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imported mkdosfs, added getopt.c for use with dosfsck

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svn path=/trunk/; revision=16884
This commit is contained in:
Steven Edwards 2005-07-29 22:53:33 +00:00
parent c7cd667539
commit 42f41fa7c2
14 changed files with 1014 additions and 3 deletions
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63
rosapps/sysutils/dosfsck/getopt.c Normal file
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/*
* $Id$
* This is an unpublished work copyright (c) 1998 HELIOS Software GmbH
* 30827 Garbsen, Germany
*/
#include <stdio.h>
#include <string.h>
#ifdef HAS_UNISTD
# include <unistd.h>
#endif
char *optarg;
int optind = 1;
int opterr = 1;
int optopt;
static int subopt;
static int suboptind = 1;
int getopt(int argc, char *const argv[], const char * optstring)
{
char *curopt;
char *p;
int cursubopt;
if (suboptind == optind-1 && argv[suboptind][subopt] != '\0') {
curopt = (char *)argv[suboptind];
} else {
curopt = (char *)argv[optind];
if (curopt == NULL || curopt[0] != '-' || strcmp(curopt, "-") == 0)
return -1;
suboptind = optind;
subopt = 1;
optind++;
if (strcmp(curopt, "--") == 0)
return -1;
}
cursubopt = subopt++;
if ((p = strchr(optstring, curopt[cursubopt])) == NULL) {
optopt = curopt[cursubopt];
if (opterr)
fprintf(stderr, "%s: illegal option -- %c\n", argv[0], optopt);
return '?';
}
if (p[1] == ':') {
if (curopt[cursubopt+1] != '\0') {
optarg = curopt+cursubopt+1;
suboptind++;
return p[0];
}
if (argv[optind] == NULL) {
optopt = p[0];
if (opterr)
fprintf(stderr, "%s: option requires an argument -- %c\n", argv[0], optopt);
if (*optstring == ':')
return ':';
return '?';
}
optarg = argv[optind++];
}
return p[0];
}

1
rosapps/sysutils/mkdosfs/.cvsignore Normal file
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mkdosfs

41
rosapps/sysutils/mkdosfs/ANNOUNCE Normal file
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Announcing the release of mkdosfs version 0.3b (Yggdrasil)
It seems I didn't get the bug completely fixed in 0.3a. Some
borderline cases would still allocate too many sectors for the FAT.
Again, nothing to worry about, just a nitpick -- this one would only
in certain cases add one sector per FAT.
Announcing the release of mkdosfs version 0.3a (Yggdrasil)
Fixed a bug which would cause too many sectors to be reserved for the
FAT (filesystem will still work fine, but have slightly less space
available).
Announcing the release of mkdosfs version 0.3 (Yggdrasil)
This version correctly handles even very large filesystems, and
properly supports the modern (3.3+) DOS bootsector format, including a
message printed on boot attempts.
Peter Anvin
Yggdrasil Computing, Inc.
hpa@yggdrasil.com
--------------
Announcing the release of mkdosfs version 0.2
I've just uploaded mkdosfs to sunsite.unc.edu. It works in a similar way
to Remy Card's mke2fs, but creates an MS-DOS file system.
The filename is mkdosfs-0.2.tar.gz.
This second release should fix a small bug that could lead to FAT sizes that
Linux's dosfs would accept but MS-DOS wouldn't.
The archive contains a manual page, binary and source versions.
Dave Hudson
dave@humbug.demon.co.uk

347
rosapps/sysutils/mkdosfs/COPYING Normal file
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The GPL below is copyrighted by the Free Software
Foundation, but the instance of code that it refers to (the mkdosfs
utility is copyrighted by me
- David Hudson
----------------------------------------
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18
rosapps/sysutils/mkdosfs/ChangeLog Normal file
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28th January 1995 H. Peter Anvin (hpa@yggdrasil.com)
Better algorithm to select cluster sizes on large filesystems.
Added bogus boot sector code that on attempts to boot prints a
message (which can be chosen at mkdosfs time) and lets the user
press any key and try again. Corrected support for 1.2 Mb
floppies. mkdosfs now generates the extended bootsector
(superblock) format of DOS 3.3+, with support for volume ID's and
volume labels (volume labels are also written to the root
directory, as they should).
18th February 1994 Dave Hudson (dave@humbug.demon.co.uk)
Released version 0.2 - clears a bug in the FAT sizing code.
1st September 1993 Dave Hudson (dave@humbug.demon.co.uk)
Released version 0.1 - ALPHA release of mkdosfs

