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From: Andreas Schwab <schwab@suse.de>
To: fweimer@redhat.com (Florian Weimer)
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH] iconv: Avoid writable data and relocations in IBM charsets
Date: Wed, 26 Oct 2016 09:23:00 -0000	[thread overview]
Message-ID: <mvm60ofjwgc.fsf@hawking.suse.de> (raw)
In-Reply-To: <20161026091538.A7628439942E0@oldenburg.str.redhat.com> (Florian Weimer's message of "Wed, 26 Oct 2016 11:15:38 +0200")

On Okt 26 2016, fweimer@redhat.com (Florian Weimer) wrote:

> The IBM930, IBM933, IBM935 and IBM939 converters defined lookup
> tables which were not constant.  They also contained an
> unnecessary pointer indirection.
>
> 2016-10-26  Florian Weimer  <fweimer@redhat.com>
>
> 	* iconvdata/ibm930.h (__ucs4_to_ibm930sb): Switch from writable
> 	array of string pointers to constant array of two-character
> 	arrays.
> 	* iconvdata/ibm933.h (__ucs4_to_ibm933sb): Likewise.
> 	* iconvdata/ibm935.h (__ucs4_to_ibm935sb): Likewise.
> 	* iconvdata/ibm939.h (__ucs4_to_ibm939sb): Likewise.
>
> diff --git a/iconvdata/ibm930.h b/iconvdata/ibm930.h
> index 1afda56..1f2d87d 100644
> --- a/iconvdata/ibm930.h
> +++ b/iconvdata/ibm930.h
> @@ -1499,7 +1499,7 @@ static const struct gap __ucs4_to_ibm930sb_idx[] =
>    { .start = 0xffff, .end = 0xffff, .idx =      0 }
>  };
>  
> -static const char * __ucs4_to_ibm930sb[] =
> +static const char __ucs4_to_ibm930sb[][2] =

I think you can even make that [1].

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

  reply	other threads:[~2016-10-26  9:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-26  9:15 Florian Weimer
2016-10-26  9:23 ` Andreas Schwab [this message]
2016-10-26 10:00   ` Florian Weimer
2016-10-26 10:21     ` Andreas Schwab

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