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* [glibc/azanella/y2038] io: Add basic tests for utimensat
@ 2021-03-02 12:32 Adhemerval Zanella
0 siblings, 0 replies; 5+ messages in thread
From: Adhemerval Zanella @ 2021-03-02 12:32 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=31cbdf158312b6aee60ced0c2a7f426b9cde0b68
commit 31cbdf158312b6aee60ced0c2a7f426b9cde0b68
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 1 13:53:11 2021 -0300
io: Add basic tests for utimensat
Checked on x86_64-linux-gnu and i686-linux-gnu
Diff:
---
io/Makefile | 2 +-
io/tst-utimensat.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 116 insertions(+), 1 deletion(-)
diff --git a/io/Makefile b/io/Makefile
index b7bebe923f..59d36e8782 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -68,7 +68,7 @@ tests := test-utime test-stat test-stat2 test-lfs tst-getcwd \
tst-fts tst-fts-lfs tst-open-tmpfile \
tst-copy_file_range tst-getcwd-abspath tst-lockf \
tst-ftw-lnk tst-file_change_detection tst-lchmod \
- tst-ftw-bz26353
+ tst-ftw-bz26353 tst-utimensat
# Likewise for statx, but we do not need static linking here.
tests-internal += tst-statx
diff --git a/io/tst-utimensat.c b/io/tst-utimensat.c
new file mode 100644
index 0000000000..b62e409e07
--- /dev/null
+++ b/io/tst-utimensat.c
@@ -0,0 +1,115 @@
+/* utimensat basic tests.
+ 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 <fcntl.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <support/check.h>
+#include <support/support.h>
+#include <support/temp_file.h>
+#include <support/xunistd.h>
+
+#ifndef struct_stat
+# define struct_stat struct stat64
+#endif
+
+static int temp_fd = -1;
+static char *testfile;
+static char *testlink;
+
+/* struct timeval array with Y2038 threshold minus 2 and 1 seconds. */
+const static struct timespec t1[2] = { { 0x7FFFFFFE, 0 },
+ { 0x7FFFFFFF, 0 } };
+
+/* struct timeval array with Y2038 threshold plus 1 and 2 seconds. */
+const static struct timespec t2[2] = { { 0x80000001ULL, 0 },
+ { 0x80000002ULL, 0 } };
+
+/* struct timeval array around Y2038 threshold. */
+const static struct timespec t3[2] = { { 0x7FFFFFFE, 0 },
+ { 0x80000002ULL, 0 } };
+
+static void
+do_prepare (int argc, char *argv[])
+{
+ temp_fd = create_temp_file ("tst-utimensat", &testfile);
+ TEST_VERIFY_EXIT (temp_fd > 0);
+
+ testlink = xasprintf ("%s-symlink", testfile);
+ xsymlink (testfile, testlink);
+ add_temp_file (testlink);
+}
+#define PREPARE do_prepare
+
+static void
+test_utimensat_helper (const struct timespec ts[2])
+{
+ /* Check if we run on port with 32 bit time_t size */
+ {
+ time_t t;
+ if (__builtin_add_overflow (ts->tv_sec, 0, &t))
+ return;
+ }
+
+ {
+ TEST_VERIFY_EXIT (utimensat (temp_fd, testfile, ts, 0) == 0);
+
+ struct_stat st;
+ 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);
+ }
+
+ {
+ struct_stat stfile_orig;
+ xlstat (testfile, &stfile_orig);
+
+ TEST_VERIFY_EXIT (utimensat (0 /* ignored */, testlink, ts,
+ AT_SYMLINK_NOFOLLOW)
+ == 0);
+ struct_stat stlink;
+ xlstat (testlink, &stlink);
+
+ TEST_COMPARE (stlink.st_atime, ts[0].tv_sec);
+ TEST_COMPARE (stlink.st_mtime, ts[1].tv_sec);
+
+ /* Check if the timestamp from original file is not changed. */
+ struct_stat stfile;
+ xlstat (testfile, &stfile);
+
+ TEST_COMPARE (stfile_orig.st_atime, stfile.st_atime);
+ TEST_COMPARE (stfile_orig.st_mtime, stfile.st_mtime);
+ }
+}
+
+static int
+do_test (void)
+{
+ test_utimensat_helper (t1);
+ test_utimensat_helper (t2);
+ test_utimensat_helper (t3);
+
+ return 0;
+}
+
+#include <support/test-driver.c>
^ permalink raw reply [flat|nested] 5+ messages in thread
* [glibc/azanella/y2038] io: Add basic tests for utimensat
@ 2021-03-05 19:18 Adhemerval Zanella
0 siblings, 0 replies; 5+ messages in thread
From: Adhemerval Zanella @ 2021-03-05 19:18 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4b7549d9bbedd2bb9961bc0f278a34e194766246
commit 4b7549d9bbedd2bb9961bc0f278a34e194766246
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 1 13:53:11 2021 -0300
io: Add basic tests for utimensat
Checked on x86_64-linux-gnu and i686-linux-gnu
Diff:
---
io/Makefile | 2 +-
io/tst-utimensat.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 116 insertions(+), 1 deletion(-)
diff --git a/io/Makefile b/io/Makefile
index b7bebe923f..59d36e8782 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -68,7 +68,7 @@ tests := test-utime test-stat test-stat2 test-lfs tst-getcwd \
