1994-05-26 06:18:55 +00:00
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/*
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* Copyright (c) 1980, 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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1997-08-07 21:31:00 +00:00
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static const char copyright[] =
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1994-05-26 06:18:55 +00:00
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"@(#) Copyright (c) 1980, 1990, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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1997-08-07 21:31:00 +00:00
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#if 0
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static char sccsid[] = "@(#)df.c 8.9 (Berkeley) 5/8/95";
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#else
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static const char rcsid[] =
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1999-08-27 23:15:48 +00:00
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"$FreeBSD$";
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1997-08-07 21:31:00 +00:00
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#endif
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1994-05-26 06:18:55 +00:00
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
|
2001-06-04 23:07:15 +00:00
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#include <sys/sysctl.h>
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1997-03-13 17:41:37 +00:00
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#include <ufs/ufs/ufsmount.h>
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1994-05-26 06:18:55 +00:00
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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1999-12-15 03:44:09 +00:00
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#include <math.h>
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1994-05-26 06:18:55 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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1999-12-15 03:44:09 +00:00
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#include <sysexits.h>
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1994-05-26 06:18:55 +00:00
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#include <unistd.h>
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1999-12-15 03:44:09 +00:00
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#define UNITS_SI 1
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#define UNITS_2 2
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#define KILO_SZ(n) (n)
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#define MEGA_SZ(n) ((n) * (n))
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#define GIGA_SZ(n) ((n) * (n) * (n))
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#define TERA_SZ(n) ((n) * (n) * (n) * (n))
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#define PETA_SZ(n) ((n) * (n) * (n) * (n) * (n))
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#define KILO_2_SZ (KILO_SZ(1024ULL))
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#define MEGA_2_SZ (MEGA_SZ(1024ULL))
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#define GIGA_2_SZ (GIGA_SZ(1024ULL))
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#define TERA_2_SZ (TERA_SZ(1024ULL))
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#define PETA_2_SZ (PETA_SZ(1024ULL))
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#define KILO_SI_SZ (KILO_SZ(1000ULL))
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#define MEGA_SI_SZ (MEGA_SZ(1000ULL))
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#define GIGA_SI_SZ (GIGA_SZ(1000ULL))
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#define TERA_SI_SZ (TERA_SZ(1000ULL))
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#define PETA_SI_SZ (PETA_SZ(1000ULL))
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unsigned long long vals_si [] = {1, KILO_SI_SZ, MEGA_SI_SZ, GIGA_SI_SZ, TERA_SI_SZ, PETA_SI_SZ};
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unsigned long long vals_base2[] = {1, KILO_2_SZ, MEGA_2_SZ, GIGA_2_SZ, TERA_2_SZ, PETA_2_SZ};
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unsigned long long *valp;
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typedef enum { NONE, KILO, MEGA, GIGA, TERA, PETA, UNIT_MAX } unit_t;
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int unitp [] = { NONE, KILO, MEGA, GIGA, TERA, PETA };
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1997-03-13 17:41:37 +00:00
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int bread __P((off_t, void *, int));
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2001-05-20 04:12:30 +00:00
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int checkvfsname __P((const char *, char **));
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1997-03-13 17:41:37 +00:00
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char *getmntpt __P((char *));
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2001-05-20 04:12:30 +00:00
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int main __P((int, char *[]));
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2001-06-04 23:07:15 +00:00
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char *makenetvfslist __P((void));
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2001-05-20 04:12:30 +00:00
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char **makevfslist __P((char *));
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1999-12-15 03:44:09 +00:00
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void prthuman __P((struct statfs *, long));
