rs@uunet.UU.NET (Rich Salz) (08/28/87)
Submitted-by: uiucdcs!fthood!egray
Posting-number: Volume 11, Issue 23
Archive-name: mtools/Part01
[ I haven't tried this stuff, but it seems useful to those who might
need it. --r$ ]
This is a collection of MSDOS tools to allow you to read and write to
MSDOS formatted diskettes from a Unix based system. The only requirement
is that your system must have floppy drive and a device driver that can
handle at lease one of the disk formats used by the IBM PC.
The following MSDOS commands are emulated:
Mtool MSDOS
name equivalent Description
----- ---- -----------
mdel DEL/ERASE delete a MSDOS file
mdir DIR display a MSDOS directory
mmd MD/MKDIR make a MSDOS sub directory
mrd RD/RMDIR remove a MSDOS sub directory
mread COPY read (copy) a MSDOS file to Unix
mren REN/RENAME rename an existing MSDOS file
mtype TYPE display contents of a MSDOS file
mwrite COPY write (copy) a Unix file to MSDOS
* CD change working directory
* by use of an environmental variable
Altering your particular device driver to accept the IBM disk formats is
beyond the scope of this program.
This collection of programs was written under SVR2, but the only 4.2bsd
inconsistencies should be strchr/strrchr vs. index/rindex.
Emmet P. Gray US Army, HQ III Corps & Fort Hood
...!ihnp4!uiucuxc!fthood!egray Attn: AFZF-DE-ENV
Directorate of Engineering & Housing
Environmental Management Office
Fort Hood, TX 76544-5057
#! /bin/sh
# This is a shell archive, meaning:
# 1. Remove everything above the #! /bin/sh line.
# 2. Save the resulting text in a file.
# 3. Execute the file with /bin/sh (not csh) to create:
# Readme
# Makefile
# Mdel.1
# Mdir.1
# Mmd.1
# Mrd.1
# Mread.1
# Mren.1
# Mtype.1
# Mwrite.1
# msdos.h
# convdate.c
# fixname.c
# getfat.c
# init.c
# isdir.c
# match.c
# mdel.c
# mdir.c
# This archive created: Thu Jul 9 22:35:39 1987
export PATH; PATH=/bin:/usr/bin:$PATH
echo shar: "extracting 'Readme'" '(5399 characters)'
if test -f 'Readme'
then
echo shar: "will not over-write existing file 'Readme'"
else
sed 's/^X//' << \SHAR_EOF > 'Readme'
X MTOOLS v1.2
X
XThis is a collection of MSDOS tools to allow you to read and write to
XMSDOS formatted diskettes from a Unix based system.
X
XThe following MSDOS commands are emulated:
X
XMtool MSDOS
Xname equivalent Description
X----- ---- -----------
Xmdel DEL/ERASE delete a MSDOS file
Xmdir DIR display a MSDOS directory
Xmmd MD/MKDIR make a MSDOS sub directory
Xmrd RD/RMDIR remove a MSDOS sub directory
Xmread COPY read (copy) a MSDOS file to Unix
Xmren REN/RENAME rename an existing MSDOS file
Xmtype TYPE display contents of a MSDOS file
Xmwrite COPY write (copy) a Unix file to MSDOS
X* CD change working directory
X
X * by use of the environmental variable MCWD
X
XThe formats of IBM PC floppy disk drives are:
X
X bytes per sectors per tracks number total disk introduced
X sector track per side of sides capacity size in MSDOS
X 512 8 40 1 160k 5.25 1.0
X 512 9 40 1 180k 5.25 1.1
X 512 8 40 2 320k 5.25 2.0
X 512 9 40 2 360k 5.25 2.0
X 512 15 80 2 1.2M 5.25 3.0
X 512 9 80 2 720k 3.5 3.2
X
X
XThe following are typical Unix device names for the IBM formats:
X
X /dev/rflp 'generic' used first to test the media
X /dev/rflp40t8s1s 40 track 8 sector single sided
X /dev/rflp40t8s2s 40 track 8 sector double sided
X /dev/rflp40t9s1s 40 track 9 sector single sided
X /dev/rflp40t9s2s 40 track 9 sector double sided
X /dev/rflp80t15s2s 80 track 15 sector double sided
X /dev/rflp80t9s2s 3.5 inch 80 track 9 sector double sided
X
XThese device names are in the msdos.h file as #defines and must be edited
Xto match the device names on your system. If your device driver does not
Xhandle all of the formats shown, then you should leave those particular
Xdevices undefined in the msdos.h file.
X
XThis program can be easily customized to accept non-standard disk formats.
XFor example, a popular disk format for Unix machines seems to be 80 track,
Xdouble sided, 8 sector. This doesn't conform to any of the IBM standard
Xformats, but MSDOS 3.30 can be made to format virtually anything using the
XDRIVER.SYS parameters in the CONFIG.SYS file. Let's take a hypothetical
Xcase of a brand X Unix machine with a 80 track, double sided, 8 sector
Xdisk drive. You could purchase an external 80 track drive for your IBM
Xcompatible computer and format the drive D: under MSDOS 3.30 with the
Xfollowing DRIVER.SYS parameters:
X
X DEVICE=DRIVER.SYS /D:2 /T:80 /S:8 /H:2 /F:2
X
XThen, you would edit the init.c file to include the new non-standard
Xparameters. You might need Norton Utilities, or some other program,
Xto determine the statistics of the format. Using our example, the
Xformat would have the following parameters:
X
X FAT#1 sectors 1 - 3 fat_len = 3
X FAT#2 sectors 4 - 6 dir_start = 4
X DIR sectors 7 - 13 dir_len = 7
X cluster size is 2 sectors clus_size = 2
X there are 633 clusters num_clus = 633
X
XNow, the diskette formated on your PC's external drive can be used in
Xboth your PC and your Unix machine. Obviously, that diskette could not
Xbe used in other IBM compatibles, unless they too had an external 80
Xtrack drive. That means that you'd need to copy your data from a normal
X40 track diskette to the 80 track diskette prior to moving it to your
XUnix machine. Likewise, you'd need to copy the 80 track diskette to a
X40 track diskette to be able to move data from the Unix machine to
Xanother PC.
X
XThe manuals are very terse... it's assumed that the reader is already
Xfamiliar with MSDOS.
X
XThe use of the environmental variable MCWD to keep track of the current
Xworking directory is a little awkward, especially since there is no
X'change directory' command. Bourne shell users will have to type two
Xcommands to set their working directory, ie:
X
X MCWD=/TMP
X export MCWD
X
XWildcards are only applied to filenames and not to directory names.
XFor example '/usr/local/*.c' is appropriate, but '/usr/l*/main.c' is not.
X
XI really wanted to avoid the use of a 'text' mode and a 'data' mode
Xwhen transferring files, but I couldn't find a better way. It gets rather
Xconfusing and it's quite possible to mess up a file if you apply the
Xtext mode when it is not appropriate (ie: to a COM or EXE file). Likewise,
Xif you forget to apply the text mode (to a Unix text file) then if the
Xfile is used under MSDOS, it will be missing carriage returns. However,
Xif you aren't going to use the files on your Unix system (you just
Xintend to hold the files and then transfer them back to MSDOS later) then
Xyou shouldn't use the text mode during either mread or mwrite. This is
Xbecause, the text mode is only useful if the files are gonna be used
Xunder Unix.
