sbin/newfs_msdos: sync with NetBSD-8
Allow 0 timestamp. Grammar fixes. Use the create_size if given to compute the real size instead of stat'ing the file again, which might have been larger to start with. Document history. closes #274 Change-Id: Ibf881f22f351c7a17488b24a05c2110be1d65ae0
This commit is contained in:
Sevan Janiyan
Lionel Sambuc
parent
609f541dd3
commit
25d017aa13
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: mkfs_msdos.c,v 1.9 2014/01/05 12:52:39 martin Exp $ */
|
||||
/* $NetBSD: mkfs_msdos.c,v 1.13 2017/04/14 15:39:29 christos Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1998 Robert Nordier
|
||||
@ -37,7 +37,7 @@
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD: src/sbin/newfs_msdos/newfs_msdos.c,v 1.15 2000/10/10 01:49:37 wollman Exp $";
|
||||
#else
|
||||
__RCSID("$NetBSD: mkfs_msdos.c,v 1.9 2014/01/05 12:52:39 martin Exp $");
|
||||
__RCSID("$NetBSD: mkfs_msdos.c,v 1.13 2017/04/14 15:39:29 christos Exp $");
|
||||
#endif
|
||||
#endif /* not lint */
|
||||
|
||||
@ -235,7 +235,7 @@ static int got_siginfo = 0; /* received a SIGINFO */
|
||||
static int check_mounted(const char *, mode_t);
|
||||
#endif
|
||||
static int getstdfmt(const char *, struct bpb *);
|
||||
static int getbpbinfo(int, const char *, const char *, int, struct bpb *, int);
|
||||
static int getbpbinfo(int, const char *, const char *, int, struct bpb *, off_t);
|
||||
static void print_bpb(struct bpb *);
|
||||
static int ckgeom(const char *, u_int, const char *);
|
||||
static int oklabel(const char *);
|
||||
@ -331,20 +331,30 @@ mkfs_msdos(const char *fname, const char *dtype, const struct msdos_options *op)
|
||||
if (!(o.floppy || (o.drive_heads && o.sectors_per_track &&
|
||||
o.bytes_per_sector && o.size && o.hidden_sectors_set))) {
|
||||
if (getbpbinfo(fd, fname, dtype, o.hidden_sectors_set, &bpb,
|
||||
o.create_size != 0) == -1)
|
||||
o.create_size) == -1)
|
||||
return -1;
|
||||
bpb.bsec -= (o.offset / bpb.bps);
|
||||
if (bpb.spc == 0) { /* set defaults */
|
||||
if (bpb.bsec <= 6000) /* about 3MB -> 512 bytes */
|
||||
bpb.spc = 1;
|
||||
else if (bpb.bsec <= (1<<17)) /* 64M -> 4k */
|
||||
bpb.spc = 8;
|
||||
else if (bpb.bsec <= (1<<19)) /* 256M -> 8k */
|
||||
bpb.spc = 16;
|
||||
else if (bpb.bsec <= (1<<21)) /* 1G -> 16k */
|
||||
bpb.spc = 32;
|
||||
else
|
||||
bpb.spc = 64; /* otherwise 32k */
|
||||
/* minimum cluster size */
|
||||
switch (o.fat_type) {
|
||||
case 12:
|
||||
bpb.spc = 1; /* use 512 bytes */
|
||||
x = 2; /* up to 2MB */
|
||||
break;
|
||||
case 16:
|
||||
bpb.spc = 1; /* use 512 bytes */
|
||||
x = 32; /* up to 32MB */
|
||||
break;
|
||||
default:
|
||||
bpb.spc = 8; /* use 4k */
|
||||
x = 8192; /* up to 8GB */
|
||||
break;
|
||||
}
|
||||
x1 = howmany(bpb.bsec, (1048576 / 512)); /* -> MB */
|
||||
while (bpb.spc < 128 && x < x1) {
|
||||
x *= 2;
|
||||
bpb.spc *= 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -611,9 +621,15 @@ mkfs_msdos(const char *fname, const char *dtype, const struct msdos_options *op)
|
||||
printf("MBR type: %d\n", ch);
|
||||
print_bpb(&bpb);
