1d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes/* 2d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org> 377c3ff8e0644f1e120e4b2ebc7222150b0446f3bElliott Hughes * Copyright (c) 2014-2017 The strace developers. 4d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * All rights reserved. 5d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 6d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Redistribution and use in source and binary forms, with or without 7d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * modification, are permitted provided that the following conditions 8d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * are met: 9d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 1. Redistributions of source code must retain the above copyright 10d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer. 11d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 2. Redistributions in binary form must reproduce the above copyright 12d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer in the 13d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * documentation and/or other materials provided with the distribution. 14d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 3. The name of the author may not be used to endorse or promote products 15d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * derived from this software without specific prior written permission. 16d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 17d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes */ 28d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 29d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include "tests.h" 30d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 31d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#if defined(HAVE_PREADV) && defined(HAVE_PWRITEV) 32d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 33d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <fcntl.h> 34d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <unistd.h> 35d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <sys/uio.h> 36d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <assert.h> 37d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 38d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesint 39d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesmain(void) 40d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 41d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes const off_t offset = 0xdefaceddeadbeefLL; 42d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes char buf[4]; 43dc75b01004a0588c1eb3bc26d7248a6e473b2cddElliott Hughes struct iovec iov = { buf, sizeof(buf) }; 44d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 45d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes (void) close(0); 46d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(open("/dev/zero", O_RDONLY) == 0); 47dc75b01004a0588c1eb3bc26d7248a6e473b2cddElliott Hughes assert(pread(0, buf, sizeof(buf), offset) == 4); 48d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(preadv(0, &iov, 1, offset) == 4); 49d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(!close(0)); 50d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 51d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(open("/dev/null", O_WRONLY) == 0); 52dc75b01004a0588c1eb3bc26d7248a6e473b2cddElliott Hughes assert(pwrite(0, buf, sizeof(buf), offset) == 4); 53d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(pwritev(0, &iov, 1, offset) == 4); 54d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(!close(0)); 55d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 56d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes return 0; 57d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 58d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 59d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#else 60d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 61d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott HughesSKIP_MAIN_UNDEFINED("HAVE_PREADV && HAVE_PWRITEV") 62d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 63d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#endif 64