// 
// sub_180003D30 from 0x180003d30 to 0x180003d8f (95 bytes)
// 
// 55 xrefs:
// > int `std::_Locinfo::_Locinfo @ 0x18002048b
// > sub_180020490 @ 0x18002049b
// > int `std::_Locinfo::_Locinfo @ 0x1800204ab
// > sub_1800204B0 @ 0x1800204bb
// > int `Concurrency::agent::agent @ 0x1800204cb
// > int `std::_Locinfo::_Locinfo @ 0x1800204db
// > int `std::_Locinfo::_Locinfo @ 0x1800204eb
// > sub_1800204F0 @ 0x1800204fb
// > sub_180020500 @ 0x18002050e
// > sub_180020560 @ 0x180020567
// > int `std::time_put<char,std::ostreambuf_iterator<char,std::char_traits<char>>>::do_put @ 0x180020577
// > int `_wcstombs_l_helper @ 0x180020583
// > int `__acrt_get_current_directory<__crt_win32_buffer_internal_dynamic_resizing> @ 0x1800205a7
// > unknown_libname_1 @ 0x1800205c7
// > unknown_libname_2 @ 0x1800205d3
// > unknown_libname_3 @ 0x1800205df
// > unknown_libname_4 @ 0x180020707
// > sub_180020730 @ 0x180020737
// > sub_180020760 @ 0x180020767
// > int `std::_Locinfo::_Locinfo @ 0x180020c37
// > int `std::_Locinfo::_Locinfo @ 0x180020c47
// > sub_180020C50 @ 0x180020c57
// > int `std::num_put<char,std::ostreambuf_iterator<char,std::char_traits<char>>>::do_put @ 0x180020c63
// > int `std::num_put<char,std::ostreambuf_iterator<char,std::char_traits<char>>>::do_put @ 0x180020c6f
// > sub_180020F5E @ 0x180020f6c
// > sub_180020F80 @ 0x180020f8b
// > int `std::num_put<char,std::ostreambuf_iterator<char,std::char_traits<char>>>::do_put @ 0x180020f97
// > int `std::num_put<char,std::ostreambuf_iterator<char,std::char_traits<char>>>::do_put @ 0x180020fa3
// > sub_180020FA8 @ 0x180020faf
// > sub_180021020 @ 0x180021027
// > sub_1800210B1 @ 0x1800210bf
// > sub_1800210C4 @ 0x1800210d2
// > sub_1800210D7 @ 0x1800210e5
// > sub_18002110E @ 0x180021119
// > sub_18002112E @ 0x180021139
// > sub_1800211D0 @ 0x1800211d7
// > sub_1800211DC @ 0x1800211f7
// > <???> @ 0x18002cebf
// > <???> @ 0x18002cfb3
// > <???> @ 0x18002cfb9
// > <???> @ 0x18002d083
// > <???> @ 0x18002d15f
// > <???> @ 0x18002d165
// > <???> @ 0x18002d6d3
// > <???> @ 0x18002d737
// > <???> @ 0x18002d773
// > <???> @ 0x18002e7bf
// > <???> @ 0x18002e7c5
// > <???> @ 0x18002e7cb
// > <???> @ 0x18002f4ef
// > <???> @ 0x18002f4f5
// > <???> @ 0x18002f4fb
// > <???> @ 0x18002f5fb
// > <???> @ 0x18002fafc
// > <???> @ 0x180049348
// 
// This function is hookable on this platform!
// 
// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA
// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings
// 

void __fastcall sub_180003D30(__int64 a1)
{
  unsigned __int64 v1; // rdx
  _QWORD *v3; // rcx

  v1 = *(_QWORD *)(a1 + 24);
  if ( v1 > 0xF )
  {
    v3 = *(_QWORD **)a1;
    if ( v1 + 1 >= 0x1000 )
    {
      if ( (unsigned __int64)v3 - *(v3 - 1) - 8 > 0x1F )
        invalid_parameter_noinfo_noreturn();
      v3 = (_QWORD *)*(v3 - 1);
    }
    j_j_free(v3);
  }
  *(_QWORD *)(a1 + 16) = 0;
  *(_QWORD *)(a1 + 24) = 15;
  *(_BYTE *)a1 = 0;
}