2964 need POSIX 2008 locale object support
Reviewed by: Robert Mustacchi <rm@joyent.com>

@@ -1,6 +1,7 @@
 /*
+ * Copyright 2013 Garrett D'Amore <garrett@damore.org>
  * Copyright (c) 1989, 1993
  *      The Regents of the University of California.  All rights reserved.
  * (c) UNIX System Laboratories, Inc.
  * All or some portions of this file are derived from material licensed
  * to the University of California by American Telephone and Telegraph

@@ -42,29 +43,37 @@
 
 #include "lint.h"
 #include <wchar.h>
 #include "_ctype.h"
 #include "runetype.h"
+#include "localeimpl.h"
 
 #undef wcwidth
 
 int
-wcwidth(wchar_t wc)
+wcwidth_l(wchar_t wc, locale_t loc)
 {
         unsigned int x;
+        const _RuneLocale *rl = loc->runelocale;
 
         if (wc == 0)
                 return (0);
 
-        x = ((wc < 0 || wc >= _CACHED_RUNES) ? ___runetype(wc) :
-            _CurrentRuneLocale->__runetype[wc]) & (_CTYPE_SWM|_CTYPE_R);
+        x = ((wc < 0 || wc >= _CACHED_RUNES) ? __runetype(rl, wc) :
+            rl->__runetype[wc]) & (_CTYPE_SWM|_CTYPE_R);
 
         if ((x & _CTYPE_SWM) != 0)
                 return ((x & _CTYPE_SWM) >> _CTYPE_SWS);
         return ((x & _CTYPE_R) != 0 ? 1 : -1);
 }
 
+int
+wcwidth(wchar_t wc)
+{
+        return (wcwidth_l(wc, uselocale(NULL)));
+}
+
 #pragma weak _scrwidth = scrwidth
 
 /*
  * This is a Solaris extension.  It never returns a negative width, even for
  * non-printable characters.  It is used internally by the printf