RtlStringCchCatExW

NTSTATUS __stdcall RtlStringCchCatExW(
        WCHAR *pszDest,
        UINT64 cchDest,
        WCHAR *pszSrc,
        WCHAR **ppszDestEnd,
        UINT64 *pcchRemaining,
        UINT64 dwFlags){
  int v7; 
  const wchar_t *v9; 
  size_t v11; 
  __int64 pcchLength; 

  v7 = 0;
  pcchLength = 0i64;
  if( cchDest - 1 > 0x7FFFFFFE )
    v7 = -1073741811;
  if( v7 >= 0 )
  {
    v7 = RtlStringLengthWorkerW(pszDest, cchDest, (size_t *)&pcchLength);
    if( v7 >= 0 )
    {
      v7 = 0;
      if( cchDest - pcchLength <= 1 )
      {
        if( !*v9 )
          return v7;
        v7 = pszDest != 0i64 ? -2147483643 : -1073741811;
      }
      else
      {
        v7 = RtlStringCopyWorkerW(
               (_DWORD)pszDest + 2 * pcchLength,
               cchDest - pcchLength,
               (size_t *)&pcchLength,
               v9,
               v11);
        if( v7 >= 0 )
          return v7;
      }
      if( cchDest && (cchDest & 0x7FFFFFFFFFFFFFFFi64) != 0 )
        *pszDest = 0;
    }
  }
  return v7;
}

Referenced by: