usr/src/sbin/mount/mntopts.h

/*-
 * Copyright (c) 1994
 *      The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)mntopts.h   8.3 (Berkeley) %G%
 */

struct mntopt {
        const char *m_option;   /* option name */
        int m_inverse;          /* if a negative option, eg "dev" */
        int m_flag;             /* bit to set, eg. MNT_RDONLY */
};

/* User-visible MNT_ flags. */
#define MOPT_ASYNC              { "async",      0, MNT_ASYNC }
#define MOPT_NODEV              { "dev",        1, MNT_NODEV }
#define MOPT_NOEXEC             { "exec",       1, MNT_NOEXEC }
#define MOPT_NOSUID             { "suid",       1, MNT_NOSUID }
#define MOPT_RDONLY             { "rdonly",     0, MNT_RDONLY }
#define MOPT_SYNC               { "sync",       0, MNT_SYNCHRONOUS }
#define MOPT_UNION              { "union",      0, MNT_UNION }

/* Control flags. */
#define MOPT_FORCE              { "force",      1, MNT_FORCE }
#define MOPT_UPDATE             { "update",     0, MNT_UPDATE }

/* Support for old-style "ro", "rw" flags. */
#define MOPT_RO                 { "ro",         0, MNT_RDONLY }
#define MOPT_RW                 { "rw",         1, MNT_RDONLY }

#define MOPT_FSTAB_COMPAT                                               \
        MOPT_RO,                                                        \
        MOPT_RW

/* Standard options which all mounts can understand. */
#define MOPT_STDOPTS                                                    \
        MOPT_FSTAB_COMPAT,                                              \
        MOPT_NODEV,                                                     \
        MOPT_NOEXEC,                                                    \
        MOPT_NOSUID,                                                    \
        MOPT_RDONLY,                                                    \
        MOPT_UNION

void getmntopts __P((const char *, const struct mntopt *, int *));