From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/14630 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Rich Felker Newsgroups: gmane.linux.lib.musl.general Subject: Re: printf doesn't respect locale Date: Mon, 9 Sep 2019 13:55:56 -0400 Message-ID: <20190909175556.GP9017@brightrain.aerifal.cx> References: <20190909165100.GH22009@port70.net> Reply-To: musl@lists.openwall.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="260916"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mutt/1.5.21 (2010-09-15) To: musl@lists.openwall.com Original-X-From: musl-return-14646-gllmg-musl=m.gmane.org@lists.openwall.com Mon Sep 09 19:56:10 2019 Return-path: Envelope-to: gllmg-musl@m.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by blaine.gmane.org with smtp (Exim 4.89) (envelope-from ) id 1i7Nta-0015ot-Mr for gllmg-musl@m.gmane.org; Mon, 09 Sep 2019 19:56:10 +0200 Original-Received: (qmail 15930 invoked by uid 550); 9 Sep 2019 17:56:08 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Original-Received: (qmail 15912 invoked from network); 9 Sep 2019 17:56:08 -0000 Content-Disposition: inline In-Reply-To: <20190909165100.GH22009@port70.net> Original-Sender: Rich Felker Xref: news.gmane.org gmane.linux.lib.musl.general:14630 Archived-At: On Mon, Sep 09, 2019 at 06:51:00PM +0200, Szabolcs Nagy wrote: > * Daniel Schoepe [2019-09-09 17:31:01 +0100]: > > I think I found a discrepancy between musl's behavior and the POSIX standard: > > > > According to the POSIX standard, the decimal separator used when using > > printf to print floating point numbers should come from the locale > > (https://pubs.opengroup.org/onlinepubs/9699919799/functions/fprintf.html): > > > > "The radix character is defined in the current locale (category > > LC_NUMERIC). In the POSIX locale, or in a locale where the radix > > character is not defined, the radix character shall default to a > > ( '.' )." > > > > However, it seems that in musl, a period is always used for printing > > floating point numbers. For example, the following program prints > > "12.0" instead of "12,0" (which is printed when using GNU libc): > > musl is posix conform. > > it just only supports LC_NUMERIC locales where the radix > character is a period. > > if you see a musl based system where LC_NUMERIC is defined > otherwise then report the issue to the integrator or > distributor of that system. I don't understand what that would mean. musl's locale definition system simply has no way to represent different radix point characters, so there cant' be such an integration/distribution. Rich