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-rw-r--r--ChangeLog12
-rw-r--r--NEWS2
-rw-r--r--include/wctype.h4
-rw-r--r--posix/fnmatch.c2
-rw-r--r--wctype/wcfuncs.c12
5 files changed, 26 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog
index 33636ba1fd..9182ed9ada 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2015-06-02  Joseph Myers  <joseph@codesourcery.com>
+
+	[BZ #18469]
+	* wctype/wcfuncs.c (towlower): Rename to __towlower and define as
+	weak alias of __towlower.  Use libc_hidden_weak.
+	(towupper): Rename to __towupper and define as weak alias of
+	__towupper.  Use libc_hidden_weak.
+	* include/wctype.h (__towlower): Declare.  Use libc_hidden_proto.
+	(__towupper): Likewise.
+	* posix/fnmatch.c [HANDLE_MULTIBYTE && _LIBC] (FOLD): Use
+	__towlower instead of towlower.
+
 2015-06-02  Roland McGrath  <roland@hack.frob.com>
 
 	* stdlib/setenv.c [__GNUC__,__GNUC_MINOR__ < 4,7]: Use
diff --git a/NEWS b/NEWS
index e1a1a244c4..ed02de066a 100644
--- a/NEWS
+++ b/NEWS
@@ -19,7 +19,7 @@ Version 2.22
   18047, 18049, 18068, 18080, 18093, 18100, 18104, 18110, 18111, 18116,
   18125, 18128, 18138, 18185, 18196, 18197, 18206, 18210, 18211, 18217,
   18220, 18221, 18234, 18244, 18247, 18287, 18319, 18333, 18346, 18397,
-  18409, 18410, 18412, 18418, 18422, 18434, 18444.
+  18409, 18410, 18412, 18418, 18422, 18434, 18444, 18469.
 
 * Cache information can be queried via sysconf() function on s390 e.g. with
   _SC_LEVEL1_ICACHE_SIZE as argument.
diff --git a/include/wctype.h b/include/wctype.h
index b29e82484b..88c78e62a0 100644
--- a/include/wctype.h
+++ b/include/wctype.h
@@ -60,6 +60,8 @@ extern __typeof (iswupper_l) __iswupper_l;
 extern __typeof (iswxdigit_l) __iswxdigit_l;
 extern __typeof (towlower_l) __towlower_l;
 extern __typeof (towupper_l) __towupper_l;
+extern __typeof (towlower) __towlower __THROW __attribute_pure__;
+extern __typeof (towupper) __towupper __THROW __attribute_pure__;
 
 libc_hidden_proto (__towctrans)
 libc_hidden_proto (__iswctype)
@@ -77,6 +79,8 @@ libc_hidden_proto (__iswupper_l)
 libc_hidden_proto (__iswxdigit_l)
 libc_hidden_proto (__towlower_l)
 libc_hidden_proto (__towupper_l)
+libc_hidden_proto (__towlower)
+libc_hidden_proto (__towupper)
 
 /* The spec says that isdigit must only match the decimal digits.  We
    can check this without a memory access.  */
diff --git a/posix/fnmatch.c b/posix/fnmatch.c
index a707847dcc..7480ec7f00 100644
--- a/posix/fnmatch.c
+++ b/posix/fnmatch.c
@@ -229,7 +229,7 @@ __wcschrnul (s, c)
 # if HANDLE_MULTIBYTE
 /* Note that this evaluates C many times.  */
 #  ifdef _LIBC
-#   define FOLD(c) ((flags & FNM_CASEFOLD) ? towlower (c) : (c))
+#   define FOLD(c) ((flags & FNM_CASEFOLD) ? __towlower (c) : (c))
 #  else
 #   define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? towlower (c) : (c))
 #  endif
diff --git a/wctype/wcfuncs.c b/wctype/wcfuncs.c
index 87bdcc5311..788fed9a6a 100644
--- a/wctype/wcfuncs.c
+++ b/wctype/wcfuncs.c
@@ -69,22 +69,26 @@ libc_hidden_weak (iswxdigit)
 
 #undef towlower
 wint_t
-towlower (wc)
+__towlower (wc)
      wint_t wc;
 {
   size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MAP_OFFSET) + __TOW_tolower;
   const char *desc = _NL_CURRENT (LC_CTYPE, i);
   return wctrans_table_lookup (desc, wc);
 }
-libc_hidden_def (towlower)
+libc_hidden_def (__towlower)
+weak_alias (__towlower, towlower)
+libc_hidden_weak (towlower)
 
 #undef towupper
 wint_t
-towupper (wc)
+__towupper (wc)
      wint_t wc;
 {
   size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MAP_OFFSET) + __TOW_toupper;
   const char *desc = _NL_CURRENT (LC_CTYPE, i);
   return wctrans_table_lookup (desc, wc);
 }
-libc_hidden_def (towupper)
+libc_hidden_def (__towupper)
+weak_alias (__towupper, towupper)
+libc_hidden_weak (towupper)