1 files changed, 87 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/tst-utime.c b/sysdeps/unix/sysv/linux/tst-utime.c
new file mode 100644
index 0000000000..6735421657
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tst-utime.c
@@ -0,0 +1,87 @@
+/* Test for utime.
+   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 <sys/types.h>
+#include <utime.h>
+#include <support/check.h>
+#include <support/xunistd.h>
+#include <support/temp_file.h>
+
+static int temp_fd = -1;
+char *testfile;
+
+/* struct utimbuf with Y2038 threshold minus 2 and 1 seconds.  */
+const static struct utimbuf t1 = { 0x7FFFFFFE, 0x7FFFFFFF };
+
+/* struct utimbuf with Y2038 threshold plus 1 and 2 seconds.  */
+const static struct utimbuf t2 = { 0x80000001ULL, 0x80000002ULL };
+
+/* struct utimbuf around Y2038 threshold.  */
+const static struct utimbuf t3 = { 0x7FFFFFFE, 0x80000002ULL };
+
+#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
+test_utime_helper (const struct utimbuf *ut)
+{
+  struct stat64 st;
+  int result;
+  time_t t;
+
+  /* Check if we run on port with 32 bit time_t size */
+  if (__builtin_add_overflow (ut->actime, 0, &t))
+    {
+      printf("time_t overflow!");
+      return 0;
+    }
+
+  result = utime (testfile, ut);
+  TEST_VERIFY_EXIT (result == 0);
+
+  xfstat (temp_fd, &st);
+
+  /* Check if seconds for actime match */
+  TEST_COMPARE (st.st_atime, ut->actime);
+
+  /* Check if seconds for modtime match */
+  TEST_COMPARE (st.st_mtime, ut->modtime);
+
+  return 0;
+}
+
+static int
+do_test (void)
+{
+  test_utime_helper (&t1);
+  test_utime_helper (&t2);
+  test_utime_helper (&t3);
+
+  return 0;
+}
+
+#include <support/test-driver.c>