Re: PATCH: multibyte $WORDCHARS

[Peter Stephenson <pws@csr.com>]

Peter Stephenson wrote:
> This fully fixes up WORDCHARS to use multibyte characters, with the
> single exception of the [[:WORD:]] test --- I don't want to mess around
> with the pattern code until we start work properly on the main shell.

Excepting as how I forgot to unmetafy wordchars before exploring its
ichness.  I suspect a NULL before the end of WORDCHARS may wreak havoc.

Index: Src/utils.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/utils.c,v
retrieving revision 1.91
diff -u -r1.91 utils.c
--- Src/utils.c	20 Sep 2005 15:10:27 -0000	1.91
+++ Src/utils.c	20 Sep 2005 15:14:47 -0000
@@ -2499,15 +2499,18 @@
     }
 #ifdef ZLE_UNICODE_SUPPORT
     if (wordchars) {
-	const char *wordchars_ptr = wordchars;
+	char *wordchars_unmeta;
+	const char *wordchars_ptr;
 	mbstate_t mbs;
-	int nchars;
+	int nchars, unmetalen;
+
+	wordchars_unmeta = dupstring(wordchars);
+	wordchars_ptr = unmetafy(wordchars_unmeta, &unmetalen);
 
 	memset(&mbs, 0, sizeof(mbs));
 	wordchars_wide = (wchar_t *)
-	    zrealloc(wordchars_wide, (strlen(wordchars)+1)*sizeof(wchar_t));
-	nchars = mbsrtowcs(wordchars_wide, &wordchars_ptr, strlen(wordchars),
-			   &mbs);
+	    zrealloc(wordchars_wide, (unmetalen+1)*sizeof(wchar_t));
+	nchars = mbsrtowcs(wordchars_wide, &wordchars_ptr, unmetalen, &mbs);
 	if (nchars == -1) {
 	    /* Conversion state is undefined: better just set to null */
 	    *wordchars_wide = L'\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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