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/***************************************************************************
* COPYRIGHT NOTICE *
****************************************************************************
* ncurses is copyright (C) 1992-1995 *
* Zeyd M. Ben-Halim *
* zmbenhal@netcom.com *
* Eric S. Raymond *
* esr@snark.thyrsus.com *
* *
* Permission is hereby granted to reproduce and distribute ncurses *
* by any means and for any fee, whether alone or as part of a *
* larger distribution, in source or in binary form, PROVIDED *
* this notice is included with any such distribution, and is not *
* removed from any of its header files. Mention of ncurses in any *
* applications linked with it is highly appreciated. *
* *
* ncurses comes AS IS with no warranty, implied or expressed. *
* *
***************************************************************************/
/***************************************************************************
* Module menu_new *
* Creation and destruction of new menus *
***************************************************************************/
#include "menu.priv.h"
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : MENU *new_menu(ITEM **items)
|
| Description : Creates a new menu connected to the item pointer
| array items and returns a pointer to the new menu.
| The new menu is initialized with the values from the
| default menu.
|
| Return Values : NULL on error
+--------------------------------------------------------------------------*/
MENU *new_menu(ITEM ** items)
{
MENU *menu = (MENU *)calloc(1,sizeof(MENU));
if (menu)
{
*menu = _nc_Default_Menu;
menu->rows = menu->frows;
menu->cols = menu->fcols;
if (items && *items)
{
if (!_nc_Connect_Items(menu,items))
{
free(menu);
menu = (MENU *)0;
}
}
}
if (!menu)
SET_ERROR(E_SYSTEM_ERROR);
return(menu);
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int free_menu(MENU *menu)
|
| Description : Disconnects menu from its associated item pointer
| array and frees the storage allocated for the menu.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - Invalid menu pointer passed
| E_POSTED - Menu is already posted
+--------------------------------------------------------------------------*/
int free_menu(MENU * menu)
{
if (!menu)
RETURN(E_BAD_ARGUMENT);
if ( menu->status & _POSTED )
RETURN(E_POSTED);
if (menu->items)
_nc_Disconnect_Items(menu);
free(menu);
RETURN(E_OK);
}
/* m_new.c ends here */
|
