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 +--------------------------------------------------------------------------*/ 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 **) 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) 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