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void prthumanval __P((double));
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1997-03-13 17:41:37 +00:00
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void prtstat __P((struct statfs *, int));
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2001-05-20 04:12:30 +00:00
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long regetmntinfo __P((struct statfs **, long, char **));
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1997-10-12 13:55:43 +00:00
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int ufs_df __P((char *, int));
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1999-12-15 03:44:09 +00:00
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unit_t unit_adjust __P((double *));
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1997-03-13 17:41:37 +00:00
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void usage __P((void));
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1995-05-30 00:07:29 +00:00
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1999-12-15 03:44:09 +00:00
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int aflag = 0, hflag, iflag, nflag;
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1994-05-26 06:18:55 +00:00
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struct ufs_args mdev;
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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struct stat stbuf;
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struct statfs statfsbuf, *mntbuf;
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2001-05-20 04:12:30 +00:00
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const char *fstype;
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char *mntpath, *mntpt, **vfslist;
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1997-03-13 17:41:37 +00:00
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long mntsize;
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2001-05-20 04:12:30 +00:00
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int ch, i, maxwidth, rv, width;
|
2001-05-09 08:44:15 +00:00
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fstype = "ufs";
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1994-08-12 07:26:52 +00:00
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1997-03-13 17:41:37 +00:00
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vfslist = NULL;
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2001-06-04 23:07:15 +00:00
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while ((ch = getopt(argc, argv, "abgHhiklmnPt:")) != -1)
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1994-05-26 06:18:55 +00:00
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switch (ch) {
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1999-11-01 04:57:43 +00:00
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case 'a':
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aflag = 1;
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break;
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1999-12-15 03:44:09 +00:00
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case 'b':
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/* FALLTHROUGH */
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case 'P':
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putenv("BLOCKSIZE=512");
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hflag = 0;
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break;
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2000-06-03 20:17:39 +00:00
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case 'g':
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putenv("BLOCKSIZE=1g");
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hflag = 0;
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break;
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1999-12-15 03:44:09 +00:00
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case 'H':
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hflag = UNITS_SI;
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valp = vals_si;
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break;
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case 'h':
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hflag = UNITS_2;
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valp = vals_base2;
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break;
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1994-05-26 06:18:55 +00:00
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case 'i':
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iflag = 1;
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break;
|
1994-08-10 19:21:07 +00:00
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case 'k':
|
1994-08-12 10:23:49 +00:00
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putenv("BLOCKSIZE=1k");
|
1999-12-15 03:44:09 +00:00
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hflag = 0;
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break;
|
2001-06-04 23:07:15 +00:00
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case 'l':
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if (vfslist != NULL)
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errx(1, "-l and -t are mutually exclusive.");
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vfslist = makevfslist(makenetvfslist());
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break;
|
1999-12-15 03:44:09 +00:00
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case 'm':
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putenv("BLOCKSIZE=1m");
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hflag = 0;
|
1994-08-10 19:21:07 +00:00
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break;
