-
Notifications
You must be signed in to change notification settings - Fork 1
/
password.c
54 lines (40 loc) · 850 Bytes
/
password.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
#include "../async.h"
#include <ncurses.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
static char *password = "1234";
ASYNC(lock) {
static int index;
static int c;
BEGIN();
printw("enter password: %s\n", password);
for (index = 0; index < strlen(password); index++) {
while (1) {
YIELD_UNTIL((c = getch(), c != ERR)); // wait until char available
addch('*');
if (c == password[index]) {
break; // leave while loop, goto next index
} else {
index = 0; // wrong char, reset index
}
}
}
printw("\npassword correct");
END();
}
void ctrlc(int signal) {
endwin();
exit(0);
}
int main() {
initscr();
cbreak();
noecho();
signal(SIGINT, ctrlc);
BLOCK(lock); // run the task until completion
refresh();
while (1)
continue;
return 0;
}