1 files changed, 72 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/__iterator/ostreambuf_iterator.h b/contrib/llvm-project/libcxx/include/__iterator/ostreambuf_iterator.h
new file mode 100644
index 000000000000..dda0094dc3f5
--- /dev/null
+++ b/contrib/llvm-project/libcxx/include/__iterator/ostreambuf_iterator.h
@@ -0,0 +1,72 @@
+// -*- 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___ITERATOR_OSTREAMBUF_ITERATOR_H
+#define _LIBCPP___ITERATOR_OSTREAMBUF_ITERATOR_H
+
+#include <__config>
+#include <__iterator/iterator.h>
+#include <__iterator/iterator_traits.h>
+#include <cstddef>
+#include <iosfwd> // for forward declaration of basic_streambuf
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
+template <class _CharT, class _Traits>
+class _LIBCPP_TEMPLATE_VIS ostreambuf_iterator
+#if _LIBCPP_STD_VER <= 14 || !defined(_LIBCPP_ABI_NO_ITERATOR_BASES)
+    : public iterator<output_iterator_tag, void, void, void, void>
+#endif
+{
+  _LIBCPP_SUPPRESS_DEPRECATED_POP
+
+public:
+  typedef output_iterator_tag iterator_category;
+  typedef void value_type;
+#if _LIBCPP_STD_VER >= 20
+  typedef ptrdiff_t difference_type;
+#else
+  typedef void difference_type;
+#endif
+  typedef void pointer;
+  typedef void reference;
+  typedef _CharT char_type;
+  typedef _Traits traits_type;
+  typedef basic_streambuf<_CharT, _Traits> streambuf_type;
+  typedef basic_ostream<_CharT, _Traits> ostream_type;
+
+private:
+  streambuf_type* __sbuf_;
+
+public:
+  _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator(ostream_type& __s) _NOEXCEPT : __sbuf_(__s.rdbuf()) {}
+  _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator(streambuf_type* __s) _NOEXCEPT : __sbuf_(__s) {}
+  _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator& operator=(_CharT __c) {
+    if (__sbuf_ && traits_type::eq_int_type(__sbuf_->sputc(__c), traits_type::eof()))
+      __sbuf_ = nullptr;
+    return *this;
+  }
+  _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator& operator*() { return *this; }
+  _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator& operator++() { return *this; }
+  _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator& operator++(int) { return *this; }
+  _LIBCPP_HIDE_FROM_ABI bool failed() const _NOEXCEPT { return __sbuf_ == nullptr; }
+
+  template <class _Ch, class _Tr>
+  friend _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator<_Ch, _Tr> __pad_and_output(
+      ostreambuf_iterator<_Ch, _Tr> __s, const _Ch* __ob, const _Ch* __op, const _Ch* __oe, ios_base& __iob, _Ch __fl);
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___ITERATOR_OSTREAMBUF_ITERATOR_H