-/* $NetBSD: main.c,v 1.13 2003/08/07 09:36:54 agc Exp $ */
+/* $NetBSD: main.c,v 1.24 2015/06/25 05:33:02 dholland Exp $ */
/*-
* Copyright (c) 1990, 1993
#include <sys/cdefs.h>
#ifndef lint
-__COPYRIGHT("@(#) Copyright (c) 1990, 1993\n\
- The Regents of the University of California. All rights reserved.\n");
+__COPYRIGHT("@(#) Copyright (c) 1990, 1993\
+ The Regents of the University of California. All rights reserved.");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 5/31/93";
#else
-__RCSID("$NetBSD: main.c,v 1.13 2003/08/07 09:36:54 agc Exp $");
+__RCSID("$NetBSD: main.c,v 1.24 2015/06/25 05:33:02 dholland Exp $");
#endif
#endif /* not lint */
-#include "include.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <termios.h>
+#include <getopt.h>
+#include <err.h>
+
#include "pathnames.h"
+#include "def.h"
+#include "struct.h"
+#include "extern.h"
+#include "tunable.h"
extern FILE *yyin;
+static int read_file(const char *);
+static const char *default_game(void);
+static const char *okay_game(const char *);
+static int list_games(void);
+static void quit(int);
+
int
-main(ac, av)
- int ac;
- char *av[];
+main(int argc, char *argv[])
{
- int seed;
+ unsigned long seed;
int f_usage = 0, f_list = 0, f_showscore = 0;
int f_printpath = 0;
const char *file = NULL;
/* Open the score file then revoke setgid privileges */
open_score_file();
- setgid(getgid());
+ (void)setgid(getgid());
- start_time = seed = time(NULL);
+ start_time = time(NULL);
+ seed = start_time;
- while ((ch = getopt(ac, av, "ulstpg:f:r:")) != -1) {
+ while ((ch = getopt(argc, argv, ":u?lstpg:f:r:")) != -1) {
switch (ch) {
case '?':
case 'u':
default:
- f_usage++;
+ f_usage = 1;
break;
case 'l':
- f_list++;
+ f_list = 1;
break;
case 's':
case 't':
- f_showscore++;
+ f_showscore = 1;
break;
case 'p':
- f_printpath++;
+ f_printpath = 1;
break;
case 'r':
seed = atoi(optarg);
break;
}
}
- if (optind < ac)
- f_usage++;
+ if (optind < argc)
+ f_usage = 1;
srandom(seed);
if (f_usage)
- fprintf(stderr,
+ (void)fprintf(stderr,
"Usage: %s -[u?lstp] [-[gf] game_name] [-r random seed]\n",
- av[0]);
+ argv[0]);
if (f_showscore)
- log_score(1);
+ (void)log_score(1);
if (f_list)
- list_games();
+ (void)list_games();
if (f_printpath) {
char buf[100];
- strcpy(buf, _PATH_GAMES);
- buf[strlen(buf) - 1] = '\0';
- puts(buf);
+ (void)strlcpy(buf, _PATH_GAMES, 100);
+ (void)puts(buf);
}
if (f_usage || f_showscore || f_list || f_printpath)
addplane();
- signal(SIGINT, quit);
- signal(SIGQUIT, quit);
+ (void)signal(SIGINT, quit);
+ (void)signal(SIGQUIT, quit);
#ifdef BSD
- signal(SIGTSTP, SIG_IGN);
- signal(SIGSTOP, SIG_IGN);
+ (void)signal(SIGTSTP, SIG_IGN);
#endif
- signal(SIGHUP, log_score_quit);
- signal(SIGTERM, log_score_quit);
+ (void)signal(SIGHUP, log_score_quit);
+ (void)signal(SIGTERM, log_score_quit);
- tcgetattr(fileno(stdin), &tty_start);
+ (void)tcgetattr(fileno(stdin), &tty_start);
tty_new = tty_start;
tty_new.c_lflag &= ~(ICANON|ECHO);
tty_new.c_iflag |= ICRNL;
tty_new.c_cc[VMIN] = 1;
tty_new.c_cc[VTIME] = 0;
- tcsetattr(fileno(stdin), TCSADRAIN, &tty_new);
+ (void)tcsetattr(fileno(stdin), TCSADRAIN, &tty_new);
sa.sa_handler = update;
- sigemptyset(&sa.sa_mask);
- sigaddset(&sa.sa_mask, SIGALRM);
- sigaddset(&sa.sa_mask, SIGINT);
+ (void)sigemptyset(&sa.sa_mask);
+ (void)sigaddset(&sa.sa_mask, SIGALRM);
+ (void)sigaddset(&sa.sa_mask, SIGINT);
sa.sa_flags = 0;
- sigaction(SIGALRM, &sa, (struct sigaction *)0);
+ (void)sigaction(SIGALRM, &sa, (struct sigaction *)0);
#ifdef BSD
itv.it_value.tv_sec = 0;
itv.it_value.tv_usec = 1;
itv.it_interval.tv_sec = sp->update_secs;
itv.it_interval.tv_usec = 0;
- setitimer(ITIMER_REAL, &itv, NULL);
+ (void)setitimer(ITIMER_REAL, &itv, NULL);
#endif