31
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OBJECTS = mkdosfs.o
all: mkdosfs
mkdosfs: $(OBJECTS)
$(CC) $(LDFLAGS) $^ -o $@
.c.o:
$(CC) $(CFLAGS) -c $< -o $@
install: mkdosfs
mkdir -p $(SBINDIR) $(MANDIR)
install -m 755 mkdosfs $(SBINDIR)
install -m 644 mkdosfs.8 $(MANDIR)
rm -f $(SBINDIR)/mkfs.msdos
rm -f $(SBINDIR)/mkfs.vfat
ln -s mkdosfs $(SBINDIR)/mkfs.msdos
ln -s mkdosfs $(SBINDIR)/mkfs.vfat
rm -f $(MANDIR)/mkfs.msdos.8
ln -s mkdosfs.8 $(MANDIR)/mkfs.msdos.8
ln -s mkdosfs.8 $(MANDIR)/mkfs.vfat.8
clean :
echo *.o *.i *.s *~ \#*# core .#* .new*
rm -f *.o *.i *.s *~ \#*# core .#* .new*
distclean: clean
rm -f mkdosfs *.a *# *.orig *.rej TAGS
dep:

50
rosapps/sysutils/mkdosfs/README Normal file
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mkdosfs - Make DOS file system utilty.
I wrote this, partially to complement the dosfsck utility written by Werner
Almesberger (who graciously gave me some pointers when I asked for some
advice about writing this code), and also to avoid me having to boot DOS
just to create data partitions (I use Linux to back up DOS :-) ).
The code is really derived from Remy Card's mke2fs utility - I used this as a
framework, although all of the file system specific stuff was removed and the
DOS stuff inserted. I believe originally mke2fs was based on Linus' mkfs
code, hence the acknowledgements in the source code.
Neither Remy nor Linus have had any involvement with mkdosfs, so if there are
any bugs they're almost certainly "all my own work".
The code has been available for ftp since 1st September 1993, and I have yet
to receive any bug reports from users. I don't know of any bugs, but if you
do find a bug or have any constructive comments, please mail me!
The only bug I found with version 0.1 was an obscure fault that could lead
to an invalid (for MS-DOS, not Linux's dos fs) number of sectors used in the
file allocation table(s).
Dave Hudson
dave@humbug.demon.co.uk
FAT32 support
=============
mkdosfs now can also create filesystems in the new FAT32 format. To do
this, give mkdosfs a "-F 32" option. FAT32 isn't selected
automatically (yet), even if very large clusters are needed with
FAT16. With FAT32 you have two additional options, -R to select the
number of reserved sectors (usually 32), and -b to select the location
of the backup boot sector (default 6). Of course such a backup is
created, as well as the new info sector. On FAT32, the root directory
is always created as a cluster chain. Sorry, there's no switch to
generate an old static root dir.
One bigger bug fix besides FAT32 was to reject filesystems that need a
16 bit FAT to fit all possible clusters, but the bigger FAT needs some
more sectors, so the total number of clusters drop below the border
where MS-DOS expects a 12 bit FAT. So such filesystems would be FAT16,
but interpreted as FAT32 by DOS. The fix is to reduce filesystem size
a bit.
- Roman <Roman.Hodek@informatik.uni-erlangen.de>

