usr/src/uts/common/sys/mnttab.h

root/usr/src/uts/common/sys/mnttab.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */


/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
 * Copyright 2025 Edgecast Cloud LLC.
 */

#ifndef _SYS_MNTTAB_H
#define _SYS_MNTTAB_H

#include <sys/types.h>

#ifdef  __cplusplus
extern "C" {
#endif

#define MNTTAB  "/etc/mnttab"
#define MNT_LINE_MAX    1024

#define MNT_TOOLONG     1       /* entry exceeds MNT_LINE_MAX */
#define MNT_TOOMANY     2       /* too many fields in line */
#define MNT_TOOFEW      3       /* too few fields in line */

#define mntnull(mp)\
        ((mp)->mnt_special = (mp)->mnt_mountp = \
            (mp)->mnt_fstype = (mp)->mnt_mntopts = \
            (mp)->mnt_time = NULL)

#define putmntent(fd, mp)       (-1)

/*
 * The fields in struct extmnttab should match those in struct mnttab until new
 * fields are encountered. This allows hasmntopt(), getmntent_common() and
 * mntioctl() to cast one type to the other safely.
 *
 * The fields in struct mnttab, struct extmnttab and struct mntentbuf must all
 * match those in the corresponding 32-bit versions defined in mntvnops.c.
 */
struct mnttab {
        char    *mnt_special;
        char    *mnt_mountp;
        char    *mnt_fstype;
        char    *mnt_mntopts;
        char    *mnt_time;
};

struct extmnttab {
        char    *mnt_special;
        char    *mnt_mountp;
        char    *mnt_fstype;
        char    *mnt_mntopts;
        char    *mnt_time;
        uint_t  mnt_major;
        uint_t  mnt_minor;
};

struct mntentbuf {
        struct  extmnttab *mbuf_emp;
        size_t  mbuf_bufsize;
        char    *mbuf_buf;
};

#if !defined(_KERNEL)
extern void     resetmnttab(FILE *);
extern int      getmntent(FILE *, struct mnttab *);
extern int      getextmntent(FILE *, struct extmnttab *, size_t);
extern int      getmntany(FILE *, struct mnttab *, struct mnttab *);
extern char     *hasmntopt(const struct mnttab *, const char *);
extern char     *mntopt(char **);
#endif

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_MNTTAB_H */
Illumos
