android13/external/ltp/testcases/kernel/syscalls/sendfile/sendfile03.c

68 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) International Business Machines Corp., 2001
* 07/2001 Ported by Wayne Boyer
*/
/*\
* [Description]
*
* Testcase to test that sendfile(2) system call returns EBADF when passing
* wrong out_fd or in_fd.
*
* There are four cases:
*
* - in_fd == -1
* - out_fd = -1
* - in_fd opened with O_WRONLY
* - out_fd opened with O_RDONLY
*/
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/sendfile.h>
#include "tst_test.h"
static int in_fd;
static int out_fd;
static int negative_fd = -1;
struct test_case_t {
int *in_fd;
int *out_fd;
const char *desc;
} tc[] = {
{&in_fd, &negative_fd, "out_fd=-1"},
{&in_fd, &in_fd, "out_fd=O_RDONLY"},
{&negative_fd, &out_fd, "in_fd=-1"},
{&out_fd, &out_fd, "out_fd=O_WRONLY"},
};
static void setup(void)
{
in_fd = SAFE_OPEN("in_file", O_CREAT | O_RDONLY, 0600);
out_fd = SAFE_CREAT("out_file", 0600);
}
static void cleanup(void)
{
SAFE_CLOSE(in_fd);
SAFE_CLOSE(out_fd);
}
static void run(unsigned int i)
{
TST_EXP_FAIL(sendfile(*(tc[i].out_fd), *(tc[i].in_fd), NULL, 1),
EBADF, "sendfile(..) with %s", tc[i].desc);
}
static struct tst_test test = {
.tcnt = ARRAY_SIZE(tc),
.needs_tmpdir = 1,
.cleanup = cleanup,
.setup = setup,
.test = run,
};