rom/partition/getpartitiontableattrs.c

   1 /*
   2     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5 */
   6
   7 #include <proto/utility.h>
   8
   9 #include "partition_support.h"
  10 #include "platform.h"
  11 #include "debug.h"
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16 #include <utility/tagitem.h>
  17 #include <libraries/partition.h>
  18
  19    AROS_LH2(LONG, GetPartitionTableAttrs,
  20
  21 /*  SYNOPSIS */
  22    AROS_LHA(struct PartitionHandle *, root,       A1),
  23    AROS_LHA(const struct TagItem *,   taglist,    A2),
  24
  25 /*  LOCATION */
  26    struct Library *, PartitionBase, 13, Partition)
  27
  28 /*  FUNCTION
  29     get attributes of a partition table
  30
  31     INPUTS
  32     ph      - PartitionHandle of the partition table
  33     taglist - list of attributes; unknown tags are ignored
  34         PTT_TYPE     - ULONG *           ; get partition table type
  35         PTT_MAXLEADIN     - LONG *
  36         PTT_RESERVED - ULONG *           ; get number of reserved blocks
  37
  38     RESULT
  39
  40     NOTES
  41
  42     EXAMPLE
  43
  44     BUGS
  45
  46     SEE ALSO
  47
  48     INTERNALS
  49
  50     HISTORY
  51     21-02-02    first version
  52
  53 *****************************************************************************/
  54 {
  55     AROS_LIBFUNC_INIT
  56
  57     if (root->table)
  58     {
  59         struct PTFunctionTable *handler = root->table->handler;
  60         struct TagItem *tag;
  61
  62         while ((tag = NextTagItem((struct TagItem **)&taglist)))
  63         {
  64             LONG sup;
  65
  66             if (handler->getPartitionTableAttr)
  67                 sup = handler->getPartitionTableAttr(PartitionBase, root, tag);
  68             else
  69                 sup = 0;
  70
  71             if (!sup)
  72             {
  73                 switch (tag->ti_Tag)
  74                 {
  75                 case PTT_TYPE:
  76                     *((LONG *)tag->ti_Data) = root->table->type;
  77                     break;
  78
  79                 case PTT_MAXLEADIN:
  80                 case PTT_RESERVED:
  81                 case PTT_MAX_PARTITIONS:
  82                     *((LONG *)tag->ti_Data) = 0;
  83                     break;
  84                 }
  85             }
  86         }
  87
  88         return 1;
  89     }
  90
  91     /* There's no partition table here */
  92     return 0;
  93
  94     AROS_LIBFUNC_EXIT
  95 }