pmt: initial 3.0.2 update

include/libgnulib/wcsnlen-impl.h

@@ -0,0 +1,26 @@
+/* Determine the length of a size-bounded wide string.
+   Copyright (C) 1999, 2011-2024 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 1999.
+
+   This file 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 3 of the
+   License, or (at your option) any later version.
+
+   This file 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 this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+size_t
+wcsnlen (const wchar_t *s, size_t maxlen)
+{
+  const wchar_t *ptr;
+
+  for (ptr = s; maxlen > 0 && *ptr != (wchar_t)'\0'; ptr++, maxlen--)
+    ;
+  return ptr - s;
+}