Date: Sat, 3 Nov 2001 16:49:33 +0200 From: Peter Pentchev <roam@ringlet.net> To: Giorgos Keramidas <charon@labs.gr> Cc: Dag-Erling Smorgrav <des@ofug.org>, Joe Abley <jabley@automagic.org>, arch@FreeBSD.ORG Subject: Re: POSIX character class support for 1Tawk Message-ID: <20011103164933.E3551@straylight.oblivion.bg> In-Reply-To: <20011103143515.D4464@hades.hell.gr>; from charon@labs.gr on Sat, Nov 03, 2001 at 02:35:15PM %2B0000 References: <xzpu1wca91d.fsf@flood.ping.uio.no> <20011102233831.L25226@buffoon.automagic.org> <xzphesca0xv.fsf@flood.ping.uio.no> <20011103012226.Q25226@buffoon.automagic.org> <xzpvggse5j4.fsf@flood.ping.uio.no> <20011103145608.B76275@straylight.oblivion.bg> <20011103143515.D4464@hades.hell.gr>
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On Sat, Nov 03, 2001 at 02:35:15PM +0000, Giorgos Keramidas wrote: > On Sat, Nov 03, 2001 at 02:56:08PM +0200, Peter Pentchev wrote: > > On Sat, Nov 03, 2001 at 07:23:59AM +0100, Dag-Erling Smorgrav wrote: > > > Joe Abley <jabley@automagic.org> writes: > > > > Our isalpha() and friends are locale-sensitive, I think. > > > > > > Only if the caller has previously called setlocale(). > > > > So what's the problem in calling setlocale(LC_ALL, "") > > early in main() or something, as so many other utilities in > > our base system already do? > > Unfortunately enough, it's not that simple. You'd have to check for > all the possible LC_xxx environment variables. The small program > below shows what can happen if you use setlocale() with NULL instead > of the correct value. [snip] > $ env LC_LANG=el_GR LC_ALL=el_GR.ISO8859-7 ./blah > Using NULL: false > Using getenv(): true > > In the second case, of having the proper locale setup in the > environment, only when getenv() is used to retrieve the proper value > for setlocale() the GREEK_ALPHA character is recognized from isalpha() :/ Well, I implicitly assumed that LC_ALL was set, as by the FreeBSD sample 'russian' login.conf entry: it defines the 'lang' attribute, which sets LANG, which setlocale(3) interprets as an LC_ALL setting. G'luck, Peter -- Nostalgia ain't what it used to be. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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