[unix-history] / usr / src / bin / df / df.c

/*
 * Copyright (c) 1980 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980 The Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)df.c	5.19 (Berkeley) %G%";
#endif /* not lint */

/*
 * df
 */
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/mount.h>
#include <sys/file.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

char	*getmntpt();
int	iflag, kflag, nflag;
#ifdef COMPAT_43
int	oflag;
#endif /* COMPAT_43 */

main(argc, argv)
	int argc;
	char **argv;
{
	extern int errno, optind;
	int err, ch, i;
	long width, maxwidth, mntsize, getmntinfo();
	char *mntpt, *mktemp();
	struct stat stbuf;
	struct statfs statfsbuf, *mntbuf;
	struct ufs_args mdev;

	while ((ch = getopt(argc, argv, "ikon")) != EOF)
		switch(ch) {
		case 'i':
			iflag = 1;
			break;
		case 'k':
			kflag = 1;
			break;
		case 'n':
			nflag = 1;
			break;
#ifdef COMPAT_43
		case 'o':
			oflag = 1;
			break;
#endif /* COMPAT_43 */
		case '?':
		default:
			fprintf(stderr,
			    "usage: df [-ikn] [file | file_system ...]\n");
			exit(1);
		}
	argc -= optind;
	argv += optind;

	mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
	maxwidth = 0;
	for (i = 0; i < mntsize; i++) {
		width = strlen(mntbuf[i].f_mntfromname);
		if (width > maxwidth)
			maxwidth = width;
	}
#ifdef COMPAT_43
	if (oflag) {
		olddf(argv, maxwidth);
		exit(0);
	}
#endif /* COMPAT_43 */
	if (!*argv) {
		mntsize = getmntinfo(&mntbuf, (nflag ? MNT_NOWAIT : MNT_WAIT));
		for (i = 0; i < mntsize; i++)
			prtstat(&mntbuf[i], maxwidth);
		exit(0);
	}
	for (; *argv; argv++) {
		if (stat(*argv, &stbuf) < 0) {
			err = errno;
			if ((mntpt = getmntpt(*argv)) == 0) {
				fprintf(stderr, "df: %s: %s\n", *argv,
				    strerror(err));
				continue;
			}
		} else if ((stbuf.st_mode & S_IFMT) == S_IFBLK) {
			if ((mntpt = getmntpt(*argv)) == 0) {
				mntpt = mktemp("/tmp/df.XXXXXX");
				mdev.fspec = *argv;
				if (!mkdir(mntpt) &&
				    !mount(MOUNT_UFS, mntpt, MNT_RDONLY, &mdev) &&
				    !statfs(mntpt, &statfsbuf)) {
					statfsbuf.f_mntonname[0] = '\0';
					prtstat(&statfsbuf, maxwidth);
				} else
					fprintf(stderr, "df: %s: %s\n",
					    *argv, strerror(errno));
				(void)unmount(mntpt, MNT_NOFORCE);
				(void)rmdir(mntpt);
				continue;
			}
		} else
			mntpt = *argv;
		/*
		 * Statfs does not take a `wait' flag, so we cannot
		 * implement nflag here.
		 */
		if (statfs(mntpt, &statfsbuf) < 0) {
			fprintf(stderr,
			    "df: %s: %s\n", mntpt, strerror(errno));
			continue;
		}
		if (argc == 1)
			maxwidth = strlen(statfsbuf.f_mntfromname) + 1;
		prtstat(&statfsbuf, maxwidth);
	}
	exit(0);
}

char *
getmntpt(name)
	char *name;
{
	long mntsize, i;
	struct statfs *mntbuf;

	mntsize = getmntinfo(&mntbuf, (nflag ? MNT_NOWAIT : MNT_WAIT));
	for (i = 0; i < mntsize; i++) {
		if (!strcmp(mntbuf[i].f_mntfromname, name))
			return (mntbuf[i].f_mntonname);
	}
	return (0);
}

