2 * Check decoding of fallocate syscall.
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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32 #include <asm/unistd.h>
34 #if defined(__NR_fallocate) && defined(HAVE_FALLOCATE) && HAVE_FALLOCATE
41 # include "xlat/falloc_flags.h"
46 static const int bogus_fd = 0xbeefface;
47 static const int bogus_mode = 0xdeadca75;
48 static const off_t bogus_offset = (off_t) 0xbadc0dedda7a1057LLU;
49 static const off_t bogus_len = (off_t) 0xbadfaceca7b0d1e5LLU;
51 long rc = fallocate(bogus_fd, bogus_mode, bogus_offset, bogus_len);
53 * Workaround a bug fixed by commit glibc-2.11-346-gde240a0.
59 const char *errstr = sprintrc(rc);
61 printf("fallocate(%d, ", bogus_fd);
62 printflags(falloc_flags, (unsigned) bogus_mode, "FALLOC_FL_???");
63 printf(", %lld, %lld) = %s\n",
64 (long long) bogus_offset, (long long) bogus_len, errstr);
66 puts("+++ exited with 0 +++");
73 SKIP_MAIN_UNDEFINED("__NR_fallocate && HAVE_FALLOCATE");