[PATCH v3] ntoskrnl.exe: Implement IoGetDeviceProperty for DevicePropertyPhysicalDeviceObjectName

Aric Stewart aric at codeweavers.com
Fri Jan 29 08:31:48 CST 2016


On 1/29/16 8:29 AM, Alexandre Julliard wrote:
> Aric Stewart <aric at codeweavers.com> writes:
> 
>> +        case DevicePropertyPhysicalDeviceObjectName:
>> +        {
>> +            ULONG used_len;
>> +            OBJECT_NAME_INFORMATION *name = HeapAlloc(GetProcessHeap(), 0, buffer_length + (sizeof(OBJECT_NAME_INFORMATION)));
>> +
>> +            status = NtQueryObject(device->Reserved, ObjectNameInformation, name, buffer_length + sizeof(OBJECT_NAME_INFORMATION), &used_len);
>> +            if (status == STATUS_SUCCESS)
>> +            {
>> +                memcpy(property_buffer, name->Name.Buffer, name->Name.Length);
>> +                *result_length = name->Name.Length;
>> +            }
>> +            else
>> +                *result_length = 0;
> 
> Length is still not correct if the buffer is too small, and the string
> needs to be null-terminated.
> 

Sorry you are correct I am trying to focus on too many divergent things at once and my brain has stated to turn to mush.

-aric



More information about the wine-devel mailing list