278 lines
8.0 KiB
C
278 lines
8.0 KiB
C
/* $NetBSD: hack.options.c,v 1.9 2009/06/07 20:13:18 dholland Exp $ */
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/*
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* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
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* Amsterdam
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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 are
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* met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - 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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* - Neither the name of the Stichting Centrum voor Wiskunde en
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* Informatica, nor the names of its contributors may be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: hack.options.c,v 1.9 2009/06/07 20:13:18 dholland Exp $");
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#endif /* not lint */
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#include <stdlib.h>
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#include <unistd.h>
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#include "hack.h"
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#include "extern.h"
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void
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initoptions(void)
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{
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char *opts;
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flags.time = flags.nonews = flags.notombstone = flags.end_own =
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flags.standout = flags.nonull = FALSE;
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flags.no_rest_on_space = TRUE;
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flags.invlet_constant = TRUE;
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flags.end_top = 5;
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flags.end_around = 4;
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flags.female = FALSE; /* players are usually male */
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if ((opts = getenv("HACKOPTIONS")) != NULL)
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parseoptions(opts, TRUE);
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}
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void
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parseoptions(char *opts, boolean from_env)
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{
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char *op, *op2;
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unsigned num;
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boolean negated;
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if ((op = strchr(opts, ',')) != NULL) {
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*op++ = 0;
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parseoptions(op, from_env);
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}
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if ((op = strchr(opts, ' ')) != NULL) {
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op2 = op;
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while (*op++)
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if (*op != ' ')
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*op2++ = *op;
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}
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if (!*opts)
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return;
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negated = FALSE;
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while ((*opts == '!') || !strncmp(opts, "no", 2)) {
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if (*opts == '!')
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opts++;
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else
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opts += 2;
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negated = !negated;
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}
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if (!strncmp(opts, "standout", 8)) {
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flags.standout = !negated;
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return;
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}
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if (!strncmp(opts, "null", 3)) {
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flags.nonull = negated;
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return;
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}
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if (!strncmp(opts, "tombstone", 4)) {
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flags.notombstone = negated;
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return;
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}
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if (!strncmp(opts, "news", 4)) {
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flags.nonews = negated;
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return;
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}
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if (!strncmp(opts, "time", 4)) {
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flags.time = !negated;
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flags.botl = 1;
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return;
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}
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if (!strncmp(opts, "restonspace", 4)) {
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flags.no_rest_on_space = negated;
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return;
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}
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if (!strncmp(opts, "fixinv", 4)) {
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if (from_env)
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flags.invlet_constant = !negated;
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else
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pline("The fixinvlet option must be in HACKOPTIONS.");
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return;
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}
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if (!strncmp(opts, "male", 4)) {
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flags.female = negated;
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return;
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}
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if (!strncmp(opts, "female", 6)) {
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flags.female = !negated;
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return;
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}
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/* name:string */
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if (!strncmp(opts, "name", 4)) {
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if (!from_env) {
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pline("The playername can be set only from HACKOPTIONS.");
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return;
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}
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op = strchr(opts, ':');
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if (!op)
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goto bad;
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(void) strncpy(plname, op + 1, sizeof(plname) - 1);
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return;
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}
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/* endgame:5t[op] 5a[round] o[wn] */
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if (!strncmp(opts, "endgame", 3)) {
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op = strchr(opts, ':');
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if (!op)
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goto bad;
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op++;
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while (*op) {
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num = 1;
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if (digit(*op)) {
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num = atoi(op);
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while (digit(*op))
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op++;
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} else if (*op == '!') {
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negated = !negated;
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op++;
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}
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switch (*op) {
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case 't':
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flags.end_top = num;
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break;
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case 'a':
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flags.end_around = num;
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break;
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case 'o':
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flags.end_own = !negated;
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break;
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default:
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goto bad;
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}
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while (letter(*++op));
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if (*op == '/')
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op++;
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}
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return;
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}
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bad:
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if (!from_env) {
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if (!strncmp(opts, "help", 4)) {
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pline("%s%s%s",
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"To set options use `HACKOPTIONS=\"<options>\"' in your environment, or ",
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"give the command 'O' followed by the line `<options>' while playing. ",
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"Here <options> is a list of <option>s separated by commas.");
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pline("%s%s%s",
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"Simple (boolean) options are rest_on_space, news, time, ",
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"null, tombstone, (fe)male. ",
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"These can be negated by prefixing them with '!' or \"no\".");
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pline("%s",
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"A string option is name, as in HACKOPTIONS=\"name:Merlin-W\".");
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pline("%s%s%s",
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"A compound option is endgame; it is followed by a description of what ",
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"parts of the scorelist you want to see. You might for example say: ",
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"`endgame:own scores/5 top scores/4 around my score'.");
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return;
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}
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pline("Bad option: %s.", opts);
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pline("Type `O help<cr>' for help.");
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return;
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}
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puts("Bad syntax in HACKOPTIONS.");
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puts("Use for example:");
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puts(
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"HACKOPTIONS=\"!restonspace,notombstone,endgame:own/5 topscorers/4 around me\""
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);
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getret();
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}
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int
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doset(void)
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{
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char buf[BUFSZ];
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size_t pos;
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pline("What options do you want to set? ");
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getlin(buf);
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if (!buf[0] || buf[0] == '\033') {
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(void) strcpy(buf, "HACKOPTIONS=");
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(void) strcat(buf, flags.female ? "female," : "male,");
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if (flags.standout)
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(void) strlcat(buf, "standout,", sizeof(buf));
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if (flags.nonull)
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(void) strlcat(buf, "nonull,", sizeof(buf));
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if (flags.nonews)
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(void) strlcat(buf, "nonews,", sizeof(buf));
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if (flags.time)
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(void) strlcat(buf, "time,", sizeof(buf));
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if (flags.notombstone)
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(void) strlcat(buf, "notombstone,", sizeof(buf));
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if (flags.no_rest_on_space)
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(void) strlcat(buf, "!rest_on_space,", sizeof(buf));
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if (flags.end_top != 5 || flags.end_around != 4 || flags.end_own) {
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pos = strlen(buf);
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(void) snprintf(buf+pos, sizeof(buf)-pos,
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"endgame: %u topscores/%u around me",
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flags.end_top, flags.end_around);
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if (flags.end_own)
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(void) strlcat(buf, "/own scores", sizeof(buf));
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} else {
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char *eop = eos(buf);
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if (*--eop == ',')
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*eop = 0;
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}
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pline(buf);
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} else
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parseoptions(buf, FALSE);
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return (0);
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}
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