|
1994-05-26 06:18:55 +00:00
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case 'n':
|
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nflag = 1;
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break;
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case 't':
|
1997-03-13 17:41:37 +00:00
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|
if (vfslist != NULL)
|
2001-12-11 18:22:01 +00:00
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|
errx(1, "only one -t option may be specified");
|
2001-08-01 02:09:09 +00:00
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|
fstype = optarg;
|
1997-03-13 17:41:37 +00:00
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|
vfslist = makevfslist(optarg);
|
1994-05-26 06:18:55 +00:00
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break;
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case '?':
|
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default:
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|
usage();
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|
}
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|
argc -= optind;
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argv += optind;
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mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
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maxwidth = 0;
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for (i = 0; i < mntsize; i++) {
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width = strlen(mntbuf[i].f_mntfromname);
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if (width > maxwidth)
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maxwidth = width;
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}
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|
1997-10-12 13:55:43 +00:00
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rv = 0;
|
1994-05-26 06:18:55 +00:00
|
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if (!*argv) {
|
1997-03-13 17:41:37 +00:00
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mntsize = regetmntinfo(&mntbuf, mntsize, vfslist);
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|
if (vfslist != NULL) {
|
1994-05-26 06:18:55 +00:00
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maxwidth = 0;
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for (i = 0; i < mntsize; i++) {
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|
width = strlen(mntbuf[i].f_mntfromname);
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|
|
if (width > maxwidth)
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|
maxwidth = width;
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|
|
}
|
|
|
|
}
|
1999-11-01 04:57:43 +00:00
|
|
|
for (i = 0; i < mntsize; i++) {
|
|
|
|
if (aflag || (mntbuf[i].f_flags & MNT_IGNORE) == 0)
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|
prtstat(&mntbuf[i], maxwidth);
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|
|
}
|
1997-10-12 13:55:43 +00:00
|
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|
exit(rv);
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for (; *argv; argv++) {
|
|
|
|
if (stat(*argv, &stbuf) < 0) {
|
|
|
|
if ((mntpt = getmntpt(*argv)) == 0) {
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|
|
warn("%s", *argv);
|
1997-10-12 13:55:43 +00:00
|
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|
rv = 1;
|
1994-05-26 06:18:55 +00:00
|
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|
continue;
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|
|
|
}
|
2001-05-09 08:44:15 +00:00
|
|
|
} else if (S_ISCHR(stbuf.st_mode)) {
|
|
|
|
if ((mntpt = getmntpt(*argv)) == 0) {
|
|
|
|
mdev.fspec = *argv;
|
|
|
|
mntpath = strdup("/tmp/df.XXXXXX");
|
|
|
|
if (mntpath == NULL) {
|
|
|
|
warn("strdup failed");
|
|
|
|
rv = 1;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
mntpt = mkdtemp(mntpath);
|
|
|
|
if (mntpt == NULL) {
|
|
|
|
warn("mkdtemp(\"%s\") failed", mntpath);
|
|
|
|
rv = 1;
|
|
|
|
free(mntpath);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (mount(fstype, mntpt, MNT_RDONLY,
|
|
|
|
&mdev) != 0) {
|
|
|
|
rv = ufs_df(*argv, maxwidth) || rv;
|
|
|
|
(void)rmdir(mntpt);
|
|
|
|
free(mntpath);
|
|
|
|
continue;
|
|
|
|
} else if (statfs(mntpt, &statfsbuf) == 0) {
|
|
|
|
statfsbuf.f_mntonname[0] = '\0';
|
|
|
|
prtstat(&statfsbuf, maxwidth);
|
|
|
|
} else {
|
|
|
|
warn("%s", *argv);
|
|
|
|
rv = 1;
|
|
|
|
}
|
|
|
|
(void)unmount(mntpt, 0);
|
|
|
|
(void)rmdir(mntpt);
|
|
|
|
free(mntpath);
|
|
|
|
continue;
|
|
|
|
}
|
1994-05-26 06:18:55 +00:00
|
|
|
} else
|
|
|
|
mntpt = *argv;
|
|
|
|
/*
|
|
|
|
* Statfs does not take a `wait' flag, so we cannot
|
|
|
|
* implement nflag here.
|
|
|
|
*/
|
|
|
|
if (statfs(mntpt, &statfsbuf) < 0) {
|
|
|
|
warn("%s", mntpt);
|
1997-10-12 13:55:43 +00:00
|
|
|
rv = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (argc == 1)
|
|
|
|
maxwidth = strlen(statfsbuf.f_mntfromname) + 1;
|
|
|
|
prtstat(&statfsbuf, maxwidth);
|
|
|
|
}
|
1997-10-12 13:55:43 +00:00
|
|
|
return (rv);
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
char *
|
|
|
|
getmntpt(name)
|
|
|
|
char *name;
|
|
|
|
{
|
|
|
|
long mntsize, i;
|
|
|
|
struct statfs *mntbuf;
|
|
|
|
|
|
|
|
mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
|
|
|
|
for (i = 0; i < mntsize; i++) {
|
|
|
|
if (!strcmp(mntbuf[i].f_mntfromname, name))
|
|
|
|
return (mntbuf[i].f_mntonname);
|
|
|
|
}
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make a pass over the filesystem info in ``mntbuf'' filtering out
|
1997-03-13 17:41:37 +00:00
|
|
|
* filesystem types not in vfslist and possibly re-stating to get
|
1994-05-26 06:18:55 +00:00
|
|
|
* current (not cached) info. Returns the new count of valid statfs bufs.