63
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/*
* $Id$
* This is an unpublished work copyright (c) 1998 HELIOS Software GmbH
* 30827 Garbsen, Germany
*/
#include <stdio.h>
#include <string.h>
#ifdef HAS_UNISTD
# include <unistd.h>
#endif
char *optarg;
int optind = 1;
int opterr = 1;
int optopt;
static int subopt;
static int suboptind = 1;
int getopt(int argc, char *const argv[], const char * optstring)
{
char *curopt;
char *p;
int cursubopt;
if (suboptind == optind-1 && argv[suboptind][subopt] != '\0') {
curopt = (char *)argv[suboptind];
} else {
curopt = (char *)argv[optind];
if (curopt == NULL || curopt[0] != '-' || strcmp(curopt, "-") == 0)
return -1;
suboptind = optind;
subopt = 1;
optind++;
if (strcmp(curopt, "--") == 0)
return -1;
}
cursubopt = subopt++;
if ((p = strchr(optstring, curopt[cursubopt])) == NULL) {
optopt = curopt[cursubopt];
if (opterr)
fprintf(stderr, "%s: illegal option -- %c\n", argv[0], optopt);
return '?';
}
if (p[1] == ':') {
if (curopt[cursubopt+1] != '\0') {
optarg = curopt+cursubopt+1;
suboptind++;
return p[0];
}
if (argv[optind] == NULL) {
optopt = p[0];
if (opterr)
fprintf(stderr, "%s: option requires an argument -- %c\n", argv[0], optopt);
if (*optstring == ':')
return ':';
return '?';
}
optarg = argv[optind++];
}
return p[0];
}

19
rosapps/sysutils/mkdosfs/mkdosfs-ygg-0.3b.lsm Normal file
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Begin3
Title: mkdosfs
Version: Yggdrasil 0.3b
Entered-date: 05MAY95
Description: A utility to create MS-DOS FAT filesystems under
Linux. This version uses the enhanced boot
sector/superblock format of DOS 3.3+ as well as
provides a default dummy boot sector code.
This is a bug fix release.
Keywords: mkdosfs, DOS FAT filesystem
Author: Dave Hudson <dave@humbug.demon.co.uk>
Maintained-by: H. Peter Anvin <hpa@yggdrasil.com>
Primary-site: sunsite.unc.edu /pub/Linux/system/Filesystems/dosfs
18531 mkdosfs-ygg-0.3b.tar.gz
Alternate-site: ftp.yggdrasil.com /pub/dist/mkdosfs
Original-site:
Platform: Linux
Copying-policy: GPL
End

