xref: /netbsd/lib/libmenu/userptr.c (revision bf9ec67e)
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@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 <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