X
XMwrite adds an EOF marker to every file (not just text files). Mread
Xignores all EOF markers.
X
XThe MSDOS 'copy' command had to be broken down into two separate Unix
Xcommands since the MSDOS device designations (A: or C:) would be
Xclumsy to implement.
X
XMtools is also available in versions especially written for Masscomp
Xcomputers and the AT&T Unix PC 7300.
X
XEmmet P. Gray US Army, HQ III Corps & Fort Hood
X...!ihnp4!uiucuxc!fthood!egray Attn: AFZF-DE-ENV
X Directorate of Engineering & Housing
X Environmental Management Office
X Fort Hood, TX 76544-5057
SHAR_EOF
if test 5399 -ne "`wc -c < 'Readme'`"
then
echo shar: "error transmitting 'Readme'" '(should have been 5399 characters)'
fi
fi
echo shar: "extracting 'Makefile'" '(2916 characters)'
if test -f 'Makefile'
then
echo shar: "will not over-write existing file 'Makefile'"
else
sed 's/^X//' << \SHAR_EOF > 'Makefile'
X#
X# Makefile for MSDOS tools
X#
X
XCC = cc
XCFLAGS = -O
XLINT = lint -c
XSHAR = shar -a
XBINDIR = /usr/local/bin
XPROGS = mdir mread mwrite mdel mtype mmd mrd mren
X
XMDIR = mdir.o getfat.o init.o search.o match.o convdate.o unixname.o subdir.o \
X isdir.o
XMREAD = mread.o getfat.o init.o search.o match.o unixname.o subdir.o
XMWRITE = mwrite.o getfat.o init.o search.o fixname.o unixname.o putfat.o \
X subdir.o mkentry.o isdir.o
XMDEL = mdel.o getfat.o init.o search.o match.o unixname.o putfat.o subdir.o
XMTYPE = mtype.o getfat.o init.o search.o match.o unixname.o subdir.o
XMMD = mmd.o getfat.o init.o search.o fixname.o unixname.o putfat.o subdir.o \
X mkentry.o
XMRD = mrd.o getfat.o init.o search.o unixname.o putfat.o subdir.o
XMREN = mren.o getfat.o init.o search.o fixname.o unixname.o putfat.c subdir.o \
X isdir.o
X
Xall: $(PROGS)
X
Xmdir: $(MDIR)
X $(CC) $(CFLAGS) $(MDIR) -o mdir
X
Xmread: $(MREAD)
X $(CC) $(CFLAGS) $(MREAD) -o mread
X
Xmwrite: $(MWRITE)
X $(CC) $(CFLAGS) $(MWRITE) -o mwrite
X
Xmdel: $(MDEL)
X $(CC) $(CFLAGS) $(MDEL) -o mdel
X
Xmtype: $(MTYPE)
X $(CC) $(CFLAGS) $(MTYPE) -o mtype
X
Xmmd: $(MMD)
X $(CC) $(CFLAGS) $(MMD) -o mmd
X
Xmrd: $(MRD)
X $(CC) $(CFLAGS) $(MRD) -o mrd
X
Xmren: $(MREN)
X $(CC) $(CFLAGS) $(MREN) -o mren
X
Xinstall: $(PROGS)
X cp mdir $(BINDIR)/mdir
X strip $(BINDIR)/mdir
X rm mdir
X# cp Mdir.1 /usr/man/man1/mdir.1
X cp mread $(BINDIR)/mread
X strip $(BINDIR)/mread
X rm mread
X# cp Mread.1 /usr/man/man1/mread.1
X cp mwrite $(BINDIR)/mwrite
X strip $(BINDIR)/mwrite
X rm mwrite
X# cp Mwrite.1 /usr/man/man1/mwrite.1
X cp mdel $(BINDIR)/mdel
X strip $(BINDIR)/mdel
X rm mdel
X# cp Mdel.1 /usr/man/man1/mdel.1
X cp mtype $(BINDIR)/mtype
X strip $(BINDIR)/mtype
X rm mtype
X# cp Mtype.1 /usr/man/man1/mtype.1
X cp mmd $(BINDIR)/mmd
X strip $(BINDIR)/mmd
X rm mmd
X# cp Mmd.1 /usr/man/man1/mmd.1
X cp mrd $(BINDIR)/mrd
X strip $(BINDIR)/mrd
X rm mrd
X# cp Mrd.1 /usr/man/man1/mrd.1
X cp mren $(BINDIR)/mren
X strip $(BINDIR)/mren
X rm mren
X# cp Mren.1 /usr/man/man1/mren.1
X
Xlint:
X $(LINT) mdir.c getfat.c init.c search.c match.c convdate.c subdir.c \
X unixname.c isdir.c
X $(LINT) mread.c getfat.c init.c search.c match.c unixname.c subdir.c
X $(LINT) mwrite.c getfat.c init.c search.c fixname.c unixname.c \
X putfat.c subdir.c mkentry.c isdir.c
X $(LINT) mdel.c getfat.c init.c search.c match.c unixname.c putfat.c \
X subdir.c
X $(LINT) mtype.c getfat.c init.c search.c match.c unixname.c subdir.c
X $(LINT) mmd.c getfat.c init.c search.c fixname.c unixname.c putfat.c \
X subdir.c mkentry.c
X $(LINT) mrd.c getfat.c init.c search.c unixname.c putfat.c subdir.c
X $(LINT) mren.c getfat.c init.c search.c fixname.c unixname.c putfat.c \
X subdir.c
X
Xshar:
X $(SHAR) Readme Makefile Mdel.1 Mdir.1 Mmd.1 Mrd.1 Mread.1 Mren.1 \
X Mtype.1 Mwrite.1 msdos.h convdate.c fixname.c getfat.c init.c \
X isdir.c match.c mdel.c mdir.c > mtools1
X $(SHAR) mkentry.c mmd.c mrd.c mread.c mren.c mtype.c mwrite.c \
X putfat.c search.c subdir.c unixname.c > mtools2
SHAR_EOF
if test 2916 -ne "`wc -c < 'Makefile'`"
then
echo shar: "error transmitting 'Makefile'" '(should have been 2916 characters)'
fi
fi
echo shar: "extracting 'Mdel.1'" '(673 characters)'
if test -f 'Mdel.1'
then
echo shar: "will not over-write existing file 'Mdel.1'"
else
sed 's/^X//' << \SHAR_EOF > 'Mdel.1'
X.TH MDEL 1 local
X.SH NAME
Xmdel \- delete a MSDOS file
X.SH SYNOPSIS
X.B mdel msdosfile
X[
X.B msdosfiles...
X]
X.SH DESCRIPTION
X.I Mdel
Xdeletes a file on a MSDOS formatted diskette. Sub directories are supported
Xwith either the '/' or '\e\' separator. The use of the '\e\' separator
Xor wildcards will require the names to be enclosed in quotes to protect
Xthem from the shell.
