glibc/posix/tst-posix_fadvise64.c

47 lines
1.7 KiB
C

/* Basic posix_fadvise64 tests.
Copyright (C) 2016-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#define _FILE_OFFSET_BITS 64
#include "tst-posix_fadvise-common.c"
static int
do_test (void)
{
int ret = do_test_common ();
if (ret == 1)
return 1;
/* Test passing a negative length. The compat fadvise64 might use
off64_t for size argument passing, so using -1 for len without
_FILE_OFFSET_BITS might not trigger the length issue. */
if (posix_fadvise (temp_fd, 0, -1, POSIX_FADV_NORMAL) != EINVAL)
FAIL_EXIT1 ("posix_fadvise with negative length did not return EINVAL");
/* Check with some offset values larger than 32-bits. */
off_t offset = UINT32_MAX + 2048LL;
if (posix_fadvise (temp_fd, 0, offset, POSIX_FADV_NORMAL) != 0)
FAIL_EXIT1 ("posix_fadvise failed (offset = 0, len = %zd) failed",
(ssize_t)offset);
if (posix_fadvise (temp_fd, offset, 0, POSIX_FADV_NORMAL) != 0)
FAIL_EXIT1 ("posix_fadvise failed (offset = %zd, len = 0) failed",
(ssize_t)offset);
return 0;
}