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mntopts.h

/*-
 * 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.
 * 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.
 *
 *    @(#)mntopts.h     8.7 (Berkeley) 3/29/95
 * $FreeBSD: src/sbin/mount/mntopts.h,v 1.29 2005/12/02 03:55:02 rodrigc Exp $
 */

struct mntopt {
      const char *m_option;   /* option name */
      int m_inverse;          /* if a negative option, e.g. "atime" */
      int m_flag;       /* bit to set, e.g. MNT_RDONLY */
      int m_altloc;           /* 1 => set bit in altflags */
};

/* User-visible MNT_ flags. */
#define MOPT_ASYNC            { "async",  0, MNT_ASYNC, 0 }
#define MOPT_NOATIME          { "atime",  1, MNT_NOATIME, 0 }
#define MOPT_NOEXEC           { "exec",   1, MNT_NOEXEC, 0 }
#define MOPT_NOSUID           { "suid",   1, MNT_NOSUID, 0 }
#define MOPT_NOSYMFOLLOW      { "symfollow",  1, MNT_NOSYMFOLLOW, 0 }
#define MOPT_RDONLY           { "rdonly", 0, MNT_RDONLY, 0 }
#define MOPT_SYNC       { "sync",   0, MNT_SYNCHRONOUS, 0 }
#define MOPT_UNION            { "union",  0, MNT_UNION, 0 }
#define MOPT_USERQUOTA        { "userquota",    0, 0, 0 }
#define MOPT_GROUPQUOTA       { "groupquota",   0, 0, 0 }
#define MOPT_NOCLUSTERR       { "clusterr",     1, MNT_NOCLUSTERR, 0 }
#define MOPT_NOCLUSTERW       { "clusterw",     1, MNT_NOCLUSTERW, 0 }
#define MOPT_SUIDDIR          { "suiddir",      0, MNT_SUIDDIR, 0 }
#define MOPT_SNAPSHOT         { "snapshot",     0, MNT_SNAPSHOT, 0 }
#define MOPT_MULTILABEL       { "multilabel",   0, MNT_MULTILABEL, 0 }
#define MOPT_ACLS       { "acls",   0, MNT_ACLS, 0 }

/* Control flags. */
#define MOPT_FORCE            { "force",  0, MNT_FORCE, 0 }
#define MOPT_UPDATE           { "update", 0, MNT_UPDATE, 0 }
#define MOPT_RO               { "ro",           0, MNT_RDONLY, 0 }
#define MOPT_RW               { "rw",           1, MNT_RDONLY, 0 }

/* This is parsed by mount(8), but is ignored by specific mount_*(8)s. */
#define MOPT_AUTO       { "auto",   0, 0, 0 }

/* A handy macro as terminator of MNT_ array. */
#define MOPT_END        { NULL,           0, 0, 0 }

#define MOPT_FSTAB_COMPAT                                   \
      MOPT_RO,                                        \
      MOPT_RW,                                        \
      MOPT_AUTO

/* Standard options which all mounts can understand. */
#define MOPT_STDOPTS                                        \
      MOPT_USERQUOTA,                                       \
      MOPT_GROUPQUOTA,                                \
      MOPT_FSTAB_COMPAT,                                    \
      MOPT_NOATIME,                                         \
      MOPT_NOEXEC,                                          \
      MOPT_SUIDDIR,           /* must be before MOPT_NOSUID */    \
      MOPT_NOSUID,                                          \
      MOPT_NOSYMFOLLOW,                               \
      MOPT_RDONLY,                                          \
      MOPT_UNION,                                     \
      MOPT_NOCLUSTERR,                                \
      MOPT_NOCLUSTERW,                                \
      MOPT_MULTILABEL,                                \
      MOPT_ACLS

void getmntopts(const char *, const struct mntopt *, int *, int *);
void rmslashes(char *, char *);
void checkpath(const char *, char resolved_path[]);
extern int getmnt_silent;
void build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val, size_t len);
void build_iovec_argf(struct iovec **iov, int *iovlen, const char *name, const char *fmt, ...);

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