|
|
|
|
*/
|
|
|
|
long
|
1997-03-13 17:41:37 +00:00
|
|
|
regetmntinfo(mntbufp, mntsize, vfslist)
|
1994-05-26 06:18:55 +00:00
|
|
|
struct statfs **mntbufp;
|
1997-03-13 17:41:37 +00:00
|
|
|
long mntsize;
|
|
|
|
char **vfslist;
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
|
|
|
int i, j;
|
|
|
|
struct statfs *mntbuf;
|
|
|
|
|
1997-03-13 17:41:37 +00:00
|
|
|
if (vfslist == NULL)
|
1994-05-26 06:18:55 +00:00
|
|
|
return (nflag ? mntsize : getmntinfo(mntbufp, MNT_WAIT));
|
|
|
|
|
|
|
|
mntbuf = *mntbufp;
|
1997-03-13 17:41:37 +00:00
|
|
|
for (j = 0, i = 0; i < mntsize; i++) {
|
|
|
|
if (checkvfsname(mntbuf[i].f_fstypename, vfslist))
|
|
|
|
continue;
|
|
|
|
if (!nflag)
|
|
|
|
(void)statfs(mntbuf[i].f_mntonname,&mntbuf[j]);
|
|
|
|
else if (i != j)
|
|
|
|
mntbuf[j] = mntbuf[i];
|
|
|
|
j++;
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
return (j);
|
|
|
|
}
|
|
|
|
|
1999-12-15 03:44:09 +00:00
|
|
|
/*
|
|
|
|
* Output in "human-readable" format. Uses 3 digits max and puts
|
|
|
|
* unit suffixes at the end. Makes output compact and easy to read,
|
|
|
|
* especially on huge disks.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
unit_t
|
|
|
|
unit_adjust(val)
|
|
|
|
double *val;
|
|
|
|
{
|
|
|
|
double abval;
|
|
|
|
unit_t unit;
|
|
|
|
unsigned int unit_sz;
|
|
|
|
|
|
|
|
abval = fabs(*val);
|
|
|
|
|
|
|
|
unit_sz = abval ? ilogb(abval) / 10 : 0;
|
|
|
|
|
|
|
|
if (unit_sz >= UNIT_MAX) {
|
|
|
|
unit = NONE;
|
|
|
|
} else {
|
|
|
|
unit = unitp[unit_sz];
|
|
|
|
*val /= (double)valp[unit_sz];
|
|
|
|
}
|
|
|
|
|
|
|
|
return (unit);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
prthuman(sfsp, used)
|
|
|
|
struct statfs *sfsp;
|
|
|
|
long used;
|
|
|
|
{
|
|
|
|
|
|
|
|
prthumanval((double)sfsp->f_blocks * (double)sfsp->f_bsize);
|
|
|
|
prthumanval((double)used * (double)sfsp->f_bsize);
|
|
|
|
prthumanval((double)sfsp->f_bavail * (double)sfsp->f_bsize);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
prthumanval(bytes)
|
|
|
|
double bytes;
|
|
|
|
{
|
|
|
|
|
|
|
|
unit_t unit;
|
|
|
|
unit = unit_adjust(&bytes);
|
|
|
|
|
|
|
|
if (bytes == 0)
|
|
|
|
(void)printf(" 0B");
|
|
|
|
else if (bytes > 10)
|
|
|
|
(void)printf(" %5.0f%c", bytes, "BKMGTPE"[unit]);
|
|
|
|
else
|
|
|
|
(void)printf(" %5.1f%c", bytes, "BKMGTPE"[unit]);
|
|
|
|
}
|
|
|
|
|
1994-05-26 06:18:55 +00:00
|
|
|
/*
|
|
|
|
* Convert statfs returned filesystem size into BLOCKSIZE units.