X.PP
X.I Mdel
Xwill ask for verification prior to removing a read\-only file.
X.PP
XThe environmental variable MCWD may be used to establish a current
Xworking directory (relative to the MSDOS diskette).
X.SH SEE ALSO
Xmdir(1)
X.SH BUGS
XDoes not follow the MSDOS convention of allowing only one file argument.
SHAR_EOF
if test 673 -ne "`wc -c < 'Mdel.1'`"
then
echo shar: "error transmitting 'Mdel.1'" '(should have been 673 characters)'
fi
fi
echo shar: "extracting 'Mdir.1'" '(926 characters)'
if test -f 'Mdir.1'
then
echo shar: "will not over-write existing file 'Mdir.1'"
else
sed 's/^X//' << \SHAR_EOF > 'Mdir.1'
X.TH MDIR 1 local
X.SH NAME
Xmdir \- display a MSDOS directory
X.SH SYNOPSIS
X.B mdir
X[
X.B -w
X]
X.B msdosdirectory
X.PP
X.B mdir
X[
X.B -w
X]
X.B msdosfile
X[
X.B msdosfiles...
X]
X.SH DESCRIPTION
X.I Mdir
Xdisplays the contents of a MSDOS formatted diskette. Sub directories
Xare supported with either the '/' or '\e\' separator. The use of
Xthe '\e\' separator or wildcards will require the names to be enclosed in
Xquotes to protect them from the shell.
X.PP
X.I Mdir
Xwill accept the following command line option:
X.TP
X.B w
XWide output. This option will print the file names across the page without
Xdisplaying the file size or creation date.
X.PP
XAn error occurs if a component of the path is not a directory.
X.PP
XThe environmental variable MCWD may be used to establish a current
Xworking directory (relative to the MSDOS diskette).
X.SH SEE ALSO
Xmtype(1)
X.SH BUGS
XDoes not follow the MSDOS convention of allowing only one directory
Xargument.
SHAR_EOF
if test 926 -ne "`wc -c < 'Mdir.1'`"
then
echo shar: "error transmitting 'Mdir.1'" '(should have been 926 characters)'
fi
fi
echo shar: "extracting 'Mmd.1'" '(723 characters)'
if test -f 'Mmd.1'
then
echo shar: "will not over-write existing file 'Mmd.1'"
else
sed 's/^X//' << \SHAR_EOF > 'Mmd.1'
X.TH MMD 1 local
X.SH NAME
Xmmd \- make a MSDOS sub directory
X.SH SYNOPSIS
X.B mmd msdosdirectory
X.SH DESCRIPTION
X.I Mmd
Xmakes a new directory on a MSDOS formatted diskette. Sub directories are
Xsupported with either the '/' or '\e\' separator. The use of
Xthe '\e\' separator will require the directory name to be enclosed in quotes
Xto protect it from the shell.
X.PP
XReasonable care is taken to create a valid MSDOS directory name. If an
Xinvalid name is specified,
X.I mmd
Xwill change the name and display the new name.
X.PP
XAn error occurs if the directory already exists.
X.PP
XThe environmental variable MCWD may be used to establish a current
Xworking directory (relative to the MSDOS diskette).
X.SH SEE ALSO
Xmdir(1), mrd(1)
SHAR_EOF
if test 723 -ne "`wc -c < 'Mmd.1'`"
then
echo shar: "error transmitting 'Mmd.1'" '(should have been 723 characters)'
fi
fi
echo shar: "extracting 'Mrd.1'" '(598 characters)'
if test -f 'Mrd.1'
then
echo shar: "will not over-write existing file 'Mrd.1'"
else
sed 's/^X//' << \SHAR_EOF > 'Mrd.1'
X.TH MRD 1 local
X.SH NAME
Xmrd \- remove a MSDOS sub directory
X.SH SYNOPSIS
X.B mrd msdosdirectory
X.SH DESCRIPTION
X.I Mrd
Xremoves a directory from a MSDOS formatted diskette. Sub directories are
Xsupported with either the '/' or '\e\' separator. The use of
Xthe '\e\' separator will require the directory name to be enclosed in quotes
Xto protect it from the shell.
X.PP
XAn error occurs if the directory is not empty.
X.PP
XWildcards are not supported.
X.PP
XThe environmental variable MCWD may be used to establish a current
Xworking directory (relative to the MSDOS diskette).
X.SH SEE ALSO
Xmdir(1), mmd(1)
SHAR_EOF
if test 598 -ne "`wc -c < 'Mrd.1'`"
then
echo shar: "error transmitting 'Mrd.1'" '(should have been 598 characters)'
fi
fi
echo shar: "extracting 'Mread.1'" '(1152 characters)'
if test -f 'Mread.1'
then
echo shar: "will not over-write existing file 'Mread.1'"
else
sed 's/^X//' << \SHAR_EOF > 'Mread.1'
X.TH MREAD 1 local
X.SH NAME
Xmread \- read (copy) a MSDOS file to Unix
X.SH SYNOPSIS
X.B mread
X[
X.B -t
X|
X.B -n
X]
X.B msdosfile unixfile
X.PP
X.B mread
X[
X.B -t
X|
X.B -n
X]
X.B msdosfile
X[
X.B msdosfiles...
X]
X.B unixdirectory
X.SH DESCRIPTION
XIn the first form,
X.I mread
Xcopies the specified MSDOS file to the named Unix file. The second form
Xof the command copies multiple MSDOS files to the named Unix directory.
XMSDOS sub directories are supported with either the '/' or '\e\' separator.
XThe use of the '\e\' separator or wildcards will require the names to be
Xenclosed in quotes to protect them from the shell.
X.PP
X.I Mread
Xwill accept the following command line options:
X.TP
X.B t
XText file transfer.
X.I Mread
Xwill translate incoming carriage return/line feeds to line feeds.
X.TP
X.B n
XNo warning.
X.I Mread
Xwill not warn the user when overwriting an existing file.
X.PP
XIf the target file already exists, and the
X.I -n
Xoption is not in effect,
X.I mread
Xasks whether or not to overwrite the file.
X.PP
XThe environmental variable MCWD may be used to establish a current
Xworking directory (relative to the MSDOS diskette).
X.SH SEE ALSO
Xmdir(1), mtype(1), mwrite(1)
SHAR_EOF
if test 1152 -ne "`wc -c < 'Mread.1'`"
then
echo shar: "error transmitting 'Mread.1'" '(should have been 1152 characters)'
fi
fi
echo shar: "extracting 'Mren.1'" '(938 characters)'
if test -f 'Mren.1'
then
echo shar: "will not over-write existing file 'Mren.1'"
else
sed 's/^X//' << \SHAR_EOF > 'Mren.1'
X.TH MREN 1 local
X.SH NAME
Xmren \- rename an existing MSDOS file
X.SH SYNOPSIS
X.B mren sourcefile targetfile
X.SH DESCRIPTION
X.I Mren
Xrenames an existing file on a MSDOS formatted diskette. Sub directories are
Xsupported with either the '/' or '\e\' separator. The use of the '\e\'
Xseparator or wildcards will require the names to be enclosed in quotes to
Xprotect them from the shell.
