* include/wctype.h: Add comment on wctrans, towctrans, wctype.

diff --git a/winsup/mingw/ChangeLog b/winsup/mingw/ChangeLog
index 8948eeb..1cfab64 100644 (file)
--- a/winsup/mingw/ChangeLog
+++ b/winsup/mingw/ChangeLog
@@ -1,5 +1,9 @@
 2005-02-25  Danny Smith  <dannysmith@users.sourceforge.net>
 
+       * include/wctype.h:  Add comment on wctrans, towctrans, wctype.
+
+2005-02-25  Danny Smith  <dannysmith@users.sourceforge.net>
+
        * mingwex/wctype.c: New file.
        * mingwex/wctrans.c: New file.
        * mingwex/Makefile.in (DISTFILES): Add wctype.c, wctrans.c.

diff --git a/winsup/mingw/include/wctype.h b/winsup/mingw/include/wctype.h
index 7b2d20a..07c433e 100644 (file)
--- a/winsup/mingw/include/wctype.h
+++ b/winsup/mingw/include/wctype.h
@@ -128,6 +128,14 @@ __CRT_INLINE int __cdecl isleadbyte(int c) {return (_pctype[(unsigned char)(c)]
 
 
 typedef wchar_t wctrans_t;
+
+/* These are resolved by libmingwex.a.  Note, that they are also exported
+   by the MS C++ runtime lib (msvcp60.dll).  The msvcp60.dll implementations
+   of wctrans and towctrans are not C99 compliant in that wctrans("tolower")
+   returns 0, while std specifies that a non-zero value should be returned
+   for a valid string descriptor.  If you want the MS behaviour (and you have
+   msvcp60.dll in your path) add -lmsvcp60 to your command line.  */   
+
 _CRTIMP wint_t __cdecl         towctrans(wint_t, wctrans_t);
 _CRTIMP wctrans_t __cdecl      wctrans(const char*);
 _CRTIMP wctype_t __cdecl       wctype(const char*);