|
|
|
|
* Attempts to avoid overflow for large filesystems.
|
|
|
|
*/
|
|
|
|
#define fsbtoblk(num, fsbs, bs) \
|
|
|
|
(((fsbs) != 0 && (fsbs) < (bs)) ? \
|
|
|
|
(num) / ((bs) / (fsbs)) : (num) * ((fsbs) / (bs)))
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Print out status about a filesystem.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
prtstat(sfsp, maxwidth)
|
|
|
|
struct statfs *sfsp;
|
|
|
|
int maxwidth;
|
|
|
|
{
|
|
|
|
static long blocksize;
|
|
|
|
static int headerlen, timesthrough;
|
2001-05-20 04:12:30 +00:00
|
|
|
static const char *header;
|
1994-05-26 06:18:55 +00:00
|
|
|
long used, availblks, inodes;
|
|
|
|
|
|
|
|
if (maxwidth < 11)
|
|
|
|
maxwidth = 11;
|
|
|
|
if (++timesthrough == 1) {
|
1999-12-15 03:44:09 +00:00
|
|
|
if (hflag) {
|
|
|
|
header = " Size";
|
|
|
|
headerlen = strlen(header);
|
|
|
|
(void)printf("%-*.*s %-s Used Avail Capacity",
|
|
|
|
maxwidth, maxwidth, "Filesystem", header);
|
|
|
|
} else {
|
|
|
|
header = getbsize(&headerlen, &blocksize);
|
|
|
|
(void)printf("%-*.*s %-s Used Avail Capacity",
|
|
|
|
maxwidth, maxwidth, "Filesystem", header);
|
|
|
|
}
|
1994-05-26 06:18:55 +00:00
|
|
|
if (iflag)
|
|
|
|
(void)printf(" iused ifree %%iused");
|
|
|
|
(void)printf(" Mounted on\n");
|
|
|
|
}
|
|
|
|
(void)printf("%-*.*s", maxwidth, maxwidth, sfsp->f_mntfromname);
|
|
|
|
used = sfsp->f_blocks - sfsp->f_bfree;
|
|
|
|
availblks = sfsp->f_bavail + used;
|
1999-12-15 03:44:09 +00:00
|
|
|
if (hflag) {
|
|
|
|
prthuman(sfsp, used);
|
|
|
|
} else {
|
|
|
|
(void)printf(" %*ld %8ld %8ld", headerlen,
|
|
|
|
fsbtoblk(sfsp->f_blocks, sfsp->f_bsize, blocksize),
|
|
|
|
fsbtoblk(used, sfsp->f_bsize, blocksize),
|
|
|
|
fsbtoblk(sfsp->f_bavail, sfsp->f_bsize, blocksize));
|
|
|
|
}
|
1994-05-26 06:18:55 +00:00
|
|
|
(void)printf(" %5.0f%%",
|
|
|
|
availblks == 0 ? 100.0 : (double)used / (double)availblks * 100.0);
|
|
|
|
if (iflag) {
|
|
|
|
inodes = sfsp->f_files;
|
|
|
|
used = inodes - sfsp->f_ffree;
|
|
|
|
(void)printf(" %7ld %7ld %5.0f%% ", used, sfsp->f_ffree,
|
|
|
|
inodes == 0 ? 100.0 : (double)used / (double)inodes * 100.0);
|
1995-05-30 00:07:29 +00:00
|
|
|
} else
|
1994-05-26 06:18:55 +00:00
|
|
|
(void)printf(" ");
|
|
|
|
(void)printf(" %s\n", sfsp->f_mntonname);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This code constitutes the pre-system call Berkeley df code for extracting
|
|
|
|
* information from filesystem superblocks.
