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-rw-r--r--posix/test-ssize-max.c39
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+/* Test SSIZE_MAX value and type.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <limits.h>
+#include <sys/types.h>
+
+/* Test SSIZE_MAX has type ssize_t.  */
+ssize_t x;
+extern __typeof (SSIZE_MAX) x;
+
+/* Test the value of SSIZE_MAX.  */
+_Static_assert (SSIZE_MAX == (sizeof (ssize_t) == sizeof (int)
+			      ? INT_MAX
+			      : LONG_MAX),
+		"value of SSIZE_MAX");
+
+static int
+do_test (void)
+{
+  /* This is a compilation test.  */
+  return 0;
+}
+
+#include <support/test-driver.c>