xref: /minix3/lib/libmenu/userptr.c (revision b618a1ee0b63a120cb1d99249a82c6843ff3e4f4)
1*b618a1eeSThomas Cort /*	$NetBSD: userptr.c,v 1.9 2003/03/09 01:08:48 lukem Exp $	*/
2*b618a1eeSThomas Cort 
3*b618a1eeSThomas Cort /*-
4*b618a1eeSThomas Cort  * Copyright (c) 1998-1999 Brett Lymn (blymn@baea.com.au, brett_lymn@yahoo.com.au)
5*b618a1eeSThomas Cort  * All rights reserved.
6*b618a1eeSThomas Cort  *
7*b618a1eeSThomas Cort  * Redistribution and use in source and binary forms, with or without
8*b618a1eeSThomas Cort  * modification, are permitted provided that the following conditions
9*b618a1eeSThomas Cort  * are met:
10*b618a1eeSThomas Cort  * 1. Redistributions of source code must retain the above copyright
11*b618a1eeSThomas Cort  *    notice, this list of conditions and the following disclaimer.
12*b618a1eeSThomas Cort  * 2. The name of the author may not be used to endorse or promote products
13*b618a1eeSThomas Cort  *    derived from this software without specific prior written permission
14*b618a1eeSThomas Cort  *
15*b618a1eeSThomas Cort  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16*b618a1eeSThomas Cort  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17*b618a1eeSThomas Cort  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18*b618a1eeSThomas Cort  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19*b618a1eeSThomas Cort  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20*b618a1eeSThomas Cort  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21*b618a1eeSThomas Cort  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22*b618a1eeSThomas Cort  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23*b618a1eeSThomas Cort  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24*b618a1eeSThomas Cort  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25*b618a1eeSThomas Cort  *
26*b618a1eeSThomas Cort  *
27*b618a1eeSThomas Cort  */
28*b618a1eeSThomas Cort 
29*b618a1eeSThomas Cort #include <sys/cdefs.h>
30*b618a1eeSThomas Cort __RCSID("$NetBSD: userptr.c,v 1.9 2003/03/09 01:08:48 lukem Exp $");
31*b618a1eeSThomas Cort 
32*b618a1eeSThomas Cort #include <menu.h>
33*b618a1eeSThomas Cort #include <stdlib.h>
34*b618a1eeSThomas Cort #include <string.h>
35*b618a1eeSThomas Cort 
36*b618a1eeSThomas Cort /* the following is defined in menu.c */
37*b618a1eeSThomas Cort extern MENU _menui_default_menu;
38*b618a1eeSThomas Cort 
39*b618a1eeSThomas Cort /* the following is defined in item.c */
40*b618a1eeSThomas Cort extern ITEM _menui_default_item;
41*b618a1eeSThomas Cort 
42*b618a1eeSThomas Cort /*
43*b618a1eeSThomas Cort  * Set the item user pointer data
44*b618a1eeSThomas Cort  */
45*b618a1eeSThomas Cort int
set_item_userptr(ITEM * param_item,char * userptr)46*b618a1eeSThomas Cort set_item_userptr(ITEM *param_item, char *userptr)
47*b618a1eeSThomas Cort {
48*b618a1eeSThomas Cort 	ITEM *item = (param_item != NULL) ? param_item : &_menui_default_item;
49*b618a1eeSThomas Cort 
50*b618a1eeSThomas Cort         item->userptr = userptr;
51*b618a1eeSThomas Cort         return E_OK;
52*b618a1eeSThomas Cort }
53*b618a1eeSThomas Cort 
54*b618a1eeSThomas Cort 
55*b618a1eeSThomas Cort /*
56*b618a1eeSThomas Cort  * Return the item user pointer
57*b618a1eeSThomas Cort  */
58*b618a1eeSThomas Cort char *
item_userptr(ITEM * item)59*b618a1eeSThomas Cort item_userptr(ITEM *item)
60*b618a1eeSThomas Cort {
61*b618a1eeSThomas Cort 	if (item == NULL)
62*b618a1eeSThomas Cort 		return _menui_default_item.userptr;
63*b618a1eeSThomas Cort 	else
64*b618a1eeSThomas Cort 		return item->userptr;
65*b618a1eeSThomas Cort }
66*b618a1eeSThomas Cort 
67*b618a1eeSThomas Cort /*
68*b618a1eeSThomas Cort  * Return the user pointer for the given menu
69*b618a1eeSThomas Cort  */
70*b618a1eeSThomas Cort char *
menu_userptr(MENU * menu)71*b618a1eeSThomas Cort menu_userptr(MENU *menu)
72*b618a1eeSThomas Cort {
73*b618a1eeSThomas Cort 	if (menu == NULL)
74*b618a1eeSThomas Cort 		return _menui_default_menu.userptr;
75*b618a1eeSThomas Cort 	else
76*b618a1eeSThomas Cort 		return menu->userptr;
77*b618a1eeSThomas Cort }
78*b618a1eeSThomas Cort 
79*b618a1eeSThomas Cort /*
80*b618a1eeSThomas Cort  * Set the user pointer for the given menu
81*b618a1eeSThomas Cort  */
82*b618a1eeSThomas Cort int
set_menu_userptr(MENU * param_menu,char * userptr)83*b618a1eeSThomas Cort set_menu_userptr(MENU *param_menu, char *userptr)
84*b618a1eeSThomas Cort {
85*b618a1eeSThomas Cort 	MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu;
86*b618a1eeSThomas Cort 
87*b618a1eeSThomas Cort         menu->userptr = userptr;
88*b618a1eeSThomas Cort 
89*b618a1eeSThomas Cort         return E_OK;
90*b618a1eeSThomas Cort }
91*b618a1eeSThomas Cort 
92