port-i386/43680: acpibat(4) should strip invalid characters

[Jukka Ruohonen <jruohonen%iki.fi@localhost>]

>Number:         43680
>Category:       port-i386
>Synopsis:       acpibat(4) should strip invalid characters
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    port-i386-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jul 28 11:05:00 +0000 2010
>Originator:     Jukka Ruohonen
>Release:        NetBSD 5.1_RC2
>Organization:
-
>Environment:

>Description:

It seems that the strings coming from ACPI may contain all kinds of garbage.
From the dmesg of David H. Gutteridge's LG X110:

[...]
acpiec0 at acpi0 (EC, PNP0C09): io 0x62,0x66
acpiacad0 at acpi0 (ADP1, ACPI0003): ACPI AC Adapter
acpibat0 at acpi0 (BAT1, PNP0C0A-1): ACPI Battery
acpibat0: MSI Corp.
 LION
 rechargeable battery 
acpibat0: model number MS-N021
, serial number 
    
acpibat0: granularity: low->warn 0.001 Ah, warn->full 0.001 Ah
acpilid0 at acpi0 (LID0, PNP0C0D): ACPI Lid Switch
[...]

>How-To-Repeat:

...

>Fix:

If someone has a system like this, please do some pretty printing.
Maybe add a small utility function for this to acpi_util.c.