X.PP
XReasonable care is taken to create a valid MSDOS filename. If an invalid
XMSDOS target name is specified,
X.I mren
Xwill change the name and prompt the user to accept or reject the new name.
X.PP
XThe path component of the target filename (if supplied) is ignored. In
Xother words, you may not use
X.I mren
Xto move a file from one sub directory to another.
X.PP
X.I Mren
Xmay also be used to rename directories.
X.PP
XThe environmental variable MCWD may be used to establish a current
Xworking directory (relative to the MSDOS diskette).
X.SH SEE ALSO
Xmwrite(1)
SHAR_EOF
if test 938 -ne "`wc -c < 'Mren.1'`"
then
echo shar: "error transmitting 'Mren.1'" '(should have been 938 characters)'
fi
fi
echo shar: "extracting 'Mtype.1'" '(928 characters)'
if test -f 'Mtype.1'
then
echo shar: "will not over-write existing file 'Mtype.1'"
else
sed 's/^X//' << \SHAR_EOF > 'Mtype.1'
X.TH MTYPE 1 local
X.SH NAME
Xmtype \- display contents of a MSDOS file
X.SH SYNOPSIS
X.B mtype
X[
X.B -t
X|
X.B -s
X]
X.B msdosfile
X[
X.B msdosfiles...
X]
X.SH DESCRIPTION
X.I Mtype
Xdisplays the specified MSDOS file on the screen. MSDOS sub directories are
Xsupported with either the '/' or '\e\' separator. The use of the '\e\'
Xseparator or wildcards will require the names to be enclosed in quotes to
Xprotect them from the shell.
X.PP
X.I Mtype
Xwill accept the following command line options:
X.TP
X.B t
XText file viewing.
X.I Mtype
Xwill translate incoming carriage return/line feeds to line feeds.
X.TP
X.B s
XStrip high bit.
X.I Mtype
Xwill strip the high bit from the data. Useful for viewing Wordstar files.
X.PP
XThe environmental variable MCWD may be used to establish a current
Xworking directory (relative to the MSDOS diskette).
X.SH SEE ALSO
Xmdir(1), mread(1)
X.SH BUGS
XDoes not follow the MSDOS convention of allowing only one file
Xargument.
SHAR_EOF
if test 928 -ne "`wc -c < 'Mtype.1'`"
then
echo shar: "error transmitting 'Mtype.1'" '(should have been 928 characters)'
fi
fi
echo shar: "extracting 'Mwrite.1'" '(1294 characters)'
if test -f 'Mwrite.1'
then
echo shar: "will not over-write existing file 'Mwrite.1'"
else
sed 's/^X//' << \SHAR_EOF > 'Mwrite.1'
X.TH MWRITE 1 local
X.SH NAME
Xmwrite \- write (copy) a Unix file to MSDOS
X.SH SYNOPSIS
X.B mwrite
X[
X.B -t
X|
X.B -n
X]
X.B unixfile msdosfile
X.PP
X.B mwrite
X[
X.B -t
X|
X.B -n
X]
X.B unixfile
X[
X.B unixfiles...
X]
X.B msdosdirectory
X.SH DESCRIPTION
XIn the first form,
X.I mwrite
Xcopies the specified Unix file to the named MSDOS file. The second form
Xof the command copies multiple Unix files to the named MSDOS directory.
XMSDOS sub directories are are supported with either the '/' or '\e\' separator.
XThe use of the '\e\' separator will require the names to be enclosed in
Xquotes to protect them from the shell.
X.PP
X.I Mwrite
Xwill accept the following command line options:
X.TP
X.B t
XText file transfer.
X.I Mwrite
Xwill translate incoming line feeds to carriage return/line feeds.
X.TP
X.B n
XNo warning.
X.I Mwrite
Xwill not warn the user when overwriting an existing file.
X.PP
XIf the target file already exists, and the
X.I -n
Xoption is not in effect,
X.I mwrite
Xasks whether or not to overwrite the file.
X.PP
XReasonable care is taken to create a valid MSDOS filename. If an invalid
Xname is specified,
X.I mwrite
Xwill change the name and display the new name.
X.PP
XThe environmental variable MCWD may be used to establish a current
Xworking directory (relative to the MSDOS diskette).
X.SH SEE ALSO
Xmdir(1), mread(1)
SHAR_EOF
if test 1294 -ne "`wc -c < 'Mwrite.1'`"
then
echo shar: "error transmitting 'Mwrite.1'" '(should have been 1294 characters)'
fi
fi
echo shar: "extracting 'msdos.h'" '(791 characters)'
if test -f 'msdos.h'
then
echo shar: "will not over-write existing file 'msdos.h'"
else
sed 's/^X//' << \SHAR_EOF > 'msdos.h'
X/*
X * msdos common header file
X */
X
X#define MSECSIZ 512
X#define MDIRSIZ 32
X
X/*
X * If your device driver does not support any of the following formats,
X * then leave those devices undefined.
X */
X
X#define FLOPPY "/dev/rflp"
X#define FLP_40_8_1 "/dev/rflp40t8s1s"
X#define FLP_40_8_2 "/dev/rflp40t8s2s"
X#define FLP_40_9_1 "/dev/rflp40t9s1s"
X#define FLP_40_9_2 "/dev/rflp40t9s2s"
X#define FLP_80_15_2 "/dev/rflp80t15s2s"
X#define FLP_80_9_2 "/dev/rflp80t9s2s"
X
Xstruct directory {
X unsigned char name[8]; /* file name */
X unsigned char ext[3]; /* file extent */
X unsigned char attr; /* attribute byte */
X unsigned char reserved[10]; /* ?? */
X unsigned char time[2];
X unsigned char date[2];
X unsigned char start[2]; /* starting cluster number */
X unsigned char size[4]; /* size of the file */
X};
SHAR_EOF
if test 791 -ne "`wc -c < 'msdos.h'`"
then
echo shar: "error transmitting 'msdos.h'" '(should have been 791 characters)'
fi
fi
echo shar: "extracting 'convdate.c'" '(1314 characters)'
if test -f 'convdate.c'
then
echo shar: "will not over-write existing file 'convdate.c'"
else
sed 's/^X//' << \SHAR_EOF > 'convdate.c'
X/*
X * convdate(), convtime()
X */
X
X/*
X * convert MSDOS directory datestamp to ASCII
X */
X
Xchar *
Xconvdate(date_high, date_low)
Xunsigned date_high;
Xunsigned date_low;
X{
X/*
X * hi byte | low byte
X * |0|1|2|3|4|5|6|7|0|1|2|3|4|5|6|7|
X * | | | | | | | | | | | | | | | | |
X * \ 7 bits /\4 bits/\ 5 bits /
X * year +80 month day
X */
X static char buffer[9];
X unsigned char year, month_hi, month_low, day;
X
X year = (date_high >> 1) + 80;
X month_hi = (date_high & 0x1) << 3;
X month_low = date_low >> 5;
X day = date_low & 0x1f;
X sprintf(buffer, "%2d-%02d-%02d", month_hi+month_low, day, year);
X return(buffer);
X}
X
X/*
X * Convert MSDOS directory timestamp to ASCII
X */
X
Xchar *
Xconvtime(time_high, time_low)
Xunsigned time_high;
Xunsigned time_low;
X{
X/*
X * hi byte | low byte
X * |0|1|2|3|4|5|6|7|0|1|2|3|4|5|6|7|
X * | | | | | | | | | | | | | | | | |
X * \ 5 bits /\ 6 bits /\ 5 bits /
X * hour minutes sec*2
X */
X static char buffer[7];
X char am_pm;
X unsigned char hour, min_hi, min_low;
X
X hour = time_high >> 3;
X am_pm = (hour >= 12) ? 'p' : 'a';
X if (hour > 12)
X hour = hour -12;
X if (hour == 0)
X hour = 12;
X min_hi = (time_high & 0x7) << 3;
X min_low = time_low >> 5;
X sprintf(buffer, "%2d:%02d%c", hour, min_hi+min_low, am_pm);
X return(buffer);
X}
SHAR_EOF
if test 1314 -ne "`wc -c < 'convdate.c'`"
then
echo shar: "error transmitting 'convdate.c'" '(should have been 1314 characters)'
fi
fi
echo shar: "extracting 'fixname.c'" '(1670 characters)'
if test -f 'fixname.c'
then
echo shar: "will not over-write existing file 'fixname.c'"
else
sed 's/^X//' << \SHAR_EOF > 'fixname.c'
X/*
X * Convert a Unix filename to a legal MSDOS name. Returns a pointer to
X * the 'fixed' name. Will truncate file and extension names, will
X * substitute the letter 'X' for any illegal character in the name.
