xref: /netbsd-src/lib/libmenu/userptr.c (revision 89c5a767f8fc7a4633b2d409966e2becbb98ff92)
1 /*	$NetBSD: userptr.c,v 1.6 2000/03/05 04:09:53 blymn 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 withough 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(param_item, userptr)
44         ITEM *param_item;
45         char *userptr;
46 {
47 	ITEM *item = (param_item != NULL) ? param_item : &_menui_default_item;
48 
49         item->userptr = userptr;
50         return E_OK;
51 }
52 
53 
54 /*
55  * Return the item user pointer
56  */
57 char *
58 item_userptr(item)
59         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)
72         MENU *menu;
73 {
74 	if (menu == NULL)
75 		return _menui_default_menu.userptr;
76 	else
77 		return menu->userptr;
78 }
79 
80 /*
81  * Set the user pointer for the given menu
82  */
83 int
84 set_menu_userptr(param_menu, userptr)
85         MENU *param_menu;
86         char *userptr;
87 {
88 	MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu;
89 
90         menu->userptr = userptr;
91 
92         return E_OK;
93 }
94 
95