tst-fts tst-fts-lfs tst-open-tmpfile \
tst-copy_file_range tst-getcwd-abspath tst-lockf \
tst-ftw-lnk tst-file_change_detection tst-lchmod \
- tst-ftw-bz26353
+ tst-ftw-bz26353 tst-utimensat
# Likewise for statx, but we do not need static linking here.
tests-internal += tst-statx
diff --git a/io/tst-utimensat.c b/io/tst-utimensat.c
new file mode 100644
index 0000000000..b62e409e07
--- /dev/null
+++ b/io/tst-utimensat.c
@@ -0,0 +1,115 @@
+/* utimensat basic tests.
+ 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 <fcntl.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <support/check.h>
+#include <support/support.h>
+#include <support/temp_file.h>
+#include <support/xunistd.h>
+
+#ifndef struct_stat
+# define struct_stat struct stat64
+#endif
+
+static int temp_fd = -1;
+static char *testfile;
+static char *testlink;
+
+/* struct timeval array with Y2038 threshold minus 2 and 1 seconds. */
+const static struct timespec t1[2] = { { 0x7FFFFFFE, 0 },
+ { 0x7FFFFFFF, 0 } };
+
+/* struct timeval array with Y2038 threshold plus 1 and 2 seconds. */
+const static struct timespec t2[2] = { { 0x80000001ULL, 0 },
+ { 0x80000002ULL, 0 } };
+
+/* struct timeval array around Y2038 threshold. */
+const static struct timespec t3[2] = { { 0x7FFFFFFE, 0 },
+ { 0x80000002ULL, 0 } };
+
+static void
+do_prepare (int argc, char *argv[])
+{
+ temp_fd = create_temp_file ("tst-utimensat", &testfile);
+ TEST_VERIFY_EXIT (temp_fd > 0);
+
+ testlink = xasprintf ("%s-symlink", testfile);
+ xsymlink (testfile, testlink);
+ add_temp_file (testlink);
+}
+#define PREPARE do_prepare
+
+static void
+test_utimensat_helper (const struct timespec ts[2])
+{
+ /* Check if we run on port with 32 bit time_t size */
+ {
+ time_t t;
+ if (__builtin_add_overflow (ts->tv_sec, 0, &t))
+ return;
+ }
+
+ {
+ TEST_VERIFY_EXIT (utimensat (temp_fd, testfile, ts, 0) == 0);
+
+ struct_stat st;
+ 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);
+ }
+
+ {
+ struct_stat stfile_orig;
+ xlstat (testfile, &stfile_orig);
+
+ TEST_VERIFY_EXIT (utimensat (0 /* ignored */, testlink, ts,
+ AT_SYMLINK_NOFOLLOW)
+ == 0);
+ struct_stat stlink;
+ xlstat (testlink, &stlink);
+
+ TEST_COMPARE (stlink.st_atime, ts[0].tv_sec);
+ TEST_COMPARE (stlink.st_mtime, ts[1].tv_sec);
+
+ /* Check if the timestamp from original file is not changed. */
+ struct_stat stfile;
+ xlstat (testfile, &stfile);
+
+ TEST_COMPARE (stfile_orig.st_atime, stfile.st_atime);
+ TEST_COMPARE (stfile_orig.st_mtime, stfile.st_mtime);
+ }
+}
+
+static int
+do_test (void)
+{
+ test_utimensat_helper (t1);
+ test_utimensat_helper (t2);
+ test_utimensat_helper (t3);
+
+ return 0;
+}
+
+#include <support/test-driver.c>
^ permalink raw reply [flat|nested] 5+ messages in thread
* [glibc/azanella/y2038] io: Add basic tests for utimensat
@ 2021-03-04 17:38 Adhemerval Zanella
0 siblings, 0 replies; 5+ messages in thread
From: Adhemerval Zanella @ 2021-03-04 17:38 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=52d083e1e44344e2062bb35a4bcba2322f5730c0
commit 52d083e1e44344e2062bb35a4bcba2322f5730c0
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 1 13:53:11 2021 -0300
io: Add basic tests for utimensat
Checked on x86_64-linux-gnu and i686-linux-gnu
Diff:
---
io/Makefile | 2 +-
io/tst-utimensat.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 116 insertions(+), 1 deletion(-)
diff --git a/io/Makefile b/io/Makefile
index b7bebe923f..59d36e8782 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -68,7 +68,7 @@ tests := test-utime test-stat test-stat2 test-lfs tst-getcwd \
