1 files changed, 88 insertions, 0 deletions
diff --git a/REORG.TODO/wcsmbs/wcsncpy.c b/REORG.TODO/wcsmbs/wcsncpy.c
new file mode 100644
index 0000000000..27bfb0d0da
--- /dev/null
+++ b/REORG.TODO/wcsmbs/wcsncpy.c
@@ -0,0 +1,88 @@
+/* Copyright (C) 1995-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
+
+   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 <wchar.h>
+
+#ifdef WCSNCPY
+# define __wcsncpy WCSNCPY
+#endif
+
+/* Copy no more than N wide-characters of SRC to DEST.	*/
+wchar_t *
+__wcsncpy (wchar_t *dest, const wchar_t *src, size_t n)
+{
+  wint_t c;
+  wchar_t *const s = dest;
+
+  --dest;
+
+  if (n >= 4)
+    {
+      size_t n4 = n >> 2;
+
+      for (;;)
+	{
+	  c = *src++;
+	  *++dest = c;
+	  if (c == L'\0')
+	    break;
+	  c = *src++;
+	  *++dest = c;
+	  if (c == L'\0')
+	    break;
+	  c = *src++;
+	  *++dest = c;
+	  if (c == L'\0')
+	    break;
+	  c = *src++;
+	  *++dest = c;
+	  if (c == L'\0')
+	    break;
+	  if (--n4 == 0)
+	    goto last_chars;
+	}
+      n = n - (dest - s) - 1;
+      if (n == 0)
+	return s;
+      goto zero_fill;
+    }
+
+ last_chars:
+  n &= 3;
+  if (n == 0)
+    return s;
+
+  do
+    {
+      c = *src++;
+      *++dest = c;
+      if (--n == 0)
+	return s;
+    }
+  while (c != L'\0');
+
+ zero_fill:
+  do
+    *++dest = L'\0';
+  while (--n > 0);
+
+  return s;
+}
+#ifndef WCSNCPY
+weak_alias (__wcsncpy, wcsncpy)
+#endif