1130b656e5
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
114 lines
4.1 KiB
Groff
114 lines
4.1 KiB
Groff
.\" Copyright (c) 1983, 1991, 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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.\" @(#)mkdir.2 8.2 (Berkeley) 12/11/93
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.\" $FreeBSD$
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.\"
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.Dd December 11, 1993
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.Dt MKDIR 2
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.Os BSD 4.2
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.Sh NAME
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.Nm mkdir
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.Nd make a directory file
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.Sh SYNOPSIS
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.Fd #include <sys/stat.h>
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.Ft int
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.Fn mkdir "const char *path" "mode_t mode"
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.Sh DESCRIPTION
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The directory
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.Fa path
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is created with the access permissions specified by
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.Fa mode
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and restricted by the
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.Xr umask 2
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of the calling process.
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.Pp
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The directory's owner ID is set to the process's effective user ID.
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The directory's group ID is set to that of the parent directory in
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which it is created.
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.Sh RETURN VALUES
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A 0 return value indicates success. A -1 return value
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indicates an error, and an error code is stored in
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.Va errno .
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.Sh ERRORS
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.Fn Mkdir
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will fail and no directory will be created if:
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.Bl -tag -width ENAMETOOLO
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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 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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A component of the path prefix does not exist.
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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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.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 EPERM
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The
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.Fa path
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argument contains a byte with the high-order bit set.
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.It Bq Er EROFS
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The named file resides on a read-only file system.
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.It Bq Er EEXIST
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The named file exists.
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.It Bq Er ENOSPC
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The new directory cannot be created because there is no space left
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on the file system that will contain the directory.
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.It Bq Er ENOSPC
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There are no free inodes on the file system on which the
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directory is being created.
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.It Bq Er EDQUOT
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The new directory cannot be created because the user's
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quota of disk blocks on the file system that will
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contain the directory has been exhausted.
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.It Bq Er EDQUOT
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The user's quota of inodes on the file system on
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which the directory is being created has been exhausted.
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.It Bq Er EIO
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An I/O error occurred while making the directory entry or allocating the inode.
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.It Bq Er EIO
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An I/O error occurred while reading from or writing to the file system.
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.It Bq Er EFAULT
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.Fa Path
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points outside the process's allocated address space.
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.El
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.Sh SEE ALSO
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.Xr chmod 2 ,
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.Xr stat 2 ,
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.Xr umask 2
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.Sh STANDARDS
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The
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.Fn mkdir
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function call is expected to conform to
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.St -p1003.1-90 .
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