strace/tests/utimensat.c

/*
 * This file is part of utimensat strace test.
 *
 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
 * 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 <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/time.h>

#if defined HAVE_UTIMENSAT \
 && defined AT_FDCWD && defined AT_SYMLINK_NOFOLLOW \
 && defined UTIME_NOW && defined UTIME_OMIT

static void
print_ts(const struct timespec *ts)
{
	printf("{%ju, %ju}", (uintmax_t) ts->tv_sec, (uintmax_t) ts->tv_nsec);
}

int
main(void)
{
	static const char fname[] = "utimensat\nfilename";

	assert(utimensat(AT_FDCWD, fname, NULL, 0) == -1);
	if (ENOENT != errno)
		error_msg_and_skip("utimensat");

	#define PREFIX "utimensat(AT_FDCWD, \"utimensat\\nfilename\", "
	printf(PREFIX "NULL, 0) = -1 ENOENT (%m)\n");

	struct timeval tv;
	struct timespec ts[2];

	if (gettimeofday(&tv, NULL))
		perror_msg_and_skip("gettimeofday");

	ts[0].tv_sec = tv.tv_sec;
	ts[0].tv_nsec = tv.tv_usec;
	ts[1].tv_sec = tv.tv_sec - 1;
	ts[1].tv_nsec = tv.tv_usec + 1;

	printf(PREFIX "[");
	print_ts(&ts[0]);
	printf(", ");
	print_ts(&ts[1]);
	printf("], AT_SYMLINK_NOFOLLOW) = -1 ENOENT ");

	assert(utimensat(AT_FDCWD, fname, ts, AT_SYMLINK_NOFOLLOW) == -1);
	if (ENOENT != errno)
		error_msg_and_skip("utimensat");
	printf("(%m)\n");

	ts[0].tv_nsec = UTIME_NOW;
	ts[1].tv_nsec = UTIME_OMIT;
	assert(utimensat(AT_FDCWD, fname, ts, AT_SYMLINK_NOFOLLOW) == -1);
	if (ENOENT != errno)
		error_msg_and_skip("utimensat");
	printf(PREFIX "[UTIME_NOW, UTIME_OMIT], AT_SYMLINK_NOFOLLOW)"
	       " = -1 ENOENT (%m)\n");

	puts("+++ exited with 0 +++");
	return 0;
}

#else

SKIP_MAIN_UNDEFINED("HAVE_UTIMENSAT && AT_FDCWD && AT_SYMLINK_NOFOLLOW"
		    " && UTIME_NOW && UTIME_OMIT")

#endif