NetBSD/lib/libmenu/userptr.c
blymn 307e770b37 Fix handling of userptr, no longer assumes userptr is a pointer to a
string to be copied, we now just copy the passed pointer.  Also fixed
bug with handling of NULL passed to menu_userptr.
2000-03-05 04:09:53 +00:00

95 lines
2.4 KiB
C

/* $NetBSD: userptr.c,v 1.6 2000/03/05 04:09:53 blymn Exp $ */
/*-
* Copyright (c) 1998-1999 Brett Lymn (blymn@baea.com.au, brett_lymn@yahoo.com.au)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
*/
#include <menu.h>
#include <stdlib.h>
#include <string.h>
/* the following is defined in menu.c */
extern MENU _menui_default_menu;
/* the following is defined in item.c */
extern ITEM _menui_default_item;
/*
* Set the item user pointer data
*/
int
set_item_userptr(param_item, userptr)
ITEM *param_item;
char *userptr;
{
ITEM *item = (param_item != NULL) ? param_item : &_menui_default_item;
item->userptr = userptr;
return E_OK;
}
/*
* Return the item user pointer
*/
char *
item_userptr(item)
ITEM *item;
{
if (item == NULL)
return _menui_default_item.userptr;
else
return item->userptr;
}
/*
* Return the user pointer for the given menu
*/
char *
menu_userptr(menu)
MENU *menu;
{
if (menu == NULL)
return _menui_default_menu.userptr;
else
return menu->userptr;
}
/*
* Set the user pointer for the given menu
*/
int
set_menu_userptr(param_menu, userptr)
MENU *param_menu;
char *userptr;
{
MENU *menu = (param_menu != NULL) ? param_menu : &_menui_default_menu;
menu->userptr = userptr;
return E_OK;
}