|
|
|
|
*/
|
1997-03-13 17:41:37 +00:00
|
|
|
#include <ufs/ufs/dinode.h>
|
1994-05-26 06:18:55 +00:00
|
|
|
#include <ufs/ffs/fs.h>
|
|
|
|
#include <errno.h>
|
|
|
|
#include <fstab.h>
|
|
|
|
|
|
|
|
union {
|
|
|
|
struct fs iu_fs;
|
|
|
|
char dummy[SBSIZE];
|
|
|
|
} sb;
|
|
|
|
#define sblock sb.iu_fs
|
|
|
|
|
|
|
|
int rfd;
|
|
|
|
|
1997-10-12 13:55:43 +00:00
|
|
|
int
|
1994-05-26 06:18:55 +00:00
|
|
|
ufs_df(file, maxwidth)
|
|
|
|
char *file;
|
|
|
|
int maxwidth;
|
|
|
|
{
|
|
|
|
struct statfs statfsbuf;
|
|
|
|
struct statfs *sfsp;
|
2001-05-20 04:12:30 +00:00
|
|
|
const char *mntpt;
|
1994-05-26 06:18:55 +00:00
|
|
|
static int synced;
|
|
|
|
|
|
|
|
if (synced++ == 0)
|
|
|
|
sync();
|
|
|
|
|
|
|
|
if ((rfd = open(file, O_RDONLY)) < 0) {
|
|
|
|
warn("%s", file);
|
1997-10-13 09:36:05 +00:00
|
|
|
return (1);
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
if (bread((off_t)SBOFF, &sblock, SBSIZE) == 0) {
|
|
|
|
(void)close(rfd);
|
1997-10-13 09:36:05 +00:00
|
|
|
return (1);
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
sfsp = &statfsbuf;
|
1997-03-13 17:41:37 +00:00
|
|
|
sfsp->f_type = 1;
|
|
|
|
strcpy(sfsp->f_fstypename, "ufs");
|
1994-05-26 06:18:55 +00:00
|
|
|
sfsp->f_flags = 0;
|
|
|
|
sfsp->f_bsize = sblock.fs_fsize;
|
|
|
|
sfsp->f_iosize = sblock.fs_bsize;
|
|
|
|
sfsp->f_blocks = sblock.fs_dsize;
|
|
|
|
sfsp->f_bfree = sblock.fs_cstotal.cs_nbfree * sblock.fs_frag +
|
|
|
|
sblock.fs_cstotal.cs_nffree;
|
1996-01-14 18:55:09 +00:00
|
|
|
sfsp->f_bavail = freespace(&sblock, sblock.fs_minfree);
|
1994-05-26 06:18:55 +00:00
|
|
|
sfsp->f_files = sblock.fs_ncg * sblock.fs_ipg;
|
|
|
|
sfsp->f_ffree = sblock.fs_cstotal.cs_nifree;
|
|
|
|
sfsp->f_fsid.val[0] = 0;
|
|
|
|
sfsp->f_fsid.val[1] = 0;
|
|
|
|
if ((mntpt = getmntpt(file)) == 0)
|
|
|
|
mntpt = "";
|
2001-05-20 04:12:30 +00:00
|
|
|
memmove(&sfsp->f_mntonname[0], mntpt, (size_t)MNAMELEN);
|
|
|
|
memmove(&sfsp->f_mntfromname[0], file, (size_t)MNAMELEN);
|
1994-05-26 06:18:55 +00:00
|
|
|
prtstat(sfsp, maxwidth);
|
|
|
|
(void)close(rfd);
|
1997-10-13 09:36:05 +00:00
|
|
|
return (0);
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
bread(off, buf, cnt)
|
|
|
|
off_t off;
|
|
|
|
void *buf;
|
|
|
|
int cnt;
|
|
|
|
{
|
2001-05-20 04:12:30 +00:00
|
|
|
ssize_t nr;
|
1994-05-26 06:18:55 +00:00
|
|
|
|
|
|
|
(void)lseek(rfd, off, SEEK_SET);
|
2001-05-20 04:12:30 +00:00
|
|
|
if ((nr = read(rfd, buf, (size_t)cnt)) != (ssize_t)cnt) {
|
1994-05-26 06:18:55 +00:00
|
|
|
