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/* SPDX-License-Identifier: MIT ( >:3 )
* Copyright (c) 2026 Leah Rowe <leah@libreboot.org> /| |\
Something something non-determinism / \ */
#include <ctype.h>
#include <stddef.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include "include/common.h"
static void
exit_cleanup(void);
static void
spew_buf(const void *data, size_t len);
int
main(int argc, char **argv)
{
int same = 0;
char *buf;
(void) argc, (void) argv;
xpledgex("stdio", NULL);
(void) errhook(exit_cleanup);
buf = mkrbuf(BUFSIZ + 1);
if (!memcmp(buf, buf + (BUFSIZ >> 1), BUFSIZ >> 1))
same = 1;
if (argc < 2) /* no spew */
spew_buf(buf, BUFSIZ);
free(buf);
fprintf(stderr, "\n%s\n", same ? "You win!" : "You lose!");
return same ^ 1;
}
static void
spew_buf(const void *data, size_t len)
{
const unsigned char *buf = data;
unsigned char c;
size_t i, j;
if (buf == NULL ||
len == 0)
return;
for (i = 0; i < len; i += 16) {
printf("%08zx ", i);
for (j = 0; j < 16; j++) {
if (i + j < len)
printf("%02x ", buf[i + j]);
else
printf(" ");
if (j == 7)
printf(" ");
}
printf(" |");
for (j = 0; j < 16 && i + j < len; j++) {
c = buf[i + j];
printf("%c", isprint(c) ? c : '.');
}
printf("|\n");
}
printf("%08zx\n", len);
}
static void
exit_cleanup(void)
{
return;
}
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