1 /* $OpenBSD: m_items.c,v 1.8 2023/10/17 09:52:10 nicm Exp $ */
2
3 /****************************************************************************
4 * Copyright 2020,2021 Thomas E. Dickey *
5 * Copyright 1998-2005,2010 Free Software Foundation, Inc. *
6 * *
7 * Permission is hereby granted, free of charge, to any person obtaining a *
8 * copy of this software and associated documentation files (the *
9 * "Software"), to deal in the Software without restriction, including *
10 * without limitation the rights to use, copy, modify, merge, publish, *
11 * distribute, distribute with modifications, sublicense, and/or sell *
12 * copies of the Software, and to permit persons to whom the Software is *
13 * furnished to do so, subject to the following conditions: *
14 * *
15 * The above copyright notice and this permission notice shall be included *
16 * in all copies or substantial portions of the Software. *
17 * *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
25 * *
26 * Except as contained in this notice, the name(s) of the above copyright *
27 * holders shall not be used in advertising or otherwise to promote the *
28 * sale, use or other dealings in this Software without prior written *
29 * authorization. *
30 ****************************************************************************/
31
32 /****************************************************************************
33 * Author: Juergen Pfeifer, 1995,1997 *
34 ****************************************************************************/
35
36 /***************************************************************************
37 * Module m_items *
38 * Connect and disconnect items to and from menus *
39 ***************************************************************************/
40
41 #include "menu.priv.h"
42
43 MODULE_ID("$Id: m_items.c,v 1.8 2023/10/17 09:52:10 nicm Exp $")
44
45 /*---------------------------------------------------------------------------
46 | Facility : libnmenu
47 | Function : int set_menu_items(MENU *menu, ITEM **items)
48 |
49 | Description : Sets the item pointer array connected to menu.
50 |
51 | Return Values : E_OK - success
52 | E_POSTED - menu is already posted
53 | E_CONNECTED - one or more items are already connected
54 | to another menu.
55 | E_BAD_ARGUMENT - An incorrect menu or item array was
56 | passed to the function
57 +--------------------------------------------------------------------------*/
MENU_EXPORT(int)58 MENU_EXPORT(int)
59 set_menu_items(MENU *menu, ITEM **items)
60 {
61 T((T_CALLED("set_menu_items(%p,%p)"), (void *)menu, (void *)items));
62
63 if (!menu || (items && !(*items)))
64 RETURN(E_BAD_ARGUMENT);
65
66 if (menu->status & _POSTED)
67 RETURN(E_POSTED);
68
69 if (menu->items)
70 _nc_Disconnect_Items(menu);
71
72 if (items)
73 {
74 if (!_nc_Connect_Items(menu, items))
75 RETURN(E_CONNECTED);
76 }
77
78 menu->items = items;
79 RETURN(E_OK);
80 }
81
82 /*---------------------------------------------------------------------------
83 | Facility : libnmenu
84 | Function : ITEM **menu_items(const MENU *menu)
85 |
86 | Description : Returns a pointer to the item pointer array of the menu
87 |
88 | Return Values : NULL on error
89 +--------------------------------------------------------------------------*/
90 MENU_EXPORT(ITEM **)
menu_items(const MENU * menu)91 menu_items(const MENU *menu)
92 {
93 T((T_CALLED("menu_items(%p)"), (const void *)menu));
94 returnItemPtr(menu ? menu->items : (ITEM **)0);
95 }
96
97 /*---------------------------------------------------------------------------
98 | Facility : libnmenu
99 | Function : int item_count(const MENU *menu)
100 |
101 | Description : Get the number of items connected to the menu. If the
102 | menu pointer is NULL we return -1.
103 |
104 | Return Values : Number of items or -1 to indicate error.
105 +--------------------------------------------------------------------------*/
106 MENU_EXPORT(int)
item_count(const MENU * menu)107 item_count(const MENU *menu)
108 {
109 T((T_CALLED("item_count(%p)"), (const void *)menu));
110 returnCode(menu ? menu->nitems : -1);
111 }
112
113 /* m_items.c ends here */
114