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not work for non-ASCII characters]
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From: srittau <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: isalpha()/toupper() functions do not work for non-ASCII characters
X-Reportbug-Version: 0.54
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Date: Sun, 07 May 2000 18:04:03 +0200
Message-Id: <[EMAIL PROTECTED]>
Package: libc6
Version: 2.1.3-10
Severity: normal
The is*() and toupper()/tolower() functions do not work on non-ASCII
characters, even if LC_CTYPE etc. are set to the correct language used:
-----------------------------------------------------------------------
[EMAIL PROTECTED]:~$ locale
LANG=de_DE
LC_CTYPE="de_DE"
LC_NUMERIC="de_DE"
LC_TIME="de_DE"
LC_COLLATE="de_DE"
LC_MONETARY="de_DE"
LC_MESSAGES="de_DE"
LC_ALL=
[EMAIL PROTECTED]:~$ cat try.c
#include <ctype.h>
#include <stdio.h>
int main()
{
int c = '�';
printf("%c: %d\n", c, isprint(c));
return 0;
}
[EMAIL PROTECTED]:~$ gcc try.c -o try -Wall
[EMAIL PROTECTED]:~$ ./try
�: 0
[EMAIL PROTECTED]:~$
-----------------------------------------------------------------------
� is a valid printing character, especially in the german language
(LANG=de_DE).
-- System Information
Debian Release: 2.2
Architecture: i386
Kernel: Linux moby 2.3.99-pre3 #1 Son Apr 2 11:15:37 CEST 2000 i686
Versions of packages libc6 depends on:
ii ldso 1.9.11-8 The Linux dynamic linker, library
---------------------------------------
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id 12orhp-0007aa-00; Mon, 08 May 2000 13:52:33 -0400
Date: Mon, 8 May 2000 13:52:33 -0400
From: Daniel Jacobowitz <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: [EMAIL PROTECTED]: Bug#63717: isalpha()/toupper() functions do not
work for non-ASCII characters]
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Saving Joel the work...
----- Forwarded message from Antti-Juhani Kaijanaho <[EMAIL PROTECTED]> -----
Date: Mon, 8 May 2000 10:32:46 +0300
From: Antti-Juhani Kaijanaho <[EMAIL PROTECTED]>
Subject: Bug#63717: isalpha()/toupper() functions do not work for non-ASCII
characters
To: srittau <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
Reply-To: Antti-Juhani Kaijanaho <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
On Sun, May 07, 2000 at 06:04:03PM +0200, srittau wrote:
> The is*() and toupper()/tolower() functions do not work on non-ASCII
> characters, even if LC_CTYPE etc. are set to the correct language used:
Yes they do.
> [EMAIL PROTECTED]:~$ locale
> LANG=de_DE
> LC_CTYPE="de_DE"
> LC_NUMERIC="de_DE"
> LC_TIME="de_DE"
> LC_COLLATE="de_DE"
> LC_MONETARY="de_DE"
> LC_MESSAGES="de_DE"
> LC_ALL=
> [EMAIL PROTECTED]:~$ cat try.c
> #include <ctype.h>
> #include <stdio.h>
>
> int main()
> {
> int c = '�';
> printf("%c: %d\n", c, isprint(c));
>
> return 0;
> }
> [EMAIL PROTECTED]:~$ gcc try.c -o try -Wall
> [EMAIL PROTECTED]:~$ ./try
> �: 0
> [EMAIL PROTECTED]:~$
This is expected behaviour. In the absence of a "setlocale" call the
program's locale is C. To use the locale settings from the environment,
call setlocale(LC_ALL, ""). Observe:
$ locale
LANG=fi_FI
LC_CTYPE="fi_FI"
LC_NUMERIC="fi_FI"
LC_TIME="fi_FI"
LC_COLLATE="fi_FI"
LC_MONETARY="fi_FI"
LC_MESSAGES="fi_FI"
LC_ALL=
$ cat try-orig.c
#include <ctype.h>
#include <stdio.h>
int main()
{
int c = '�';
printf("%c: %d\n", c, isprint(c));
return 0;
}
$ gcc try-orig.c -o try-orig -Wall
$ ./try-orig
�: 0
$ cat try.c
#include <ctype.h>
#include <locale.h>
#include <stdio.h>
int main()
{
int c = '�';
setlocale(LC_ALL, "");
printf("%c: %d\n", c, isprint(c));
return 0;
}
$ gcc try.c -o try -Wall
$ ./try
�: 16384
$
This behaviour is (AFAIK) described in the ISO C standards, and in the
setlocale(3) manual page.
To the maintainer: you may close this bug.
--
%%% Antti-Juhani Kaijanaho % [EMAIL PROTECTED] % http://www.iki.fi/gaia/ %%%
I'm moving IRL on May 2, 2000.
New contact information on the home page
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Dan
/--------------------------------\ /--------------------------------\
| Daniel Jacobowitz |__| SCS Class of 2002 |
| Debian GNU/Linux Developer __ Carnegie Mellon University |
| [EMAIL PROTECTED] | | [EMAIL PROTECTED] |
\--------------------------------/ \--------------------------------/
