GNU bug report logs - #29189
25.3; Dired does not work with binary filenames

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Message #56 received at 29189 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Kenichi Handa <handa <at> gnu.org>
Cc: vianchielfaura <at> gmail.com, 29189 <at> debbugs.gnu.org
Subject: Re: bug#29189: 25.3; Dired does not work with binary filenames
Date: Fri, 24 Nov 2017 10:52:19 +0200

Ping!  Kenichi, any comments on this issue or the proposed patch?

> Date: Mon, 20 Nov 2017 20:15:55 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: vianchielfaura <at> gmail.com, 29189 <at> debbugs.gnu.org
> 
> > From: Andreas Schwab <schwab <at> suse.de>
> > Cc: Kenichi Handa <handa <at> gnu.org>,  vianchielfaura <at> gmail.com,  29189 <at> debbugs.gnu.org
> > Date: Mon, 20 Nov 2017 10:48:09 +0100
> > 
> > > +	      /* Copy raw bytes in their 2-byte forms as single characters.  */
> > > +	      if (CHAR_BYTE8_HEAD_P (*src) && nbytes > 0)
> > > +		{
> > > +		  c = STRING_CHAR_ADVANCE (src);
> > 
> > CHAR_BYTE8_HEAD_P and STRING_CHAR_ADVANCE are only valid for multibyte
> > strings.  I don't think it makes sense to use them for unibyte strings.
> 
> Right you are, thanks.  Updated patch below.
> 
> diff --git a/src/coding.c b/src/coding.c
> index d790ad0..ac55f87 100644
> --- a/src/coding.c
> +++ b/src/coding.c
> @@ -7423,10 +7423,23 @@ decode_coding (struct coding_system *coding)
>  
>  	  while (nbytes-- > 0)
>  	    {
> -	      int c = *src++;
> +	      int c;
>  
> -	      if (c & 0x80)
> -		c = BYTE8_TO_CHAR (c);
> +	      /* Copy raw bytes in their 2-byte forms from multibyte
> +		 text as single characters.  */
> +	      if (coding->src_multibyte
> +		  && CHAR_BYTE8_HEAD_P (*src) && nbytes > 0)
> +		{
> +		  c = STRING_CHAR_ADVANCE (src);
> +		  nbytes--;
> +		}
> +	      else
> +		{
> +		  c = *src++;
> +
> +		  if (c & 0x80)
> +		    c = BYTE8_TO_CHAR (c);
> +		}
>  	      coding->charbuf[coding->charbuf_used++] = c;
>  	    }
>  	  produce_chars (coding, Qnil, 1);
> 
> 
> 
> 

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