VOP_READLINK(9) MidnightBSD Kernel Developer’s Manual VOP_READLINK(9)

NAME

VOP_READLINK — read the target of a symbolic link

SYNOPSIS

#include <sys/param.h>
#include <sys/vnode.h>
#include <sys/uio.h>

int

VOP_READLINK(struct vnode *vp, struct uio *uio, struct ucred *cred);

DESCRIPTION

This reads the target pathname of a symbolic link

vp

The vnode of the symlink.

uio

The location of the data to be read or written.

cred

The credentials of the caller.

LOCKS

The vnode should be locked on entry and will still be locked on exit.

RETURN VALUES

Zero is returned on success, otherwise an error code is returned.

PSEUDOCODE

int
vop_readlink(struct vnode *vp, struct uio *uio, struct ucred *cred)
{
int error = 0;

/*
* Read the target of the symlink.
*/
...;

return error;
}

ERRORS
[EIO]

A read error occurred while reading the contents of the symlink.

SEE ALSO

uiomove(9), vnode(9)

AUTHORS

This manual page was written by Doug Rabson.

MidnightBSD 0.3 July 24, 1996 MidnightBSD 0.3