gcc-7.3.0HEADgcc-7.3.0master

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diff --git a/libiberty/mempcpy.c b/libiberty/mempcpy.c
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+++ b/libiberty/mempcpy.c
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+/* Implement the mempcpy function.
+   Copyright (C) 2003-2017 Free Software Foundation, Inc.
+   Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
+
+This file is part of the libiberty library.
+Libiberty is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+Libiberty 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with libiberty; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+/*
+
+@deftypefn Supplemental void* mempcpy (void *@var{out}, const void *@var{in}, @
+  size_t @var{length})
+
+Copies @var{length} bytes from memory region @var{in} to region
+@var{out}.  Returns a pointer to @var{out} + @var{length}.
+
+@end deftypefn
+
+*/
+
+#include <ansidecl.h>
+#include <stddef.h>
+
+extern PTR memcpy (PTR, const PTR, size_t);
+
+PTR
+mempcpy (PTR dst, const PTR src, size_t len)
+{
+  return (char *) memcpy (dst, src, len) + len;
+}