1 files changed, 33 insertions, 0 deletions
diff --git a/lib/unistr/u-cpy.h b/lib/unistr/u-cpy.h
new file mode 100644
index 0000000..8ee3c83
--- /dev/null
+++ b/lib/unistr/u-cpy.h
@@ -0,0 +1,33 @@
+/* Copy piece of UTF-8/UTF-16/UTF-32 string.
+   Copyright (C) 1999, 2002, 2006, 2009-2023 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2002.
+
+   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 2.1 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/>.  */
+
+#include <string.h>
+
+UNIT *
+FUNC (UNIT *dest, const UNIT *src, size_t n)
+{
+#if 0
+  UNIT *destptr = dest;
+
+  for (; n > 0; n--)
+    *destptr++ = *src++;
+#else
+  if (n > 0)
+    memcpy ((char *) dest, (const char *) src, n * sizeof (UNIT));
+#endif
+  return dest;
+}