/*
 * Print out status about a filesystem.
 */
prtstat(sfsp, maxwidth)
	register struct statfs *sfsp;
	long maxwidth;
{
	long used, availblks, inodes;
	static int timesthrough;

	if (maxwidth < 11)
		maxwidth = 11;
	if (++timesthrough == 1) {
		printf("%-*.*s%s    used   avail capacity",
		    maxwidth, maxwidth, "Filesystem",
		    kflag ? "  kbytes" : "512-blks");
		if (iflag)
			printf(" iused   ifree  %%iused");
		printf("  Mounted on\n");
	}
	printf("%-*.*s", maxwidth, maxwidth, sfsp->f_mntfromname);
	used = sfsp->f_blocks - sfsp->f_bfree;
	availblks = sfsp->f_bavail + used;
	printf("%8ld%8ld%8ld",
	    sfsp->f_blocks * sfsp->f_fsize / (kflag ? 1024 : 512),
	    used * sfsp->f_fsize / (kflag ? 1024 : 512),
	    sfsp->f_bavail * sfsp->f_fsize / (kflag ? 1024 : 512));
	printf("%6.0f%%",
	    availblks == 0 ? 100.0 : (double)used / (double)availblks * 100.0);
	if (iflag) {
		inodes = sfsp->f_files;
		used = inodes - sfsp->f_ffree;
		printf("%8ld%8ld%6.0f%% ", used, sfsp->f_ffree,
		   inodes == 0 ? 100.0 : (double)used / (double)inodes * 100.0);
	} else 
		printf("  ");
	printf("  %s\n", sfsp->f_mntonname);
}

#ifdef COMPAT_43
/*
 * This code constitutes the old df code for extracting
 * information from filesystem superblocks.
 */
#include <ufs/fs.h>
#include <errno.h>
#include <fstab.h>

char	root[MAXPATHLEN];

union {
	struct fs iu_fs;
	char dummy[SBSIZE];
} sb;
#define sblock sb.iu_fs

int	fi;
char	*strcpy();

olddf(argv, maxwidth)
	char *argv[];
	long maxwidth;
{
	struct fstab *fsp;

	sync();
	if (!*argv) {
		if (setfsent() == 0)
			perror(_PATH_FSTAB), exit(1);
		while (fsp = getfsent()) {
			if (strcmp(fsp->fs_type, FSTAB_RW) &&
			    strcmp(fsp->fs_type, FSTAB_RO) &&
			    strcmp(fsp->fs_type, FSTAB_RQ))
				continue;
			if (root[0] == 0)
				(void) strcpy(root, fsp->fs_spec);
			dfree(fsp->fs_spec, 1, maxwidth);
		}
		(void)endfsent();
		exit(0);
	}
	while (*argv)
		dfree(*argv++, 0, maxwidth);
	exit(0);
}

dfree(file, infsent, maxwidth)
	char *file;
	int infsent;
	long maxwidth;
{
	extern int errno;
	struct stat stbuf;
	struct statfs statfsbuf;
	register struct statfs *sfsp;
	struct fstab *fsp;
	char *mntpt;

	if (stat(file, &stbuf) == 0 &&
	    (stbuf.st_mode&S_IFMT) != S_IFCHR &&
	    (stbuf.st_mode&S_IFMT) != S_IFBLK) {
		if (infsent) {
			fprintf(stderr, "df: %s: screwy fstab entry\n", file);
			return;
		}
		(void)setfsent();
		while (fsp = getfsent()) {
			struct stat stb;

			if (stat(fsp->fs_spec, &stb) == 0 &&
			    stb.st_rdev == stbuf.st_dev) {
				file = fsp->fs_spec;
				(void)endfsent();
				goto found;
			}
		}
		(void)endfsent();
		fprintf(stderr, "df: %s: mounted on unknown device\n", file);
		return;
	}
found:
	if ((fi = open(file, O_RDONLY)) < 0) {
		fprintf(stderr, "df: %s: %s\n", file, strerror(errno));
		return;
	}
	if (bread((long)SBOFF, (char *)&sblock, SBSIZE) == 0) {
		(void) close(fi);
		return;
	}
	sfsp = &statfsbuf;
	sfsp->f_type = MOUNT_UFS;
	sfsp->f_flags = 0;
	sfsp->f_fsize = sblock.fs_fsize;
	sfsp->f_bsize = 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;
	sfsp->f_bavail = (sblock.fs_dsize * (100 - sblock.fs_minfree) / 100) -
		(sblock.fs_dsize - sfsp->f_bfree);
	if (sfsp->f_bavail < 0)
		sfsp->f_bavail = 0;
	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 = "";
	bcopy((caddr_t)mntpt, (caddr_t)&sfsp->f_mntonname[0], MNAMELEN);
	bcopy((caddr_t)file, (caddr_t)&sfsp->f_mntfromname[0], MNAMELEN);
	prtstat(sfsp, maxwidth);
	(void) close(fi);
}

long lseek();

bread(off, buf, cnt)
	long off;
	char *buf;
{
	int n;
	extern errno;

