Il 27/06/2013 15:46, Aharon Robbins ha scritto:
>> Date: Thu, 27 Jun 2013 15:27:40 +0200
>> From: Paolo Bonzini <bonz...@gnu.org>
>> Subject: Re: locale specific ordering in EN_US -- why is a<A<b<B<y<Y<z<Z?
>>
>> Right now only gawk is different from the others, and not in a very
>> clean manner:
>>
>> #ifndef GAWK
>> /* Defer to the system regex library about the meaning
>> of range expressions. */
>> regex_t re;
>> char pattern[6] = { '[', 0, '-', 0, ']', 0 };
>> char subject[2] = { 0, 0 };
>> c1 = c;
>> if (case_fold)
>> {
>> c1 = tolower (c1);
>> c2 = tolower (c2);
>> }
>>
>> pattern[1] = c1;
>> pattern[3] = c2;
>> regcomp (&re, pattern, REG_NOSUB);
>> for (c = 0; c < NOTCHAR; ++c)
>> {
>> if ((case_fold && isupper (c))
>> || (MB_CUR_MAX > 1 && btowc (c) == WEOF))
>> continue;
>> subject[0] = c;
>> if (regexec (&re, subject, 0, NULL, 0) != REG_NOMATCH)
>> setbit_case_fold_c (c, ccl);
>> }
>> regfree (&re);
>> #else
>> c1 = c;
>> if (case_fold)
>> {
>> c1 = tolower (c1);
>> c2 = tolower (c2);
>> }
>> for (c = c1; c <= c2; c++)
>> setbit_case_fold_c (c, ccl);
>> #endif
>>
>> I would suggest distros to rip out the #else part of this #ifndef.
>
> And I wouldn't, but as I have no control over the distros, I'm
> not going to worry about it.
>
> All I know is that with the non-gawk case, gawk fails its test suite,
> and I've given up discussing it.
You've also never tried understanding why you cannot "just do it"
without fixing glibc.
Paolo