|
||||
if (!o.no_create) {
|
||||
if (o.timestamp_set) {
|
||||
tv.tv_sec = now = o.timestamp;
|
||||
tv.tv_usec = 0;
|
||||
tm = gmtime(&now);
|
||||
} else {
|
||||
gettimeofday(&tv, NULL);
|
||||
now = tv.tv_sec;
|
||||
tm = localtime(&now);
|
||||
}
|
||||
if (!(img = malloc(bpb.bps)))
|
||||
err(1, NULL);
|
||||
dir = bpb.res + (bpb.spf ? bpb.spf : bpb.bspf) * bpb.nft;
|
||||
@ -801,7 +817,7 @@ getstdfmt(const char *fmt, struct bpb *bpb)
|
||||
*/
|
||||
static int
|
||||
getbpbinfo(int fd, const char *fname, const char *dtype, int iflag,
|
||||
struct bpb *bpb, int create)
|
||||
struct bpb *bpb, off_t create_size)
|
||||
{
|
||||
const char *s1, *s2;
|
||||
int part;
|
||||
@ -819,26 +835,31 @@ getbpbinfo(int fd, const char *fname, const char *dtype, int iflag,
|
||||
|
||||
#ifndef MAKEFS
|
||||
int maxpartitions = getmaxpartitions();
|
||||
struct disk_geom geo;
|
||||
struct dkwedge_info dkw;
|
||||
|
||||
// XXX: Does not work with wedges
|
||||
if (s2 && *s2 >= 'a' && *s2 <= 'a' + maxpartitions - 1) {
|
||||
part = *s2++ - 'a';
|
||||
}
|
||||
#endif
|
||||
if (((part != -1) && ((!iflag && part != -1) || !bpb->bsec)) ||
|
||||
!bpb->bps || !bpb->spt || !bpb->hds) {
|
||||
u_int sector_size;
|
||||
u_int nsectors;
|
||||
u_int ntracks;
|
||||
u_int size;
|
||||
#ifndef MAKEFS
|
||||
struct disk_geom geo;
|
||||
struct dkwedge_info dkw;
|
||||
|
||||
if (!create && getdiskinfo(fname, fd, NULL, &geo, &dkw) != -1) {
|
||||
sector_size = geo.dg_secsize = 512;
|
||||
nsectors = geo.dg_nsectors = 63;
|
||||
ntracks = geo.dg_ntracks = 255;
|
||||
if (!(((part != -1) && ((!iflag && part != -1) || !bpb->bsec)) ||
|
||||
!bpb->bps || !bpb->spt || !bpb->hds)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
u_int sector_size = 512;
|
||||
u_int nsectors = 63;
|
||||
u_int ntracks = 255;
|
||||
u_int size;
|
||||
|
||||
if (create_size == 0) {
|
||||
#ifndef MAKEFS
|
||||
if (getdiskinfo(fname, fd, NULL, &geo, &dkw) != -1) {
|
||||
sector_size = geo.dg_secsize;
|
||||
nsectors = geo.dg_nsectors;
|
||||
ntracks = geo.dg_ntracks;
|
||||
size = dkw.dkw_size;
|
||||
} else
|
||||
#endif
|
||||
@ -849,12 +870,12 @@ getbpbinfo(int fd, const char *fname, const char *dtype, int iflag,
|
||||
warnx("Can't get disk size for `%s'", fname);
|
||||
return -1;
|
||||
}
|
||||
/* create a fake geometry for a file image */
|
||||
sector_size = 512;
|
||||
nsectors = 63;
|
||||
ntracks = 255;
|
||||
size = st.st_size / sector_size;
|
||||
}
|
||||
} else {
|
||||
size = create_size / sector_size;
|
||||
}
|
||||
|
||||
if (!bpb->bps) {
|
||||
if (ckgeom(fname, sector_size, "bytes/sector") == -1)
|
||||
return -1;
|
||||
@ -881,7 +902,7 @@ getbpbinfo(int fd, const char *fname, const char *dtype, int iflag,
|
||||
bpb->hds = ntracks;
|
||||
if (!bpb->bsec)
|
||||
bpb->bsec = size;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: mkfs_msdos.h,v 1.2 2013/01/23 15:29:15 christos Exp $ */
|
||||
/* $NetBSD: mkfs_msdos.h,v 1.6 2017/02/17 09:29:35 wiz Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2013 The NetBSD Foundation, Inc.
