| File: | src/games/atc/main.c |
| Warning: | line 102, column 2 Value stored to 'argv' is never read |
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| 1 | /* $OpenBSD: main.c,v 1.31 2021/10/23 11:22:48 mestre Exp $ */ |
| 2 | /* $NetBSD: main.c,v 1.4 1995/04/27 21:22:25 mycroft Exp $ */ |
| 3 | |
| 4 | /*- |
| 5 | * Copyright (c) 1990, 1993 |
| 6 | * The Regents of the University of California. All rights reserved. |
| 7 | * |
| 8 | * This code is derived from software contributed to Berkeley by |
| 9 | * Ed James. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * 3. Neither the name of the University nor the names of its contributors |
| 20 | * may be used to endorse or promote products derived from this software |
| 21 | * without specific prior written permission. |
| 22 | * |
| 23 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 33 | * SUCH DAMAGE. |
| 34 | */ |
| 35 | |
| 36 | /* |
| 37 | * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved. |
| 38 | * |
| 39 | * Copy permission is hereby granted provided that this notice is |
| 40 | * retained on all partial or complete copies. |
| 41 | * |
| 42 | * For more info on this and all of my stuff, mail edjames@berkeley.edu. |
| 43 | */ |
| 44 | |
| 45 | #include <err.h> |
| 46 | #include <signal.h> |
| 47 | #include <stdlib.h> |
| 48 | #include <string.h> |
| 49 | #include <termios.h> |
| 50 | #include <time.h> |
| 51 | #include <unistd.h> |
| 52 | |
| 53 | #include "extern.h" |
| 54 | #include "pathnames.h" |
| 55 | |
| 56 | int |
| 57 | main(int argc, char *argv[]) |
| 58 | { |
| 59 | int ch; |
| 60 | int f_usage = 0, f_list = 0, f_showscore = 0; |
| 61 | int f_printpath = 0; |
| 62 | const char *file = NULL((void *)0); |
| 63 | char *seed; |
| 64 | struct sigaction sa; |
| 65 | struct itimerval itv; |
| 66 | |
| 67 | open_score_file(); |
| 68 | |
| 69 | start_time = time(0); |
| 70 | makenoise = 1; |
| 71 | seed = NULL((void *)0); |
| 72 | |
| 73 | while ((ch = getopt(argc, argv, "f:g:hlpqr:st")) != -1) { |
| 74 | switch (ch) { |
| 75 | case 'f': |
| 76 | case 'g': |
| 77 | file = optarg; |
| 78 | break; |
| 79 | case 'l': |
| 80 | f_list = 1; |
| 81 | break; |
| 82 | case 'p': |
| 83 | f_printpath = 1; |
| 84 | break; |
| 85 | case 'q': |
| 86 | makenoise = 0; |
| 87 | break; |
| 88 | case 'r': |
| 89 | seed = optarg; |
| 90 | break; |
| 91 | case 's': |
| 92 | case 't': |
| 93 | f_showscore = 1; |
| 94 | break; |
| 95 | case 'h': |
| 96 | default: |
| 97 | f_usage = 1; |
| 98 | break; |
| 99 | } |
| 100 | } |
| 101 | argc -= optind; |
| 102 | argv += optind; |
Value stored to 'argv' is never read | |
| 103 | |
| 104 | if (argc > 0) |
| 105 | f_usage = 1; |
| 106 | |
| 107 | if (seed != NULL((void *)0)) |
| 108 | setseed(seed); |
| 109 | |
| 110 | if (f_usage) |
| 111 | fprintf(stderr(&__sF[2]), |
| 112 | "usage: %s [-lpqst] [-f game] [-g game] [-r seed]\n", |
| 113 | getprogname()); |
| 114 | if (f_showscore) |
| 115 | log_score(1); |
| 116 | if (f_list) |
| 117 | list_games(); |
| 118 | if (f_printpath) { |
| 119 | size_t len; |
| 120 | char buf[256]; |
| 121 | |