198
rosapps/sysutils/mkdosfs/mkdosfs.8 Normal file
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.\" -*- nroff -*-
.TH MKDOSFS 8 "5 May 1995" "Version 2.x"
.SH NAME
.B mkdosfs
\- create an MS-DOS file system under Linux
.SH SYNOPSIS
.B mkdosfs
[
.B \-A
]
[
.B \-b
.I sector-of-backup
]
[
.B \-c
]
[
.B \-l
.I filename
]
[
.B \-C
]
[
.B \-f
.I number-of-FATs
]
[
.B \-F
.I FAT-size
]
[
.B \-i
.I volume-id
]
.RB [ " \-I " ]
[
.B \-m
.I message-file
]
[
.B \-n
.I volume-name
]
[
.B \-r
.I root-dir-entries
]
[
.B \-R
.I number-of-reserved-sectors
]
[
.B \-s
.I sectors-per-cluster
]
[
.B \-S
.I logical-sector-size
]
[
.B \-v
]
.I device
[
.I block-count
]
.SH DESCRIPTION
.B mkdosfs
is used to create an MS-DOS file system under Linux on a device (usually
a disk partition).
.I device
is the special file corresponding to the device (e.g /dev/hdXX).
.I block-count
is the number of blocks on the device. If omitted,
.B mkdosfs
automatically determiness the file system size.
.SH OPTIONS
.TP
.B \-A
Use Atari variation of the MS-DOS filesystem. This is default if
\fBmkdosfs\fP is run on an Atari, then this option turns off Atari
format. There are some differences when using Atari format: If not
directed otherwise by the user, \fBmkdosfs\fP will always use 2
sectors per cluster, since GEMDOS doesn't like other values very much.
It will also obey the maximum number of sectors GEMDOS can handle.
Larger filesystems are managed by raising the logical sector size.
Under Atari format, an Atari-compatible serial number for the
filesystem is generated, and a 12 bit FAT is used only for filesystems
that have one of the usual floppy sizes (720k, 1.2M, 1.44M, 2.88M), a
16 bit FAT otherwise. This can be overridden with the \fB\-F\fP
option. Some PC-specific boot sector fields aren't written, and a boot
message (option \fB\-m\fP) is ignored.
.TP
.BI \-b " sector-of-backup "
Selects the location of the backup boot sector for FAT32. Default
depends on number of reserved sectors, but usually is sector 6. The
backup must be within the range of reserved sectors.
.TP
.B \-c
Check the device for bad blocks before creating the file system.
.TP
.B \-C
Create the file given as \fIdevice\fP on the command line, and write
the to-be-created file system to it. This can be used to create the
new file system in a file instead of on a real device, and to avoid
using \fBdd\fP in advance to create a file of appropriate size. With
this option, the \fIblock-count\fP must be given, because otherwise
the intended size of the file system wouldn't be known. The file
created is a sparse file, which actually only contains the meta-data
areas (boot sector, FATs, and root directory). The data portions won't
be stored on the disk, but the file nevertheless will have the
correct size. The resulting file can be copied later to a floppy disk
or other device, or mounted through a loop device.
.TP
.BI \-f " number-of-FATs"
Specify the number of file allocation tables in the file system. The
default is 2. Currently the Linux MS-DOS file system does not support
more than 2 FATs.
.TP
.BI \-F " FAT-size"
Specifies the type of file allocation tables used (12, 16 or 32 bit).
If nothing is specified, \fBmkdosfs\fR will automatically select
between 12 and 16 bit, whatever fits better for the filesystem size.
32 bit FAT (FAT32 format) must (still) be selected explicitly if you
want it.
.TP
.BI \-i " volume-id"
Sets the volume ID of the newly created filesystem;
.I volume-id
is a 32-bit hexadecimal number (for example, 2e24ec82). The default
is a number which depends on the filesystem creation time.
.TP
.B \-I
Normally you are not allowed to use any 'full' fixed disk devices.
.B mkdosfs
will complain and tell you that it refuses to work. This is different
when usind MO disks. One doesn't always need partitions on MO disks.
The filesytem can go directly to the whole disk. Under other OSes
this is known as the 'superfloppy' format.
This switch will force
.B mkdosfs
to work properly.
.TP
.BI \-l " filename"
Read the bad blocks list from
.IR filename .
.TP
.BI \-m " message-file"
Sets the message the user receives on attempts to boot this filesystem
without having properly installed an operating system. The message
file must not exceed 418 bytes once line feeds have been converted to
carriage return-line feed combinations, and tabs have been expanded.
If the filename is a hyphen (-), the text is taken from standard input.
.TP
.BI \-n " volume-name"
Sets the volume name (label) of the filesystem. The volume name can
be up to 11 characters long. The default is no label.
.TP
.BI \-r " root-dir-entries"
Select the number of entries available in the root directory. The
default is 112 or 224 for floppies and 512 for hard disks.
.TP
.BI \-R " number-of-reserved-sectors "
Select the number of reserved sectos. With FAT32 format at least 2
reserved sectors are needed, the default is 32. Otherwise the default
is 1 (only the boot sector).
.TP
.BI \-s " sectors-per-cluster"
Specify the number of disk sectors per cluster. Must be a power of 2,
i.e. 1, 2, 4, 8, ... 128.
.TP
.BI \-S " logical-sector-size"
Specify the number of bytes per logical sector. Must be a power of 2
and greater than or equal to 512, i.e. 512, 1024, 2048, 4096, 8192,
16384, or 32768.
.TP
.B \-v
Verbose execution.
.SH BUGS
None are know at the moment. If you find any, please report it them
to <hpa@yggdrasil.com>. Please include the version number (Yggdrasil 0.3a).
.SH AUTHOR
Dave Hudson - <dave@humbug.demon.co.uk>; modified by Peter Anvin
<hpa@yggdrasil.com>. Fixes and additions by Roman Hodek
<Roman.Hodek@informatik.uni-erlangen.de> for Debian/GNU Linux.
.SH ACKNOWLEDGEMENTS
.B mkdosfs
is based on code from
.BR mke2fs
(written by Remy Card - <card@masi.ibp.fr>) which is itself based on
.BR mkfs
(written by Linus Torvalds - <torvalds@cs.helsinki.fi>).
.SH SEE ALSO
.BR dosfsck (8),
.BR mkfs (8)

