mirror of
https://github.com/opnsense/src.git
synced 2026-06-05 06:42:56 -04:00
650056363b
These were reported by `mandoc -T lint ...` as errors.
fhlink.2, fhreadlink.2: remove unneeded block closing.
getfh.2, procctl.2: add necessary block closing.
ptrace.2: -width only takes one argument.
swapon.2: <sys/vmparam.h> and <vm/swap_pager.h> weren't being displayed,
because .It is for a list item whereas .In is for included files.
Also, we want a blank line between <sys/ > headers and the other
one.
Signed-off-by: Graham Percival <gperciva@tarsnap.com>
PR: 281597
Reviewed by: mhorne
Sponsored by: Tarsnap Backup Inc.
95 lines
2.7 KiB
Groff
95 lines
2.7 KiB
Groff
.\" SPDX-License-Identifier: BSD-2-Clause
|
|
.\"
|
|
.\" Copyright (c) 2018 Gandi
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.Dd November 30, 2022
|
|
.Dt FHREADLINK 2
|
|
.Os
|
|
.Sh NAME
|
|
.Nm fhreadlink
|
|
.Nd read value of a symbolic link
|
|
.Sh LIBRARY
|
|
.Lb libc
|
|
.Sh SYNOPSIS
|
|
.In sys/param.h
|
|
.In sys/mount.h
|
|
.Ft int
|
|
.Fn fhreadlink "fhandle_t *fhp" "char *buf" "size_t bufsize"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn fhreadlink
|
|
system call
|
|
places the contents of the symbolic link
|
|
.Fa fhp
|
|
in the buffer
|
|
.Fa buf ,
|
|
which has size
|
|
.Fa bufsiz .
|
|
The
|
|
.Fn fhreadlink
|
|
system call does not append a
|
|
.Dv NUL
|
|
character to
|
|
.Fa buf .
|
|
.Pp
|
|
.Sh RETURN VALUES
|
|
The call returns the count of characters placed in the buffer
|
|
if it succeeds, or a \-1 if an error occurs, placing the error
|
|
code in the global variable
|
|
.Va errno .
|
|
.Sh ERRORS
|
|
The
|
|
.Fn readlink
|
|
system call
|
|
will fail if:
|
|
.Bl -tag -width Er
|
|
.It Bq Er ENOENT
|
|
The named file does not exist.
|
|
.It Bq Er ELOOP
|
|
Too many symbolic links were encountered in translating the file handle
|
|
.Fa fhp .
|
|
.It Bq Er EINVAL
|
|
The named file is not a symbolic link.
|
|
.It Bq Er EIO
|
|
An I/O error occurred while reading from the file system.
|
|
.It Bq Er EINTEGRITY
|
|
Corrupted data was detected while reading from the file system.
|
|
.It Bq Er EFAULT
|
|
The
|
|
.Fa buf
|
|
argument
|
|
extends outside the process's allocated address space.
|
|
.It Bq Er ESTALE
|
|
The file handle
|
|
.Fa fhp
|
|
is no longer valid
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr fhstat 2 ,
|
|
.Xr fhlink 2 ,
|
|
.Sh HISTORY
|
|
The
|
|
.Fn fhreadlink
|
|
system call first appeared in
|
|
.Fx 12.1 .
|