scoped_unprotect::scoped_unprotect(byte_range region)
: _region(region)
{
byte *page = reinterpret_cast<byte *>(reinterpret_cast<size_t>(region.begin()) & ~static_cast<size_t>(0x0FFF));
size_t full_length = region.length() + (region.begin() - page);
_region = byte_range(page, full_length);
if (mprotect(_region.begin(), _region.length(), PROT_EXEC | PROT_READ | PROT_WRITE))
throw std::runtime_error("Cannot change protection mode!");
}
void GetDeviceRegistryProperty(
const sp_devinfo_data &DeviceInfoData,
spdrp Property,
registry::data_id_type &PropertyRegDataType,
const byte_range &Buffer,
dword_t &RequiredSize) const
{
exception::scope_last_error ScopeLastError;
CBEAR_BERLIOS_DE_WINDOWS_FUNCTION(
Char, ::SetupDiGetDeviceRegistryProperty)(
this->internal(),
const_cast<sp_devinfo_data::value_t *>(
&DeviceInfoData.get()),
Property.internal(),
&PropertyRegDataType.get(),
Buffer.begin(),
(dword_t)Buffer.size(),
&RequiredSize);
}
