1 files changed, 52 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/uchar.h b/contrib/llvm-project/libcxx/include/uchar.h
new file mode 100644
index 000000000000..bb152c72cb3c
--- /dev/null
+++ b/contrib/llvm-project/libcxx/include/uchar.h
@@ -0,0 +1,52 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_UCHAR_H
+#define _LIBCPP_UCHAR_H
+
+/*
+    uchar.h synopsis // since C++11
+
+Macros:
+
+    __STDC_UTF_16__
+    __STDC_UTF_32__
+
+Types:
+
+  mbstate_t
+  size_t
+
+size_t mbrtoc16(char16_t* pc16, const char* s, size_t n, mbstate_t* ps);
+size_t c16rtomb(char* s, char16_t c16, mbstate_t* ps);
+size_t mbrtoc32(char32_t* pc32, const char* s, size_t n, mbstate_t* ps);
+size_t c32rtomb(char* s, char32_t c32, mbstate_t* ps);
+
+*/
+
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+#if !defined(_LIBCPP_CXX03_LANG)
+
+// Some platforms don't implement <uchar.h> and we don't want to give a hard
+// error on those platforms. When the platform doesn't provide <uchar.h>, at
+// least include <stddef.h> so we get the declaration for size_t.
+#if __has_include_next(<uchar.h>)
+# include_next <uchar.h>
+#else
+# include <stddef.h>
+#endif
+
+#endif // _LIBCPP_CXX03_LANG
+
+#endif // _LIBCPP_UCHAR_H