77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/* $NetBSD: new.c,v 1.3 2015/11/02 02:45:25 kamil Exp $ */
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/*
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* Copyright (c) 2015 Valery Ushakov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: new.c,v 1.3 2015/11/02 02:45:25 kamil Exp $");
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#include "panel_impl.h"
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#include <assert.h>
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#include <stdlib.h>
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static PANEL *
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_new_panel(WINDOW *w)
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{
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PANEL *p;
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p = (PANEL *)malloc(sizeof(PANEL));
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if (__predict_false(p == NULL))
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return NULL;
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p->win = w;
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p->user = NULL;
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DECK_INSERT_TOP(p);
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return p;
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}
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PANEL *
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new_panel(WINDOW *w)
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{
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if (__predict_false(w == NULL))
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return NULL;
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if (__predict_false(w == stdscr))
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return NULL;
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/*
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* Ensure there's phantom panel for stdscr at (below) the
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* bottom. We explicitly re-assign stdscr in case it changed.
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*/
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if (TAILQ_EMPTY(&_deck)) {
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assert(PANEL_HIDDEN(&_stdscr_panel));
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_stdscr_panel.win = stdscr;
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DECK_INSERT_TOP(&_stdscr_panel);
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}
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return _new_panel(w);
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}
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