	(void) lseek(fi, off, SEEK_SET);
	if ((n=read(fi, buf, cnt)) != cnt) {
		/* probably a dismounted disk if errno == EIO */
		if (errno != EIO) {
			printf("\nread error off = %ld\n", off);
			printf("count = %d; errno = %d\n", n, errno);
		}
		return (0);
	}
	return (1);
}
#endif /* COMPAT_43 */
Commit	Line	Data
bcf1365c	1	/*
704aadd2 KM	2	* Copyright (c) 1980 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
	6	* provided that the above copyright notice and this paragraph are
	7	* duplicated in all such forms and that any documentation,
	8	* advertising materials, and other materials related to such
	9	* distribution and use acknowledge that the software was developed
	10	* by the University of California, Berkeley. The name of the
	11	* University may not be used to endorse or promote products derived
	12	* from this software without specific prior written permission.
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	15	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
bcf1365c DF	16	*/
	17
	18	#ifndef lint
	19	char copyright[] =
704aadd2	20	"@(#) Copyright (c) 1980 The Regents of the University of California.\n\
bcf1365c	21	All rights reserved.\n";
7e8aa4e0	22	#endif /* not lint */
bcf1365c	23
97dd7000	24	#ifndef lint
6ebcb998	25	static char sccsid[] = "@(#)df.c 5.19 (Berkeley) %G%";
7e8aa4e0	26	#endif /* not lint */
a98f5f82	27
8d335f7d BJ	28	/*
	29	* df
	30	*/
fc2797e7	31	#include <sys/param.h>
1e568652	32	#include <sys/stat.h>
704aadd2	33	#include <sys/mount.h>
fc2797e7 KB	34	#include <sys/file.h>
fc2797e7 KB	35	#include <stdio.h>
6ebcb998	36	#include <string.h>
fc2797e7	37	#include <unistd.h>
c7b72342	38
1e568652	39	char *getmntpt();
93e6cf82	40	int iflag, kflag, nflag;
704aadd2 KM	41	#ifdef COMPAT_43
	42	int oflag;
	43	#endif /* COMPAT_43 */
c7b72342 BJ	44
c7b72342 BJ	45	main(argc, argv)
a98f5f82 BJ	46	int argc;
a98f5f82 BJ	47	char **argv;
c7b72342	48	{
dbdc06d4	49	extern int errno, optind;
cf537218	50	int err, ch, i;
b6f929c6	51	long width, maxwidth, mntsize, getmntinfo();
fc2797e7	52	char mntpt, mktemp();
1e568652	53	struct stat stbuf;
704aadd2	54	struct statfs statfsbuf, *mntbuf;
439847aa	55	struct ufs_args mdev;
c7b72342	56
93e6cf82	57	while ((ch = getopt(argc, argv, "ikon")) != EOF)
dbdc06d4	58	switch(ch) {
8a7d0cad	59	case 'i':
fc2797e7 KB	60	iflag = 1;
	61	break;
	62	case 'k':
	63	kflag = 1;
8a7d0cad	64	break;
93e6cf82 KM	65	case 'n':
	66	nflag = 1;
	67	break;
704aadd2 KM	68	#ifdef COMPAT_43
704aadd2 KM	69	case 'o':
fc2797e7	70	oflag = 1;
704aadd2 KM	71	break;
704aadd2 KM	72	#endif /* COMPAT_43 */
dbdc06d4	73	case '?':
8a7d0cad	74	default:
fc2797e7	75	fprintf(stderr,
93e6cf82	76	"usage: df [-ikn] [file \| file_system ...]\n");
