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/* Common tests for utimensat routines.
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 <array_length.h>
#include <inttypes.h>
#include <support/support.h>
#include <support/temp_file.h>
#include <stdio.h>
static int temp_fd = -1;
static char *testfile;
const static struct {
int64_t v1;
int64_t v2;
} tests[] = {
/* Y2038 threshold minus 2 and 1 seconds. */
{ 0x7FFFFFFELL, 0x7FFFFFFFLL },
/* Y2038 threshold plus 1 and 2 seconds. */
{ 0x80000001LL, 0x80000002LL },
/* Around Y2038 threshold. */
{ 0x7FFFFFFELL, 0x80000002LL },
/* Y2106 threshold minus 2 and 1 seconds. */
{ 0x100000000LL, 0xFFFFFFFELL },
/* Y2106 threshold plus 1 and 2 seconds. */
{ 0x100000001LL, 0x100000002LL },
/* Around Y2106 threshold. */
{ 0xFFFFFFFELL, 0xFFFFFFFELL },
};
#define PREPARE do_prepare
static void
do_prepare (int argc, char *argv[])
{
temp_fd = create_temp_file ("utime", &testfile);
TEST_VERIFY_EXIT (temp_fd > 0);
}
static int
do_test (void)
{
if (!support_path_support_time64 (testfile))
FAIL_UNSUPPORTED ("File %s does not support 64-bit timestamps",
testfile);
bool y2106 = support_path_support_time64_value (testfile,
0x100000001LL,
0x100000002LL);
for (int i = 0; i < array_length (tests); i++)
{
/* Check if we run on port with 32 bit time_t size. */
time_t t;
if (__builtin_add_overflow (tests[i].v1, 0, &t)
|| __builtin_add_overflow (tests[i].v2, 0, &t))
{
printf ("warning: skipping tests[%d] { %" PRIx64 ", %" PRIx64 " }: "
"time_t overflows\n", i, tests[i].v1, tests[i].v2);
continue;
}
if (tests[i].v1 >= 0x100000000LL && !y2106)
{
printf ("warning: skipping tests[%d] { %" PRIx64 ", %" PRIx64 " }: "
"unsupported timestamp value\n",
i, tests[i].v1, tests[i].v2);
continue;
}
TEST_CALL (testfile, temp_fd, tests[i].v1, tests[i].v2);
}
return 0;
}
#include <support/test-driver.c>
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