-/* $NetBSD: main.c,v 1.3 1995/03/21 15:04:24 cgd Exp $ */
+/* $NetBSD: main.c,v 1.19 2008/07/20 01:03:20 lukem Exp $ */
/*-
* Copyright (c) 1990, 1993
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* For more info on this and all of my stuff, mail edjames@berkeley.edu.
*/
+#include <sys/cdefs.h>
#ifndef lint
-static char 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
-static char rcsid[] = "$NetBSD: main.c,v 1.3 1995/03/21 15:04:24 cgd Exp $";
+__RCSID("$NetBSD: main.c,v 1.19 2008/07/20 01:03:20 lukem Exp $");
#endif
#endif /* not lint */
#include "include.h"
#include "pathnames.h"
-main(ac, av)
- char *av[];
+extern FILE *yyin;
+
+int
+main(int argc, char *argv[])
{
- int seed;
+ unsigned long seed;
int f_usage = 0, f_list = 0, f_showscore = 0;
int f_printpath = 0;
- char *file = NULL;
- char *name, *ptr;
+ const char *file = NULL;
+ int ch;
+ struct sigaction sa;
#ifdef BSD
struct itimerval itv;
#endif
- extern char *default_game(), *okay_game();
- extern void log_score(), quit(), update();
- start_time = seed = time(0);
+ /* Open the score file then revoke setgid privileges */
+ open_score_file();
+ (void)setgid(getgid());
+
+ start_time = time(NULL);
+ seed = start_time;
- name = *av++;
- while (*av) {
-#ifndef SAVEDASH
- if (**av == '-')
- *++*av;
- else
+ while ((ch = getopt(argc, argv, ":u?lstpg:f:r:")) != -1) {
+ switch (ch) {
+ case '?':
+ case 'u':
+ default:
+ f_usage++;
+ break;
+ case 'l':
+ f_list++;
+ break;
+ case 's':
+ case 't':
+ f_showscore++;
+ break;
+ case 'p':
+ f_printpath++;
+ break;
+ case 'r':
+ seed = atoi(optarg);
+ break;
+ case 'f':
+ case 'g':
+ file = optarg;
break;
-#endif
- ptr = *av++;
- while (*ptr) {
- switch (*ptr) {
- case '?':
- case 'u':
- f_usage++;
- break;
- case 'l':
- f_list++;
- break;
- case 's':
- case 't':
- f_showscore++;
- break;
- case 'p':
- f_printpath++;
- break;
- case 'r':
- seed = atoi(*av);
- av++;
- break;
- case 'f':
- case 'g':
- file = *av;
- av++;
- break;
- default:
- fprintf(stderr, "Unknown option '%c'\n", *ptr,
- name);
- f_usage++;
- break;
- }
- ptr++;
}
}
+ if (optind < argc)
+ f_usage++;
srandom(seed);
if (f_usage)
- fprintf(stderr,
+ (void)fprintf(stderr,
"Usage: %s -[u?lstp] [-[gf] game_name] [-r random seed]\n",
- name);
+ 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)
init_gr();
setup_screen(sp);
- addplane();
-
- signal(SIGINT, quit);
- signal(SIGQUIT, quit);
-#ifdef BSD
- signal(SIGTSTP, SIG_IGN);
- signal(SIGSTOP, SIG_IGN);
-#endif
- signal(SIGHUP, log_score);
- signal(SIGTERM, log_score);
+ (void)addplane();
+ (void)signal(SIGINT, quit);
+ (void)signal(SIGQUIT, quit);
#ifdef BSD
- ioctl(fileno(stdin), TIOCGETP, &tty_start);
- bcopy(&tty_start, &tty_new, sizeof(tty_new));
- tty_new.sg_flags |= CBREAK;
- tty_new.sg_flags &= ~ECHO;
- ioctl(fileno(stdin), TIOCSETP, &tty_new);
+ (void)signal(SIGTSTP, SIG_IGN);
#endif
+ (void)signal(SIGHUP, log_score_quit);
+ (void)signal(SIGTERM, log_score_quit);
-#ifdef SYSV
- ioctl(fileno(stdin), TCGETA, &tty_start);
- bcopy(&tty_start, &tty_new, sizeof(tty_new));
- tty_new.c_lflag &= ~ICANON;
- tty_new.c_lflag &= ~ECHO;
+ (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;
- ioctl(fileno(stdin), TCSETAW, &tty_new);
-#endif
+ (void)tcsetattr(fileno(stdin), TCSADRAIN, &tty_new);
- signal(SIGALRM, update);
+ sa.sa_handler = update;
+ (void)sigemptyset(&sa.sa_mask);
+ (void)sigaddset(&sa.sa_mask, SIGALRM);
+ (void)sigaddset(&sa.sa_mask, SIGINT);
+ sa.sa_flags = 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);
#endif
- update();
+ update(0);
#ifdef BSD
itv.it_value.tv_sec = sp->update_secs;
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);
}
}
-read_file(s)
- char *s;
+int
+read_file(const char *s)
{
- extern FILE *yyin;
int retval;
- file = s;
+ filename = s;
yyin = fopen(s, "r");
if (yyin == NULL) {
- perror(s);
+ warn("fopen %s", s);
return (-1);
}
retval = yyparse();
- fclose(yyin);
+ (void)fclose(yyin);
if (retval != 0)
return (-1);
return (0);
}
-char *
-default_game()
+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) {
- perror(games);
+ 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);
}
-char *
-okay_game(s)
- char *s;
+const char *
+okay_game(const char *s)
{
FILE *fp;
static char file[256];
- char *ret = NULL, line[256], games[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) {
- perror(games);
+ warn("fopen %s", games);
return (NULL);
}
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);
}
-list_games()
+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) {
- perror(games);
+ 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);
git.ckatri.com / bsdgames-darwin.git / blobdiff