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99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* Common tests for utimensat routines.
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Copyright (C) 2021-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <array_length.h>
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#include <inttypes.h>
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#include <support/support.h>
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#include <support/temp_file.h>
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#include <stdio.h>
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static int temp_fd = -1;
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static char *testfile;
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static char *testlink;
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const static struct {
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int64_t v1;
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int64_t v2;
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} tests[] = {
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/* Some arbitrary date before Y2038. */
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{ 0x60ECA720LL, 0x60eca721LL },
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/* Y2038 threshold minus 2 and 1 seconds. */
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{ 0x7FFFFFFELL, 0x7FFFFFFFLL },
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/* Y2038 threshold plus 1 and 2 seconds. */
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{ 0x80000001LL, 0x80000002LL },
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/* Around Y2038 threshold. */
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{ 0x7FFFFFFELL, 0x80000002LL },
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/* Y2106 threshold minus 2 and 1 seconds. */
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{ 0x100000000LL, 0xFFFFFFFELL },
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/* Y2106 threshold plus 1 and 2 seconds. */
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{ 0x100000001LL, 0x100000002LL },
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/* Around Y2106 threshold. */
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{ 0xFFFFFFFELL, 0xFFFFFFFELL },
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};
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#define PREPARE do_prepare
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static void
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do_prepare (int argc, char *argv[])
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{
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temp_fd = create_temp_file ("utime", &testfile);
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TEST_VERIFY_EXIT (temp_fd > 0);
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testlink = xasprintf ("%s-symlink", testfile);
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xsymlink (testfile, testlink);
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add_temp_file (testlink);
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}
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static int
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do_test (void)
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{
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if (sizeof (time_t) == 8 && !support_path_support_time64 (testfile))
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FAIL_UNSUPPORTED ("File %s does not support 64-bit timestamps",
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testfile);
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bool y2106 = support_path_support_time64_value (testfile,
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0x100000001LL,
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0x100000002LL);
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for (int i = 0; i < array_length (tests); i++)
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{
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/* Check if we run on port with 32 bit time_t size. */
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time_t t;
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if (__builtin_add_overflow (tests[i].v1, 0, &t)
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|| __builtin_add_overflow (tests[i].v2, 0, &t))
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{
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printf ("warning: skipping tests[%d] { %" PRIx64 ", %" PRIx64 " }: "
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"time_t overflows\n", i, tests[i].v1, tests[i].v2);
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continue;
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}
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if (tests[i].v1 >= 0x100000000LL && !y2106)
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{
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printf ("warning: skipping tests[%d] { %" PRIx64 ", %" PRIx64 " }: "
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"unsupported timestamp value\n",
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i, tests[i].v1, tests[i].v2);
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continue;
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}
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TEST_CALL (testfile, temp_fd, testlink, tests[i].v1, tests[i].v2);
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}
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return 0;
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}
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#include <support/test-driver.c>
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