#ifdef SYSV
alarm(sp->update_secs);
#ifdef BSD
itv.it_value.tv_sec = 0;
itv.it_value.tv_usec = 0;
- setitimer(ITIMER_REAL, &itv, NULL);
+ (void)setitimer(ITIMER_REAL, &itv, NULL);
#endif
#ifdef SYSV
alarm(0);
itv.it_value.tv_usec = 0;
itv.it_interval.tv_sec = sp->update_secs;
itv.it_interval.tv_usec = 0;
- setitimer(ITIMER_REAL, &itv, NULL);
+ (void)setitimer(ITIMER_REAL, &itv, NULL);
#endif
#ifdef SYSV
alarm(sp->update_secs);
}
}
-int
-read_file(s)
- const char *s;
+static int
+read_file(const char *s)
{
int retval;
- file = s;
+ filename = s;
yyin = fopen(s, "r");
if (yyin == NULL) {
warn("fopen %s", s);
return (-1);
}
retval = yyparse();
- fclose(yyin);
+ (void)fclose(yyin);
if (retval != 0)
return (-1);
return (0);
}
-const char *
-default_game()
+static const char *
+default_game(void)
{
FILE *fp;
static char file[256];
char line[256], games[256];
- strcpy(games, _PATH_GAMES);
- strcat(games, GAMES);
+ (void)strlcpy(games, _PATH_GAMES, 256);
+ (void)strlcat(games, GAMES, 256);
if ((fp = fopen(games, "r")) == NULL) {
warn("fopen %s", games);
return (NULL);
}
if (fgets(line, sizeof(line), fp) == NULL) {
- fprintf(stderr, "%s: no default game available\n", games);
+ (void)fprintf(stderr, "%s: no default game available\n", games);
+ fclose(fp);
return (NULL);
}
- fclose(fp);
+ (void)fclose(fp);
line[strlen(line) - 1] = '\0';
- strcpy(file, _PATH_GAMES);
- strcat(file, line);
+ (void)strlcpy(file, _PATH_GAMES, 256);
+ (void)strlcat(file, line, 256);
return (file);
}
-const char *
-okay_game(s)
- const char *s;
+static const char *
+okay_game(const char *s)
{
FILE *fp;
static char file[256];
const char *ret = NULL;
char line[256], games[256];
- strcpy(games, _PATH_GAMES);
- strcat(games, GAMES);
+ (void)strlcpy(games, _PATH_GAMES, 256);
+ (void)strlcat(games, GAMES, 256);
if ((fp = fopen(games, "r")) == NULL) {
warn("fopen %s", games);
while (fgets(line, sizeof(line), fp) != NULL) {
line[strlen(line) - 1] = '\0';
if (strcmp(s, line) == 0) {
- strcpy(file, _PATH_GAMES);
- strcat(file, line);
+ (void)strlcpy(file, _PATH_GAMES, 256);
+ (void)strlcat(file, line, 256);
ret = file;
break;
}
}
- fclose(fp);
+ (void)fclose(fp);
if (ret == NULL) {
test_mode = 1;
ret = s;
- fprintf(stderr, "%s: %s: game not found\n", games, s);
- fprintf(stderr, "Your score will not be logged.\n");
- sleep(2); /* give the guy time to read it */
+ (void)fprintf(stderr, "%s: %s: game not found\n", games, s);
+ (void)fprintf(stderr, "Your score will not be logged.\n");
+ (void)sleep(2); /* give the guy time to read it */
}
return (ret);
}
-int
-list_games()
+static int
+list_games(void)
{
FILE *fp;
char line[256], games[256];
int num_games = 0;
- strcpy(games, _PATH_GAMES);
- strcat(games, GAMES);
+ (void)strlcpy(games, _PATH_GAMES, 256);
+ (void)strlcat(games, GAMES, 256);
if ((fp = fopen(games, "r")) == NULL) {
warn("fopen %s", games);
return (-1);
}
- puts("available games:");
+ (void)puts("available games:");
while (fgets(line, sizeof(line), fp) != NULL) {
- printf(" %s", line);
+ (void)printf(" %s", line);
num_games++;
}
- fclose(fp);
+ (void)fclose(fp);
if (num_games == 0) {
- fprintf(stderr, "%s: no games available\n", games);
+ (void)fprintf(stderr, "%s: no games available\n", games);
return (-1);
}
return (0);
}
+
+/* ARGSUSED */
+static void
+quit(int dummy __unused)
+{
+ int c;
+#ifdef BSD
+ struct itimerval itv;
+#endif
+ ioaskquit();
+ c = getAChar();
+ if (c == EOF || c == 'y') {
+ /* disable timer */
+#ifdef BSD
+ itv.it_value.tv_sec = 0;
+ itv.it_value.tv_usec = 0;
+ (void)setitimer(ITIMER_REAL, &itv, NULL);
+#endif
+#ifdef SYSV
+ alarm(0);
+#endif
+ shutdown_gr();
+ (void)log_score(0);
+ exit(0);
+ }
+ ionoquit();
+}
git.ckatri.com / bsdgames-darwin.git / blobdiff