1 files changed, 51 insertions, 0 deletions
diff --git a/REORG.TODO/debug/fread_u_chk.c b/REORG.TODO/debug/fread_u_chk.c
new file mode 100644
index 0000000000..f546a53561
--- /dev/null
+++ b/REORG.TODO/debug/fread_u_chk.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 1993-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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/>.
+
+   As a special exception, if you link the code in this file with
+   files compiled with a GNU compiler to produce an executable,
+   that does not cause the resulting executable to be covered by
+   the GNU Lesser General Public License.  This exception does not
+   however invalidate any other reasons why the executable file
+   might be covered by the GNU Lesser General Public License.
+   This exception applies to code released by its copyright holders
+   in files containing the exception.  */
+
+#include "libioP.h"
+#include <stdio.h>
+
+size_t
+__fread_unlocked_chk (void *__restrict ptr, size_t ptrlen,
+		      size_t size, size_t n, FILE *__restrict stream)
+{
+  size_t bytes_requested = size * n;
+  if (__builtin_expect ((n | size)
+			>= (((size_t) 1) << (8 * sizeof (size_t) / 2)), 0))
+    {
+      if (size != 0 && bytes_requested / size != n)
+	__chk_fail ();
+    }
+
+  if (__glibc_unlikely (bytes_requested > ptrlen))
+    __chk_fail ();
+
+  CHECK_FILE (stream, 0);
+  if (bytes_requested == 0)
+    return 0;
+
+  size_t bytes_read = _IO_sgetn (stream, (char *) ptr, bytes_requested);
+  return bytes_requested == bytes_read ? n : bytes_read / size;
+}