocated address space.
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.It Bq Er EINVAL
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The pathname contains a character with the high-order bit set.
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.It Bq Er EIO
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An I/O error occurred while reading or writing the affected inode.
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.It Bq Er ELOOP
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Too many symbolic links were encountered in translating the pathname.
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.It Bq Er ENAMETOOLONG
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A component of a pathname exceeded 255 characters,
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or an entire path name exceeded 1023 characters.
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.It Bq Er ENOENT
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The named file does not exist.
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.It Bq Er ENOTDIR
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A component of the path prefix is not a directory.
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.It Bq Er EPERM
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The
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.Fa times
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argument is not
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.Dv NULL
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and the calling process's effective user ID
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does not match the owner of the file and is not the super-user.
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.It Bq Er EROFS
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The file system containing the file is mounted read-only.
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.El
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.Sh SEE ALSO
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.Xr stat 2
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.Sh HISTORY
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The
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.Fn utimes
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function call appeared in
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.Bx 4.2 .
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