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/*
* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2014-2017 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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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