84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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/* from: static char sccsid[] = "@(#)ex_exit.c 8.7 (Berkeley) 12/10/93"; */
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static char *rcsid = "$Id: ex_exit.c,v 1.2 1994/01/24 06:40:17 cgd Exp $";
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#endif /* not lint */
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#include <sys/types.h>
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#include "vi.h"
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#include "excmd.h"
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/*
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* ex_quit -- :quit[!]
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* Quit.
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*/
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int
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ex_quit(sp, ep, cmdp)
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SCR *sp;
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EXF *ep;
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EXCMDARG *cmdp;
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{
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int force;
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force = F_ISSET(cmdp, E_FORCE);
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/* Check for modifications. */
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if (F_ISSET(ep, F_MODIFIED) && ep->refcnt <= 1 && !force) {
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msgq(sp, M_ERR,
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"Modified since last write; write or use ! to override.");
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return (1);
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}
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/*
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* !!!
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* Historic practice: quit! or two quit's done in succession
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* (where ZZ counts as a quit) didn't check for other files.
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*
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* Also check for related screens; if they exist, quit, the
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* user will get the message on the last screen.
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*/
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if (!force && sp->ccnt != sp->q_ccnt + 1 &&
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ep->refcnt <= 1 && file_unedited(sp) != NULL) {
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sp->q_ccnt = sp->ccnt;
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msgq(sp, M_ERR,
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"More files; use \":n\" to go to the next file, \":q!\" to quit.");
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return (1);
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}
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F_SET(sp, force ? S_EXIT_FORCE : S_EXIT);
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return (0);
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}
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