CryptoPkg/Library/IntrinsicLib/CopyMem.c

   1 /** @file
   2   Intrinsic Memory Routines Wrapper Implementation for OpenSSL-based
   3   Cryptographic Library.
   4
   5 Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
   6 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include <Base.h>
  11 #include <Library/BaseMemoryLib.h>
  12
  13 #if defined (__clang__) && !defined (__APPLE__)
  14
  15 /* Copies bytes between buffers */
  16 static __attribute__ ((__used__))
  17 void *
  18 __memcpy (
  19   void          *dest,
  20   const void    *src,
  21   unsigned int  count
  22   )
  23 {
  24   return CopyMem (dest, src, (UINTN)count);
  25 }
  26
  27 __attribute__ ((__alias__ ("__memcpy")))
  28 void *
  29 memcpy (
  30   void          *dest,
  31   const void    *src,
  32   unsigned int  count
  33   );
  34
  35 #else
  36 /* Copies bytes between buffers */
  37 void *
  38 memcpy (
  39   void          *dest,
  40   const void    *src,
  41   unsigned int  count
  42   )
  43 {
  44   return CopyMem (dest, src, (UINTN)count);
  45 }
  46
  47 #endif