1/**************************************************************************** 2 * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29/**************************************************************************** 30 * Author: Juergen Pfeifer, 1995,1997 * 31 ****************************************************************************/ 32 33/*************************************************************************** 34* Module m_new * 35* Creation and destruction of new menus * 36***************************************************************************/ 37 38#include "menu.priv.h" 39 40MODULE_ID("$Id: m_new.c,v 1.16 2004/12/25 21:57:53 tom Exp $") 41 42/*--------------------------------------------------------------------------- 43| Facility : libnmenu 44| Function : MENU *new_menu(ITEM **items) 45| 46| Description : Creates a new menu connected to the item pointer 47| array items and returns a pointer to the new menu. 48| The new menu is initialized with the values from the 49| default menu. 50| 51| Return Values : NULL on error 52+--------------------------------------------------------------------------*/ 53NCURSES_EXPORT(MENU *) 54new_menu(ITEM ** items) 55{ 56 MENU *menu = (MENU *) calloc(1, sizeof(MENU)); 57 58 T((T_CALLED("new_menu(%p)"), items)); 59 if (menu) 60 { 61 *menu = _nc_Default_Menu; 62 menu->status = 0; 63 menu->rows = menu->frows; 64 menu->cols = menu->fcols; 65 if (items && *items) 66 { 67 if (!_nc_Connect_Items(menu, items)) 68 { 69 free(menu); 70 menu = (MENU *) 0; 71 } 72 } 73 } 74 75 if (!menu) 76 SET_ERROR(E_SYSTEM_ERROR); 77 78 returnMenu(menu); 79} 80 81/*--------------------------------------------------------------------------- 82| Facility : libnmenu 83| Function : int free_menu(MENU *menu) 84| 85| Description : Disconnects menu from its associated item pointer 86| array and frees the storage allocated for the menu. 87| 88| Return Values : E_OK - success 89| E_BAD_ARGUMENT - Invalid menu pointer passed 90| E_POSTED - Menu is already posted 91+--------------------------------------------------------------------------*/ 92NCURSES_EXPORT(int) 93free_menu(MENU * menu) 94{ 95 T((T_CALLED("free_menu(%p)"), menu)); 96 if (!menu) 97 RETURN(E_BAD_ARGUMENT); 98 99 if (menu->status & _POSTED) 100 RETURN(E_POSTED); 101 102 if (menu->items) 103 _nc_Disconnect_Items(menu); 104 105 if ((menu->status & _MARK_ALLOCATED) && menu->mark) 106 free(menu->mark); 107 108 free(menu); 109 RETURN(E_OK); 110} 111 112/* m_new.c ends here */ 113