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

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 /*
  27  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 #ifndef _SYS_MNTTAB_H
  32 #define _SYS_MNTTAB_H
  33
  34 #pragma ident   "%Z%%M% %I%     %E% SMI"
  35
  36 #include <sys/types.h>
  37
  38 #ifdef  __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 #define MNTTAB  "/etc/mnttab"
  43 #define MNT_LINE_MAX    1024
  44
  45 #define MNT_TOOLONG     1       /* entry exceeds MNT_LINE_MAX */
  46 #define MNT_TOOMANY     2       /* too many fields in line */
  47 #define MNT_TOOFEW      3       /* too few fields in line */
  48
  49 #define mntnull(mp)\
  50         ((mp)->mnt_special = (mp)->mnt_mountp = \
  51             (mp)->mnt_fstype = (mp)->mnt_mntopts = \
  52             (mp)->mnt_time = NULL)
  53
  54 #define putmntent(fd, mp)       (-1)
  55
  56 struct mnttab {
  57         char    *mnt_special;
  58         char    *mnt_mountp;
  59         char    *mnt_fstype;
  60         char    *mnt_mntopts;
  61         char    *mnt_time;
  62 };
  63
  64 /*
  65  * NOTE: fields in extmnttab should match struct mnttab till new fields
  66  * are encountered, this allows hasmntopt to work properly when its arg is
  67  * a pointer to an extmnttab struct cast to a mnttab struct pointer.
  68  */
  69 struct extmnttab {
  70         char    *mnt_special;
  71         char    *mnt_mountp;
  72         char    *mnt_fstype;
  73         char    *mnt_mntopts;
  74         char    *mnt_time;
  75         uint_t  mnt_major;
  76         uint_t  mnt_minor;
  77 };
  78
  79 #if !defined(_KERNEL)
  80 #ifdef __STDC__
  81 extern void     resetmnttab(FILE *);
  82 extern int      getmntent(FILE *, struct mnttab *);
  83 extern int      getextmntent(FILE *, struct extmnttab *, size_t);
  84 extern int      getmntany(FILE *, struct mnttab *, struct mnttab *);
  85 extern char     *hasmntopt(struct mnttab *, char *);
  86 extern char     *mntopt(char **);
  87 #else
  88 extern void     resetmnttab();
  89 extern int      getmntent();
  90 extern int      getextmntent();
  91 extern int      getmntany();
  92 extern char     *hasmntopt();
  93 extern char     *mntopt();
  94 #endif
  95 #endif
  96
  97 #ifdef  __cplusplus
  98 }
  99 #endif
 100
 101 #endif  /* _SYS_MNTTAB_H */