PnpGetGenericStorePropertyKeys

signed int __fastcall PnpGetGenericStorePropertyKeys(
        __int64 a1,
        char *a2,
        const wchar_t *a3,
        char a4,
        __int64 a5,
        unsigned int a6,
        unsigned int *a7){
  char v7; 
  const wchar_t *v8; 
  char *v9; 
  signed int result; 
  unsigned int i; 
  int v13; 
  __int64 v14; 
  unsigned int v15; 
  int v16; 
  __int64 v17; 
  __int64 v18; 
  ULONG v19; 
  int v20; 
  bool v21; 
  int v22; 
  __int64 v23; 
  __int64 v24; 
  __int64 v25; 
  unsigned int v27; 
  int v28; 
  ULONG Value; 
  HANDLE Handle; 
  HANDLE v31; 
  HANDLE KeyHandle; 
  size_t pcchLength; 
  const wchar_t *v34; 
  struct _UNICODE_STRING DestinationString; 
  __int64 v36; 
  GUID Guid; 
  WCHAR v38[16]; 
  WCHAR SourceString[40]; 
  char v40[176]; 
  v7 = 0;
  v34 = a3;
  v8 = a3;
  *a7 = 0;
  v9 = a2;
  v36 = a5;
  KeyHandle = 0i64;
  v31 = 0i64;
  Handle = 0i64;
  v28 = 0;
  Value = 0;
  Guid = 0i64;
  DestinationString = 0i64;
  if( !a3 || (result = RtlUnalignedStringCchLengthW(a3, 0x55ui64, &pcchLength), result >= 0) )
  {
    result = PnpOpenPropertiesKey(a1, v9, 0i64, 9u, 0, v25, &KeyHandle);
    if( result == -1073741772 )
      return 0;
    if( result >= 0 )
    {
      for( i = 0; ; i = pcchLength )
      {
        while( 1 )
        {
          do
          {
            v27 = 39;
            v13 = RegRtlEnumKey(KeyHandle, i++, (char *)SourceString, &v27);
            LODWORD(pcchLength) = i;
          }
          while( v13 == -1073741789 );
          if( v13 )
          {
            ZwClose(KeyHandle);
            return a6 < *a7 ? 0xC0000023 : 0;
          }
          if( (int)RtlInitUnicodeStringEx(&DestinationString, SourceString) >= 0
            && RtlGUIDFromString(&DestinationString, &Guid) >= 0 )
          {
            v14 = 0i64;
            if( a1 )
              v14 = *(_QWORD *)(a1 + 224);
            if( (int)SysCtxRegOpenKey(v14, (char *)KeyHandle, SourceString, 0, 9u, &v31) >= 0 )
              break;
          }
        }
        v15 = 0;
        while( 1 )
        {
          do
          {
            v27 = 9;
            v16 = RegRtlEnumKey(v31, v15++, (char *)v38, &v27);
          }
          while( v16 == -1073741789 );
          if( v16 )
            break;
          if( (int)RtlInitUnicodeStringEx(&DestinationString, v38) >= 0
            && RtlUnicodeStringToInteger(&DestinationString, 0x10ui64, (UINT64 *)&Value) >= 0 )
          {
            v17 = 0i64;
            if( a1 )
              v17 = *(_QWORD *)(a1 + 224);
            if( (int)SysCtxRegOpenKey(v17, (char *)v31, v38, 0, 1u, &Handle) >= 0 )
            {
              if( a4 )
              {
                v19 = 0;
                do
                {
                  v27 = 85;
                  v20 = PnpCtxRegEnumValue(v18, Handle, v19++, v40, &v27, (__int64)&v28, 0i64, 0i64);
                }
                while( v20 == -1073741789 );
                v8 = v34;
                v21 = v20 == 0;
              }
              else
              {
                v27 = 0;
                v22 = RegRtlQueryValue(Handle, v8, &v28, 0i64, (__int64)&v27);
                if( !v22 )
                  goto LABEL_31;
                v21 = v22 == -1073741789;
              }
              if( v21 )
LABEL_31:
                v7 = 1;
              ZwClose(Handle);
              v21 = v7 == 0;
              v7 = 0;
              if( !v21 )
              {
                v23 = *a7;
                if( (unsigned int)v23 < a6 )
                {
                  v24 = v36;
                  *(GUID *)(v36 + 20 * v23) = Guid;
                  *(_DWORD *)(v24 + 20i64 * *a7 + 16) = Value;
                  LODWORD(v23) = *a7;
                }
                *a7 = v23 + 1;
                v7 = 0;
              }
            }
          }
        }
        ZwClose(v31);
      }
    }
  }
  return result;
}

Referenced by: