lib/libspl/include/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  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 /* Copyright 2006 Ricardo Correia */
  29
  30 #ifndef _SYS_MNTTAB_H
  31 #define _SYS_MNTTAB_H
  32
  33 #include <stdio.h>
  34 #include <mntent.h>
  35 #include <sys/types.h>
  36
  37 #ifdef MNTTAB
  38 #undef MNTTAB
  39 #endif /* MNTTAB */
  40
  41 #define MNTTAB          "/etc/mtab"
  42 #define MNT_LINE_MAX    1024
  43
  44 #define MNT_TOOLONG     1       /* entry exceeds MNT_LINE_MAX */
  45 #define MNT_TOOMANY     2       /* too many fields in line */
  46 #define MNT_TOOFEW      3       /* too few fields in line */
  47
  48 struct mnttab {
  49         char *mnt_special;
  50         char *mnt_mountp;
  51         char *mnt_fstype;
  52         char *mnt_mntopts;
  53 };
  54
  55 /*
  56  * NOTE: fields in extmnttab should match struct mnttab till new fields
  57  * are encountered, this allows hasmntopt to work properly when its arg is
  58  * a pointer to an extmnttab struct cast to a mnttab struct pointer.
  59  */
  60
  61 struct extmnttab {
  62         char *mnt_special;
  63         char *mnt_mountp;
  64         char *mnt_fstype;
  65         char *mnt_mntopts;
  66         uint_t mnt_major;
  67         uint_t mnt_minor;
  68 };
  69
  70 extern int getmntany(FILE *fp, struct mnttab *mp, struct mnttab *mpref);
  71 extern int _sol_getmntent(FILE *fp, struct mnttab *mp);
  72 extern int getextmntent(FILE *fp, struct extmnttab *mp, int len);
  73
  74 static inline char *_sol_hasmntopt(struct mnttab *mnt, char *opt)
  75 {
  76         struct mntent mnt_new;
  77
  78         mnt_new.mnt_opts = mnt->mnt_mntopts;
  79
  80         return (hasmntopt(&mnt_new, opt));
  81 }
  82
  83 #define hasmntopt       _sol_hasmntopt
  84 #define getmntent       _sol_getmntent
  85
  86 #endif