DragonFly On-Line Manual Pages
VOP_READLINK(9) DragonFly 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 man page was written by Doug Rabson.
DragonFly 3.5 July 24, 1996 DragonFly 3.5