ArmPkg/Library/CompilerIntrinsicsLib/memset_ms.c

   1 //------------------------------------------------------------------------------
   2 //
   3 // Copyright (c) 2017, Pete Batard. All rights reserved.<BR>
   4 // Copyright (c) 2021, Arm Limited. All rights reserved.<BR>
   5 //
   6 // SPDX-License-Identifier: BSD-2-Clause-Patent
   7 //
   8 //------------------------------------------------------------------------------
   9
  10 #if defined(_M_ARM64)
  11 typedef unsigned __int64  size_t;
  12 #else
  13 typedef unsigned __int32  size_t;
  14 #endif
  15
  16 void* memset(void *, int, size_t);
  17 #pragma intrinsic(memset)
  18 #pragma function(memset)
  19 void *memset(void *s, int c, size_t n)
  20 {
  21   unsigned char *d = s;
  22
  23   while (n-- != 0) {
  24     *d++ = (unsigned char)c;
  25   }
  26
  27   return s;
  28 }