From ab9672ae73248f51e30f4553c4b8878525e46383 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 13 Oct 2014 20:59:42 -0400
Subject: implement uchar.h (C11 UTF-16/32 conversion) interfaces

---
 include/alltypes.h.in |  2 ++
 include/uchar.h       | 27 +++++++++++++++++++++++++++
 include/wchar.h       |  6 +-----
 3 files changed, 30 insertions(+), 5 deletions(-)
 create mode 100644 include/uchar.h

(limited to 'include')

diff --git a/include/alltypes.h.in b/include/alltypes.h.in
index c4ca5d52..98c2f3b1 100644
--- a/include/alltypes.h.in
+++ b/include/alltypes.h.in
@@ -58,6 +58,8 @@ TYPEDEF struct { unsigned __attr[2]; } pthread_rwlockattr_t;
 
 TYPEDEF struct _IO_FILE FILE;
 
+TYPEDEF struct __mbstate_t { unsigned __opaque1, __opaque2; } mbstate_t;
+
 TYPEDEF struct __locale_struct * locale_t;
 
 TYPEDEF struct __sigset_t { unsigned long __bits[128/sizeof(long)]; } sigset_t;
diff --git a/include/uchar.h b/include/uchar.h
new file mode 100644
index 00000000..8dabf1ed
--- /dev/null
+++ b/include/uchar.h
@@ -0,0 +1,27 @@
+#ifndef _UCHAR_H
+#define _UCHAR_H
+
+#ifdef __cplusplus
+extern "C" {
+#else
+typedef unsigned short char16_t;
+typedef unsigned char32_t;
+#endif
+
+#define __NEED_mbstate_t
+#define __NEED_size_t
+
+#include <features.h>
+#include <bits/alltypes.h>
+
+size_t c16rtomb(char *__restrict, char16_t, mbstate_t *__restrict);
+size_t mbrtoc16(char16_t *__restrict, const char *__restrict, size_t, mbstate_t *__restrict);
+
+size_t c32rtomb(char *__restrict, char32_t, mbstate_t *__restrict);
+size_t mbrtoc32(char32_t *__restrict, const char *__restrict, size_t, mbstate_t *__restrict);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/wchar.h b/include/wchar.h
index 9fd967cc..52da6395 100644
--- a/include/wchar.h
+++ b/include/wchar.h
@@ -12,6 +12,7 @@ extern "C" {
 #define __NEED_size_t
 #define __NEED_wchar_t
 #define __NEED_wint_t
+#define __NEED_mbstate_t
 
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
@@ -42,11 +43,6 @@ extern "C" {
 #undef WEOF
 #define WEOF 0xffffffffU
 
-typedef struct __mbstate_t
-{
-	unsigned __opaque1, __opaque2;
-} mbstate_t;
-
 wchar_t *wcscpy (wchar_t *__restrict, const wchar_t *__restrict);
 wchar_t *wcsncpy (wchar_t *__restrict, const wchar_t *__restrict, size_t);
 
-- 
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