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

*** 18,27 ****
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  
  /*
+  * Copyright 2013 Garrett D'Amore <garrett@damore.org>
   * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
   */
  
  /*      Copyright (c) 1988 AT&T */
  /*        All Rights Reserved   */
*** 28,37 ****
--- 29,41 ----
  
  #include "lint.h"
  #include <string.h>
  #include <ctype.h>
  #include <sys/types.h>
+ #include <locale.h>
+ #include "lctype.h"
+ #include "localeimpl.h"
  
  /*
   * strcasestr() locates the first occurrence in the string s1 of the
   * sequence of characters (excluding the terminating null character)
   * in the string s2, ignoring case.  strcasestr() returns a pointer
*** 38,50 ****
   * to the located string, or a null pointer if the string is not found.
   * If s2 is empty, the function returns s1.
   */
  
  char *
! strcasestr(const char *s1, const char *s2)
  {
!         int *cm = __trans_lower;
          const uchar_t *us1 = (const uchar_t *)s1;
          const uchar_t *us2 = (const uchar_t *)s2;
          const uchar_t *tptr;
          int c;
  
--- 42,54 ----
   * to the located string, or a null pointer if the string is not found.
   * If s2 is empty, the function returns s1.
   */
  
  char *
! strcasestr_l(const char *s1, const char *s2, locale_t loc)
  {
!         const int *cm = loc->ctype->lc_trans_lower;
          const uchar_t *us1 = (const uchar_t *)s1;
          const uchar_t *us2 = (const uchar_t *)s2;
          const uchar_t *tptr;
          int c;
  
*** 64,69 ****
--- 68,79 ----
                          c = cm[*us2];
                  }
          }
  
          return (NULL);
+ }
+ 
+ char *
+ strcasestr(const char *s1, const char *s2)
+ {
+         return (strcasestr_l(s1, s2, uselocale(NULL)));
  }