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Re: Updating syslog(3), syslogd(8) to support RFC-5424
Am 19.03.11 12:40, schrieb David Laight:
> On Sat, Mar 19, 2011 at 09:41:15AM +0100, Marc Balmer wrote:
>> I agree that syslog should just log what it gets and not fiddle to much
>> with it. fwiw, removing the "c &= 0177" is not enough, since some UTF-8
>> characters trigger the "iscntrl()" path. E.g. the latin small letter a
>> with diaeresis is 0xc3 0xa4 and iscntrl() returns true for 0xc3. So the
>> whole loop needs to be a bit rearranged.
> Except that you'd need a CBU (crystal ball unit) to determine whether
> anything further down the line would treat a value 0x80-0x9f as a
> control char or part of a UTF-8 sequence.
Yes, it's a mess, that is why I left it as is. NetBSD 6 will have a
more modern syslog, but I am sure it will have it's own set of problems.
> UTF-8 should not have been allowed.
After all it's a transport format only. And I think it is the best we
have for Unicode support in NetBSD. Since the database (PostgreSQL)
and the GUI (OpenMotif) use UTF-8, my apps do so to. On a side note,
NetBSD is a nice platform for multilingual applications.
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