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/* $OpenBSD: m_new.c,v 1.8 2010/01/12 23:22:08 nicm Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 1998-2004,2006 Free Software Foundation, Inc. * |
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* * |
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* Permission is hereby granted, free of charge, to any person obtaining a * |
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* copy of this software and associated documentation files (the * |
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* "Software"), to deal in the Software without restriction, including * |
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* without limitation the rights to use, copy, modify, merge, publish, * |
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* distribute, distribute with modifications, sublicense, and/or sell * |
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* copies of the Software, and to permit persons to whom the Software is * |
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* furnished to do so, subject to the following conditions: * |
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* * |
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* The above copyright notice and this permission notice shall be included * |
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* in all copies or substantial portions of the Software. * |
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* * |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
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* * |
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* Except as contained in this notice, the name(s) of the above copyright * |
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* holders shall not be used in advertising or otherwise to promote the * |
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* sale, use or other dealings in this Software without prior written * |
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* authorization. * |
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****************************************************************************/ |
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/**************************************************************************** |
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* Author: Juergen Pfeifer, 1995,1997 * |
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****************************************************************************/ |
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/*************************************************************************** |
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* Module m_new * |
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* Creation and destruction of new menus * |
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***************************************************************************/ |
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#include "menu.priv.h" |
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MODULE_ID("$Id: m_new.c,v 1.8 2010/01/12 23:22:08 nicm Exp $") |
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/*--------------------------------------------------------------------------- |
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| Facility : libnmenu |
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| Function : MENU *new_menu(ITEM **items) |
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| Description : Creates a new menu connected to the item pointer |
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| array items and returns a pointer to the new menu. |
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| The new menu is initialized with the values from the |
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| default menu. |
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| Return Values : NULL on error |
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+--------------------------------------------------------------------------*/ |
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NCURSES_EXPORT(MENU *) |
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new_menu(ITEM ** items) |
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{ |
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int err = E_SYSTEM_ERROR; |
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MENU *menu = (MENU *) calloc(1, sizeof(MENU)); |
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T((T_CALLED("new_menu(%p)"), items)); |
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if (menu) |
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{ |
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*menu = _nc_Default_Menu; |
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menu->status = 0; |
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menu->rows = menu->frows; |
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menu->cols = menu->fcols; |
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if (items && *items) |
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{ |
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if (!_nc_Connect_Items(menu, items)) |
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{ |
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err = E_NOT_CONNECTED; |
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free(menu); |
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menu = (MENU *) 0; |
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} |
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} |
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} |
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if (!menu) |
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SET_ERROR(err); |
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returnMenu(menu); |
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} |
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/*--------------------------------------------------------------------------- |
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| Facility : libnmenu |
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| Function : int free_menu(MENU *menu) |
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| Description : Disconnects menu from its associated item pointer |
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| array and frees the storage allocated for the menu. |
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| Return Values : E_OK - success |
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| E_BAD_ARGUMENT - Invalid menu pointer passed |
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| E_POSTED - Menu is already posted |
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+--------------------------------------------------------------------------*/ |
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NCURSES_EXPORT(int) |
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free_menu(MENU * menu) |
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{ |
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T((T_CALLED("free_menu(%p)"), menu)); |
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if (!menu) |
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RETURN(E_BAD_ARGUMENT); |
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if (menu->status & _POSTED) |
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RETURN(E_POSTED); |
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if (menu->items) |
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_nc_Disconnect_Items(menu); |
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if ((menu->status & _MARK_ALLOCATED) && menu->mark) |
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free(menu->mark); |
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free(menu); |
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RETURN(E_OK); |
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} |
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/* m_new.c ends here */ |