| 122 | strlcpy(buf, _PATH_GAMES"/usr/share/games/atc/", sizeof buf); |
| 123 | len = strlen(buf); |
| 124 | if (len != 0 && buf[len - 1] == '/') |
| 125 | buf[len - 1] = '\0'; |
| 126 | puts(buf); |
| 127 | } |
| 128 | |
| 129 | if (f_usage || f_showscore || f_list || f_printpath) |
| 130 | return 0; |
| 131 | |
| 132 | if (file == NULL((void *)0)) |
| 133 | file = default_game(); |
| 134 | else |
| 135 | file = okay_game(file); |
| 136 | |
| 137 | if (file == NULL((void *)0) || read_file(file) < 0) |
| 138 | return 1; |
| 139 | |
| 140 | setup_screen(sp); |
| 141 | |
| 142 | if (pledge("stdio rpath wpath cpath flock tty", NULL((void *)0)) == -1) |
| 143 | err(1, "pledge"); |
| 144 | |
| 145 | addplane(); |
| 146 | |
| 147 | signal(SIGINT2, quit); |
| 148 | signal(SIGQUIT3, quit); |
| 149 | signal(SIGTSTP18, SIG_IGN(void (*)(int))1); |
| 150 | signal(SIGSTOP17, SIG_IGN(void (*)(int))1); |
| 151 | signal(SIGHUP1, log_score_quit); |
| 152 | signal(SIGTERM15, log_score_quit); |
| 153 | |
| 154 | tcgetattr(fileno(stdin)(!__isthreaded ? (((&__sF[0]))->_file) : (fileno)((& __sF[0]))), &tty_start); |
| 155 | tty_new = tty_start; |
| 156 | tty_new.c_lflag &= ~(ICANON0x00000100|ECHO0x00000008); |
| 157 | tty_new.c_iflag |= ICRNL0x00000100; |
| 158 | tty_new.c_cc[VMIN16] = 1; |
| 159 | tty_new.c_cc[VTIME17] = 0; |
| 160 | tcsetattr(fileno(stdin)(!__isthreaded ? (((&__sF[0]))->_file) : (fileno)((& __sF[0]))), TCSADRAIN1, &tty_new); |
| 161 | |
| 162 | memset(&sa, 0, sizeof sa); |
| 163 | sa.sa_handler__sigaction_u.__sa_handler = update; |
| 164 | sigemptyset(&sa.sa_mask); |
| 165 | sigaddset(&sa.sa_mask, SIGALRM14); |
| 166 | sigaddset(&sa.sa_mask, SIGINT2); |
| 167 | sa.sa_flags = 0; |
| 168 | sigaction(SIGALRM14, &sa, (struct sigaction *)0); |
| 169 | |
| 170 | itv.it_value.tv_sec = 0; |
| 171 | itv.it_value.tv_usec = 1; |
| 172 | itv.it_interval.tv_sec = sp->update_secs; |
| 173 | itv.it_interval.tv_usec = 0; |
| 174 | setitimer(ITIMER_REAL0, &itv, NULL((void *)0)); |
| 175 | |
| 176 | for (;;) { |
| 177 | if (getcommand() != 1) |
| 178 | planewin(); |
| 179 | else { |
| 180 | itv.it_value.tv_sec = 0; |
| 181 | itv.it_value.tv_usec = 0; |
| 182 | setitimer(ITIMER_REAL0, &itv, NULL((void *)0)); |
| 183 | |
| 184 | update(0); |
| 185 | |
| 186 | itv.it_value.tv_sec = sp->update_secs; |
| 187 | itv.it_value.tv_usec = 0; |
| 188 | itv.it_interval.tv_sec = sp->update_secs; |
| 189 | itv.it_interval.tv_usec = 0; |
| 190 | setitimer(ITIMER_REAL0, &itv, NULL((void *)0)); |
| 191 | } |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | int |
| 196 | read_file(const char *s) |
| 197 | { |
| 198 | extern FILE *yyin; |
| 199 | int retval; |
| 200 | |
| 201 | file = s; |
| 202 | yyin = fopen(s, "r"); |
| 203 | if (yyin == NULL((void *)0)) { |
| 204 | warn("fopen %s", s); |
| 205 | return (-1); |
| 206 | } |
| 207 | retval = yyparse(); |
| 208 | fclose(yyin); |
| 209 | |
| 210 | if (retval != 0) |
| 211 | return (-1); |
| 212 | else |
| 213 | return (0); |
| 214 | } |
| 215 | |
| 216 | const char * |
| 217 | default_game(void) |
| 218 | { |
| 219 | FILE *fp; |
| 220 | static char file[256]; |
