| Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | * Copyright (c) 1998-2004,2006 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 | |
| 40 | MODULE_ID("$Id: m_new.c,v 1.18 2006/11/04 19:04:06 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 | +--------------------------------------------------------------------------*/ |
| 53 | NCURSES_EXPORT(MENU *) |
| 54 | new_menu(ITEM ** items) |
| 55 | { |
| 56 | int err = E_SYSTEM_ERROR; |
| 57 | MENU *menu = (MENU *) calloc(1, sizeof(MENU)); |
| 58 | |
| 59 | T((T_CALLED("new_menu(%p)"), items)); |
| 60 | if (menu) |
| 61 | { |
| 62 | *menu = _nc_Default_Menu; |
| 63 | menu->status = 0; |
| 64 | menu->rows = menu->frows; |
| 65 | menu->cols = menu->fcols; |
| 66 | if (items && *items) |
| 67 | { |
| 68 | if (!_nc_Connect_Items(menu, items)) |
| 69 | { |
| 70 | err = E_NOT_CONNECTED; |
| 71 | free(menu); |
| 72 | menu = (MENU *) 0; |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | if (!menu) |
| 78 | SET_ERROR(err); |
| 79 | |
| 80 | returnMenu(menu); |
| 81 | } |
| 82 | |
| 83 | /*--------------------------------------------------------------------------- |
| 84 | | Facility : libnmenu |
| 85 | | Function : int free_menu(MENU *menu) |
| 86 | | |
| 87 | | Description : Disconnects menu from its associated item pointer |
| 88 | | array and frees the storage allocated for the menu. |
| 89 | | |
| 90 | | Return Values : E_OK - success |
| 91 | | E_BAD_ARGUMENT - Invalid menu pointer passed |
| 92 | | E_POSTED - Menu is already posted |
| 93 | +--------------------------------------------------------------------------*/ |
| 94 | NCURSES_EXPORT(int) |
| 95 | free_menu(MENU * menu) |
| 96 | { |
| 97 | T((T_CALLED("free_menu(%p)"), menu)); |
| 98 | if (!menu) |
| 99 | RETURN(E_BAD_ARGUMENT); |
| 100 | |
| 101 | if (menu->status & _POSTED) |
| 102 | RETURN(E_POSTED); |
| 103 | |
| 104 | if (menu->items) |
| 105 | _nc_Disconnect_Items(menu); |
| 106 | |
| 107 | if ((menu->status & _MARK_ALLOCATED) && menu->mark) |
| 108 | free(menu->mark); |
| 109 | |
| 110 | free(menu); |
| 111 | RETURN(E_OK); |
| 112 | } |
| 113 | |
| 114 | /* m_new.c ends here */ |