android13/external/ltp/testcases/kernel/syscalls/sendfile/sendfile05.c

61 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) International Business Machines Corp., 2001
* Copyright (c) Red Hat Inc., 2007
* 11/2007 Copyed from sendfile02.c by Masatake YAMATO
*/
/*\
* [Description]
*
* Testcase to test that sendfile(2) system call returns EINVAL when passing
* negative offset.
*
* [Algorithm]
*
* Call sendfile with offset = -1.
*/
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/sendfile.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/mman.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "tst_test.h"
static int in_fd;
static int out_fd;
static void setup(void)
{
in_fd = SAFE_OPEN("in_file", O_CREAT | O_RDWR, 0600);
out_fd = SAFE_CREAT("out_file", 0600);
}
static void cleanup(void)
{
SAFE_CLOSE(in_fd);
SAFE_CLOSE(out_fd);
}
static void run(void)
{
off_t offset = -1;
TST_EXP_FAIL(sendfile(out_fd, in_fd, &offset, 1), EINVAL,
"sendfile(out, in, &offset, ..) with offset=%ld", offset);
}
static struct tst_test test = {
.needs_tmpdir = 1,
.cleanup = cleanup,
.setup = setup,
.test_all = run,
};