105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/* $NetBSD: varpush.c,v 1.12 2011/08/31 16:24:56 plunky Exp $ */
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/*
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* Copyright (c) 1982, 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. 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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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)varpush.c 8.1 (Berkeley) 5/31/93";
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#else
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__RCSID("$NetBSD: varpush.c,v 1.12 2011/08/31 16:24:56 plunky Exp $");
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#endif
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#endif /* not lint */
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#include <paths.h>
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#include "mille.h"
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/*
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* @(#)varpush.c 1.1 (Berkeley) 4/1/82
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*/
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/*
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* push variables around via the routine func() on the file
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* channel file. func() is either read or write.
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*/
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bool
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varpush(int file, ssize_t (*func)(int, const struct iovec *, int))
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{
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int temp;
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const struct iovec vec[] = {
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{ (void *) &Debug, sizeof Debug },
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{ (void *) &Finished, sizeof Finished },
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{ (void *) &Order, sizeof Order },
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{ (void *) &End, sizeof End },
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{ (void *) &On_exit, sizeof On_exit },
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{ (void *) &Handstart, sizeof Handstart },
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{ (void *) &Numgos, sizeof Numgos },
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{ (void *) Numseen, sizeof Numseen },
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{ (void *) &Play, sizeof Play },
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{ (void *) &Window, sizeof Window },
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{ (void *) Deck, sizeof Deck },
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{ (void *) &Discard, sizeof Discard },
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{ (void *) Player, sizeof Player }
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};
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if (((func)(file, vec, sizeof(vec) / sizeof(vec[0]))) < 0) {
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error("%s", strerror(errno));
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return FALSE;
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}
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if (func == readv) {
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if ((read(file, (void *) &temp, sizeof temp)) < 0) {
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error("%s", strerror(errno));
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return FALSE;
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}
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Topcard = &Deck[temp];
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#ifdef DEBUG
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if (Debug) {
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char buf[80];
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over:
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printf("Debug file:");
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gets(buf);
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if ((outf = fopen(buf, "w")) == NULL) {
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warn("%s", buf);
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goto over;
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}
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if (strcmp(buf, _PATH_DEVNULL) != 0)
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setbuf(outf, NULL);
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}
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#endif
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} else {
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temp = Topcard - Deck;
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if ((write(file, (void *) &temp, sizeof temp)) < 0) {
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error("%s", strerror(errno));
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return FALSE;
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}
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}
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return TRUE;
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}
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