1 files changed, 86 insertions, 0 deletions
diff --git a/util/libreboot-utils/lottery.c b/util/libreboot-utils/lottery.c
new file mode 100644
index 00000000..cbe8a871
--- /dev/null
+++ b/util/libreboot-utils/lottery.c
@@ -0,0 +1,86 @@
+/* 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;
+}