Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!uunet!mcsun!inria!laas!ralph
From: ralph@laas.fr (Ralph P. Sobek)
Newsgroups: comp.sys.atari.st
Subject: Re: SPARCstation floppy drive (again)
Message-ID: <RALPH.90Oct8121408@orion.laas.fr>
Date: 8 Oct 90 11:14:08 GMT
References: <SPA.90Sep28095809@host.fctunl.rccn.pt>
	<14582@mentor.cc.purdue.edu> <SCOTT.90Oct1000340@tab00.larc.nasa.gov>
Sender: news@laas.laas.fr
Reply-To: ralph@laas.fr
Organization: LAAS-CNRS France
Lines: 68
In-reply-to: scott@tab00.larc.nasa.gov's message of 1 Oct 90 04:03:40 GMT

I have absolutely no problem in formating/reading/writing PC and ST
compatible floppies, using the mtools package which was posted to the
net (comp.sources.sun, I believe).  I had to add another patch in
order to make the floppies readable under Gulam; Gulam does not seem
to like an all-blanks volume label.

Mtools is not perfect, but I use it very often.  I've tried to
contact the author -- but no luck.  For those that might
be interested I'll post my private `patch4' here.  Just run it through
patch. 

*** ./init.c	Thu Jun 14 13:01:58 1990
--- 1.6.2/init.c	Tue May 29 17:41:27 1990
***************
*** 11,17 ****
  #include "devices.h"
  #include "msdos.h"
  
! #define DUP_FAT
  
  extern int fd, dir_len, dir_start, clus_size, fat_len, num_clus;
  extern unsigned char *fatbuf;
--- 11,17 ----
  #include "devices.h"
  #include "msdos.h"
  
! /* #undef DUP_FAT */
  
  extern int fd, dir_len, dir_start, clus_size, fat_len, num_clus;
  extern unsigned char *fatbuf;
*** ./mkdfs.c	Thu Jun 14 12:39:04 1990
--- 1.6.2/mkdfs.c	Wed Jun  6 10:55:32 1990
***************
*** 95,108 ****
      for( sec=fat_len; --sec ; )
        Write(fd,buf,MSECSIZ) ;  /* Rest of FAT */
    }
!   if (strncmp(disklabel,"           ",11) != 0) {
!       strcpy(((struct directory *)buf)->name,disklabel) ;
!       ((struct directory *)buf)->attr= VOLLBL ;
!       Write(fd,buf,MSECSIZ) ;  /* Root dir */
!       bzero(buf,strlen(disklabel)) ;
!       ((struct directory *)buf)->attr= 0 ;
!   }
!   else dir_len++ ;
    for( ; --dir_len ; )
      Write(fd,buf,MSECSIZ) ;  /* Root dir */
  }
--- 95,105 ----
      for( sec=fat_len; --sec ; )
        Write(fd,buf,MSECSIZ) ;  /* Rest of FAT */
    }
!   strcpy(((struct directory *)buf)->name,disklabel) ;
!   ((struct directory *)buf)->attr= VOLLBL ;
!   Write(fd,buf,MSECSIZ) ;  /* Root dir */
!   bzero(buf,strlen(disklabel)) ;
!   ((struct directory *)buf)->attr= 0 ;
    for( ; --dir_len ; )
      Write(fd,buf,MSECSIZ) ;  /* Root dir */
  }

--
Ralph P. Sobek			  Disclaimer: The above ruminations are my own.
ralph@laas.fr				   Addresses are ordered by importance.
ralph@laas.uucp, or ...!uunet!laas!ralph		
If all else fails, try:				      sobek@eclair.Berkeley.EDU
===============================================================================
Reliable software should kill people reliably! -Andy Mickel, Pascal News #13,78