GNU bug report logs - #9735
win32 emacs cannot load doc string from files which has non-ascii characters in path

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Message #16 received at 9735-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: sssslang <sssslang <at> gmail.com>
Cc: 9735-done <at> debbugs.gnu.org
Subject: Re: bug#9735: win32 emacs cannot load doc string from files which has
	non-ascii characters in path
Date: Wed, 12 Oct 2011 15:08:12 -0400

> I use emacs-23.2 and codepage936 on my Windows box. And the "xxxxx" in the
> error message should be the non-latin characters but is something like
> "\301\226" now. Except "cl" and "calendar", other elisp sources seems can be
> loaded without problem. I don't know what makes the difference, but the
> error maybe caused by incorrect path encoding. The attached patch works on
> my machine, but it didn't have enough test. Hopes somebody could improve it.

The patch is doing the right thing, thank you.  I installed
a slightly different one to call ENCODE_FILE fewer times.


        Stefan


> --- emacs-23.2/src/doc.c	2010-04-04 06:26:07.000000000 +0800
> +++ emacs-23.2/src/doc.c	2011-10-12 17:19:54.000000000 +0800
> @@ -142,17 +142,17 @@
>    tem = Ffile_name_absolute_p (file);
>    if (NILP (tem))
>      {
> -      minsize = SCHARS (Vdoc_directory);
> +      minsize = SCHARS (ENCODE_FILE (Vdoc_directory));
>        /* sizeof ("../etc/") == 8 */
>        if (minsize < 8)
>  	minsize = 8;
> -      name = (char *) alloca (minsize + SCHARS (file) + 8);
> -      strcpy (name, SDATA (Vdoc_directory));
> -      strcat (name, SDATA (file));
> +      name = (char *) alloca (minsize + SCHARS (ENCODE_FILE (file)) + 8);
> +      strcpy (name, SDATA (ENCODE_FILE (Vdoc_directory)));
> +      strcat (name, SDATA (ENCODE_FILE (file)));
>      }
>    else
>      {
> -      name = (char *) SDATA (file);
> +      name = (char *) SDATA (ENCODE_FILE(file));
>      }
 
>    fd = emacs_open (name, O_RDONLY, 0);
> @@ -164,7 +164,7 @@
>  	  /* Preparing to dump; DOC file is probably not installed.
>  	     So check in ../etc. */
>  	  strcpy (name, "../etc/");
> -	  strcat (name, SDATA (file));
> +	  strcat (name, SDATA (ENCODE_FILE (file)));
 
>  	  fd = emacs_open (name, O_RDONLY, 0);
>  	}

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