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X-HELO:	calimero.vinschen.de
Date:	Mon, 8 Feb 2016 13:37:39 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: cygwin 2.4.1: broken ps_AF and ps_AF.utf8 locales
Message-ID:	<20160208123739.GA12975@calimero.vinschen.de>
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References:	<20160202043247 DOT GP31193 AT mars DOT tony DOT develop-help DOT com>
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On Feb  2 15:32, Tony Cook wrote:
> Hi list,
>=20
> Simplified to a C program below, calls to sprintf() under the ps_AF
> and ps_AF.utf8 locales are returning a value that doesn't match the
> length of the formatted string:
>=20
> tony AT phobos ~
> $ cat ps_AF.c
> #include <stdio.h>
> #include <locale.h>
> #include <string.h>
>=20
> int main(int argc, char **argv) {
>   char buf[100];
>   char *loc =3D argc > 1 ? argv[1] : "ps_AF";
>   const char *real_loc;
>   if (!(real_loc =3D setlocale(LC_NUMERIC, loc))) {
>     perror("setlocale");
>     return 1;
>   }
>   printf("locale %s\n", real_loc);
>   size_t len =3D sprintf(buf, "%g", 2.34);
>   printf("len %zu\n", len);
>   printf("strlen %zu\n", strlen(buf));
>=20
>   return 0;
> }

Thanks for the testcase.

> (and the decimal point under ps_AF on Linux is multi-byte, character
> 0x66b or ARABIC DECIMAL SEPARATOR.)

As on Cygwin.  The problem was that Newlib's printf function didn't take
multibyte decimal points into account when computing the field size for
the output.  I fixed that in the git repo.


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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