blob: ef4536bd19f59f66be3a1bfdce726d8513230af7 (
plain)
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
|
#include<stdlib.h>
#include<stdio.h>
/* бля какой же код охуенный */
/* ломается, если x = 0x8000000000000000 */
char* tobin(long int x) {
size_t i = 0, j = 0;
char buffer[64];
char *ret;
char sgn = x < 0;
x *= ((x > 0) << 1) - 1;
printf("%li\n", x);
for (; x; x >>= 1) buffer[i++] = '0' + (x & 1);
ret = calloc(i + 1 + sgn, sizeof *ret);
ret[0] = '-';
j += sgn;
while (i) ret[j++] = buffer[--i];
return ret;
}
int main(int argc, char* argv[]) {
long number;
char *bin;
if (argc != 2) {
fprintf(stderr, "\x1b[91mError: Invalid amount of arguments\x1b[0m\n"
"Usage: \x1b[92m%s <number>\n\x1b[0m", argv[0]);
return 1;
}
number = atol(argv[1]);
if (number == 0) {
puts("Binary for 0: 0");
return 0;
}
if (number == 0x8000000000000000) {
puts("Aha, I see what you did there)");
return 1;
}
bin = tobin(number);
printf("Binary for %li: %s\n", number, bin);
free(bin);
return 0;
}
|