X */
X
X#include <stdio.h>
X#include <ctype.h>
X
Xchar *
Xfixname(name)
Xchar *name;
X{
X static char *dev[8] = {"CON", "AUX", "COM1", "LPT1", "PRN", "LPT2",
X "LPT3", "NUL"};
X char *s, *temp, *ext, *malloc(), *strcpy(), *strpbrk(), *strrchr();
X int i, dot, modified;
X static char *ans;
X
X temp = malloc(strlen(name)+1);
X strcpy(temp, name);
X /* zap the leading path */
X if (s = strrchr(temp, '/'))
X temp = s+1;
X if (s = strrchr(temp, '\\'))
X temp = s+1;
X
X ext = NULL;
X dot = 0;
X for (s = temp; *s; ++s) {
X if (*s == '.' && !dot) {
X dot = 1;
X *s = NULL;
X ext = s + 1;
X }
X if (islower(*s))
X *s = toupper(*s);
X }
X if (*temp == NULL) {
X temp = "X";
X printf("'%s' Null name component, using '%s.%s'\n", name, temp, ext);
X }
X for (i=0; i<8; i++) {
X if (!strcmp(temp, dev[i])) {
X *temp = 'X';
X printf("'%s' Is a device name, using '%s.%s'\n", name, temp, ext);
X }
X }
X if (strlen(temp) > 8) {
X *(temp+8) = NULL;
X printf("'%s' Name too long, using, '%s.%s'\n", name, temp, ext);
X }
X if (strlen(ext) > 3) {
X *(ext+3) = NULL;
X printf("'%s' Extension too long, using '%s.%s'\n", name, temp, ext);
X }
X modified = 0;
X while (s = strpbrk(temp, "^+=/[]:',?*\\<>|\". ")) {
X modified++;
X *s = 'X';
X }
X while (s = strpbrk(ext, "^+=/[]:',?*\\<>|\". ")) {
X modified++;
X *s = 'X';
X }
X if (modified)
X printf("'%s' Contains illegal character\(s\), using '%s.%s'\n", name, temp, ext);
X ans = malloc(12);
X sprintf(ans, "%-8.8s%-3.3s", temp, ext);
X return(ans);
X}
SHAR_EOF
if test 1670 -ne "`wc -c < 'fixname.c'`"
then
echo shar: "error transmitting 'fixname.c'" '(should have been 1670 characters)'
fi
fi
echo shar: "extracting 'getfat.c'" '(1377 characters)'
if test -f 'getfat.c'
then
echo shar: "will not over-write existing file 'getfat.c'"
else
sed 's/^X//' << \SHAR_EOF > 'getfat.c'
X/*
X * Get and decode a FAT (file allocation table) entry. The FAT entries
X * are 1.5 bytes long and switch nibbles (.5 byte) according to whether
X * or not the entry starts on a byte boundary. Returns the cluster
X * number on success or -1 on failure.
X */
X
X#include "msdos.h"
X
Xextern int fat_len;
Xextern unsigned char *fatbuf;
X
Xint
Xgetfat(num)
Xint num;
X{
X/*
X * | byte n | byte n+1 | byte n+2 |
X * |0|1|2|3|4|5|6|7|0|1|2|3|4|5|6|7|0|1|2|3|4|5|6|7|
X * | | | | | | | | | | | | | | | | | | | | | | | | |
X * | n.0 | n.5 | n+1.0 | n+1.5 | n+2.0 | n+2.5 |
X * \_____ \____ \______/________/_____ /
X * ____\______\________/ _____/ ____\_/
X * / \ \ / / \
X * | n+1.5 | n.0 | n.5 | n+2.0 | n+2.5 | n+1.0 |
X * | FAT entry k | FAT entry k+1 |
X */
X unsigned int fat_hi, fat_low, byte_1, byte_2;
X int start;
X static int fat;
X /* which bytes contain the entry */
X start = num * 3 / 2;
X if (start < 0 || start+1 > (fat_len * MSECSIZ))
X return(-1);
X
X byte_1 = *(fatbuf + start);
X byte_2 = *(fatbuf + start + 1);
X /* (odd) not on byte boundary */
X if (num % 2) {
X fat_hi = (byte_2 & 0xff) << 4;
X fat_low = (byte_1 & 0xf0) >> 4;
X }
X /* (even) on byte boundary */
X else {
X fat_hi = (byte_2 & 0xf) << 8;
X fat_low = byte_1 & 0xff;
X }
X fat = (fat_hi + fat_low) & 0xfff;
X return(fat);
X}
SHAR_EOF
if test 1377 -ne "`wc -c < 'getfat.c'`"
then
echo shar: "error transmitting 'getfat.c'" '(should have been 1377 characters)'
fi
fi
echo shar: "extracting 'init.c'" '(5957 characters)'
if test -f 'init.c'
then
echo shar: "will not over-write existing file 'init.c'"
else
sed 's/^X//' << \SHAR_EOF > 'init.c'
X/*
X * Initialize a MSDOS diskette. Get the media signature (1st FAT entry)
X * and switch to the proper floppy disk device to match the format
X * of the disk. Sets a bunch of global variables. Returns 0 on success,
X * or 1 on failure.
