zfs-builds-mm/zfs-0.8.4/lib/libspl/include/sys/mnttab.h

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2020-07-19 16:21:53 +02:00
/*
* 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.
*/
/* Copyright 2006 Ricardo Correia */
#ifndef _SYS_MNTTAB_H
#define _SYS_MNTTAB_H
#include <stdio.h>
#include <mntent.h>
#include <sys/types.h>
#ifdef MNTTAB
#undef MNTTAB
#endif /* MNTTAB */
#define MNTTAB "/proc/self/mounts"
#define MNT_LINE_MAX 4096
#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 */
struct mnttab {
char *mnt_special;
char *mnt_mountp;
char *mnt_fstype;
char *mnt_mntopts;
};
/*
* 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;
uint_t mnt_major;
uint_t mnt_minor;
};
extern int getmntany(FILE *fp, struct mnttab *mp, struct mnttab *mpref);
extern int _sol_getmntent(FILE *fp, struct mnttab *mp);
extern int getextmntent(FILE *fp, struct extmnttab *mp, int len);
static inline char *_sol_hasmntopt(struct mnttab *mnt, char *opt)
{
struct mntent mnt_new;
mnt_new.mnt_opts = mnt->mnt_mntopts;
return (hasmntopt(&mnt_new, opt));
}
#define hasmntopt _sol_hasmntopt
#define getmntent _sol_getmntent
#endif