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
*** 42,70 ****
  
  #include "lint.h"
  #include <wchar.h>
  #include "_ctype.h"
  #include "runetype.h"
  
  #undef wcwidth
  
  int
! wcwidth(wchar_t wc)
  {
          unsigned int x;
  
          if (wc == 0)
                  return (0);
  
!         x = ((wc < 0 || wc >= _CACHED_RUNES) ? ___runetype(wc) :
!             _CurrentRuneLocale->__runetype[wc]) & (_CTYPE_SWM|_CTYPE_R);
  
          if ((x & _CTYPE_SWM) != 0)
                  return ((x & _CTYPE_SWM) >> _CTYPE_SWS);
          return ((x & _CTYPE_R) != 0 ? 1 : -1);
  }
  
  #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
--- 43,79 ----
  
  #include "lint.h"
  #include <wchar.h>
  #include "_ctype.h"
  #include "runetype.h"
+ #include "localeimpl.h"
  
  #undef wcwidth
  
  int
! 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(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