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 2010 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 2002 Tim J. Robbins.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

@@ -24,30 +25,31 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include "lint.h"
+#include <note.h>
 #include <errno.h>
 #include <string.h>
 #include <wctype.h>
+#include <locale.h>
 
 enum {
         _WCT_ERROR      = 0,
         _WCT_TOLOWER    = 1,
         _WCT_TOUPPER    = 2
 };
 
 wint_t
-towctrans(wint_t wc, wctrans_t desc)
+towctrans_l(wint_t wc, wctrans_t desc, locale_t loc)
 {
-
         switch (desc) {
         case _WCT_TOLOWER:
-                wc = towlower(wc);
+                wc = towlower_l(wc, loc);
                 break;
         case _WCT_TOUPPER:
-                wc = towupper(wc);
+                wc = towupper_l(wc, loc);
                 break;
         case _WCT_ERROR:
         default:
                 errno = EINVAL;
                 break;

@@ -54,12 +56,22 @@
         }
 
         return (wc);
 }
 
+wint_t
+towctrans(wint_t wc, wctrans_t desc)
+{
+        return (towctrans_l(wc, desc, uselocale(NULL)));
+}
+
+/*
+ * For *now* we don't support locale sensitive transforms besides toupper
+ * and tolower.
+ */
 wctrans_t
-wctrans(const char *charclass)
+wctrans_l(const char *charclass, locale_t loc)
 {
         struct {
                 const char      *name;
                 wctrans_t        trans;
         } ccls[] = {

@@ -66,14 +78,21 @@
                 { "tolower",    _WCT_TOLOWER },
                 { "toupper",    _WCT_TOUPPER },
                 { NULL,         _WCT_ERROR },           /* Default */
         };
         int i;
+        _NOTE(ARGUNUSED(loc));
 
         i = 0;
         while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0)
                 i++;
 
         if (ccls[i].trans == _WCT_ERROR)
                 errno = EINVAL;
         return (ccls[i].trans);
+}
+
+wctrans_t
+wctrans(const char *charclass)
+{
+        return (wctrans_l(charclass, uselocale(NULL)));
 }