lib/libmenu/userptr.c

   1 /*      $NetBSD: userptr.c,v 1.9 2003/03/09 01:08:48 lukem Exp $        */
   2
   3 /*-
   4  * Copyright (c) 1998-1999 Brett Lymn (blymn@baea.com.au, brett_lymn@yahoo.com.au)
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  *
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __RCSID("$NetBSD: userptr.c,v 1.9 2003/03/09 01:08:48 lukem Exp $");
  31
  32 #include <menu.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35
  36 /* the following is defined in menu.c */
  37 extern MENU _menui_default_menu;
  38
  39 /* the following is defined in item.c */
  40 extern ITEM _menui_default_item;
  41
  42 /*
  43  * Set the item user pointer data
  44  */
  45 int
  46 set_item_userptr(ITEM *param_item, char *userptr)
  47 {
  48         ITEM *item = (param_item != NULL) ? param_item : &_menui_default_item;
  49
  50         item->userptr = userptr;
  51         return E_OK;
  52 }
  53
  54
  55 /*
  56  * Return the item user pointer
  57  */
  58 char *
  59 item_userptr(ITEM *item)
  60 {
  61         if (item == NULL)
  62                 return _menui_default_item.userptr;
  63         else
  64                 return item->userptr;
  65 }
  66
  67 /*
  68  * Return the user pointer for the given menu
  69  */
  70 char *
  71 menu_userptr(MENU *menu)
  72 {
  73         if (menu == NULL)
  74                 return _menui_default_menu.userptr;
  75         else
  76                 return menu->userptr;
  77 }
  78
  79 /*
  80  * Set the user pointer for the given menu
  81  */
  82 int
  83 set_menu_userptr(MENU *param_menu, char *userptr)
  84 {
  85         MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu;
  86
  87         menu->userptr = userptr;
  88
  89         return E_OK;
  90 }
  91