tst-fts tst-fts-lfs tst-open-tmpfile \
tst-copy_file_range tst-getcwd-abspath tst-lockf \
tst-ftw-lnk tst-file_change_detection tst-lchmod \
- tst-ftw-bz26353
+ tst-ftw-bz26353 tst-utimensat
# Likewise for statx, but we do not need static linking here.
tests-internal += tst-statx
diff --git a/io/tst-utimensat.c b/io/tst-utimensat.c
new file mode 100644
index 0000000000..b62e409e07
--- /dev/null
+++ b/io/tst-utimensat.c
@@ -0,0 +1,115 @@
+/* utimensat basic tests.
+ 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 <fcntl.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <support/check.h>
+#include <support/support.h>
+#include <support/temp_file.h>
+#include <support/xunistd.h>
+
+#ifndef struct_stat
+# define struct_stat struct stat64
+#endif
+
+static int temp_fd = -1;
+static char *testfile;
+static char *testlink;
+
+/* struct timeval array with Y2038 threshold minus 2 and 1 seconds. */
+const static struct timespec t1[2] = { { 0x7FFFFFFE, 0 },
+ { 0x7FFFFFFF, 0 } };
+
+/* struct timeval array with Y2038 threshold plus 1 and 2 seconds. */
+const static struct timespec t2[2] = { { 0x80000001ULL, 0 },
+ { 0x80000002ULL, 0 } };
+
+/* struct timeval array around Y2038 threshold. */
+const static struct timespec t3[2] = { { 0x7FFFFFFE, 0 },
+ { 0x80000002ULL, 0 } };
+
+static void
+do_prepare (int argc, char *argv[])
+{
+ temp_fd = create_temp_file ("tst-utimensat", &testfile);
+ TEST_VERIFY_EXIT (temp_fd > 0);
+
+ testlink = xasprintf ("%s-symlink", testfile);
+ xsymlink (testfile, testlink);
+ add_temp_file (testlink);
+}
+#define PREPARE do_prepare
+
+static void
+test_utimensat_helper (const struct timespec ts[2])
+{
+ /* Check if we run on port with 32 bit time_t size */
+ {
+ time_t t;
+ if (__builtin_add_overflow (ts->tv_sec, 0, &t))
+ return;
+ }
+
+ {
+ TEST_VERIFY_EXIT (utimensat (temp_fd, testfile, ts, 0) == 0);
+
+ struct_stat st;
+ 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);
+ }
+
+ {
+ struct_stat stfile_orig;
+ xlstat (testfile, &stfile_orig);
+
+ TEST_VERIFY_EXIT (utimensat (0 /* ignored */, testlink, ts,
+ AT_SYMLINK_NOFOLLOW)
+ == 0);
+ struct_stat stlink;
+ xlstat (testlink, &stlink);
+
+ TEST_COMPARE (stlink.st_atime, ts[0].tv_sec);
+ TEST_COMPARE (stlink.st_mtime, ts[1].tv_sec);
+
+ /* Check if the timestamp from original file is not changed. */
+ struct_stat stfile;
+ xlstat (testfile, &stfile);
+
+ TEST_COMPARE (stfile_orig.st_atime, stfile.st_atime);
+ TEST_COMPARE (stfile_orig.st_mtime, stfile.st_mtime);
+ }
+}
+
+static int
+do_test (void)
+{
+ test_utimensat_helper (t1);
+ test_utimensat_helper (t2);
+ test_utimensat_helper (t3);
+
+ return 0;
+}
+
+#include <support/test-driver.c>
^ permalink raw reply [flat|nested] 5+ messages in thread
* [glibc/azanella/y2038] io: Add basic tests for utimensat
@ 2021-03-04 11:30 Adhemerval Zanella
0 siblings, 0 replies; 5+ messages in thread
From: Adhemerval Zanella @ 2021-03-04 11:30 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=52d083e1e44344e2062bb35a4bcba2322f5730c0
commit 52d083e1e44344e2062bb35a4bcba2322f5730c0
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 1 13:53:11 2021 -0300
io: Add basic tests for utimensat
Checked on x86_64-linux-gnu and i686-linux-gnu
Diff:
---
io/Makefile | 2 +-
io/tst-utimensat.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 116 insertions(+), 1 deletion(-)
diff --git a/io/Makefile b/io/Makefile
index b7bebe923f..59d36e8782 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -68,7 +68,7 @@ tests := test-utime test-stat test-stat2 test-lfs tst-getcwd \
