android13/external/ltp/testcases/kernel/syscalls/fcntl/fcntl04.c

60 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2017 Cyril Hrubis <chrubis@suse.cz>
*/
/*
* Basic test for fcntl(2) using F_GETFL argument.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
#include "tst_test.h"
static int fd;
static char fname[255];
static void verify_fcntl(void)
{
TEST(fcntl(fd, F_GETFL, 0));
if (TST_RET == -1) {
tst_res(TFAIL | TTERRNO, "fcntl(%s, F_GETFL, 0) failed",
fname);
return;
}
if ((TST_RET & O_ACCMODE) != O_RDWR) {
tst_res(TFAIL, "fcntl(%s, F_GETFL, 0) returned wrong "
"access mode %li, expected %i", fname,
TST_RET & O_ACCMODE, O_RDWR);
return;
}
tst_res(TPASS, "fcntl(%s, F_GETFL, 0) returned %lx",
fname, TST_RET);
}
static void setup(void)
{
sprintf(fname, "fcntl04_%d", getpid());
fd = SAFE_OPEN(fname, O_RDWR | O_CREAT, 0700);
}
static void cleanup(void)
{
if (fd > 0)
SAFE_CLOSE(fd);
}
static struct tst_test test = {
.needs_tmpdir = 1,
.test_all = verify_fcntl,
.setup = setup,
.cleanup = cleanup,
};