#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
int init(void);
void cleanup(void);
+int parse_args(int argc, char **argv);
+void print_usage(const char *argv0);
long get_msec(void);
static const char *termfile = "/dev/tty";
long msec, next;
struct timeval tv;
- if(argc > 1) {
- termfile = argv[1];
+ if(parse_args(argc, argv) == -1) {
+ return 1;
}
if(init() == -1) {
dup(fd);
umask(002);
- open("ansitris.log", O_WRONLY | O_CREAT, 0664);
+ open("ansitris.log", O_WRONLY | O_CREAT | O_TRUNC, 0664);
if(init_game() == -1) {
tcsetattr(0, TCSAFLUSH, &saved_term);
}
+int parse_args(int argc, char **argv)
+{
+ int i;
+
+ for(i=1; i<argc; i++) {
+ if(argv[i][0] == '-') {
+ if(argv[i][2] == 0) {
+ switch(argv[i][1]) {
+ case 't':
+ termfile = argv[++i];
+ break;
+
+ case 'b':
+ use_bell = 1;
+ break;
+
+ case 'h':
+ print_usage(argv[0]);
+ exit(0);
+
+ default:
+ fprintf(stderr, "invalid option: %s\n", argv[i]);
+ print_usage(argv[0]);
+ return -1;
+ }
+ } else {
+ fprintf(stderr, "invalid option: %s\n", argv[i]);
+ print_usage(argv[0]);
+ return -1;
+ }
+ } else {
+ fprintf(stderr, "unexpected argument: %s\n", argv[i]);
+ print_usage(argv[0]);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+void print_usage(const char *argv0)
+{
+ printf("Usage: %s [options]\n", argv0);
+ printf("Options:\n");
+ printf(" -t <dev>: terminal device (default: /dev/tty)\n");
+ printf(" -b: use bell for sound ques (default: off)\n");
+ printf(" -h: print usage information and exit\n");
+}
+
long get_msec(void)
{
struct timeval tv;