NTSTATUS NTAPI CompBattGetBatteries ( IN PCOMPBATT_DEVICE_EXTENSION DeviceExtension )

Definition at line 244 of file comppnp.c.

{
    PWCHAR p;
    NTSTATUS Status;
    PWCHAR LinkList;
    UNICODE_STRING LinkString;
    if (CompBattDebug & 1) DbgPrint("CompBatt: ENTERING GetBatteries\n");
    
    /* Get all battery links */
    Status = IoGetDeviceInterfaces(&GUID_DEVICE_BATTERY, NULL, 0, &LinkList);
    p = LinkList;
    if (NT_SUCCESS(Status))
    {
        /* Loop all strings inside */
        while (TRUE)
        {
            /* Create the string */
            RtlInitUnicodeString(&LinkString, p);
            if (!LinkString.Length) break;
            
            /* Add this battery and move on */
            Status = CompBattAddNewBattery(&LinkString, DeviceExtension);
            p += (LinkString.Length / sizeof(WCHAR)) + sizeof(UNICODE_NULL);
        }
      
        /* Parsing complete, clean up buffer */
        ExFreePool(LinkList);
    }
    else if (CompBattDebug & 8)
    {
        /* Fail */
        DbgPrint("CompBatt: Couldn't get list of batteries\n");
    }
    
    /* Done */
    if (CompBattDebug & 1) DbgPrint("CompBatt: EXITING GetBatteries\n");
    return Status;
}

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