PATCH: assume "enhanced goodness" when --multibyte-enable

[Peter Stephenson <pws@csr.com>]

In utils.c we don't enable the full multibyte code for converting
characters unless __STDC_ISO_10646__ is turned on.  However, everywhere
in zle we simply trust that if --multibyte-enable is turned on
everything just works.  That includes wctomb(), which is all we need
for character conversion.

Hence I think we need to make the same assumption in utils.c, too.  This
makes things (in particular insert-{composed,unicode}-char) work better
on Solaris 8.

Index: Src/utils.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/utils.c,v
retrieving revision 1.105
diff -u -r1.105 utils.c
--- Src/utils.c	30 Nov 2005 16:35:33 -0000	1.105
+++ Src/utils.c	14 Dec 2005 18:17:29 -0000
@@ -3918,7 +3918,7 @@
 }
 #endif
 
-# if defined(HAVE_NL_LANGINFO) && defined(CODESET) && !defined(__STDC_ISO_10646__)
+# if defined(HAVE_NL_LANGINFO) && defined(CODESET) && !defined(__STDC_ISO_10646__) && !defined(MULTIBYTE_SUPPORT)
 /* Convert a character from UCS4 encoding to UTF-8 */
 
 /**/
@@ -3984,7 +3984,7 @@
     char svchar = '\0';
     int meta = 0, control = 0;
     int i;
-#if defined(HAVE_WCHAR_H) && defined(HAVE_WCTOMB) && defined(__STDC_ISO_10646__)
+#if defined(HAVE_WCHAR_H) && defined(HAVE_WCTOMB) && (defined(__STDC_ISO_10646__) || defined(MULTIBYTE_SUPPORT))
     wint_t wval;
     size_t count;
 #else
@@ -4093,7 +4093,7 @@
 		    *misc = wval;
 		    return s+1;
 		}
-#if defined(HAVE_WCHAR_H) && defined(HAVE_WCTOMB) && defined(__STDC_ISO_10646__)
+#if defined(HAVE_WCHAR_H) && defined(HAVE_WCTOMB) && (defined(__STDC_ISO_10646__) || defined(MULTIBYTE_SUPPORT))
 		count = wctomb(t, (wchar_t)wval);
 		if (count == (size_t)-1) {
 		    zerr("character not in range", NULL, 0);

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070


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