|
||||
@ -15,9 +15,6 @@
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
@ -41,7 +38,7 @@ AOPT('C', off_t, create_size, 0, "Create file") \
|
||||
AOPT('F', uint8_t, fat_type, 12, "FAT type (12, 16, or 32)") \
|
||||
AOPT('I', uint32_t, volume_id, 0, "Volume ID") \
|
||||
AOPT('L', char *, volume_label, -1, "Volume Label") \
|
||||
AOPT('N', bool, no_create, -2, "Don't create filesystem, print params only") \
|
||||
AOPT('N', bool, no_create, -2, "Don't create file system, print params only") \
|
||||
AOPT('O', char *, OEM_string, -1, "OEM string") \
|
||||
AOPT('S', uint16_t, bytes_per_sector, 1, "Bytes per sector") \
|
||||
AOPT('a', uint32_t, sectors_per_fat, 1, "Sectors per FAT") \
|
||||
@ -63,6 +60,8 @@ struct msdos_options {
|
||||
#define AOPT(_opt, _type, _name, _min, _desc) _type _name;
|
||||
ALLOPTS
|
||||
#undef AOPT
|
||||
time_t timestamp;
|
||||
uint32_t timestamp_set:1;
|
||||
uint32_t volume_id_set:1;
|
||||
uint32_t media_descriptor_set:1;
|
||||
uint32_t hidden_sectors_set:1;
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
.\" $NetBSD: newfs_msdos.8,v 1.20 2014/04/24 23:49:40 christos Exp $
|
||||
.\" $NetBSD: newfs_msdos.8,v 1.23 2017/02/17 09:29:35 wiz Exp $
|
||||
.\"
|
||||
.\" Copyright (c) 1998 Robert Nordier
|
||||
.\" All rights reserved.
|
||||
@ -27,7 +27,7 @@
|
||||
.\"
|
||||
.\" From: $FreeBSD: src/sbin/newfs_msdos/newfs_msdos.8,v 1.13 2001/08/14 10:01:48 ru Exp $
|
||||
.\"
|
||||
.Dd April 24, 2014
|
||||
.Dd February 16, 2017
|
||||
.Dt NEWFS_MSDOS 8
|
||||
.Os
|
||||
.Sh NAME
|
||||
@ -57,6 +57,7 @@
|
||||
.Op Fl o Ar hidden
|
||||
.Op Fl r Ar reserved
|
||||
.Op Fl s Ar total
|
||||
.Op Fl T Ar timestamp
|
||||
.Op Fl u Ar track-size
|
||||
.Ar special
|
||||
.Op Ar disktype
|
||||
@ -74,9 +75,9 @@ to determine geometry, if required.
|
||||
The options are as follow:
|
||||
.Bl -tag -width indent
|
||||
.It Fl N
|
||||
Don't create a file system: just print out parameters.
|
||||
Do not create a file system: just print out parameters.
|
||||
.It Fl @ Ar offset
|
||||
Build the filesystem at the specified offset in bytes in the device or file.
|
||||
Build the file system at the specified offset in bytes in the device or file.
|
||||
A suffix s, k, m, g (lower or upper case)
|
||||
appended to the offset specifies that the
|
||||
number is in sectors, kilobytes, megabytes or gigabytes, respectively.
|
||||
@ -120,7 +121,7 @@ Sectors per cluster.
|
||||
Acceptable values are powers of 2 in the range 1 through 128.
|
||||
If the block or cluster size are not specified, the code
|
||||
uses a cluster between 512 bytes and 32K depending on
|
||||
the filesystem size.
|
||||
the file system size.
|
||||
.It Fl e Ar dirents
|
||||
Number of root directory entries (FAT12 and FAT16 only).
|
||||
.It Fl f Ar format
|
||||
@ -147,6 +148,13 @@ Number of hidden sectors.
|
||||
Number of reserved sectors.
|
||||
.It Fl s Ar total
|
||||
File system size.
|
||||
.It Fl T At timestamp
|
||||
Specify a timestamp to be used for file system creation so that
|
||||
it can be consistent for reproducible builds.
|
||||
The timestamp can be a pathname, where the timestamps are derived from
|
||||
that file, a parseable date for parsedate(3) (this option is not
|
||||
yet available in the tools build), or an integer value interpreted
|
||||
as the number of seconds from the Epoch.
|
||||
.It Fl u Ar track-size
|
||||
Number of sectors per track.
