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authorLeah Rowe <leah@libreboot.org>2026-03-26 11:41:37 +0000
committerLeah Rowe <leah@libreboot.org>2026-03-26 13:09:43 +0000
commitd1ba9bae0358d87b8dc73d89b7df956722c26997 (patch)
tree4fb95f0bb88a5ff6aaee865c4cd05565a85c83a9 /util/libreboot-utils/lottery.c
parent10ecf32e33ca6a099dd9fe206e070584eb62b629 (diff)
further cleanup
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util/libreboot-utils/lottery.c')
-rw-r--r--util/libreboot-utils/lottery.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/util/libreboot-utils/lottery.c b/util/libreboot-utils/lottery.c
index 4c3b0f70..dcede791 100644
--- a/util/libreboot-utils/lottery.c
+++ b/util/libreboot-utils/lottery.c
@@ -2,31 +2,38 @@
* Copyright (c) 2026 Leah Rowe <leah@libreboot.org>
*/
-#ifdef __OpenBSD__
-#include <sys/param.h> /* pledge(2) */
-#endif
-
#include <stdio.h>
+#include <string.h>
+
#include "include/common.h"
+#define MAX_ALLOC (1 << 17)
+
+static int rigged(char **s);
int
main(int argc, char *argv[])
{
- int lucky;
-#if defined(__OpenBSD__) && defined(OpenBSD)
-#if (OpenBSD) >= 509
+ char *s = "You lose!";
+ int lucky = rigged(&s);
+
+#ifdef __OpenBSD__
if (pledge("stdio", NULL) == -1)
- err_no_cleanup(0, errno, "openbsd won it");
+ err_no_cleanup(0, errno, "openbsd wins");
#endif
-#endif
- setvbuf(stdout, NULL, _IONBF, 0);
+ printf("%s\n", s);
+ return lucky;
+}
- lucky = win_lottery();
+static int
+rigged(char **s) /* are u lucky? */
+{
+ size_t size[2] = { rsize(MAX_ALLOC), rsize(MAX_ALLOC) };
- printf("%s\n", lucky ? "You won!" : "You lose! Sorry!");
- return lucky ? EXIT_SUCCESS : EXIT_FAILURE;
+ return !(size[0] && size[0] == size[1] && size[0] <= MAX_ALLOC << 1 &&
+ s != NULL) || memcmp(*s = mkrbuf(size[0] << 1), *s + size[0],
+ size[0]);
}/*
( >:3 )
- /| |\
+ /| |\ it could be you!
/ \ */