mirror of
https://codeberg.org/libreboot/lbmk.git
synced 2026-07-11 14:02:52 +02:00
Leah Rowe
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/* SPDX-License-Identifier: MIT ( >:3 )
|
|
* Copyright (c) 2026 Leah Rowe <leah@libreboot.org> /| |\
|
|
Presenting: a love song about non-determinism. / \ */
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h> /* (^.>) - are u lucky? */
|
|
#include <string.h> /* \| /= */
|
|
#include "include/common.h" /* l \ */
|
|
|
|
#define len_hell(x, y) ((((x) - (y)) < BUFSIZ) ? ((x) - (y)) : BUFSIZ)
|
|
|
|
static int rigged(void)
|
|
{
|
|
size_t size[5] = { 0, 0, 0, SIZE_MAX, SIZE_MAX};
|
|
char *b1 = NULL, *b2 = NULL;
|
|
char *s = NULL;
|
|
size_t e = 0;
|
|
|
|
int rval = 1;
|
|
|
|
for (e = 0; e < SIZE_MAX; e++) {
|
|
if (rsize(e | 1) == 666)
|
|
goto heaven;
|
|
|
|
size[3] = SIZE_MAX;
|
|
size[4] = SIZE_MAX;
|
|
hell:
|
|
if (!size[3]) {
|
|
if (!size[4])
|
|
continue;
|
|
else --size[4];
|
|
} else --size[3];
|
|
|
|
free_and_set_null(&b1);
|
|
free_and_set_null(&b2);
|
|
|
|
size[0] = rsize(SIZE_MAX); /* \( ^o^)/ - then come play! */
|
|
size[1] = rsize(SIZE_MAX); /* | | */
|
|
/* / \ */
|
|
if (!(size[0] && (size[0] == size[1]) && (size[0] <= SIZE_MAX)) ||
|
|
((size[0] & 1) && (*(b1 = mkrstr(1)) != *(b2 = mkrstr(1)))))
|
|
goto out; /* \(^-^)/ - it could be you! */
|
|
if (!(size[0] &= ~(size_t)1)) /* \ / */
|
|
goto hell; /* / \ */
|
|
|
|
if (s == NULL) {
|
|
if ((s = malloc(BUFSIZ)) == NULL)
|
|
goto out;
|
|
}
|
|
|
|
for (size[1] = 0; size[1] < size[0]; size[1] += BUFSIZ) {
|
|
rset(s, size[2] = len_hell(size[0], size[1]));
|
|
if (!memcmp(s, s + (size[2] >> 1), size[2] >> 1))
|
|
goto out;
|
|
}
|
|
|
|
goto hell;
|
|
}
|
|
heaven:
|
|
rval = 0; /* <-- WINNER!!! */
|
|
out:
|
|
free_and_set_null(&b1);
|
|
free_and_set_null(&b2);
|
|
free_and_set_null(&s);
|
|
|
|
return rval;
|
|
}
|
|
/* \(^o^)/ - come back soon! */
|
|
int main(int argc, char **argv) /* \ / */
|
|
{ /* / \ */
|
|
xpledgex("stdio", NULL); /* */
|
|
printf("%s\n", (argc = rigged()) ? "You lose!" : "You win!");
|
|
|
|
return argc;
|
|
}
|