X */
X
X#include <stdio.h>
X#include <ctype.h>
X#include "msdos.h"
X
Xextern int fd, dir_len, dir_start, clus_size, fat_len, num_clus;
Xextern unsigned char *fatbuf;
Xextern char *mcwd;
X
Xint
Xinit(mode)
Xint mode;
X{
X int code = 0, buflen;
X unsigned char read_fat(), fat;
X char *getenv(), *fixmcwd(), *malloc(), version, get_dos_ver();
X long lseek();
X void perror(), exit();
X
X /* open the 'generic' floppy */
X if ((fd = open(FLOPPY, mode)) < 0) {
X perror("init: open");
X exit(1);
X }
X /* read media signature (1st FAT) */
X fat = read_fat();
X switch(fat) {
X case 0xfe:
X#ifndef FLP_40_8_1
X fprintf(stderr, "40 track, 8 sector, single sided: not supported\n");
X code = 1;
X#else FLP_40_8_1
X dir_start = 3;
X dir_len = 4;
X clus_size = 1;
X fat_len = 1;
X num_clus = 313;
X close(fd);
X if ((fd = open(FLP_40_8_1, mode)) < 0) {
X perror("init: open");
X return(1);
X }
X#endif FLP_40_8_1
X break;
X case 0xff:
X#ifndef FLP_40_8_2
X fprintf(stderr, "40 track, 8 sector, double sided: not supported\n");
X code = 1;
X#else FLP_40_8_2
X dir_start = 3;
X dir_len = 7;
X clus_size = 2;
X fat_len = 1;
X num_clus = 315;
X close(fd);
X if ((fd = open(FLP_40_8_2, mode)) < 0) {
X perror("init: open");
X return(1);
X }
X#endif FLP_40_8_2
X break;
X case 0xfc:
X#ifndef FLP_40_9_1
X fprintf(stderr, "40 track, 9 sector, single sided: not supported\n");
X code = 1;
X#else FLP_40_9_1
X dir_start = 5;
X dir_len = 4;
X clus_size = 1;
X fat_len = 2;
X num_clus = 351;
X close(fd);
X if ((fd = open(FLP_40_9_1, mode)) < 0) {
X perror("init: open");
X return(1);
X }
X#endif FLP_40_9_1
X break;
X case 0xfd:
X#ifndef FLP_40_9_2
X fprintf(stderr, "40 track, 9 sector, double sided: not supported\n");
X code = 1;
X#else FLP_40_9_2
X dir_start = 5;
X dir_len = 7;
X clus_size = 2;
X fat_len = 2;
X num_clus = 354;
X close(fd);
X if ((fd = open(FLP_40_9_2, mode)) < 0) {
X perror("init: open");
X return(1);
X }
X#endif FLP_40_9_2
X break;
X case 0xf9: /* all 80 track disks */
X version = get_dos_ver();
X switch (version) {
X case '0':
X case '1':
X#ifndef FLP_80_15_2
X fprintf(stderr, "80 track, 15 sector, double sided: not supported\n");
X code = 1;
X#else FLP_80_15_2
X dir_start = 15;
X dir_len = 14;
X clus_size = 1;
X fat_len = 7;
X num_clus = 1193;
X close(fd);
X if ((fd = open(FLP_80_15_2, mode)) < 0) {
X perror("init: open");
X return(1);
X }
X#endif FLP_80_15_2
X break;
X case '2':
X#ifndef FLP_80_9_2
X fprintf(stderr, "3.5 inch 80 track, 9 sector, double sided: not supported\n");
X code = 1;
X#else FLP_80_9_2
X dir_start = 7;
X dir_len = 7;
X clus_size = 2;
X fat_len = 3;
X num_clus = 713;
X close(fd);
X if ((fd = open(FLP_80_9_2, mode)) < 0) {
X perror("init: open");
X return(1);
X }
X#endif FLP_80_9_2
X break;
X default:
X fprintf(stderr, "Unknown DOS version '%02x'\n", version);
X code = 1;
X break;
X }
X break;
X default:
X fprintf(stderr, "Unknown format '%02x'\n", fat);
X code = 1;
X break;
X }
X if (code)
X return(1);
X
X buflen = fat_len * MSECSIZ;
X fatbuf = (unsigned char *) malloc(buflen);
X move(1);
X /* read the FAT sectors */
X if (read(fd, fatbuf, buflen) != buflen) {
X perror("init: read");
X exit(1);
X }
X /* set dir_chain to root directory */
X reset_dir();
X /* get Current Working Directory */
X mcwd = fixmcwd(getenv("MCWD"));
X /* test it out.. */
X if (subdir("")) {
X fprintf(stderr, "Environmental variable MCWD needs updating\n");
X exit(1);
X }
X return(0);
X}
X
X/*
X * Move the read/write head to the next location. Tries to optimize
X * the movement by moving relative to current location. The argument
X * is a logical sector number. All errors are fatal.
X */
X
Xmove(sector)
Xint sector;
X{
X long cur_loc, next, lseek();
X void exit(), perror();
X /* get current location */
X if ((cur_loc = lseek(fd, 0L, 1)) < 0) {
X perror("move: lseek");
X exit(1);
X }
X next = (long) (MSECSIZ * sector) - cur_loc;
X /* we're already there */
X if (next == 0L)
X return;
X /* move to next location */
X if (lseek(fd, next, 1) < 0) {
X perror("move: lseek");
X exit(1);
X }
X return;
X}
X
X/*
X * Fix MCWD to be a proper directory name. Always has a leading separator.
X * Never has a trailing separator (unless it is the path itself).
X */
X
Xchar *
Xfixmcwd(dirname)
Xchar *dirname;
X{
X char *s, *malloc(), *strcpy(), *strcat();
X static char *ans;
X
X ans = malloc(strlen(dirname)+2);
X /* add a leading separator */
X if (*dirname != '/' && *dirname != '\\') {
X strcpy(ans, "/");
X strcat(ans, dirname);
X }
X else
X strcpy(ans, dirname);
X /* translate to upper case */
X for (s = ans; *s; ++s) {
X if (islower(*s))
X *s = toupper(*s);
X }
X /* if separator alone */
X if (strlen(ans) == 1)
X return(ans);
X /* zap the trailing separator */
X s--;
X if (*s == '/' || *s == '\\')
X *s = NULL;
X return(ans);
X}
X
X/*
X * Read the first byte of the FAT table. This code serves as a media
X * signature for the diskette.
X */
X
Xunsigned char
Xread_fat()
X{
X unsigned char buf[MSECSIZ];
X static unsigned char ans;
X /* move to boot sector */
X if (lseek(fd, (long) MSECSIZ, 0) < 0) {
X perror("init: lseek");
X exit(1);
X }
X /* read the first FAT sector */
X if (read(fd, buf, MSECSIZ) != MSECSIZ) {
X perror("init: read");
X exit(1);
X }
X ans = *buf;
X return(ans);
X}
X
X/*
X * Read the Boot Sector to figure out the DOS version.
