rom/dos/inhibit.c

   1 /*
   2     Copyright © 1995-2006, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5 #include <proto/exec.h>
   6
   7 #include "dos_intern.h"
   8
   9 /*****************************************************************************
  10
  11     NAME */
  12 #include <proto/dos.h>
  13
  14         AROS_LH2(LONG, Inhibit,
  15
  16 /*  SYNOPSIS */
  17         AROS_LHA(CONST_STRPTR, name,  D1),
  18         AROS_LHA(LONG,         onoff, D2),
  19
  20 /*  LOCATION */
  21         struct DosLibrary *, DOSBase, 121, Dos)
  22
  23 /*  FUNCTION
  24
  25     Stop a filesystem from being used.
  26
  27     INPUTS
  28
  29     name   --  Name of the device to inhibit (including a ':')
  30     onoff  --  Specify whether to inhinit (DOSTRUE) or uninhibit (DOSFALSE)
  31                the device
  32
  33     RESULT
  34
  35     A boolean telling whether the action was carried out.
  36
  37     NOTES
  38
  39     After uninhibiting a device anything might have happened like the disk
  40     in the drive was removed.
  41
  42     EXAMPLE
  43
  44     BUGS
  45
  46     SEE ALSO
  47
  48     INTERNALS
  49
  50 *****************************************************************************/
  51 {
  52     AROS_LIBFUNC_INIT
  53     AROS_LIBBASE_EXT_DECL(struct DosLibrary *, DOSBase)
  54
  55     struct IOFileSys iofs;
  56
  57     InitIOFS(&iofs, FSA_INHIBIT, DOSBase);
  58
  59     iofs.IOFS.io_Device = GetDevice(name, &iofs.IOFS.io_Unit, DOSBase);
  60
  61     if(iofs.IOFS.io_Device == NULL)
  62         return DOSFALSE;
  63
  64     iofs.io_Union.io_INHIBIT.io_Inhibit = onoff == DOSTRUE ? TRUE : FALSE;
  65
  66     DosDoIO(&iofs.IOFS);
  67
  68     return iofs.io_DosError == 0 ? DOSTRUE : DOSFALSE;
  69
  70     AROS_LIBFUNC_EXIT
  71 } /* Inhibit */