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/*
* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2014-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#if defined(HAVE_PREADV) && defined(HAVE_PWRITEV)
# include <fcntl.h>
# include <unistd.h>
# include <sys/uio.h>
# include <assert.h>
int
main(void)
{
const off_t offset = 0xdefaceddeadbeefLL;
char buf[4];
struct iovec iov = { buf, sizeof(buf) };
(void) close(0);
assert(open("/dev/zero", O_RDONLY) == 0);
assert(pread(0, buf, sizeof(buf), offset) == 4);
assert(preadv(0, &iov, 1, offset) == 4);
assert(!close(0));
assert(open("/dev/null", O_WRONLY) == 0);
assert(pwrite(0, buf, sizeof(buf), offset) == 4);
assert(pwritev(0, &iov, 1, offset) == 4);
assert(!close(0));
return 0;
}
#else
SKIP_MAIN_UNDEFINED("HAVE_PREADV && HAVE_PWRITEV")
#endif
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