libiberty/mempcpy.c

   1 /* Implement the mempcpy function.
   2    Copyright (C) 2003-2019 Free Software Foundation, Inc.
   3    Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
   4
   5 This file is part of the libiberty library.
   6 Libiberty is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU Library General Public
   8 License as published by the Free Software Foundation; either
   9 version 2 of the License, or (at your option) any later version.
  10
  11 Libiberty is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 Library General Public License for more details.
  15
  16 You should have received a copy of the GNU Library General Public
  17 License along with libiberty; see the file COPYING.LIB.  If
  18 not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  19 Boston, MA 02110-1301, USA.  */
  20
  21 /*
  22
  23 @deftypefn Supplemental void* mempcpy (void *@var{out}, const void *@var{in}, @
  24   size_t @var{length})
  25
  26 Copies @var{length} bytes from memory region @var{in} to region
  27 @var{out}.  Returns a pointer to @var{out} + @var{length}.
  28
  29 @end deftypefn
  30
  31 */
  32
  33 #include <ansidecl.h>
  34 #include <stddef.h>
  35
  36 extern PTR memcpy (PTR, const PTR, size_t);
  37
  38 PTR
  39 mempcpy (PTR dst, const PTR src, size_t len)
  40 {
  41   return (char *) memcpy (dst, src, len) + len;
  42 }