[PATCH] Add uchar.h

[Dave Korn <dave dot korn dot cygwin at googlemail dot com>]

Dave Korn wrote:
>
>  I've got a bit of a load on right now what with gcc back in stage1.

  However, as part of dealing with that I did try throwing together one of
these.  I wrote this from scratch based solely on reading n1040; it's
skeletal, but at least provides the two new unicode typedefs.  Want it?

winsup/cygwin/ChangeLog

	* include/uchar.h:  New file.

    cheers,
      DaveK

Index: winsup/cygwin/include/uchar.h
===================================================================
RCS file: winsup/cygwin/include/uchar.h
diff -N winsup/cygwin/include/uchar.h
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ winsup/cygwin/include/uchar.h	3 Apr 2009 13:03:52 -0000
@@ -0,0 +1,37 @@
+/* uchar.h - unicode character types
+
+   Copyright 2009 Red Hat, Inc.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifndef _UCHAR_H
+#define _UCHAR_H
+
+/* Exact-width character types */
+
+typedef unsigned short char16_t;    /* Must match uint_least16_t */
+typedef unsigned long  char32_t;    /* Must match uint_least32_t */
+
+
+/* We do not define an encoding yet. */
+
+/* #undef __STDC_UTF_16__ */
+/* #undef __STDC_UTF_32__ */
+
+/* We do not provide the standard library functions yet. */
+
+/* size_t mbrtoc16(char16_t * restrict pc16, const char * restrict s,
+		size_t n, mbstate_t * restrict ps); */
+
+/* size_t c16rtomb(char * restrict s, char16_t c16, mbstate_t * restrict ps); */
+
+/* size_t mbrtoc32(char32_t * restrict pc32, const char * restrict s, size_t n,
+		mbstate_t * restrict ps); */
+
+/* size_t c32rtomb(char * restrict s, char32_t c32, mbstate_t * restrict ps); */
+
+#endif /* _UCHAR_H */