common/sys/mnttab.h

	mnttab.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_MNTTAB_H
#define _SYS_MNTTAB_H

#pragma ident   "%Z%%M% %I% %E% SMI"

#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)

struct mnttab {
    char    *mnt_special;
    char    *mnt_mountp;
    char    *mnt_fstype;
    char    *mnt_mntopts;
    char    *mnt_time;
};

/*
 * NOTE: fields in extmnttab should match struct mnttab till new fields
 * are encountered, this allows hasmntopt to work properly when its arg is
 * a pointer to an extmnttab struct cast to a mnttab struct pointer.
 */
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;
};

#if !defined(_KERNEL)
#ifdef __STDC__
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(struct mnttab *, char *);
extern char *mntopt(char **);
#else
extern void resetmnttab();
extern int  getmntent();
extern int  getextmntent();
extern int  getmntany();
extern char *hasmntopt();
extern char *mntopt();
#endif
#endif

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_MNTTAB_H */