1 files changed, 65 insertions, 0 deletions
diff --git a/REORG.TODO/wcsmbs/wmemchr.c b/REORG.TODO/wcsmbs/wmemchr.c
new file mode 100644
index 0000000000..2a80f91d52
--- /dev/null
+++ b/REORG.TODO/wcsmbs/wmemchr.c
@@ -0,0 +1,65 @@
+/* Copyright (C) 1996-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
+
+   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 WMEMCHR
+# define __wmemchr WMEMCHR
+#endif
+
+wchar_t *
+__wmemchr (const wchar_t *s, wchar_t c, size_t n)
+{
+  /* For performance reasons unfold the loop four times.  */
+  while (n >= 4)
+    {
+      if (s[0] == c)
+	return (wchar_t *) s;
+      if (s[1] == c)
+	return (wchar_t *) &s[1];
+      if (s[2] == c)
+	return (wchar_t *) &s[2];
+      if (s[3] == c)
+	return (wchar_t *) &s[3];
+      s += 4;
+      n -= 4;
+    }
+
+  if (n > 0)
+    {
+      if (*s == c)
+	return (wchar_t *) s;
+      ++s;
+      --n;
+    }
+  if (n > 0)
+    {
+      if (*s == c)
+	return (wchar_t *) s;
+      ++s;
+      --n;
+    }
+  if (n > 0)
+    if (*s == c)
+      return (wchar_t *) s;
+
+  return NULL;
+}
+libc_hidden_def (__wmemchr)
+weak_alias (__wmemchr, wmemchr)
+libc_hidden_weak (wmemchr)