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/*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2017 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"
#include <asm/unistd.h>
#ifdef __NR_sendfile64
# include <assert.h>
# include <errno.h>
# include <fcntl.h>
# include <stdio.h>
# include <stdint.h>
# include <stdlib.h>
# include <unistd.h>
# include <sys/socket.h>
int
main(void)
{
(void) close(0);
if (open("/dev/zero", O_RDONLY) != 0)
perror_msg_and_skip("open: %s", "/dev/zero");
int sv[2];
if (socketpair(AF_UNIX, SOCK_STREAM, 0, sv))
perror_msg_and_skip("socketpair");
const unsigned int page_size = get_page_size();
assert(syscall(__NR_sendfile64, 0, 1, NULL, page_size) == -1);
if (EBADF != errno)
perror_msg_and_skip("sendfile64");
printf("sendfile64(0, 1, NULL, %u) = -1 EBADF (%m)\n", page_size);
unsigned int file_size = 0;
socklen_t optlen = sizeof(file_size);
if (getsockopt(sv[1], SOL_SOCKET, SO_SNDBUF, &file_size, &optlen))
perror_msg_and_fail("getsockopt");
if (file_size < 1024)
error_msg_and_skip("SO_SNDBUF too small: %u", file_size);
file_size /= 4;
if (file_size / 16 > page_size)
file_size = page_size * 16;
const unsigned int blen = file_size / 3;
const unsigned int alen = file_size - blen;
static const char fname[] = "sendfile64-tmpfile";
int reg_in = open(fname, O_RDWR | O_CREAT | O_TRUNC, 0600);
if (reg_in < 0)
perror_msg_and_fail("open: %s", fname);
if (unlink(fname))
perror_msg_and_fail("unlink: %s", fname);
if (ftruncate(reg_in, file_size))
perror_msg_and_fail("ftruncate: %s", fname);
TAIL_ALLOC_OBJECT_CONST_PTR(uint64_t, p_off);
void *p = p_off + 1;
*p_off = 0;
assert(syscall(__NR_sendfile64, 0, 1, p, page_size) == -1);
printf("sendfile64(0, 1, %p, %u) = -1 EFAULT (%m)\n", p, page_size);
assert(syscall(__NR_sendfile64, sv[1], reg_in, NULL, alen)
== (long) alen);
printf("sendfile64(%d, %d, NULL, %u) = %u\n",
sv[1], reg_in, alen, alen);
assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, alen)
== (long) alen);
printf("sendfile64(%d, %d, [0] => [%u], %u) = %u\n",
sv[1], reg_in, alen, alen, alen);
assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, file_size + 1)
== (long) blen);
printf("sendfile64(%d, %d, [%u] => [%u], %u) = %u\n",
sv[1], reg_in, alen, file_size, file_size + 1, blen);
*p_off = 0xcafef00dfacefeedULL;
assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, 1) == -1);
printf("sendfile64(%d, %d, [14627392582579060461], 1)"
" = -1 EINVAL (%m)\n", sv[1], reg_in);
*p_off = 0xfacefeed;
assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, 1) == 0);
printf("sendfile64(%d, %d, [4207869677], 1) = 0\n", sv[1], reg_in);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_sendfile64")
#endif
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