linux-kernel - Re: [RFC PATCH 3/3] nls: Replace default nls table by correct iso8859-1 table

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Message-ID: <87v8leu4iy.fsf@mail.parknet.co.jp>
Date:   Tue, 10 Jan 2023 18:23:33 +0900
From:   OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:     Pali Rohár <pali@...nel.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jan Kara <jack@...e.cz>,
        Alexander Viro <viro@...iv.linux.org.uk>
Subject: Re: [RFC PATCH 3/3] nls: Replace default nls table by correct
 iso8859-1 table

Pali Rohár <pali@...nel.org> writes:

[...]

> -static struct nls_table default_table = {
> -	.charset	= "default",
> +static struct nls_table iso8859_1_table = {
> +	.charset	= "iso8859-1",
>  	.uni2char	= uni2char,
>  	.char2uni	= char2uni,
>  	.charset2lower	= charset2lower,
>  	.charset2upper	= charset2upper,
>  };

iocharset=default was gone with this (user visible) change? (nobody
notice it though)

> -/* Returns a simple default translation table */
> +/* Returns a default translation table */
>  struct nls_table *load_nls_default(void)
>  {
>  	struct nls_table *default_nls;
> @@ -537,9 +419,22 @@ struct nls_table *load_nls_default(void)
>  	if (default_nls != NULL)
>  		return default_nls;
>  	else
> -		return &default_table;
> +		return &iso8859_1_table;
> +}
> +
> +static int __init init_nls(void)
> +{
> +	return register_nls(&iso8859_1_table);
>  }
>  
> +static void __exit exit_nls(void)
> +{
> +	unregister_nls(&iso8859_1_table);
> +}
> +
> +module_init(init_nls)
> +module_exit(exit_nls)

[...]

Do we need to merge nls_iso8859-1.c to nls_base.c?

	obj-$(CONFIG_NLS)		+= nls_iso8859-1.o nls_base.o

Something like this (untested), maybe cleaner.

Thanks.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>