4
rosapps/sysutils/dosfsck/mkdosfs.c → rosapps/sysutils/mkdosfs/mkdosfs.c
View file

@ -50,9 +50,7 @@
/* Include the header files */ /* Include the header files */
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rosapps/sysutils/mkdosfs/mkdosfs.dsp Normal file
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@ -0,0 +1,104 @@
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29
rosapps/sysutils/mkdosfs/mkdosfs.dsw Normal file
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@ -0,0 +1,29 @@
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rosapps/sysutils/mkdosfs/mkdosfs.plg Normal file
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<html>
<body>
<pre>
<h1>Build Log</h1>
<h3>
--------------------Configuration: mkdosfs - Win32 Release--------------------
</h3>
<h3>Command Lines</h3>
Creating temporary file "C:\DOKUME~1\JENS-U~1\LOKALE~1\Temp\RSP173.tmp" with contents
[
/nologo /ML /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /Fp"Release/mkdosfs.pch" /YX /Fo"Release/" /Fd"Release/" /FD /c
"C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c"
]
Creating command line "cl.exe @"C:\DOKUME~1\JENS-U~1\LOKALE~1\Temp\RSP173.tmp""
Creating temporary file "C:\DOKUME~1\JENS-U~1\LOKALE~1\Temp\RSP174.tmp" with contents
[
kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /incremental:no /pdb:"Release/mkdosfs.pdb" /machine:I386 /out:"Release/mkdosfs.exe"
".\Release\getopt.obj"
".\Release\mkdosfs.obj"
]
Creating command line "link.exe @"C:\DOKUME~1\JENS-U~1\LOKALE~1\Temp\RSP174.tmp""
<h3>Output Window</h3>
Compiling...
mkdosfs.c
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(272) : warning C4244: '=' : conversion from '__int64 ' to 'long ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(273) : warning C4244: '=' : conversion from '__int64 ' to 'long ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(487) : warning C4305: 'initializing' : truncation from 'const int ' to 'char '
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(487) : warning C4305: 'initializing' : truncation from 'const int ' to 'char '
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(704) : warning C4018: '<' : signed/unsigned mismatch
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(706) : warning C4018: '>' : signed/unsigned mismatch
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(717) : warning C4018: '<' : signed/unsigned mismatch
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(813) : warning C4244: 'return' : conversion from '__int64 ' to 'int ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(888) : warning C4244: '=' : conversion from 'unsigned long ' to 'unsigned short ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(889) : warning C4244: '=' : conversion from 'unsigned long ' to 'unsigned short ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(1197) : warning C4244: '=' : conversion from '__int64 ' to 'unsigned int ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(1223) : warning C4244: '=' : conversion from '__int64 ' to 'unsigned int ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(1242) : warning C4244: '=' : conversion from '__int64 ' to 'unsigned int ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(1270) : warning C4244: '=' : conversion from '__int64 ' to 'unsigned int ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(1387) : warning C4244: '=' : conversion from '__int64 ' to 'unsigned int ', possible loss of data
C:\cygwin\home\jum\dosfstools-2.8\mkdosfs\mkdosfs.c(1400) : warning C4018: '<=' : signed/unsigned mismatch
Linking...
<h3>Results</h3>
mkdosfs.exe - 0 error(s), 16 warning(s)
</pre>
</body>
</html>