/* Probably a dismounted disk if errno == EIO. */
|
|
|
|
if (errno != EIO)
|
2001-05-20 04:12:30 +00:00
|
|
|
(void)fprintf(stderr, "\ndf: %lld: %s\n",
|
|
|
|
(long long)off, strerror(nr > 0 ? EIO : errno));
|
1994-05-26 06:18:55 +00:00
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
usage()
|
|
|
|
{
|
1999-12-15 03:44:09 +00:00
|
|
|
|
1997-03-13 17:41:37 +00:00
|
|
|
(void)fprintf(stderr,
|
2001-06-04 23:07:15 +00:00
|
|
|
"usage: df [-b | -H | -h | -k | -m | -P] [-ailn] [-t type] [file | filesystem ...]\n");
|
1999-12-15 03:44:09 +00:00
|
|
|
exit(EX_USAGE);
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
2001-06-04 23:07:15 +00:00
|
|
|
|
2001-07-16 15:49:58 +00:00
|
|
|
char *
|
|
|
|
makenetvfslist()
|
2001-06-04 23:07:15 +00:00
|
|
|
{
|
|
|
|
char *str, *strptr, **listptr;
|
2001-06-05 21:16:27 +00:00
|
|
|
int mib[3], maxvfsconf, cnt=0, i;
|
|
|
|
size_t miblen;
|
2001-06-04 23:07:15 +00:00
|
|
|
struct ovfsconf *ptr;
|
|
|
|
|
|
|
|
mib[0] = CTL_VFS; mib[1] = VFS_GENERIC; mib[2] = VFS_MAXTYPENUM;
|
|
|
|
miblen=sizeof(maxvfsconf);
|
2001-06-05 21:55:57 +00:00
|
|
|
if (sysctl(mib, (unsigned int)(sizeof(mib) / sizeof(mib[0])),
|
|
|
|
&maxvfsconf, &miblen, NULL, 0)) {
|
2001-06-04 23:07:15 +00:00
|
|
|
warnx("sysctl failed");
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
2001-07-16 15:49:58 +00:00
|
|
|
if ((listptr = malloc(sizeof(char*) * maxvfsconf)) == NULL) {
|
2001-06-04 23:07:15 +00:00
|
|
|
warnx("malloc failed");
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
2001-07-16 15:49:58 +00:00
|
|
|
for (ptr = getvfsent(); ptr; ptr = getvfsent())
|
2001-06-04 23:07:15 +00:00
|
|
|
if (ptr->vfc_flags & VFCF_NETWORK) {
|
2001-07-16 15:49:58 +00:00
|
|
|
listptr[cnt++] = strdup(ptr->vfc_name);
|
|
|
|
if (listptr[cnt-1] == NULL) {
|
2001-06-04 23:07:15 +00:00
|
|
|
warnx("malloc failed");
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2001-07-16 15:49:58 +00:00
|
|
|
if ((str = malloc(sizeof(char) * (32 * cnt + cnt + 2))) == NULL) {
|
2001-06-04 23:07:15 +00:00
|
|
|
warnx("malloc failed");
|
|
|
|
free(listptr);
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
2001-07-16 15:49:58 +00:00
|
|
|
*str = 'n'; *(str + 1) = 'o';
|
|
|
|
for (i = 0, strptr = str + 2; i < cnt; i++, strptr++) {
|
|
|
|
strncpy(strptr, listptr[i], 32);
|
|
|
|
strptr += strlen(listptr[i]);
|
|
|
|
*strptr = ',';
|
2001-06-04 23:07:15 +00:00
|
|
|
free(listptr[i]);
|
|
|
|
}
|
|
|
|
*(--strptr) = NULL;
|
|
|
|
|
|
|
|
free(listptr);
|
|
|
|
return (str);
|
|
|
|
}
|