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/* $OpenBSD: mntopts.h,v 1.18 2016/09/10 16:53:30 natano Exp $ */
/* $NetBSD: mntopts.h,v 1.3 1995/03/18 14:56:59 cgd Exp $ */
/*-
* Copyright (c) 1994
* The Regents of the University of California. 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. 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.
*
* @(#)mntopts.h 8.3 (Berkeley) 3/27/94
*/
#define MFLAG_INVERSE 0x01 /* if a negative option, eg "dev" */
#define MFLAG_SET 0x02 /* 1 => set bit in mntflags,
0 => return flag */
#define MFLAG_STRVAL 0x04 /* option needs a string value */
#define MFLAG_INTVAL 0x08 /* option needs an int value */
#define MFLAG_OPT 0x10 /* value is optional */
struct mntopt {
const char *m_option; /* option name */
int m_flag; /* bit to set, eg. MNT_RDONLY */
int m_oflags;
};
union mntval {
char *strval;
int ival;
};
/* User-visible MNT_ flags. */
#define MOPT_ASYNC { "async", MNT_ASYNC, MFLAG_SET }
#define MOPT_NOACCESSTIME { "accesstime", MNT_NOATIME, \
MFLAG_INVERSE | MFLAG_SET }
#define MOPT_NOATIME { "atime", MNT_NOATIME, MFLAG_INVERSE | MFLAG_SET }
#define MOPT_NODEV { "dev", MNT_NODEV, MFLAG_INVERSE | MFLAG_SET }
#define MOPT_NOEXEC { "exec", MNT_NOEXEC, MFLAG_INVERSE | MFLAG_SET }
#define MOPT_NOSUID { "suid", MNT_NOSUID, MFLAG_INVERSE | MFLAG_SET }
#define MOPT_NOPERM { "perm", MNT_NOPERM, MFLAG_INVERSE | MFLAG_SET }
#define MOPT_WXALLOWED { "wxallowed", MNT_WXALLOWED, MFLAG_SET }
#define MOPT_RDONLY { "rdonly", MNT_RDONLY, MFLAG_SET }
#define MOPT_SYNC { "sync", MNT_SYNCHRONOUS, MFLAG_SET }
#define MOPT_USERQUOTA { "userquota", 0, MFLAG_SET | MFLAG_STRVAL \
| MFLAG_OPT }
#define MOPT_GROUPQUOTA { "groupquota", 0, MFLAG_SET | MFLAG_STRVAL \
| MFLAG_OPT }
#define MOPT_SOFTDEP { "softdep", MNT_SOFTDEP, MFLAG_SET }
/* Control flags. */
#define MOPT_FORCE { "force", MNT_FORCE, MFLAG_SET }
#define MOPT_UPDATE { "update", MNT_UPDATE, MFLAG_SET }
#define MOPT_RELOAD { "reload", MNT_RELOAD, MFLAG_SET }
/* Support for old-style "ro", "rw" flags. */
#define MOPT_RO { "ro", MNT_RDONLY, MFLAG_SET }
#define MOPT_RW { "rw", MNT_RDONLY, MFLAG_INVERSE | MFLAG_SET }
/* These are parsed by mount(8), but are ignored by specific mount_*(8)s. */
#define MOPT_AUTO { "auto", 0, MFLAG_SET }
#define MOPT_NET { "net", 0, MFLAG_SET }
#define MOPT_FSTAB_COMPAT \
MOPT_RO, \
MOPT_RW, \
MOPT_NET, \
MOPT_AUTO
/* Standard options which all mounts can understand. */
#define MOPT_STDOPTS \
MOPT_USERQUOTA, \
MOPT_GROUPQUOTA, \
MOPT_FSTAB_COMPAT, \
MOPT_NOACCESSTIME, \
MOPT_NOATIME, \
MOPT_NODEV, \
MOPT_NOEXEC, \
MOPT_NOSUID, \
MOPT_RDONLY
int getmntopts(const char *, const struct mntopt *, int *);
int getmntopt(char **, union mntval *, const struct mntopt *, int *);
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