The encoding 646 once again

Wed Mar 27 00:55:00 GMT 2002

A long time ago Tom wrote:
> Martin> Why can't we alias 646 simply to UTF-8?
>> It isn't really correct. I'm not overly concerned about the corner
> cases though (the difference is that in theory with ASCII you should
> get an error if you see a byte >0x7f, but with UTF-8 we'll try to
> interpret it).
>> I think something like this would be fine, especially if it comes with
> a big comment explaining why it is required (like the one in libgcj).
> Do you want to try it? I think it might suffice to fix
> gcc/java/lex.c.

Hi!
This patch will free us from the obligatory --encoding=UTF-8 on 
Solaris 2.7 (and perhaps other versions).
Bye,
Martin.
2002年03月27日 Martin Kahlert <martin.kahlert@infineon.com>
	* lex.c (java_new_lexer): Alias "646" to DEFAULT_ENCODING
diff -ru gcc-20020325.old/gcc/java/lex.c gcc-20020325/gcc/java/lex.c

--- gcc-20020325.old/gcc/java/lex.c	Sat Mar 23 00:59:20 2002
+++ gcc-20020325/gcc/java/lex.c	Wed Mar 27 09:38:10 2002
@@ -290,8 +290,13 @@
 /* If iconv failed, use the internal decoder if the default
 	 encoding was requested. This code is used on platforms where
 	 iconv exists but is insufficient for our needs. For
-	 instance, on Solaris 2.5 iconv cannot handle UTF-8 or UCS-2. */
- if (strcmp (encoding, DEFAULT_ENCODING))
+	 instance, on Solaris 2.5 iconv cannot handle UTF-8 or UCS-2.
+
+ On Solaris the default encoding, as returned by nl_langinfo(),
+ is `646' (aka ASCII), but the Solaris iconv_open() doesn't
+ understand that. We work around that by pretending
+ `646' to be the same as UTF-8 */
+ if (strcmp (encoding, DEFAULT_ENCODING) && strcmp (encoding, "646"))
 	enc_error = 1;
 #ifdef HAVE_ICONV
 else
-- 
The early bird catches the worm. If you want something else for 
breakfast, get up later.