tst-fts tst-fts-lfs tst-open-tmpfile \
tst-copy_file_range tst-getcwd-abspath tst-lockf \
tst-ftw-lnk tst-file_change_detection tst-lchmod \
- tst-ftw-bz26353
+ tst-ftw-bz26353 tst-utimensat
# Likewise for statx, but we do not need static linking here.
tests-internal += tst-statx
diff --git a/io/tst-utimensat.c b/io/tst-utimensat.c
new file mode 100644
index 0000000000..b62e409e07
--- /dev/null
+++ b/io/tst-utimensat.c
@@ -0,0 +1,115 @@
+/* utimensat basic tests.
+ 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 <fcntl.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <support/check.h>
+#include <support/support.h>
+#include <support/temp_file.h>
+#include <support/xunistd.h>
+
+#ifndef struct_stat
+# define struct_stat struct stat64
+#endif
+
+static int temp_fd = -1;
+static char *testfile;
+static char *testlink;
+
+/* struct timeval array with Y2038 threshold minus 2 and 1 seconds. */
+const static struct timespec t1[2] = { { 0x7FFFFFFE, 0 },
+ { 0x7FFFFFFF, 0 } };
+
+/* struct timeval array with Y2038 threshold plus 1 and 2 seconds. */
+const static struct timespec t2[2] = { { 0x80000001ULL, 0 },
+ { 0x80000002ULL, 0 } };
+
+/* struct timeval array around Y2038 threshold. */
+const static struct timespec t3[2] = { { 0x7FFFFFFE, 0 },
+ { 0x80000002ULL, 0 } };
+
+static void
+do_prepare (int argc, char *argv[])
+{
+ temp_fd = create_temp_file ("tst-utimensat", &testfile);
+ TEST_VERIFY_EXIT (temp_fd > 0);
+
+ testlink = xasprintf ("%s-symlink", testfile);
+ xsymlink (testfile, testlink);
+ add_temp_file (testlink);
+}
+#define PREPARE do_prepare
+
+static void
+test_utimensat_helper (const struct timespec ts[2])
+{
+ /* Check if we run on port with 32 bit time_t size */
+ {
+ time_t t;
+ if (__builtin_add_overflow (ts->tv_sec, 0, &t))
+ return;
+ }
+
+ {
+ TEST_VERIFY_EXIT (utimensat (temp_fd, testfile, ts, 0) == 0);
+
+ struct_stat st;
+ 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);
+ }
+
+ {
+ struct_stat stfile_orig;
+ xlstat (testfile, &stfile_orig);
+
+ TEST_VERIFY_EXIT (utimensat (0 /* ignored */, testlink, ts,
+ AT_SYMLINK_NOFOLLOW)
+ == 0);
+ struct_stat stlink;
+ xlstat (testlink, &stlink);
+
+ TEST_COMPARE (stlink.st_atime, ts[0].tv_sec);
+ TEST_COMPARE (stlink.st_mtime, ts[1].tv_sec);
+
+ /* Check if the timestamp from original file is not changed. */
+ struct_stat stfile;
+ xlstat (testfile, &stfile);
+
+ TEST_COMPARE (stfile_orig.st_atime, stfile.st_atime);
+ TEST_COMPARE (stfile_orig.st_mtime, stfile.st_mtime);
+ }
+}
+
+static int
+do_test (void)
+{
+ test_utimensat_helper (t1);
+ test_utimensat_helper (t2);
+ test_utimensat_helper (t3);
+
+ return 0;
+}
+
+#include <support/test-driver.c>
^ permalink raw reply [flat|nested] 5+ messages in thread
* [glibc/azanella/y2038] io: Add basic tests for utimensat
@ 2021-03-01 17:37 Adhemerval Zanella
0 siblings, 0 replies; 5+ messages in thread
From: Adhemerval Zanella @ 2021-03-01 17:37 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=efc80a795efdaf48289274a75d3ee52243c0482a
commit efc80a795efdaf48289274a75d3ee52243c0482a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 1 13:53:11 2021 -0300
io: Add basic tests for utimensat
Checked on x86_64-linux-gnu and i686-linux-gnu
Diff:
---
io/Makefile | 2 +-
io/tst-utimensat.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 116 insertions(+), 1 deletion(-)
diff --git a/io/Makefile b/io/Makefile
index b7bebe923f..59d36e8782 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -68,7 +68,7 @@ tests := test-utime test-stat test-stat2 test-lfs tst-getcwd \