X */
X
Xchar
Xget_dos_ver()
X{
X unsigned char bootbuf[MSECSIZ];
X static char ans;
X /* move to boot sector */
X if (lseek(fd, 0L, 0) < 0) {
X perror("init: lseek");
X exit(1);
X }
X /* read the boot sector */
X if (read(fd, bootbuf, MSECSIZ) != MSECSIZ) {
X perror("init: read");
X exit(1);
X }
X ans = *(bootbuf+10);
X return(ans);
X}
SHAR_EOF
if test 5957 -ne "`wc -c < 'init.c'`"
then
echo shar: "error transmitting 'init.c'" '(should have been 5957 characters)'
fi
fi
echo shar: "extracting 'isdir.c'" '(917 characters)'
if test -f 'isdir.c'
then
echo shar: "will not over-write existing file 'isdir.c'"
else
sed 's/^X//' << \SHAR_EOF > 'isdir.c'
X/*
X * Test to see if a filename is a directory. Subdir() has to be
X * run first... Returns 1 if true.
X */
X
X#include <stdio.h>
X#include "msdos.h"
X
Xextern int dir_entries;
X
Xint
Xisdir(path)
Xchar *path;
X{
X int entry;
X char *newname, *unixname(), *strncpy(), name[9], ext[4];
X struct directory *dir, *search();
X /* no path */
X if (*path == NULL)
X return(0);
X
X for (entry=0; entry<dir_entries; entry++) {
X dir = search(entry);
X /* if empty */
X if (dir->name[0] == NULL)
X break;
X /* if erased */
X if (dir->name[0] == 0xe5)
X continue;
X /* skip if not a directory */
X if (!(dir->attr & 0x10))
X continue;
X strncpy(name, dir->name, 8);
X name[8] = NULL;
X strncpy(ext, dir->ext, 3);
X ext[3] = NULL;
X newname = unixname(name, ext);
X if (!strcmp(newname, path))
X return(1);
X }
X /* if "." or ".." fails, then root */
X if (!strcmp(path, ".") || !strcmp(path, ".."))
X return(1);
X return(0);
X}
SHAR_EOF
if test 917 -ne "`wc -c < 'isdir.c'`"
then
echo shar: "error transmitting 'isdir.c'" '(should have been 917 characters)'
fi
fi
echo shar: "extracting 'match.c'" '(1894 characters)'
if test -f 'match.c'
then
echo shar: "will not over-write existing file 'match.c'"
else
sed 's/^X//' << \SHAR_EOF > 'match.c'
X/*
X * Do shell-style pattern matching for '?', '\', '[..]', and '*' wildcards.
X * Not idiot proof! Returns 1 if match, 0 if not.
X *
X * Ideas for this routine were taken from a program by Rich Salz, mirror!rs
X */
X
X#include <stdio.h>
X
Xint
Xmatch(s, p)
Xchar *s; /* string to match */
Xchar *p; /* pattern */
X{
X int matched, reverse;
X char first, last;
X
X for ( ; *p != NULL; s++, p++) {
X switch (*p) {
X /* Literal match with next character */
X case '\\':
X p++;
X default:
X if (*s != *p)
X return(0);
X break;
X /* match any one character */
X case '?':
X if (*s == NULL)
X return(0);
X break;
X /* match everything */
X case '*':
X /* if last char in pattern */
X if (*++p == NULL)
X return(1);
X /* search for next char in pattern */
X matched = 0;
X while (*s != NULL) {
X if (*s == *p) {
X matched = 1;
X if (!strcmp(s+1,p+1))
X break;
X }
X s++;
X }
X if (!matched)
X return(0);
X s--;
X p--;
X break;
X /* match range of characters */
X case '[':
X first = NULL;
X matched = 0;
X reverse = 0;
X while (*++p != ']') {
X if (*p == '^') {
X reverse = 1;
X p++;
X }
X first = *p;
X if (first == ']' || first == NULL) {
X fprintf(stderr, "match: Malformed regular expression\n");
X return(0);
X }
X /* if 2nd char is '-' */
X if (*(p+1) == '-') {
X p++;
X /* set last to 3rd char ... */
X last = *++p;
X if (last == ']' || last == NULL) {
X fprintf(stderr, "match: Malformed regular expression\n");
X return(0);
X }
X /* test the range of values */
X if (*s>=first && *s<=last) {
X matched = 1;
X p++;
X break;
X }
X return(0);
X }
X if (*s == *p)
X matched = 1;
X }
X if (matched && reverse)
X return(0);
X if (!matched)
X return(0);
X break;
X }
X }
X /* string ended prematurely ? */
X if (*s != NULL)
X return(0);
X else
X return(1);
X}
SHAR_EOF
if test 1894 -ne "`wc -c < 'match.c'`"
then
echo shar: "error transmitting 'match.c'" '(should have been 1894 characters)'
fi
fi
echo shar: "extracting 'mdel.c'" '(2580 characters)'
if test -f 'mdel.c'
then
echo shar: "will not over-write existing file 'mdel.c'"
else
sed 's/^X//' << \SHAR_EOF > 'mdel.c'
X/*
X * Delete a MSDOS file
X *
X * Emmet P. Gray US Army, HQ III Corps & Fort Hood
X * ...!ihnp4!uiucuxc!fthood!egray Attn: AFZF-DE-ENV
X * Directorate of Engineering & Housing
X * Environmental Management Office
X * Fort Hood, TX 76544-5057
X */
X
X#include <stdio.h>
X#include "msdos.h"
X#define VERBOSE
X
Xint fd; /* the file descriptor for the floppy */
Xint dir_start; /* starting sector for directory */
Xint dir_len; /* length of directory (in sectors) */
Xint dir_entries; /* number of directory entries */
Xint dir_chain[25]; /* chain of sectors in directory */
Xint clus_size; /* cluster size (in sectors) */
Xint fat_len; /* length of FAT table (in sectors) */
Xint num_clus; /* number of available clusters */
Xunsigned char *fatbuf; /* the File Allocation Table */
Xchar *mcwd; /* the Current Working Directory */
X
Xmain(argc, argv)
Xint argc;
Xchar *argv[];
X{
X int i, ismatch, entry, start, nogo, subdir();
X char *filename, *newfile, text[4], tname[9], *getname(), *unixname();
X char *strncpy(), *getpath(), *pathname, ans[10];
X void exit();
X struct directory *dir, *search();
X
X if (init(2)) {
X fprintf(stderr, "mdel: Cannot initialize diskette\n");
X exit(1);
X }
X
X if (argc < 2) {
X fprintf(stderr, "Usage: mdel <MSDOS file> [<MSDOS files...>]\n");
X exit(1);
X }
X
X for (i=1; i<argc; i++) {
X filename = getname(argv[i]);
X pathname = getpath(argv[i]);
X if (subdir(pathname))
X continue;
X nogo = 0;
X ismatch = 0;
X for (entry=0; entry<dir_entries; entry++) {
X dir = search(entry);
X /* if empty */
X if (dir->name[0] == NULL)
X break;
X /* if erased */
X if (dir->name[0] == 0xe5)
X continue;
X /* if dir or volume lable */
X if ((dir->attr & 0x10) || (dir->attr & 0x08))
