char *__fastcall sub_5EAC(__int64 a1, char *src, unsigned __int64 count)
{
  unsigned __int64 v6; // rbp

  if ( !count ) /*0x5ec9*/
    return dst; /*0x5ecb*/
  v6 = count - 1; /*0x5ee2*/
  if ( count - 1 > -1 - (__int64)dst ) /*0x5ee9*/
    sub_5450( /*0x5efe*/
      (__int64)"e:\\hs\\MdePkg\\Library\\BaseMemoryLibRepStr\\CopyMemWrapper.c",
      56,
      (__int64)"(Length - 1) <= (0xFFFFFFFFFFFFFFFFULL - (UINTN)DestinationBuffer)");
  if ( v6 > ~(unsigned __int64)src ) /*0x5f0c*/
    sub_5450( /*0x5f21*/
      (__int64)"e:\\hs\\MdePkg\\Library\\BaseMemoryLibRepStr\\CopyMemWrapper.c",
      57,
      (__int64)"(Length - 1) <= (0xFFFFFFFFFFFFFFFFULL - (UINTN)SourceBuffer)");
  if ( dst == src ) /*0x5f29*/
    return dst; /*0x5f2b*/
  else
    return sub_350(dst, src, count); /*0x5f39*/
}