tst-fts tst-fts-lfs tst-open-tmpfile \
tst-copy_file_range tst-getcwd-abspath tst-lockf \
tst-ftw-lnk tst-file_change_detection tst-lchmod \
- tst-ftw-bz26353
+ tst-ftw-bz26353 tst-utimensat
# Likewise for statx, but we do not need static linking here.
tests-internal += tst-statx
diff --git a/io/tst-utimensat.c b/io/tst-utimensat.c
new file mode 100644
index 0000000000..b62e409e07
--- /dev/null
+++ b/io/tst-utimensat.c
@@ -0,0 +1,115 @@
+/* utimensat basic tests.
+ 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 <fcntl.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <support/check.h>
+#include <support/support.h>
+#include <support/temp_file.h>
+#include <support/xunistd.h>
+
+#ifndef struct_stat
+# define struct_stat struct stat64
+#endif
+
+static int temp_fd = -1;
+static char *testfile;
+static char *testlink;
+
+/* struct timeval array with Y2038 threshold minus 2 and 1 seconds. */
+const static struct timespec t1[2] = { { 0x7FFFFFFE, 0 },
+ { 0x7FFFFFFF, 0 } };
+
+/* struct timeval array with Y2038 threshold plus 1 and 2 seconds. */
+const static struct timespec t2[2] = { { 0x80000001ULL, 0 },
+ { 0x80000002ULL, 0 } };
+
+/* struct timeval array around Y2038 threshold. */
+const static struct timespec t3[2] = { { 0x7FFFFFFE, 0 },
+ { 0x80000002ULL, 0 } };
+
+static void
+do_prepare (int argc, char *argv[])
+{
+ temp_fd = create_temp_file ("tst-utimensat", &testfile);
+ TEST_VERIFY_EXIT (temp_fd > 0);
+
+ testlink = xasprintf ("%s-symlink", testfile);
+ xsymlink (testfile, testlink);
+ add_temp_file (testlink);
+}
+#define PREPARE do_prepare
+
+static void
+test_utimensat_helper (const struct timespec ts[2])
+{
+ /* Check if we run on port with 32 bit time_t size */
+ {
+ time_t t;
+ if (__builtin_add_overflow (ts->tv_sec, 0, &t))
+ return;
+ }
+
+ {
+ TEST_VERIFY_EXIT (utimensat (temp_fd, testfile, ts, 0) == 0);
+
+ struct_stat st;
+ 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);
+ }
+
+ {
+ struct_stat stfile_orig;
+ xlstat (testfile, &stfile_orig);
+
+ TEST_VERIFY_EXIT (utimensat (0 /* ignored */, testlink, ts,
+ AT_SYMLINK_NOFOLLOW)
+ == 0);
+ struct_stat stlink;
+ xlstat (testlink, &stlink);
+
+ TEST_COMPARE (stlink.st_atime, ts[0].tv_sec);
+ TEST_COMPARE (stlink.st_mtime, ts[1].tv_sec);
+
+ /* Check if the timestamp from original file is not changed. */
+ struct_stat stfile;
+ xlstat (testfile, &stfile);
+
+ TEST_COMPARE (stfile_orig.st_atime, stfile.st_atime);
+ TEST_COMPARE (stfile_orig.st_mtime, stfile.st_mtime);
+ }
+}
+
+static int
+do_test (void)
+{
+ test_utimensat_helper (t1);
+ test_utimensat_helper (t2);
+ test_utimensat_helper (t3);
+
+ return 0;
+}
+
+#include <support/test-driver.c>
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2021-03-02 12:32 [glibc/azanella/y2038] io: Add basic tests for utimensat Adhemerval Zanella
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