1 /* $OpenBSD: hack.options.c,v 1.12 2016/01/09 18:33:15 mestre Exp $ */
2
3 /*
4 * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5 * Amsterdam
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * - Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 *
15 * - Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * - Neither the name of the Stichting Centrum voor Wiskunde en
20 * Informatica, nor the names of its contributors may be used to endorse or
21 * promote products derived from this software without specific prior
22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37 /*
38 * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39 * All rights reserved.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. The name of the author may not be used to endorse or promote products
50 * derived from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
55 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 */
63
64 #include <ctype.h>
65 #include <stdio.h>
66 #include <stdlib.h>
67
68 #include "hack.h"
69
70 static void parseoptions(char *, boolean);
71
72 void
initoptions(void)73 initoptions(void)
74 {
75 char *opts;
76
77 flags.time = flags.nonews = flags.notombstone = flags.end_own =
78 flags.standout = flags.nonull = FALSE;
79 flags.no_rest_on_space = TRUE;
80 flags.invlet_constant = TRUE;
81 flags.end_top = 5;
82 flags.end_around = 4;
83 flags.female = FALSE; /* players are usually male */
84
85 if ((opts = getenv("HACKOPTIONS")))
86 parseoptions(opts,TRUE);
87 }
88
89 static void
parseoptions(char * opts,boolean from_env)90 parseoptions(char *opts, boolean from_env)
91 {
92 char *op,*op2;
93 unsigned num;
94 boolean negated;
95
96 if ((op = strchr(opts, ','))) {
97 *op++ = 0;
98 parseoptions(op, from_env);
99 }
100 if ((op = strchr(opts, ' '))) {
101 op2 = op;
102 while(*op++)
103 if(*op != ' ') *op2++ = *op;
104 }
105 if (!*opts)
106 return;
107 negated = FALSE;
108 while((*opts == '!') || !strncmp(opts, "no", 2)) {
109 if(*opts == '!') opts++; else opts += 2;
110 negated = !negated;
111 }
112
113 if(!strncmp(opts,"standout",8)) {
114 flags.standout = !negated;
115 return;
116 }
117
118 if(!strncmp(opts,"null",3)) {
119 flags.nonull = negated;
120 return;
121 }
122
123 if(!strncmp(opts,"tombstone",4)) {
124 flags.notombstone = negated;
125 return;
126 }
127
128 if(!strncmp(opts,"news",4)) {
129 flags.nonews = negated;
130 return;
131 }
132
133 if(!strncmp(opts,"time",4)) {
134 flags.time = !negated;
135 flags.botl = 1;
136 return;
137 }
138
139 if(!strncmp(opts,"restonspace",4)) {
140 flags.no_rest_on_space = negated;
141 return;
142 }
143
144 if(!strncmp(opts,"fixinv",4)) {
145 if(from_env)
146 flags.invlet_constant = !negated;
147 else
148 pline("The fixinvlet option must be in HACKOPTIONS.");
149 return;
150 }
151
152 if(!strncmp(opts,"male",4)) {
153 flags.female = negated;
154 return;
155 }
156 if(!strncmp(opts,"female",6)) {
157 flags.female = !negated;
158 return;
159 }
160
161 /* name:string */
162 if(!strncmp(opts,"name",4)) {
163 extern char plname[PL_NSIZ];
164 if(!from_env) {
165 pline("The playername can be set only from HACKOPTIONS.");
166 return;
167 }
168 op = strchr(opts,':');
169 if(!op) goto bad;
170 (void) strlcpy(plname, op+1, sizeof(plname));
171 return;
172 }
173
174 /* endgame:5t[op] 5a[round] o[wn] */
175 if(!strncmp(opts,"endgame",3)) {
176 op = strchr(opts,':');
177 if(!op) goto bad;
178 op++;
179 while(*op) {
180 num = 1;
181 if(isdigit((unsigned char)*op)) {
182 num = atoi(op);
183 while(isdigit((unsigned char)*op)) op++;
184 } else
185 if(*op == '!') {
186 negated = !negated;
187 op++;
188 }
189 switch(*op) {
190 case 't':
191 flags.end_top = num;
192 break;
193 case 'a':
194 flags.end_around = num;
195 break;
196 case 'o':
197 flags.end_own = !negated;
198 break;
199 default:
200 goto bad;
201 }
202 while(letter(*++op)) ;
203 if(*op == '/') op++;
204 }
205 return;
206 }
207 bad:
208 if(!from_env) {
209 if(!strncmp(opts, "help", 4)) {
210 pline("%s%s%s",
211 "To set options use `HACKOPTIONS=\"<options>\"' in your environment, or ",
212 "give the command 'O' followed by the line `<options>' while playing. ",
213 "Here <options> is a list of <option>s separated by commas." );
214 pline("%s%s%s",
215 "Simple (boolean) options are rest_on_space, news, time, ",
216 "null, tombstone, (fe)male. ",
217 "These can be negated by prefixing them with '!' or \"no\"." );
218 pline("%s",
219 "A string option is name, as in HACKOPTIONS=\"name:Merlin-W\"." );
220 pline("%s%s%s",
221 "A compound option is endgame; it is followed by a description of what ",
222 "parts of the scorelist you want to see. You might for example say: ",
223 "`endgame:own scores/5 top scores/4 around my score'." );
224 return;
225 }
226 pline("Bad option: %s.", opts);
227 pline("Type `O help<cr>' for help.");
228 return;
229 }
230 puts("Bad syntax in HACKOPTIONS.");
231 puts("Use for example:");
232 puts(
233 "HACKOPTIONS=\"!restonspace,notombstone,endgame:own/5 topscorers/4 around me\""
234 );
235 getret();
236 }
237
238 int
doset(void)239 doset(void)
240 {
241 char buf[BUFSZ];
242
243 pline("What options do you want to set? ");
244 getlin(buf);
245 if(!buf[0] || buf[0] == '\033') {
246 (void) strlcpy(buf,"HACKOPTIONS=", sizeof buf);
247 (void) strlcat(buf, flags.female ? "female," : "male,", sizeof buf);
248 if(flags.standout) (void) strlcat(buf,"standout,", sizeof buf);
249 if(flags.nonull) (void) strlcat(buf,"nonull,", sizeof buf);
250 if(flags.nonews) (void) strlcat(buf,"nonews,", sizeof buf);
251 if(flags.time) (void) strlcat(buf,"time,", sizeof buf);
252 if(flags.notombstone) (void) strlcat(buf,"notombstone,", sizeof buf);
253 if(flags.no_rest_on_space)
254 (void) strlcat(buf,"!rest_on_space,", sizeof buf);
255 if(flags.end_top != 5 || flags.end_around != 4 || flags.end_own){
256 (void) snprintf(eos(buf), buf + sizeof buf - eos(buf),
257 "endgame: %u topscores/%u around me",
258 flags.end_top, flags.end_around);
259 if(flags.end_own) (void) strlcat(buf, "/own scores", sizeof buf);
260 } else {
261 char *eop = eos(buf);
262 if(*--eop == ',') *eop = 0;
263 }
264 pline("%s", buf);
265 } else
266 parseoptions(buf, FALSE);
267
268 return(0);
269 }
270