X continue;
X strncpy(tname, dir->name, 8);
X strncpy(text, dir->ext, 3);
X newfile = unixname(tname, text);
X /* see it if matches the pattern */
X if (match(newfile, filename)) {
X#ifdef VERBOSE
X printf("Removing %s\n", newfile);
X#endif
X ismatch = 1;
X if (dir->attr & 0x01) {
X while (!nogo) {
X printf("mdel: '%s' is read only, erase anyway (y/n) ? ", newfile);
X gets(ans);
X if (ans[0] == 'y' || ans[0] == 'Y')
X break;
X if (ans[0] == 'n' || ans[0] == 'N')
X nogo = 1;
X }
X if (nogo)
X continue;
X }
X start = dir->start[1]*0x100 + dir->start[0];
X zapit(start);
X dir->name[0] = 0xe5;
X writedir(entry, dir);
X }
X }
X if (!ismatch) {
X fprintf(stderr, "mdel: File '%s' not found\n", filename);
X continue;
X }
X }
X /* update the FAT sectors */
X writefat();
X close(fd);
X exit(0);
X}
SHAR_EOF
if test 2580 -ne "`wc -c < 'mdel.c'`"
then
echo shar: "error transmitting 'mdel.c'" '(should have been 2580 characters)'
fi
fi
echo shar: "extracting 'mdir.c'" '(4372 characters)'
if test -f 'mdir.c'
then
echo shar: "will not over-write existing file 'mdir.c'"
else
sed 's/^X//' << \SHAR_EOF > 'mdir.c'
X/*
X * Display a MSDOS directory
X *
X * Emmet P. Gray US Army, HQ III Corps & Fort Hood
X * ...!ihnp4!uiucuxc!fthood!egray Attn: AFZF-DE-ENV
X * Directorate of Engineering & Housing
X * Environmental Management Office
X * Fort Hood, TX 76544-5057
X */
X
X#include <stdio.h>
X#include "msdos.h"
X
Xint fd; /* the file descriptor for the floppy */
Xint dir_start; /* starting sector for directory */
Xint dir_len; /* length of directory (in sectors) */
Xint dir_entries; /* number of directory entries */
Xint dir_chain[25]; /* chain of sectors in directory */
Xint clus_size; /* cluster size (in sectors) */
Xint fat_len; /* length of FAT table (in sectors) */
Xint num_clus; /* number of available clusters */
Xunsigned char *fatbuf; /* the File Allocation Table */
Xchar *mcwd; /* the current working directory */
X
Xmain(argc, argv)
Xint argc;
Xchar *argv[];
X{
X int i, entry, files, blocks, subdir(), fargn, wide;
X long size;
X char name[9], ext[4], *date, *time, *convdate(), *convtime();
X char *strncpy(), *dirname, *getname(), *getpath(), *pathname, sep;
X char *newfile, *filename, *malloc(), *unixname(), volume[12];
X char *strcpy(), *strcat();
X void exit();
X struct directory *dir, *search();
X
X if (init(0)) {
X fprintf(stderr, "mdir: Cannot initialize diskette\n");
X exit(1);
X }
X /* find the volume label */
X reset_dir();
X for (entry=0; entry<dir_entries; entry++) {
X dir = search(entry);
X strncpy(name, dir->name, 8);
X strncpy(ext, dir->ext, 3);
X /* if empty */
X if (dir->name[0] == NULL)
X break;
X /* if not volume label */
X if (!(dir->attr & 0x08))
X continue;
X strcpy(volume, name);
X strcat(volume, ext);
X break;
X }
X if (volume[0] == NULL)
X printf(" Volume in drive has no label\n");
X else
X printf(" Volume in drive is %s\n", volume);
X fargn = 1;
X wide = 0;
X /* first argument number */
X if (argc > 1) {
X if (!strcmp(argv[1], "-w")) {
X wide = 1;
X fargn = 2;
X }
X }
X /* fake an argument */
X if (argc == fargn) {
X argv[argc] = ".";
X argc++;
X }
X files = 0;
X for (i=fargn; i<argc; i++) {
X filename = getname(argv[i]);
X pathname = getpath(argv[i]);
X /* move to first guess subdirectory */
X /* required by isdir() */
X if (subdir(pathname))
X continue;
X if (isdir(filename)) {
X dirname = malloc(strlen(argv[i])+1);
X strcpy(dirname, pathname);
X if (strcmp(pathname,"/") && strcmp(pathname, "\\")) {
X if (*pathname != NULL)
X strcat(dirname, "/");
X }
X strcat(dirname, filename);
X /* move to real subdirectory */
X if (subdir(dirname))
X continue;
X filename = "*";
X }
X if (*filename == NULL)
X filename = "*";
X if (*dirname == '/' || *dirname == '\\')
X printf(" Directory for %s\n\n", dirname);
X else if (!strcmp(dirname, "."))
X printf(" Directory for %s\n\n", mcwd);
X else {
X if (strlen(mcwd) == 1 || !strlen(dirname))
X sep = NULL;
X else
X sep = '/';
X printf(" Directory for %s%c%s\n\n", mcwd, sep, dirname);
X }
X for (entry=0; entry<dir_entries; entry++) {
X dir = search(entry);
X strncpy(name, dir->name, 8);
X strncpy(ext, dir->ext, 3);
X newfile = unixname(name, ext);
X /* if empty */
X if (dir->name[0] == NULL)
X break;
X /* if erased */
X if (dir->name[0] == 0xe5)
X continue;
X /* if a volume label */
X if (dir->attr & 0x08)
X continue;
X if (!match(newfile, filename))
X continue;
X files++;
X if (wide && files != 1) {
X if (!((files-1) % 5))
X putchar('\n');
X }
X date = convdate(dir->date[1], dir->date[0]);
X time = convtime(dir->time[1], dir->time[0]);
X size = dir->size[2]*0x10000 + dir->size[1]*0x100 + dir->size[0];
X /* is a subdirectory */
X if (dir->attr & 0x10) {
X if (wide)
X printf("%-15.15s", name);
X else
X printf("%8s <DIR> %s %s\n", name, date, time);
X continue;
X }
X if (wide)
X printf("%-9.9s%-6.6s", name, ext);
X else
X printf("%8s %3s %8d %s %s\n", name, ext, size, date, time);
X }
X if (argc > 2)
X putchar('\n');
X }
X blocks = getfree() * MSECSIZ;
X if (!files)
X printf("File '%s' not found\n", filename);
X else
X printf(" %3d File(s) %6ld bytes free\n", files, blocks);
X close(fd);
X exit(0);
X}
X
X/*
X * Get the amount of free space on the diskette
X */
X
Xint getfree()
X{
X int i;
X static int total;
X
X total = 0;
X for (i=2; i<num_clus+2; i++) {
X /* if getfat returns zero */
X if (!getfat(i))
X total += clus_size;
X }
X return(total);
X}
SHAR_EOF
if test 4372 -ne "`wc -c < 'mdir.c'`"
then
echo shar: "error transmitting 'mdir.c'" '(should have been 4372 characters)'
fi
fi
exit 0
# End of shell archive
--
Rich $alz
Cronus Project, BBN Labs rsalz@bbn.com
Moderator, comp.sources.unix sources@uunet.uu.net