1 /* $OpenBSD: m_new.c,v 1.8 2010/01/12 23:22:08 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998-2004,2006 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Juergen Pfeifer, 1995,1997 * 33 ****************************************************************************/ 34 35 /*************************************************************************** 36 * Module m_new * 37 * Creation and destruction of new menus * 38 ***************************************************************************/ 39 40 #include "menu.priv.h" 41 42 MODULE_ID("$Id: m_new.c,v 1.8 2010/01/12 23:22:08 nicm Exp $") 43 44 /*--------------------------------------------------------------------------- 45 | Facility : libnmenu 46 | Function : MENU *new_menu(ITEM **items) 47 | 48 | Description : Creates a new menu connected to the item pointer 49 | array items and returns a pointer to the new menu. 50 | The new menu is initialized with the values from the 51 | default menu. 52 | 53 | Return Values : NULL on error 54 +--------------------------------------------------------------------------*/ 55 NCURSES_EXPORT(MENU *) 56 new_menu(ITEM ** items) 57 { 58 int err = E_SYSTEM_ERROR; 59 MENU *menu = (MENU *) calloc(1, sizeof(MENU)); 60 61 T((T_CALLED("new_menu(%p)"), items)); 62 if (menu) 63 { 64 *menu = _nc_Default_Menu; 65 menu->status = 0; 66 menu->rows = menu->frows; 67 menu->cols = menu->fcols; 68 if (items && *items) 69 { 70 if (!_nc_Connect_Items(menu, items)) 71 { 72 err = E_NOT_CONNECTED; 73 free(menu); 74 menu = (MENU *) 0; 75 } 76 } 77 } 78 79 if (!menu) 80 SET_ERROR(err); 81 82 returnMenu(menu); 83 } 84 85 /*--------------------------------------------------------------------------- 86 | Facility : libnmenu 87 | Function : int free_menu(MENU *menu) 88 | 89 | Description : Disconnects menu from its associated item pointer 90 | array and frees the storage allocated for the menu. 91 | 92 | Return Values : E_OK - success 93 | E_BAD_ARGUMENT - Invalid menu pointer passed 94 | E_POSTED - Menu is already posted 95 +--------------------------------------------------------------------------*/ 96 NCURSES_EXPORT(int) 97 free_menu(MENU * menu) 98 { 99 T((T_CALLED("free_menu(%p)"), menu)); 100 if (!menu) 101 RETURN(E_BAD_ARGUMENT); 102 103 if (menu->status & _POSTED) 104 RETURN(E_POSTED); 105 106 if (menu->items) 107 _nc_Disconnect_Items(menu); 108 109 if ((menu->status & _MARK_ALLOCATED) && menu->mark) 110 free(menu->mark); 111 112 free(menu); 113 RETURN(E_OK); 114 } 115 116 /* m_new.c ends here */ 117