|
||||
.El
|
||||
@ -174,7 +182,7 @@ option.
|
||||
When the geometry is not available, it is assumed to be
|
||||
63 sectors, 255 heads.
|
||||
The size is then rounded to become
|
||||
a multiple of the track size and avoid complaints by some filesystem code.
|
||||
a multiple of the track size and avoid complaints by some file system code.
|
||||
.Pp
|
||||
FAT file system parameters occupy a "Boot Sector BPB (BIOS Parameter
|
||||
Block)" in the first of the "reserved" sectors which precede the actual
|
||||
@ -233,6 +241,10 @@ Exit status is 0 on success and 1 on error.
|
||||
.Xr fdisk 8 ,
|
||||
.Xr newfs 8
|
||||
.Sh HISTORY
|
||||
A
|
||||
.Nm
|
||||
utility appeared in
|
||||
.Fx 3.0 .
|
||||
The
|
||||
.Nm
|
||||
command first appeared in
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: newfs_msdos.c,v 1.43 2015/04/23 13:27:14 abs Exp $ */
|
||||
/* $NetBSD: newfs_msdos.c,v 1.45 2017/02/16 22:42:25 christos Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1998 Robert Nordier
|
||||
@ -33,11 +33,12 @@
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD: src/sbin/newfs_msdos/newfs_msdos.c,v 1.15 2000/10/10 01:49:37 wollman Exp $";
|
||||
#else
|
||||
__RCSID("$NetBSD: newfs_msdos.c,v 1.43 2015/04/23 13:27:14 abs Exp $");
|
||||
__RCSID("$NetBSD: newfs_msdos.c,v 1.45 2017/02/16 22:42:25 christos Exp $");
|
||||
#endif
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/stat.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <err.h>
|
||||
@ -45,6 +46,7 @@ __RCSID("$NetBSD: newfs_msdos.c,v 1.43 2015/04/23 13:27:14 abs Exp $");
|
||||
#include <unistd.h>
|
||||
#include <paths.h>
|
||||
#include <errno.h>
|
||||
#include <util.h>
|
||||
|
||||
#include "mkfs_msdos.h"
|
||||
|
||||
@ -57,13 +59,38 @@ __dead static void usage(void);
|
||||
static u_int argtou(const char *, u_int, u_int, const char *);
|
||||
static off_t argtooff(const char *, const char *);
|
||||
|
||||
static time_t
|
||||
get_tstamp(const char *b)
|
||||
{
|
||||
struct stat st;
|
||||
char *eb;
|
||||
long long l;
|
||||
#ifndef HAVE_NBTOOL_CONFIG_H
|
||||
time_t when;
|
||||
#endif
|
||||
|
||||
if (stat(b, &st) != -1)
|
||||
return (time_t)st.st_mtime;
|
||||
|
||||
#ifndef HAVE_NBTOOL_CONFIG_H
|
||||
errno = 0;
|
||||
if ((when = parsedate(b, NULL, NULL)) != -1 || errno == 0)
|
||||
return when;
|
||||
#endif
|
||||
errno = 0;
|
||||
l = strtoll(b, &eb, 0);
|
||||
if (b == eb || *eb || errno)
|
||||
errx(EXIT_FAILURE, "Can't parse timestamp `%s'", b);
|
||||
return (time_t)l;
|
||||
}
|
||||
|
||||
/*
|
||||
* Construct a FAT12, FAT16, or FAT32 file system.
|
||||
*/
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
static const char opts[] = "@:NB:C:F:I:L:O:S:a:b:c:e:f:h:i:k:m:n:o:r:s:u:";
|
||||
static const char opts[] = "@:NB:C:F:I:L:O:S:a:b:c:e:f:h:i:k:m:n:o:r:s:T:u:";
|
||||
struct msdos_options o;
|
||||
char *fname, *dtype;
|
||||
char buf[MAXPATHLEN];
|
||||
@ -142,6 +169,10 @@ main(int argc, char *argv[])
|
||||
case 's':
|
||||
o.size = argto4(optarg, 1, "file system size");
|
||||
break;
|
||||
case 'T':
|
||||
o.timestamp_set = 1;
|
||||
o.timestamp = get_tstamp(optarg);
|
||||
break;
|
||||
case 'u':
|
||||
o.sectors_per_track = argto2(optarg, 1, "sectors/track");
|
||||
break;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user