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userptr.c revision 1.8 
      1 /*	$NetBSD: userptr.c,v 1.8 2001/06/13 10:45:59 wiz Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998-1999 Brett Lymn (blymn (at) baea.com.au, brett_lymn (at) 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 <menu.h>
     30 #include <stdlib.h>
     31 #include <string.h>
     32 
     33 /* the following is defined in menu.c */
     34 extern MENU _menui_default_menu;
     35 
     36 /* the following is defined in item.c */
     37 extern ITEM _menui_default_item;
     38 
     39 /*
     40  * Set the item user pointer data
     41  */
     42 int
     43 set_item_userptr(ITEM *param_item, char *userptr)
     44 {
     45 	ITEM *item = (param_item != NULL) ? param_item : &_menui_default_item;
     46 
     47         item->userptr = userptr;
     48         return E_OK;
     49 }
     50 
     51 
     52 /*
     53  * Return the item user pointer
     54  */
     55 char *
     56 item_userptr(ITEM *item)
     57 {
     58 	if (item == NULL)
     59 		return _menui_default_item.userptr;
     60 	else
     61 		return item->userptr;
     62 }
     63 
     64 /*
     65  * Return the user pointer for the given menu
     66  */
     67 char *
     68 menu_userptr(MENU *menu)
     69 {
     70 	if (menu == NULL)
     71 		return _menui_default_menu.userptr;
     72 	else
     73 		return menu->userptr;
     74 }
     75 
     76 /*
     77  * Set the user pointer for the given menu
     78  */
     79 int
     80 set_menu_userptr(MENU *param_menu, char *userptr)
     81 {
     82 	MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu;
     83 
     84         menu->userptr = userptr;
     85 
     86         return E_OK;
     87 }
     88 
     89