dbdc06d4	77	exit(1);
8a7d0cad	78	}
dbdc06d4 KB	79	argc -= optind;
	80	argv += optind;
	81
b6f929c6 KM	82	mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
	83	maxwidth = 0;
	84	for (i = 0; i < mntsize; i++) {
	85	width = strlen(mntbuf[i].f_mntfromname);
	86	if (width > maxwidth)
	87	maxwidth = width;
	88	}
704aadd2 KM	89	#ifdef COMPAT_43
704aadd2 KM	90	if (oflag) {
b6f929c6	91	olddf(argv, maxwidth);
704aadd2 KM	92	exit(0);
	93	}
	94	#endif /* COMPAT_43 */
	95	if (!*argv) {
93e6cf82	96	mntsize = getmntinfo(&mntbuf, (nflag ? MNT_NOWAIT : MNT_WAIT));
704aadd2	97	for (i = 0; i < mntsize; i++)
b6f929c6	98	prtstat(&mntbuf[i], maxwidth);
704aadd2 KM	99	exit(0);
	100	}
	101	for (; *argv; argv++) {
1e568652	102	if (stat(*argv, &stbuf) < 0) {
cf537218 KM	103	err = errno;
cf537218 KM	104	if ((mntpt = getmntpt(*argv)) == 0) {
fc2797e7 KB	105	fprintf(stderr, "df: %s: %s\n", *argv,
fc2797e7 KB	106	strerror(err));
1e568652	107	continue;
cf537218	108	}
1e568652	109	} else if ((stbuf.st_mode & S_IFMT) == S_IFBLK) {
819bc686	110	if ((mntpt = getmntpt(*argv)) == 0) {
93e6cf82	111	mntpt = mktemp("/tmp/df.XXXXXX");
439847aa KM	112	mdev.fspec = *argv;
439847aa KM	113	if (!mkdir(mntpt) &&
5750dd3d	114	!mount(MOUNT_UFS, mntpt, MNT_RDONLY, &mdev) &&
439847aa KM	115	!statfs(mntpt, &statfsbuf)) {
439847aa KM	116	statfsbuf.f_mntonname[0] = '\0';
b6f929c6	117	prtstat(&statfsbuf, maxwidth);
fc2797e7 KB	118	} else
	119	fprintf(stderr, "df: %s: %s\n",
	120	*argv, strerror(errno));
adc92dc2	121	(void)unmount(mntpt, MNT_NOFORCE);
fc2797e7	122	(void)rmdir(mntpt);
1e568652	123	continue;
819bc686	124	}
1e568652 KM	125	} else
1e568652 KM	126	mntpt = *argv;
93e6cf82 KM	127	/*
	128	* Statfs does not take a `wait' flag, so we cannot
	129	* implement nflag here.
	130	*/
1e568652	131	if (statfs(mntpt, &statfsbuf) < 0) {
fc2797e7 KB	132	fprintf(stderr,
fc2797e7 KB	133	"df: %s: %s\n", mntpt, strerror(errno));
704aadd2 KM	134	continue;
704aadd2 KM	135	}
b6f929c6 KM	136	if (argc == 1)
	137	maxwidth = strlen(statfsbuf.f_mntfromname) + 1;
	138	prtstat(&statfsbuf, maxwidth);
704aadd2 KM	139	}
	140	exit(0);
	141	}
	142
1e568652 KM	143	char *
	144	getmntpt(name)
	145	char *name;
	146	{
	147	long mntsize, i;
	148	struct statfs *mntbuf;
	149
93e6cf82	150	mntsize = getmntinfo(&mntbuf, (nflag ? MNT_NOWAIT : MNT_WAIT));
1e568652 KM	151	for (i = 0; i < mntsize; i++) {
	152	if (!strcmp(mntbuf[i].f_mntfromname, name))
	153	return (mntbuf[i].f_mntonname);
	154	}
	155	return (0);
	156	}
	157
704aadd2 KM	158	/*
	159	* Print out status about a filesystem.
	160	*/
b6f929c6	161	prtstat(sfsp, maxwidth)
704aadd2	162	register struct statfs *sfsp;
b6f929c6	163	long maxwidth;
704aadd2 KM	164	{
