/* $OpenBSD: tcfs_fileinfo.c,v 1.3 2000/06/17 20:25:54 provos Exp $ */ /* * Copyright 2000 The TCFS Project at http://tcfs.dia.unisa.it/ * All rights reserved. * * 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. * 3. The name of the authors may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include tcfs_fileinfo tcfs_xgetflags(struct vnode *v, struct proc *p, struct ucred *c) { tcfs_fileinfo r; struct vop_getattr_args x; struct vattr att; int retval; att = va_null; x.a_desc = VDESC(vop_getattr); x.a_vp = v; x.a_vap = &att; x.a_cred = c; x.a_p = p; retval = tcfs_bypass((void*)&x); r.flag = (unsigned long)(x.a_vap->va_flags); r.end_of_file = x.a_vap->va_size; return r; } int tcfs_xsetflags(struct vnode *v, struct proc *p, struct ucred *c, tcfs_fileinfo *i) { struct vop_setattr_args x; struct vattr att; int retval; att = va_null; att.va_flags = i->flag; x.a_desc = VDESC(vop_setattr); x.a_vp = v; x.a_vap = &att; x.a_cred = c; x.a_p = p; retval = tcfs_bypass((void*)&x); return retval; } tcfs_fileinfo tcfs_get_fileinfo(void *a) { struct vop_read_args *arg; arg = (struct vop_read_args*)a; return tcfs_xgetflags(arg->a_vp, arg->a_uio->uio_procp, arg->a_cred); } int tcfs_set_fileinfo(void *a, tcfs_fileinfo *i) { struct vop_read_args *arg; arg = (struct vop_read_args*)a; return tcfs_xsetflags(arg->a_vp, arg->a_uio->uio_procp, arg->a_cred, i); }