c32iscntrl: New module.

* lib/c32iscntrl.c: New file.
* modules/c32iscntrl: New file.
* doc/posix-functions/iswcntrl.texi: Mention the new module.

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/c32iscntrl.c b/lib/c32iscntrl.c
new file mode 100644
index 0000000000..cad20913a5
--- /dev/null
+++ b/lib/c32iscntrl.c
@@ -0,0 +1,25 @@
+/* Test 32-bit wide character for being a control character.
+   Copyright (C) 2020 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, see <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <uchar.h>
+
+#define FUNC c32iscntrl
+#define WCHAR_FUNC iswcntrl
+#define UCS_FUNC uc_is_cntrl
+#include "c32is-impl.h"