// 
// common_getdcwd<wchar_t> from 0x18013becc to 0x18013c033 (359 bytes)
// 
// 2 xrefs:
// > sub_18013C0B4 @ 0x18013c0d1
// > <???> @ 0x18020398c
// 
// 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
// 

_WORD *__fastcall common_getdcwd<wchar_t>(int a1, _WORD *a2, int a3)
{
  __int64 v3; // rsi
  int v5; // ebx
  __int64 v7; // rbx
  _WORD *v8; // [rsp+20h] [rbp-40h] BYREF
  __int64 v9; // [rsp+28h] [rbp-38h]
  void *Block; // [rsp+30h] [rbp-30h]
  __int64 v11; // [rsp+38h] [rbp-28h]
  __int64 v12; // [rsp+40h] [rbp-20h]
  char v13; // [rsp+48h] [rbp-18h]
  __int64 FileName; // [rsp+50h] [rbp-10h] BYREF

  v3 = a3;
  v5 = a1;
  if ( a3 < 0 )
    goto LABEL_2;
  if ( a1 )
  {
    if ( !(unsigned int)validdrive() )
    {
      *_doserrno() = 15;
      *errno() = 13;
      goto LABEL_3;
    }
  }
  else
  {
    v5 = getdrive();
  }
  if ( v5 )
  {
    wcscpy((wchar_t *)&FileName + 1, L":.");
    LOWORD(FileName) = v5 + 64;
  }
  else
  {
    wcscpy((wchar_t *)&FileName, L".");
  }
  if ( a2 )
  {
    if ( (int)v3 <= 0 )
    {
LABEL_2:
      *errno() = 22;
LABEL_3:
      invalid_parameter_noinfo();
      return nullptr;
    }
    *a2 = 0;
    v9 = v3;
    v11 = v3;
    v8 = a2;
    Block = a2;
    v12 = 0;
    v13 = 0;
    if ( (unsigned int)unknown_libname_66((const WCHAR *)&FileName, (__int64)&v8) )
      return nullptr;
    return a2;
  }
  else
  {
    v8 = nullptr;
    v9 = 0;
    v12 = 0;
    Block = j__malloc_base(2 * v3);
    if ( Block )
    {
      v13 = 1;
      v11 = v3;
    }
    else
    {
      v13 = 0;
      v11 = 0;
    }
    if ( (unsigned int)__acrt_get_full_path_name_wide<__crt_win32_buffer_public_dynamic_resizing>(
                         (LPCWSTR)&FileName,
                         (__int64)&v8) )
    {
      if ( v13 )
        free(Block);
      return nullptr;
    }
    v7 = __crt_win32_buffer<wchar_t,__crt_win32_buffer_public_dynamic_resizing>::detach((__int64 *)&v8);
    if ( v13 )
      free(Block);
    return (_WORD *)v7;
  }
}