PnpAllocateMultiSZ

__int64 __fastcall PnpAllocateMultiSZ(VOID *Src, __int64 a2, __int64 a3, _QWORD *a4){
  int MultiSzLength; 
  UINT64 v7; 
  VOID **PoolWithTag; 
  __int64 v9; 
  __int64 v10; 
  UINT64 pullResult; 
  UINT64 ullMultiplicand; 

  ullMultiplicand = 0i64;
  pullResult = 0i64;
  MultiSzLength = 0;
  *a4 = 0i64;
  if( Src )
  {
    MultiSzLength = PnpGetMultiSzLength((__int64)Src, a2, &ullMultiplicand);
    if( MultiSzLength >= 0 )
    {
      v7 = ullMultiplicand;
      if( ullMultiplicand > 2 )
      {
        MultiSzLength = RtlULongLongMult(ullMultiplicand, 2ui64, &pullResult);
        if( MultiSzLength >= 0 )
        {
          PoolWithTag = ExAllocatePoolWithTag(1ui64, pullResult, 1466986064i64);
          *a4 = PoolWithTag;
          if( PoolWithTag )
          {
            memmove(PoolWithTag, Src, pullResult);
            v9 = 2 * v7;
            v10 = 2i64;
            do
            {
              v9 -= 2i64;
              *(_WORD *)(v9 + *a4) = 0;
              --v10;
            }
            while( v10 );
          }
          else
          {
            return(unsigned int)-1073741670;
          }
        }
      }
    }
  }
  return(unsigned int)MultiSzLength;
}

Referenced by: