diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index c973c6517..b5be19c24 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,19 @@
+2010-02-09  Corinna Vinschen  <corinna@vinschen.de>
+
+	* libc/locale/lmessages.c (__messages_load_locale): Take additional
+	parameters for wide char to multibyte conversion.  Call
+	__set_lc_messages_from_win on Cygwin.
+	* libc/locale/lmessages.h: Make C++-safe.
+	(__messages_load_locale): Change declaration.
+	* libc/locale/lmonetary.c (__monetary_load_locale): Use
+	_monetary_locale_buf as buffer pointer.
+	* libc/locale/lnumeric.c (__numeric_load_locale): Use
+	_numeric_locale_buf as buffer pointer.
+	* libc/locale/timelocal.c (__time_load_locale): Use time_locale_buf
+	as buffer pointer.
+	* libc/locale/locale.c (loadlocale): Enable loading LC_MESSAGES data
+	on Cygwin.
+
 2010-02-08  Josef Wolf  <jw@raven.inka.de>
 
 	* libc/machine/m68k/memcpy.S: MISALIGEND_OK should not be set for
diff --git a/newlib/libc/locale/lmessages.c b/newlib/libc/locale/lmessages.c
index 9a4bb799a..24e4858d5 100644
--- a/newlib/libc/locale/lmessages.c
+++ b/newlib/libc/locale/lmessages.c
@@ -49,8 +49,29 @@ static int	_messages_using_locale;
 static char	*_messages_locale_buf;
 
 int
-__messages_load_locale(const char *name) {
+__messages_load_locale (const char *name, void *f_wctomb, const char *charset)
+{
+#ifdef __CYGWIN__
+	extern int __set_lc_messages_from_win (const char *,
+					       struct lc_messages_T *, char **,
+					       void *, const char *);
+	int ret;
 
+	int old_messages_using_locale = _messages_using_locale;
+	_messages_using_locale = 0;
+	ret = __set_lc_messages_from_win (name, &_messages_locale,
+					  &_messages_locale_buf,
+					  f_wctomb, charset);
+	/* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
+	if (ret < 0)
+	  _messages_using_locale = old_messages_using_locale;
+	else
+	  {
+	    _messages_using_locale = ret;
+	    ret = 0;
+	  }
+	return ret;
+#else
 	/*
 	 * Propose that we can have incomplete locale file (w/o "{yes,no}str").
 	 * Initialize them before loading.  In case of complete locale, they'll
@@ -63,6 +84,7 @@ __messages_load_locale(const char *name) {
 		_messages_locale_buf, "LC_MESSAGES",
 		LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
 		(const char **)&_messages_locale);
+#endif
 }
 
 struct lc_messages_T *
diff --git a/newlib/libc/locale/lmessages.h b/newlib/libc/locale/lmessages.h
index ee690ae7c..b1e14b7c9 100644
--- a/newlib/libc/locale/lmessages.h
+++ b/newlib/libc/locale/lmessages.h
@@ -29,6 +29,10 @@
 #ifndef _LMESSAGES_H_
 #define	_LMESSAGES_H_
 
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
 struct	lc_messages_T {
 	const char	*yesexpr;
 	const char	*noexpr;
@@ -37,6 +41,8 @@ struct	lc_messages_T {
 };
 
 struct lc_messages_T *__get_current_messages_locale(void);
-int	__messages_load_locale(const char *);
+int __numeric_load_locale(const char *, void *, const char *);
+
+__END_DECLS
 
 #endif /* !_LMESSAGES_H_ */
diff --git a/newlib/libc/locale/lmonetary.c b/newlib/libc/locale/lmonetary.c
index 745ade517..c96d74802 100644
--- a/newlib/libc/locale/lmonetary.c
+++ b/newlib/libc/locale/lmonetary.c
@@ -76,11 +76,12 @@ __monetary_load_locale(const char *name , void *f_wctomb, const char *charset)
 
 #ifdef __CYGWIN__
 	extern int __set_lc_monetary_from_win (const char *,
-					       struct lc_monetary_T *,
+					       struct lc_monetary_T *, char **,
 					       void *, const char *);
 	int old_monetary_using_locale = _monetary_using_locale;
 	_monetary_using_locale = 0;
 	ret = __set_lc_monetary_from_win (name, &_monetary_locale,
+					  &_monetary_locale_buf,
 					  f_wctomb, charset);
 	/* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
 	if (ret < 0)
diff --git a/newlib/libc/locale/lnumeric.c b/newlib/libc/locale/lnumeric.c
index 5bf0a7d11..81c0061ff 100644
--- a/newlib/libc/locale/lnumeric.c
+++ b/newlib/libc/locale/lnumeric.c
@@ -54,11 +54,12 @@ __numeric_load_locale(const char *name , void *f_wctomb, const char *charset)
 
 #ifdef __CYGWIN__
 	extern int __set_lc_numeric_from_win (const char *,
-					      struct lc_numeric_T *,
+					      struct lc_numeric_T *, char **,
 					      void *, const char *);
 	int old_numeric_using_locale = _numeric_using_locale;
 	_numeric_using_locale = 0;
 	ret = __set_lc_numeric_from_win (name, &_numeric_locale,
+					 &_numeric_locale_buf,
 					 f_wctomb, charset);
 	/* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
 	if (ret < 0)
diff --git a/newlib/libc/locale/locale.c b/newlib/libc/locale/locale.c
index 2b1f6dd33..8444be961 100644
--- a/newlib/libc/locale/locale.c
+++ b/newlib/libc/locale/locale.c
@@ -817,7 +817,13 @@ restart:
 			      || strncmp (locale, "zh", 2) == 0));
     }
   else if (category == LC_MESSAGES)
-    strcpy (lc_message_charset, charset);
+    {
+#ifdef __CYGWIN__
+      ret = __messages_load_locale (locale, (void *) l_wctomb, charset);
+      if (!ret)
+#endif
+      strcpy (lc_message_charset, charset);
+    }
 #ifdef __CYGWIN__
   else if (category == LC_COLLATE)
     ret = __collate_load_locale (locale, (void *) l_mbtowc, charset);
diff --git a/newlib/libc/locale/timelocal.c b/newlib/libc/locale/timelocal.c
index 0fe53bf42..17b9a2350 100644
--- a/newlib/libc/locale/timelocal.c
+++ b/newlib/libc/locale/timelocal.c
@@ -109,10 +109,11 @@ __time_load_locale(const char *name, void *f_wctomb, const char *charset) {
 
 #ifdef __CYGWIN__
 	extern int __set_lc_time_from_win (const char *, struct lc_time_T *,
-					   void *, const char *);
+					   char **, void *, const char *);
 	int old_time_using_locale = _time_using_locale;
 	_time_using_locale = 0;
-	ret = __set_lc_time_from_win (name, &_time_locale, f_wctomb, charset);
+	ret = __set_lc_time_from_win (name, &_time_locale, &time_locale_buf,
+				      f_wctomb, charset);
 	/* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
 	if (ret < 0)
 	  _time_using_locale = old_time_using_locale;