// 
// _wctomb_s_l from 0x180137424 to 0x1801375c0 (412 bytes)
// 
// 4 xrefs:
// > unknown_libname_47 @ 0x18012e370
// > unknown_libname_56 @ 0x18012edc1
// > wctomb_s @ 0x1801375ca
// > <???> @ 0x1802035d8
// 
// 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
// 

errno_t __cdecl wctomb_s_l(int *SizeConverted, char *MbCh, size_t SizeInBytes, wchar_t WCh, _locale_t Locale)
{
  errno_t v9; // ebx
  struct _Mbstatet *v10; // r9
  UINT v11; // ecx
  int v12; // eax
  int v13; // eax
  __int64 v14; // [rsp+40h] [rbp-20h] BYREF
  __int64 v15; // [rsp+48h] [rbp-18h]
  char v16; // [rsp+58h] [rbp-8h]
  __int64 v17; // [rsp+88h] [rbp+28h] BYREF
  WCHAR v18; // [rsp+98h] [rbp+38h] BYREF

  v18 = WCh;
  if ( MbCh || !SizeInBytes )
  {
    if ( SizeConverted )
      *SizeConverted = -1;
    if ( SizeInBytes > 0x7FFFFFFF )
    {
      v9 = 22;
      *errno() = 22;
      invalid_parameter_noinfo();
      return v9;
    }
    _LocaleUpdate::_LocaleUpdate((_LocaleUpdate *)&v14, Locale);
    v11 = *(_DWORD *)(v15 + 12);
    if ( v11 == 65001 )
    {
      v17 = 0;
      v12 = __crt_mbstring::__c32rtomb_utf8((__crt_mbstring *)MbCh, (char *)v18, (char32_t)&v17, v10);
      if ( SizeConverted )
        *SizeConverted = v12;
      if ( v12 > 4 )
      {
        v9 = *errno();
        goto LABEL_21;
      }
      goto LABEL_33;
    }
    if ( !*(_QWORD *)(v15 + 312) )
    {
      if ( v18 > 0xFFu )
      {
        if ( MbCh && SizeInBytes )
          memset(MbCh, 0, SizeInBytes);
        goto LABEL_20;
      }
      if ( !MbCh )
        goto LABEL_27;
      if ( SizeInBytes )
      {
        *MbCh = v18;
LABEL_27:
        if ( SizeConverted )
          *SizeConverted = 1;
LABEL_33:
        v9 = 0;
        goto LABEL_21;
      }
LABEL_38:
      v9 = 34;
      *errno() = 34;
      invalid_parameter_noinfo();
LABEL_21:
      if ( v16 )
        *(_DWORD *)(v14 + 936) &= ~2u;
      return v9;
    }
    LODWORD(v17) = 0;
    v13 = _acrt_WideCharToMultiByte(v11, 0, &v18, 1, MbCh, SizeInBytes, nullptr, (BOOL *)&v17);
    if ( v13 )
    {
      if ( !(_DWORD)v17 )
      {
        if ( SizeConverted )
          *SizeConverted = v13;
        goto LABEL_33;
      }
    }
    else if ( GetLastError() == 122 )
    {
      if ( MbCh && SizeInBytes )
        memset(MbCh, 0, SizeInBytes);
      goto LABEL_38;
    }
LABEL_20:
    v9 = 42;
    *errno() = 42;
    goto LABEL_21;
  }
  if ( SizeConverted )
    *SizeConverted = 0;
  return 0;
}