704aadd2 KM	165	long used, availblks, inodes;
b6f929c6	166	static int timesthrough;
704aadd2	167
b6f929c6 KM	168	if (maxwidth < 11)
	169	maxwidth = 11;
	170	if (++timesthrough == 1) {
	171	printf("%-.s%s used avail capacity",
	172	maxwidth, maxwidth, "Filesystem",
	173	kflag ? " kbytes" : "512-blks");
	174	if (iflag)
	175	printf(" iused ifree %%iused");
	176	printf(" Mounted on\n");
	177	}
	178	printf("%-.s", maxwidth, maxwidth, sfsp->f_mntfromname);
704aadd2 KM	179	used = sfsp->f_blocks - sfsp->f_bfree;
704aadd2 KM	180	availblks = sfsp->f_bavail + used;
fc2797e7 KB	181	printf("%8ld%8ld%8ld",
	182	sfsp->f_blocks * sfsp->f_fsize / (kflag ? 1024 : 512),
	183	used * sfsp->f_fsize / (kflag ? 1024 : 512),
	184	sfsp->f_bavail * sfsp->f_fsize / (kflag ? 1024 : 512));
704aadd2 KM	185	printf("%6.0f%%",
	186	availblks == 0 ? 100.0 : (double)used / (double)availblks * 100.0);
	187	if (iflag) {
	188	inodes = sfsp->f_files;
	189	used = inodes - sfsp->f_ffree;
	190	printf("%8ld%8ld%6.0f%% ", used, sfsp->f_ffree,
	191	inodes == 0 ? 100.0 : (double)used / (double)inodes * 100.0);
	192	} else
	193	printf(" ");
	194	printf(" %s\n", sfsp->f_mntonname);
	195	}
	196
	197	#ifdef COMPAT_43
	198	/*
	199	* This code constitutes the old df code for extracting
	200	* information from filesystem superblocks.
	201	*/
704aadd2	202	#include <ufs/fs.h>
704aadd2 KM	203	#include <errno.h>
704aadd2 KM	204	#include <fstab.h>
704aadd2	205
fc2797e7	206	char root[MAXPATHLEN];
704aadd2 KM	207
	208	union {
	209	struct fs iu_fs;
	210	char dummy[SBSIZE];
	211	} sb;
	212	#define sblock sb.iu_fs
	213
	214	int fi;
	215	char *strcpy();
	216
b6f929c6	217	olddf(argv, maxwidth)
704aadd2	218	char *argv[];
b6f929c6	219	long maxwidth;
704aadd2 KM	220	{
704aadd2 KM	221	struct fstab *fsp;
704aadd2	222
dda19894	223	sync();
dbdc06d4	224	if (!*argv) {
8d335f7d	225	if (setfsent() == 0)
3b72df1c	226	perror(_PATH_FSTAB), exit(1);
a98f5f82	227	while (fsp = getfsent()) {
1f65a82f	228	if (strcmp(fsp->fs_type, FSTAB_RW) &&
351ef297 SL	229	strcmp(fsp->fs_type, FSTAB_RO) &&
351ef297 SL	230	strcmp(fsp->fs_type, FSTAB_RQ))
f0861f40	231	continue;
c7b72342	232	if (root[0] == 0)
f4d092e2	233	(void) strcpy(root, fsp->fs_spec);
b6f929c6	234	dfree(fsp->fs_spec, 1, maxwidth);
c7b72342	235	}
6c5c8ac3	236	(void)endfsent();
c7b72342 BJ	237	exit(0);
c7b72342 BJ	238	}
dbdc06d4	239	while (*argv)
b6f929c6	240	dfree(*argv++, 0, maxwidth);
704aadd2	241	exit(0);
c7b72342 BJ	242	}
c7b72342 BJ	243
b6f929c6	244	dfree(file, infsent, maxwidth)
a98f5f82 BJ	245	char *file;
a98f5f82 BJ	246	int infsent;
b6f929c6	247	long maxwidth;
c7b72342	248	{
dbdc06d4	249	extern int errno;
a98f5f82	250	struct stat stbuf;
704aadd2 KM	251	struct statfs statfsbuf;
