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Re: built-in printf %f parameter format depend on LC_NUMERIC

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  Re: built-in printf %f parameter format depend on LC_NUMERIC Dennis Clarke <dclarke@blastwave.org> - 2019-07-12 20:47 -0400

#15157 — Re: built-in printf %f parameter format depend on LC_NUMERIC

On 7/12/19 4:45 PM, Chet Ramey wrote:
> On 7/12/19 4:26 PM, Martijn Dekker wrote:
>> Op 12-07-19 om 21:46 schreef Dennis Clarke:
>>> Well the man page for XPG6 bc in Solaris 10 claims :
>>>
>>> ENVIRONMENT VARIABLES
>>>        See environ(5) for descriptions of the following environment
>>>        variables  that  affect  the  execution of bc: LANG, LC_ALL,
>>>        LC_CTYPE, LC_MESSAGES, and NLSPATH.
>>>
>>> Really?
>>
>> Note the absence of LC_NUMERIC in that paragraph.
> 
> Yeah, but LC_ALL overrides LC_NUMERIC anyway.
> 

Maybe.

     setlocale ( LC_ALL, "" );

Undoes all that in a jiffy.

I just cracked open the sources to XPG6/XPG4 dc which is the backend to
  bc and guess what ?


/*
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
  * Common Development and Distribution License, Version 1.0 only
  * (the "License").  You may not use this file except in compliance
  * with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
  * See the License for the specific language governing permissions
  * and limitations under the License.
  *
  * When distributing Covered Code, include this CDDL HEADER in each
  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  * If applicable, add the following below this CDDL HEADER, with the
  * fields enclosed by brackets "[]" replaced with your own identifying
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
/*
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

.
.
.

int
main(int argc, char **argv)
{
         (void) setlocale(LC_ALL, "");
         (void) textdomain(TEXT_DOMAIN);

         init(argc, argv);
         commnds();
         /* NOTREACHED */
}

.
.
.



So there you see it in all its glory.


-- 
Dennis Clarke
RISC-V/SPARC/PPC/ARM/CISC
UNIX and Linux spoken
GreyBeard and suspenders optional

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