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/* Test for futimens
Copyright (C) 2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <support/check.h>
#include <support/support.h>
#include <support/xunistd.h>
#include <support/temp_file.h>
static int temp_fd = -1;
static char *testfile;
/* struct timespec array with Y2038 threshold minus 2 and 1 seconds. */
const struct timespec t1[2] = { { 0x7FFFFFFE, 0 }, { 0x7FFFFFFF, 0 } };
/* struct timespec array with Y2038 threshold plus 1 and 2 seconds. */
const struct timespec t2[2] = { { 0x80000001ULL, 0 }, { 0x80000002ULL, 0 } };
/* struct timespec array around Y2038 threshold. */
const struct timespec t3[2] = { { 0x7FFFFFFE, 0 }, { 0x80000002ULL, 0 } };
#define PREPARE do_prepare
static void
do_prepare (int argc, char *argv[])
{
temp_fd = create_temp_file ("futimensat", &testfile);
TEST_VERIFY_EXIT (temp_fd > 0);
}
static int
test_futimens_helper (const struct timespec *ts)
{
if (!support_path_support_time64 (testfile))
FAIL_UNSUPPORTED ("File %s does not support 64-bit timestamps",
testfile);
struct stat64 st;
int result;
time_t t;
/* Check if we run on port with 32 bit time_t size */
if (__builtin_add_overflow (ts->tv_sec, 0, &t))
{
printf("time_t overflow!");
return 0;
}
result = futimens (temp_fd, ts);
TEST_VERIFY_EXIT (result == 0);
xfstat (temp_fd, &st);
/* Check if seconds for atime match */
TEST_COMPARE (st.st_atime, ts[0].tv_sec);
/* Check if seconds for mtime match */
TEST_COMPARE (st.st_mtime, ts[1].tv_sec);
return 0;
}
static int
do_test (void)
{
test_futimens_helper (&t1[0]);
test_futimens_helper (&t2[0]);
test_futimens_helper (&t3[0]);
return 0;
}
#include <support/test-driver.c>
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