704aadd2 KM	252	register struct statfs *sfsp;
a98f5f82	253	struct fstab *fsp;
fc2797e7	254	char *mntpt;
a98f5f82 BJ	255
	256	if (stat(file, &stbuf) == 0 &&
	257	(stbuf.st_mode&S_IFMT) != S_IFCHR &&
	258	(stbuf.st_mode&S_IFMT) != S_IFBLK) {
	259	if (infsent) {
fc2797e7	260	fprintf(stderr, "df: %s: screwy fstab entry\n", file);
8d335f7d BJ	261	return;
8d335f7d BJ	262	}
6c5c8ac3	263	(void)setfsent();
a98f5f82 BJ	264	while (fsp = getfsent()) {
	265	struct stat stb;
	266
	267	if (stat(fsp->fs_spec, &stb) == 0 &&
	268	stb.st_rdev == stbuf.st_dev) {
	269	file = fsp->fs_spec;
6c5c8ac3	270	(void)endfsent();
a98f5f82 BJ	271	goto found;
	272	}
	273	}
6c5c8ac3	274	(void)endfsent();
fc2797e7	275	fprintf(stderr, "df: %s: mounted on unknown device\n", file);
a98f5f82	276	return;
8d335f7d	277	}
a98f5f82	278	found:
fc2797e7	279	if ((fi = open(file, O_RDONLY)) < 0) {
dbdc06d4	280	fprintf(stderr, "df: %s: %s\n", file, strerror(errno));
c7b72342 BJ	281	return;
c7b72342 BJ	282	}
6c5c8ac3	283	if (bread((long)SBOFF, (char *)&sblock, SBSIZE) == 0) {
f5064bf4 RC	284	(void) close(fi);
	285	return;
	286	}
704aadd2 KM	287	sfsp = &statfsbuf;
	288	sfsp->f_type = MOUNT_UFS;
	289	sfsp->f_flags = 0;
	290	sfsp->f_fsize = sblock.fs_fsize;
	291	sfsp->f_bsize = sblock.fs_bsize;
	292	sfsp->f_blocks = sblock.fs_dsize;
	293	sfsp->f_bfree = sblock.fs_cstotal.cs_nbfree * sblock.fs_frag +
	294	sblock.fs_cstotal.cs_nffree;
	295	sfsp->f_bavail = (sblock.fs_dsize * (100 - sblock.fs_minfree) / 100) -
	296	(sblock.fs_dsize - sfsp->f_bfree);
	297	if (sfsp->f_bavail < 0)
	298	sfsp->f_bavail = 0;
	299	sfsp->f_files = sblock.fs_ncg * sblock.fs_ipg;
	300	sfsp->f_ffree = sblock.fs_cstotal.cs_nifree;
	301	sfsp->f_fsid.val[0] = 0;
	302	sfsp->f_fsid.val[1] = 0;
1e568652 KM	303	if ((mntpt = getmntpt(file)) == 0)
	304	mntpt = "";
	305	bcopy((caddr_t)mntpt, (caddr_t)&sfsp->f_mntonname[0], MNAMELEN);
704aadd2	306	bcopy((caddr_t)file, (caddr_t)&sfsp->f_mntfromname[0], MNAMELEN);
b6f929c6	307	prtstat(sfsp, maxwidth);
f4d092e2	308	(void) close(fi);
c7b72342 BJ	309	}
c7b72342 BJ	310
f4d092e2 KM	311	long lseek();
f4d092e2 KM	312
6c5c8ac3 KM	313	bread(off, buf, cnt)
6c5c8ac3 KM	314	long off;
a98f5f82	315	char *buf;
c7b72342 BJ	316	{
	317	int n;
	318	extern errno;
	319
fc2797e7	320	(void) lseek(fi, off, SEEK_SET);
a98f5f82	321	if ((n=read(fi, buf, cnt)) != cnt) {
f5064bf4 RC	322	/* probably a dismounted disk if errno == EIO */
f5064bf4 RC	323	if (errno != EIO) {
6c5c8ac3	324	printf("\nread error off = %ld\n", off);
f5064bf4 RC	325	printf("count = %d; errno = %d\n", n, errno);
	326	}
	327	return (0);
c7b72342	328	}
f5064bf4	329	return (1);
c7b72342	330	}
704aadd2	331	#endif /* COMPAT_43 */