| 221 | char line[256], games[256]; |
| 222 | |
| 223 | strlcpy(games, _PATH_GAMES"/usr/share/games/atc/", sizeof games); |
| 224 | strlcat(games, GAMES, sizeof games); |
| 225 | |
| 226 | if ((fp = fopen(games, "r")) == NULL((void *)0)) { |
| 227 | warn("fopen %s", games); |
| 228 | return (NULL((void *)0)); |
| 229 | } |
| 230 | if (fgets(line, sizeof(line), fp) == NULL((void *)0)) { |
| 231 | warnx("%s: no default game available", games); |
| 232 | fclose(fp); |
| 233 | return (NULL((void *)0)); |
| 234 | } |
| 235 | fclose(fp); |
| 236 | |
| 237 | line[strcspn(line, "\n")] = '\0'; |
| 238 | if (strlen(line) + strlen(_PATH_GAMES"/usr/share/games/atc/") >= sizeof(file)) { |
| 239 | warnx("default game name too long"); |
| 240 | return (NULL((void *)0)); |
| 241 | } |
| 242 | strlcpy(file, _PATH_GAMES"/usr/share/games/atc/", sizeof file); |
| 243 | strlcat(file, line, sizeof file); |
| 244 | return (file); |
| 245 | } |
| 246 | |
| 247 | const char * |
| 248 | okay_game(const char *s) |
| 249 | { |
| 250 | FILE *fp; |
| 251 | static char file[256]; |
| 252 | const char *ret = NULL((void *)0); |
| 253 | char line[256], games[256]; |
| 254 | |
| 255 | strlcpy(games, _PATH_GAMES"/usr/share/games/atc/", sizeof games); |
| 256 | strlcat(games, GAMES, sizeof games); |
| 257 | |
| 258 | if ((fp = fopen(games, "r")) == NULL((void *)0)) { |
| 259 | warn("fopen %s", games); |
| 260 | return (NULL((void *)0)); |
| 261 | } |
| 262 | while (fgets(line, sizeof(line), fp) != NULL((void *)0)) { |
| 263 | line[strcspn(line, "\n")] = '\0'; |
| 264 | if (strcmp(s, line) == 0) { |
| 265 | if (strlen(line) + strlen(_PATH_GAMES"/usr/share/games/atc/") >= sizeof(file)) { |
| 266 | warnx("game name too long"); |
| 267 | return (NULL((void *)0)); |
| 268 | } |
| 269 | strlcpy(file, _PATH_GAMES"/usr/share/games/atc/", sizeof file); |
| 270 | strlcat(file, line, sizeof file); |
| 271 | ret = file; |
| 272 | break; |
| 273 | } |
| 274 | } |
| 275 | fclose(fp); |
| 276 | if (ret == NULL((void *)0)) { |
| 277 | test_mode = 1; |
| 278 | ret = s; |
| 279 | fprintf(stderr(&__sF[2]), "%s: %s: game not found\n", games, s); |
| 280 | fprintf(stderr(&__sF[2]), "Your score will not be logged.\n"); |
| 281 | sleep(2); /* give the guy time to read it */ |
| 282 | } |
| 283 | return (ret); |
| 284 | } |
| 285 | |
| 286 | int |
| 287 | list_games(void) |
| 288 | { |
| 289 | FILE *fp; |
| 290 | char line[256], games[256]; |
| 291 | int num_games = 0; |
| 292 | |
| 293 | strlcpy(games, _PATH_GAMES"/usr/share/games/atc/", sizeof games); |
| 294 | strlcat(games, GAMES, sizeof games); |
| 295 | |
| 296 | if ((fp = fopen(games, "r")) == NULL((void *)0)) { |
| 297 | warn("fopen %s", games); |
| 298 | return (-1); |
| 299 | } |
| 300 | puts("available games:"); |
| 301 | while (fgets(line, sizeof(line), fp) != NULL((void *)0)) { |
| 302 | line[strcspn(line, "\n")] = '\0'; |
| 303 | printf(" %s\n", line); |
| 304 | num_games++; |
| 305 | } |
| 306 | fclose(fp); |
| 307 | if (num_games == 0) { |
| 308 | fprintf(stderr(&__sF[2]), "%s: no games available\n", games); |
| 309 | return (-1); |
| 310 | } |
| 311 | return (0); |
| 312 | } |