mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-29 12:03:03 +00:00
130 lines
4.8 KiB
C
130 lines
4.8 KiB
C
/* $FreeBSD$ */
|
|
/* $OpenBSD: nfsm_subs.h,v 1.11 2000/01/05 20:50:52 millert Exp $ */
|
|
/* $NetBSD: nfsm_subs.h,v 1.10 1996/03/20 21:59:56 fvdl Exp $ */
|
|
|
|
/*-
|
|
* copyright (c) 2003
|
|
* the regents of the university of michigan
|
|
* all rights reserved
|
|
*
|
|
* permission is granted to use, copy, create derivative works and redistribute
|
|
* this software and such derivative works for any purpose, so long as the name
|
|
* of the university of michigan is not used in any advertising or publicity
|
|
* pertaining to the use or distribution of this software without specific,
|
|
* written prior authorization. if the above copyright notice or any other
|
|
* identification of the university of michigan is included in any copy of any
|
|
* portion of this software, then the disclaimer below must also be included.
|
|
*
|
|
* this software is provided as is, without representation from the university
|
|
* of michigan as to its fitness for any purpose, and without warranty by the
|
|
* university of michigan of any kind, either express or implied, including
|
|
* without limitation the implied warranties of merchantability and fitness for
|
|
* a particular purpose. the regents of the university of michigan shall not be
|
|
* liable for any damages, including special, indirect, incidental, or
|
|
* consequential damages, with respect to any claim arising out of or in
|
|
* connection with the use of the software, even if it has been or is hereafter
|
|
* advised of the possibility of such damages.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 1989, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Rick Macklem at The University of Guelph.
|
|
*
|
|
* 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.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* @(#)nfsm_subs.h 8.2 (Berkeley) 3/30/95
|
|
*/
|
|
|
|
|
|
#ifndef _RPC_RPCM_SUBS_H_
|
|
#define _RPC_RPCM_SUBS_H_
|
|
|
|
|
|
/*
|
|
* Now for the macros that do the simple stuff and call the functions
|
|
* for the hard stuff.
|
|
* These macros use several vars. declared in rpcm_reqhead and these
|
|
* vars. must not be used elsewhere unless you are careful not to corrupt
|
|
* them. The vars. starting with pN and tN (N=1,2,3,..) are temporaries
|
|
* that may be used so long as the value is not expected to retained
|
|
* after a macro.
|
|
* I know, this is kind of dorkey, but it makes the actual op functions
|
|
* fairly clean and deals with the mess caused by the xdr discriminating
|
|
* unions.
|
|
*/
|
|
|
|
#define rpcm_build(a,c,s) \
|
|
{ if ((s) > M_TRAILINGSPACE(mb)) { \
|
|
mb2 = m_get(M_WAITOK, MT_DATA); \
|
|
if ((s) > MLEN) \
|
|
panic("build > MLEN"); \
|
|
mb->m_next = mb2; \
|
|
mb = mb2; \
|
|
mb->m_len = 0; \
|
|
bpos = mtod(mb, caddr_t); \
|
|
} \
|
|
(a) = (c)(bpos); \
|
|
mb->m_len += (s); \
|
|
bpos += (s); }
|
|
|
|
#define rpcm_dissect(a, c, s) \
|
|
{ t1 = mtod(md, caddr_t)+md->m_len-dpos; \
|
|
if (t1 >= (s)) { \
|
|
(a) = (c)(dpos); \
|
|
dpos += (s); \
|
|
} else if ((t1 = rpcm_disct(&md, &dpos, (s), t1, &cp2)) != 0){ \
|
|
error = t1; \
|
|
goto rpcmout; \
|
|
} else { \
|
|
(a) = (c)cp2; \
|
|
} }
|
|
|
|
#if 0
|
|
#define rpcm_mtouio(p,s) \
|
|
if ((s) > 0 && \
|
|
(t1 = rpcm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \
|
|
error = t1; \
|
|
goto rpcmout; \
|
|
}
|
|
#endif
|
|
|
|
#define rpcm_rndup(a) (((a)+3)&(~0x3))
|
|
|
|
#define rpcm_adv(s) \
|
|
{ t1 = mtod(md, caddr_t)+md->m_len-dpos; \
|
|
if (t1 >= (s)) { \
|
|
dpos += (s); \
|
|
} else if ((t1 = rpc_adv(&md, &dpos, (s), t1)) != 0) { \
|
|
error = t1; \
|
|
goto rpcmout; \
|
|
} }
|
|
|
|
#define RPCMADV(m, s) (m)->m_data += (s)
|
|
|
|
#endif /* _RPC_RPCM_SUBS_H_ */
|