GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/vi/build/../vi/v_screen.c Lines: 0 11 0.0 %
Date: 2017-11-13 Branches: 0 6 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: v_screen.c,v 1.9 2016/01/06 22:28:52 millert Exp $	*/
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/*-
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 * Copyright (c) 1993, 1994
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 *	The Regents of the University of California.  All rights reserved.
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 * Copyright (c) 1992, 1993, 1994, 1995, 1996
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 *	Keith Bostic.  All rights reserved.
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 *
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 * See the LICENSE file for redistribution information.
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 */
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#include "config.h"
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <sys/time.h>
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#include <bitstring.h>
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#include <limits.h>
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#include <stdio.h>
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#include "../common/common.h"
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#include "vi.h"
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/*
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 * v_screen -- ^W
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 *	Switch screens.
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 *
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 * PUBLIC: int v_screen(SCR *, VICMD *);
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 */
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int
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v_screen(SCR *sp, VICMD *vp)
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{
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	/*
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	 * You can't leave a colon command-line edit window -- it's not that
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	 * it won't work, but it gets real weird, real fast when you execute
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	 * a colon command out of a window that was forked from a window that's
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	 * now backgrounded...  You get the idea.
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	 */
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	if (F_ISSET(sp, SC_COMEDIT)) {
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		msgq(sp, M_ERR,
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		    "Enter <CR> to execute a command, :q to exit");
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		return (1);
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	}
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	/*
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	 * Try for the next lower screen, or, go back to the first
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	 * screen on the stack.
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	 */
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	if (TAILQ_NEXT(sp, q))
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		sp->nextdisp = TAILQ_NEXT(sp, q);
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	else if (TAILQ_FIRST(&sp->gp->dq) == sp) {
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		msgq(sp, M_ERR, "No other screen to switch to");
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		return (1);
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	} else
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		sp->nextdisp = TAILQ_FIRST(&sp->gp->dq);
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	F_SET(sp->nextdisp, SC_STATUS);
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	F_SET(sp, SC_SSWITCH | SC_STATUS);
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	return (0);
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}