xref: /minix3/lib/libmenu/userptr.c (revision b618a1ee0b63a120cb1d99249a82c6843ff3e4f4)
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
set_item_userptr(ITEM * param_item,char * userptr)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 *
item_userptr(ITEM * item)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 *
menu_userptr(MENU * menu)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
set_menu_userptr(MENU * param_menu,char * userptr)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 
92