H. Peter Anvin wrote:
> On 01/08/2010 04:09 PM, Masami Hiramatsu wrote:
>> Hi Michal,
>>
>> Michal Marek wrote:
>>> Setting LC_CTYPE=C breaks localized messages in some setups. With only
>>> LC_COLLATE=C and LC_NUMERIC=C, we get almost all we need, except for not
>>> so defined character classes and tolower()/toupper(). The former is not
>>> a big issue, because we can assume that e.g. [:alpha:] will always
>>> include a-zA-Z and we only ever process ASCII input. The latter seems
>>> only affect arch/sh/tools/gen-mach-types, which we can handle separately.
>>
>> Hmm, this also affects arch/x/tools/gen-insn-attr-x86.awk.
>> Could you also wrap it?
>>
>
> This is tolower/toupper()? Do there exist locales where tolower/toupper
> on ASCII input do weird things, or are we merely hypothesizing?
Ah, sorry, I was just hypothesizing.
---
#!/bin/sh
# en_US locale sorts alphabets as AaBb...
LANG=en_US
LC_ALL=
LC_COLLATE=C
LC_NUMERIC=C
export LC_COLLATE LC_NUMERIC
awk 'BEGIN{if (match("C","[a-z]")) {print "NG"} else {print "OK"} exit;}'
---
this returns "OK". So, the patch is OK for me too.
Thanks,
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division
e-mail: mhiramat@xxxxxxxxxx
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