rom/utility/findtagitem.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include <exec/types.h>
   9 #include <utility/utility.h>
  10 #include <utility/tagitem.h>
  11 #include <aros/libcall.h>
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16 #include <proto/utility.h>
  17
  18         AROS_LH2(struct TagItem *, FindTagItem,
  19
  20 /*  SYNOPSIS */
  21         AROS_LHA(Tag,                    tagValue, D0),
  22         AROS_LHA(const struct TagItem *, tagList,  A0),
  23
  24 /*  LOCATION */
  25         struct UtilityBase *, UtilityBase, 5, Utility)
  26
  27 /*  FUNCTION
  28
  29     INPUTS
  30
  31     RESULT
  32
  33     NOTES
  34
  35     EXAMPLE
  36
  37     BUGS
  38
  39     SEE ALSO
  40
  41     INTERNALS
  42
  43     HISTORY
  44
  45 *****************************************************************************/
  46 {
  47     AROS_LIBFUNC_INIT
  48
  49     struct TagItem *tag;
  50     const struct TagItem *tagptr = tagList;
  51
  52     while( (tag = NextTagItem(&tagptr)) )
  53     {
  54         if(tag->ti_Tag == tagValue) return tag;
  55     }
  56
  57     return NULL;
  58
  59     AROS_LIBFUNC_EXIT
  60 } /* FindTagItem */