From ac7896b56e3d3713c3226c2b3d887d88078e9679 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Sun, 13 Feb 2000 07:33:06 +0000
Subject: [PATCH] Use __ctype32_tolower and __ctype32_toupper.

---
 wctype/wcfuncs.c   | 12 ++++++++----
 wctype/wcfuncs_l.c | 42 +++++++++++++++++++++++++++++++++++++++---
 2 files changed, 47 insertions(+), 7 deletions(-)

diff --git a/wctype/wcfuncs.c b/wctype/wcfuncs.c
index 30836edb9b..3caa9df74d 100644
--- a/wctype/wcfuncs.c
+++ b/wctype/wcfuncs.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -18,7 +18,7 @@
 
 #define	__NO_WCTYPE
 #include <wctype.h>
-#include <ctype.h>	/* For __ctype_tolower and __ctype_toupper.  */
+#include <stdint.h>
 
 #include "cname-lookup.h"
 
@@ -26,6 +26,10 @@
    is not visible in the header.   */
 extern unsigned int *__ctype32_b;
 
+/* These are not exported.  */
+extern const uint32_t *__ctype32_toupper;
+extern const uint32_t *__ctype32_tolower;
+
 /* Provide real-function versions of all the wctype macros.  */
 
 #define	func(name, type) \
@@ -76,7 +80,7 @@ wint_t
     /* Character is not known.  Default action is to simply return it.  */
     return wc;
 
-  return (wint_t) __ctype_tolower[idx];
+  return (wint_t) __ctype32_tolower[idx];
 }
 
 wint_t
@@ -90,5 +94,5 @@ wint_t
     /* Character is not known.  Default action is to simply return it.  */
     return wc;
 
-  return (wint_t) __ctype_toupper[idx];
+  return (wint_t) __ctype32_toupper[idx];
 }
diff --git a/wctype/wcfuncs_l.c b/wctype/wcfuncs_l.c
index 775676eb38..1d194ee19b 100644
--- a/wctype/wcfuncs_l.c
+++ b/wctype/wcfuncs_l.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -18,6 +18,12 @@
 
 #define	__NO_WCTYPE
 #include <wctype.h>
+#include <endian.h>
+#include <stdint.h>
+#include "../locale/localeinfo.h"
+
+#define USE_IN_EXTENDED_LOCALE_MODEL
+#include "cname-lookup.h"
 
 /* Provide real-function versions of all the wctype macros.  */
 
@@ -40,11 +46,41 @@ func (__iswxdigit_l, _ISwxdigit)
 wint_t
 (__towlower_l) (wint_t wc, __locale_t locale)
 {
-  return __towctrans_l (wc, locale->__ctype_tolower, locale);
+  const int32_t *class32_tolower;
+  size_t idx;
+
+  idx = cname_lookup (wc, locale);
+  if (idx == ~((size_t) 0))
+    return 0;
+
+#if BYTE_ORDER == BIG_ENDIAN
+  class32_tolower = (const int32_t *)
+    locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_TOLOWER32_EB)].string;
+#else
+  class32_tolower = (const int32_t *)
+    locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_TOLOWER32_EL)].string;
+#endif
+
+  return class32_tolower[idx];
 }
 
 wint_t
 (__towupper_l) (wint_t wc, __locale_t locale)
 {
-  return __towctrans_l (wc, locale->__ctype_toupper, locale);
+  const int32_t *class32_toupper;
+  size_t idx;
+
+  idx = cname_lookup (wc, locale);
+  if (idx == ~((size_t) 0))
+    return 0;
+
+#if BYTE_ORDER == BIG_ENDIAN
+  class32_toupper = (const int32_t *)
+    locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_TOUPPER32_EB)].string;
+#else
+  class32_toupper = (const int32_t *)
+    locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_TOUPPER32_EL)].string;
+#endif
+
+  return class32_toupper[idx];
 }