text: /*	$NetBSD: devopen.c,v 1.3 2000/01/16 03:07:24 takemura Exp $	*/
  
  /*-
   * Copyright (c) 1999 Shin Takemura.
   * All rights reserved.
   *
   * This software is part of the PocketBSD.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 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. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the PocketBSD project
   *	and its contributors.
   * 4. Neither the name of the project 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 REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   */
  #define STANDALONE_WINDOWS_SIDE
  #include <stand.h>
  #include <winblk.h>
  #include <winfs.h>
  #include <lib/libsa/ufs.h>
  
  extern int parsebootfile __P((const char *, char**, char**, unsigned int*,
                                unsigned int*, const char**));
  
  struct devsw devsw[] = {
  	{"winblk", winblkstrategy, winblkopen, winblkclose, winblkioctl },
  };
  int ndevs = sizeof(devsw) / sizeof(struct devsw);
  
  static struct fs_ops winop = {
          win_open, win_close, win_read, win_write, win_seek, win_stat
  };
  
  static struct fs_ops ufsop = {
          ufs_open, ufs_close, ufs_read, ufs_write, ufs_seek, ufs_stat
  };
  
  struct fs_ops   file_system[] = {
  	{ 0 },
  };
  int nfsys = 1;
  
  int
  parsebootfile(fnamexx, fsmode, devname, unit, partition, file)
          const char     *fnamexx;
          char          **fsmode; /* out */
          char          **devname; /* out */
          unsigned int   *unit, *partition; /* out */
          const char    **file; /* out */
  {
  	TCHAR *fname = (TCHAR*)fnamexx;
  
  	if (fname[0] == TEXT('\\')) {
  	        *fsmode = "win";
  	        *devname = "";
  	        *unit = 0;
  	        *partition = 0;
  		*file = fname;
  	} else {
  		static char name[1024]; /* XXX */
  
  		if (wcstombs(name, (TCHAR*)fname, sizeof(name)) < 0) {
  			return (ENOENT);
  		}
  		if ('1' <= name[0] && name[0] <= '9' && name[1] == ':') {
  			*unit = name[0] - '0';
  			*file = &name[2];
  		} else {
  		        *unit = 1;
  			*file = name;
  		}
  	        *fsmode = "ufs";
  	        *devname = "DSK";
  	        *partition = 0;
  	}
  
  	return (0);
  }
  
  
  int
  devopen(f, fname, file)
          struct open_file *f;
          const char     *fname;
          char          **file;
  {
          char           *devname;
          char           *fsmode;
          unsigned int    unit, partition;
          int             error;
  
          if ((error = parsebootfile(fname, &fsmode, &devname, &unit,
              &partition, (const char **) file)))
                  return (error);
  	
          if (!strcmp(fsmode, "win")) {
                  file_system[0] = winop;
                  f->f_flags |= F_NODEV;  /* handled by Windows */
                  return (0);
  	} else
          if (!strcmp(fsmode, "ufs")) {
                  file_system[0] = ufsop;
  		f->f_dev = &devsw[0];	/* Windows block device. */
                  return (*f->f_dev->dv_open)(f, devname, unit, partition);
  	} else {
                  printf("no file system\n");
                  return (ENXIO);
  	}
  	/* NOTREACHED */
  }
  