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https://codeberg.org/libreboot/lbmk.git
synced 2026-07-11 14:02:52 +02:00
Leah Rowe
afe2e71c01
this is a more generic one that i implemented for "lottery.c" (which is really just a tester of my rset function in lib/rand.c) i could probably actually write a full hexdump program in libreboot-utils to be honest. Signed-off-by: Leah Rowe <leah@libreboot.org>
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT ( >:3 )
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* Copyright (c) 2026 Leah Rowe <leah@libreboot.org> /| |\
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Something something non-determinism / \ */
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#include <ctype.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include "include/common.h"
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static void
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exit_cleanup(void);
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int
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main(int argc, char **argv)
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{
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int same = 0;
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char *buf;
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(void) argc, (void) argv;
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(void) errhook(exit_cleanup);
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if (lbsetprogname(argv[0]) == NULL)
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err_exit(errno, "could not set progname");
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/* https://man.openbsd.org/pledge.2 */
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xpledgex("stdio", NULL);
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buf = mkrbuf(BUFSIZ);
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if (!memcmp(buf, buf + (BUFSIZ >> 1), BUFSIZ >> 1))
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same = 1;
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if (argc < 2) /* no spew */
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spew_hex(buf, BUFSIZ);
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free(buf);
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fprintf(stderr, "\n%s\n", same ? "You win!" : "You lose!");
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return same ^ 1;
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}
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static void
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exit_cleanup(void)
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{
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#if defined(__OpenBSD__)
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fprintf(stderr, "OpenBSD wins\n");
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#elif defined(__FreeBSD__)
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fprintf(stderr, "FreeBSD wins\n");
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#elif defined(__NetBSD__)
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fprintf(stderr, "NetBSD wins\n");
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#elif defined(__APPLE__)
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fprintf(stderr, "MacOS wins\n");
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#elif defined(__DragonFly__)
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fprintf(stderr, "DragonFly BSD wins\n");
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#elif defined(__linux__)
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#if defined(__GLIBC__)
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fprintf(stderr, "GNU/Linux wins\n");
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#elif defined(__MUSL__)
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fprintf(stderr, "Rich Felker wins\n");
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#else
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fprintf(stderr, "Linux wins\n");
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#endif
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#else
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fprintf(stderr, "Your operating system wins\n");
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#endif
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return;
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}
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