1fab63cc4SDoug Rabson.\" -*- nroff -*- 2fab63cc4SDoug Rabson.\" 3fab63cc4SDoug Rabson.\" Copyright (c) 1996 Doug Rabson 4fab63cc4SDoug Rabson.\" 5fab63cc4SDoug Rabson.\" All rights reserved. 6fab63cc4SDoug Rabson.\" 7fab63cc4SDoug Rabson.\" This program is free software. 8fab63cc4SDoug Rabson.\" 9fab63cc4SDoug Rabson.\" Redistribution and use in source and binary forms, with or without 10fab63cc4SDoug Rabson.\" modification, are permitted provided that the following conditions 11fab63cc4SDoug Rabson.\" are met: 12fab63cc4SDoug Rabson.\" 1. Redistributions of source code must retain the above copyright 13fab63cc4SDoug Rabson.\" notice, this list of conditions and the following disclaimer. 14fab63cc4SDoug Rabson.\" 2. Redistributions in binary form must reproduce the above copyright 15fab63cc4SDoug Rabson.\" notice, this list of conditions and the following disclaimer in the 16fab63cc4SDoug Rabson.\" documentation and/or other materials provided with the distribution. 17fab63cc4SDoug Rabson.\" 18fab63cc4SDoug Rabson.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 19fab63cc4SDoug Rabson.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20fab63cc4SDoug Rabson.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21fab63cc4SDoug Rabson.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22fab63cc4SDoug Rabson.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23fab63cc4SDoug Rabson.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24fab63cc4SDoug Rabson.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25fab63cc4SDoug Rabson.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26fab63cc4SDoug Rabson.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27fab63cc4SDoug Rabson.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28fab63cc4SDoug Rabson.\" 29*e42b0964SJohn Baldwin.Dd March 30, 2020 30fab63cc4SDoug Rabson.Dt VOP_READLINK 9 31aa12cea2SUlrich Spörlein.Os 32fab63cc4SDoug Rabson.Sh NAME 33fab63cc4SDoug Rabson.Nm VOP_READLINK 34fab63cc4SDoug Rabson.Nd read the target of a symbolic link 35fab63cc4SDoug Rabson.Sh SYNOPSIS 3632eef9aeSRuslan Ermilov.In sys/param.h 3732eef9aeSRuslan Ermilov.In sys/vnode.h 3832eef9aeSRuslan Ermilov.In sys/uio.h 39fab63cc4SDoug Rabson.Ft int 40fab63cc4SDoug Rabson.Fn VOP_READLINK "struct vnode *vp" "struct uio *uio" "struct ucred *cred" 41fab63cc4SDoug Rabson.Sh DESCRIPTION 42fab63cc4SDoug RabsonThis reads the target pathname of a symbolic link 43fab63cc4SDoug Rabson.Bl -tag -width uio 440640e9e0SHiten Pandya.It Fa vp 450a57ea7dSRuslan ErmilovThe vnode of the symlink. 460640e9e0SHiten Pandya.It Fa uio 470a57ea7dSRuslan ErmilovThe location of the data to be read or written. 480640e9e0SHiten Pandya.It Fa cred 490a57ea7dSRuslan ErmilovThe credentials of the caller. 50fab63cc4SDoug Rabson.El 51fab63cc4SDoug Rabson.Sh LOCKS 52fab63cc4SDoug RabsonThe vnode should be locked on entry and will still be locked on exit. 53fab63cc4SDoug Rabson.Sh RETURN VALUES 54fab63cc4SDoug RabsonZero is returned on success, otherwise an error code is returned. 55fab63cc4SDoug Rabson.Sh ERRORS 56eaa8b244SMike Pritchard.Bl -tag -width Er 57fab63cc4SDoug Rabson.It Bq Er EIO 58cc258457SDon LewisA read error occurred while reading the contents of the symlink. 59*e42b0964SJohn Baldwin.It Bq Er EINTEGRITY 60*e42b0964SJohn BaldwinCorrupted data was detected while reading the contents of the symlink. 61fab63cc4SDoug Rabson.El 62fab63cc4SDoug Rabson.Sh SEE ALSO 63bceb8aedSWolfram Schneider.Xr uiomove 9 , 64bceb8aedSWolfram Schneider.Xr vnode 9 65fab63cc4SDoug Rabson.Sh AUTHORS 66571dba6eSHiten PandyaThis manual page was written by 67aaf1f16eSPhilippe Charnier.An Doug Rabson . 68