workbench/libs/datatypes/findmethod.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: English
   7 */
   8 #include "datatypes_intern.h"
   9 #include <proto/utility.h>
  10 #include <utility/tagitem.h>
  11 #include <dos/dostags.h>
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16
  17         AROS_LH2(ULONG *, FindMethod,
  18
  19 /*  SYNOPSIS */
  20         AROS_LHA(ULONG *, methods       , A0),
  21         AROS_LHA(ULONG  , searchmethodid, A1),
  22
  23 /*  LOCATION */
  24         struct Library *, DataTypesBase, 43, DataTypes)
  25
  26 /*  FUNCTION
  27
  28     Search for a specific method in a array of methods.
  29
  30     INPUTS
  31
  32     methods         --  array of methods; may be NULL
  33     searchmethodid  --  method to search for
  34
  35     RESULT
  36
  37     Pointer to method table entry or NULL if the method wasn't found.
  38
  39     NOTES
  40
  41     EXAMPLE
  42
  43     BUGS
  44
  45     SEE ALSO
  46
  47     GetDTMethods(), CopyDTMethods()
  48
  49     INTERNALS
  50
  51     HISTORY
  52
  53     2.8.99  SDuvan  implemented
  54
  55 *****************************************************************************/
  56 {
  57     AROS_LIBFUNC_INIT
  58
  59     if(methods == NULL)
  60         return NULL;
  61
  62     while(((LONG)(*methods)) != -1)
  63     {
  64         if(*methods == searchmethodid)
  65             return methods;
  66
  67         methods++;
  68     }
  69
  70     return NULL;
  71
  72     AROS_LIBFUNC_EXIT
  73 } /* FindMethod */