1 files changed, 72 insertions, 62 deletions

diff --git a/util/libreboot-utils/lottery.c b/util/libreboot-utils/lottery.c
index f7c467e2..cbe8a871 100644
--- a/util/libreboot-utils/lottery.c
+++ b/util/libreboot-utils/lottery.c
@@ -1,76 +1,86 @@
 /* SPDX-License-Identifier: MIT                                        ( >:3 )
  * Copyright (c) 2026 Leah Rowe <leah@libreboot.org>                    /| |\
-   Presenting: a love song about non-determinism.                        / \ */
+   Something something non-determinism                                   / \ */
 
+#include <ctype.h>
+#include <stddef.h>
 #include <stdio.h>
 #include <stdint.h>
-#include <stdlib.h> /*                           (^.>)  - are u lucky?       */
-#include <string.h> /*                           \| /=                       */
-#include "include/common.h" /*                    l \                        */
+#include <string.h>
+#include <stdlib.h>
+#include "include/common.h"
 
-#define len_hell(x, y) ((((x) - (y)) < BUFSIZ) ? ((x) - (y)) : BUFSIZ)
+static void
+exit_cleanup(void);
 
-static int rigged(void)
+static void
+spew_buf(const void *data, size_t len);
+
+int
+main(int argc, char **argv)
 {
-	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;
-	}
+	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;
 
-	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;
-	} 
+	if (argc < 2) /* no spew */
+		spew_buf(buf, BUFSIZ);
+	free(buf);
 
-	goto hell;
+	fprintf(stderr, "\n%s\n", same ? "You win!" : "You lose!");
+	return same ^ 1;
 }
-heaven:
-	rval = 0; /* <-- WINNER!!! */
-out:
-	free_and_set_null(&b1);
-	free_and_set_null(&b2);
-	free_and_set_null(&s);
-
-	return rval;
+
+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);
 }
-/*                                              \(^o^)/ - come back soon!   */
-int main(int argc, char **argv) /*               \ /                         */
-{ /*                                             / \                         */
-	xpledgex("stdio", NULL); /*                                          */
-	printf("%s\n", (argc = rigged()) ? "You lose!" : "You win!");
 
-	return argc;
+static void
+exit_cleanup(void)
+{
+	return;
 }