VOP_READLINK.9

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.Dd March 30, 2020
.Dt VOP_READLINK 9
.Os
.Sh NAME
.Nm VOP_READLINK
.Nd read the target of a symbolic link
.Sh SYNOPSIS
.In sys/param.h
.In sys/vnode.h
.In sys/uio.h
.Ft int
.Fn VOP_READLINK "struct vnode *vp" "struct uio *uio" "struct ucred *cred"
.Sh DESCRIPTION
This reads the target pathname of a symbolic link
.Bl -tag -width uio
.It Fa vp
The vnode of the symlink.
.It Fa uio
The location of the data to be read or written.
.It Fa cred
The credentials of the caller.
.El
.Sh LOCKS
The vnode should be locked on entry and will still be locked on exit.
.Sh RETURN VALUES
Zero is returned on success, otherwise an error code is returned.
.Sh ERRORS
.Bl -tag -width Er
.It Bq Er EIO
A read error occurred while reading the contents of the symlink.
.It Bq Er EINTEGRITY
Corrupted data was detected while reading the contents of the symlink.
.El
.Sh SEE ALSO
.Xr uiomove 9 ,
.Xr vnode 9
.Sh AUTHORS
This manual page was written by
.An Doug Rabson .