diff options
Diffstat (limited to 'util/libreboot-utils/lottery.c')
| -rw-r--r-- | util/libreboot-utils/lottery.c | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/util/libreboot-utils/lottery.c b/util/libreboot-utils/lottery.c index 8157d7a9..dcede791 100644 --- a/util/libreboot-utils/lottery.c +++ b/util/libreboot-utils/lottery.c @@ -2,40 +2,38 @@ * Copyright (c) 2026 Leah Rowe <leah@libreboot.org> */ -#ifdef __OpenBSD__ -#include <sys/param.h> /* pledge(2) */ -#endif - #include <stdio.h> -#include <stdlib.h> +#include <string.h> + #include "include/common.h" +#define MAX_ALLOC (1 << 17) + +static int rigged(char **s); int main(int argc, char *argv[]) { - char *s1 = NULL; - int rval = 0; + char *s = "You lose!"; + int lucky = rigged(&s); -#if defined(__OpenBSD__) && defined(OpenBSD) -#if (OpenBSD) >= 509 +#ifdef __OpenBSD__ if (pledge("stdio", NULL) == -1) - err_no_cleanup(0, errno, "openbsd won it"); -#endif + err_no_cleanup(0, errno, "openbsd wins"); #endif - setvbuf(stdout, NULL, _IONBF, 0); + printf("%s\n", s); + return lucky; +} - if (win_lottery(&s1)) - rval = 1; - - if (s1 != NULL) { - printf("%s\n\n", s1); - free(s1); - } +static int +rigged(char **s) /* are u lucky? */ +{ + size_t size[2] = { rsize(MAX_ALLOC), rsize(MAX_ALLOC) }; - printf("%s\n", rval ? "You won!" : "You lose! Sorry!"); - return rval? 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! / \ */ |