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-rw-r--r--contrib/llvm-project/libcxx/include/fstream50
1 files changed, 50 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/fstream b/contrib/llvm-project/libcxx/include/fstream
index 7a4e15b55d56..203cc6dfb4b1 100644
--- a/contrib/llvm-project/libcxx/include/fstream
+++ b/contrib/llvm-project/libcxx/include/fstream
@@ -73,6 +73,7 @@ public:
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
+ using native_handle_type = typename basic_filebuf<charT, traits>::native_handle_type; // Since C++26
basic_ifstream();
explicit basic_ifstream(const char* s, ios_base::openmode mode = ios_base::in);
@@ -85,6 +86,7 @@ public:
void swap(basic_ifstream& rhs);
basic_filebuf<char_type, traits_type>* rdbuf() const;
+ native_handle_type native_handle() const noexcept; // Since C++26
bool is_open() const;
void open(const char* s, ios_base::openmode mode = ios_base::in);
void open(const string& s, ios_base::openmode mode = ios_base::in);
@@ -110,6 +112,7 @@ public:
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
+ using native_handle_type = typename basic_filebuf<charT, traits>::native_handle_type; // Since C++26
basic_ofstream();
explicit basic_ofstream(const char* s, ios_base::openmode mode = ios_base::out);
@@ -122,6 +125,8 @@ public:
void swap(basic_ofstream& rhs);
basic_filebuf<char_type, traits_type>* rdbuf() const;
+ native_handle_type native_handle() const noexcept; // Since C++26
+
bool is_open() const;
void open(const char* s, ios_base::openmode mode = ios_base::out);
void open(const string& s, ios_base::openmode mode = ios_base::out);
@@ -148,6 +153,7 @@ public:
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
+ using native_handle_type = typename basic_filebuf<charT, traits>::native_handle_type; // Since C++26
basic_fstream();
explicit basic_fstream(const char* s, ios_base::openmode mode = ios_base::in|ios_base::out);
@@ -160,6 +166,7 @@ public:
void swap(basic_fstream& rhs);
basic_filebuf<char_type, traits_type>* rdbuf() const;
+ native_handle_type native_handle() const noexcept; // Since C++26
bool is_open() const;
void open(const char* s, ios_base::openmode mode = ios_base::in|ios_base::out);
void open(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out);
@@ -210,6 +217,10 @@ _LIBCPP_PUSH_MACROS
_LIBCPP_BEGIN_NAMESPACE_STD
+# if _LIBCPP_STD_VER >= 26 && defined(_LIBCPP_WIN32API)
+_LIBCPP_EXPORTED_FROM_ABI void* __filebuf_windows_native_handle(FILE* __file) noexcept;
+# endif
+
template <class _CharT, class _Traits>
class _LIBCPP_TEMPLATE_VIS basic_filebuf : public basic_streambuf<_CharT, _Traits> {
public:
@@ -219,6 +230,15 @@ public:
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef typename traits_type::state_type state_type;
+# if _LIBCPP_STD_VER >= 26
+# if defined(_LIBCPP_WIN32API)
+ using native_handle_type = void*; // HANDLE
+# elif __has_include(<unistd.h>)
+ using native_handle_type = int; // POSIX file descriptor
+# else
+# error "Provide a native file handle!"
+# endif
+# endif
// 27.9.1.2 Constructors/destructor:
basic_filebuf();
@@ -245,6 +265,18 @@ public:
# endif
_LIBCPP_HIDE_FROM_ABI basic_filebuf* __open(int __fd, ios_base::openmode __mode);
basic_filebuf* close();
+# if _LIBCPP_STD_VER >= 26
+ _LIBCPP_HIDE_FROM_ABI native_handle_type native_handle() const noexcept {
+ _LIBCPP_ASSERT_UNCATEGORIZED(this->is_open(), "File must be opened");
+# if defined(_LIBCPP_WIN32API)
+ return std::__filebuf_windows_native_handle(__file_);
+# elif __has_include(<unistd.h>)
+ return fileno(__file_);
+# else
+# error "Provide a way to determine the file native handle!"
+# endif
+ }
+# endif // _LIBCPP_STD_VER >= 26
_LIBCPP_HIDE_FROM_ABI inline static const char* __make_mdstring(ios_base::openmode __mode) _NOEXCEPT;
@@ -1024,6 +1056,9 @@ public:
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
+# if _LIBCPP_STD_VER >= 26
+ using native_handle_type = typename basic_filebuf<_CharT, _Traits>::native_handle_type;
+# endif
_LIBCPP_HIDE_FROM_ABI basic_ifstream();
_LIBCPP_HIDE_FROM_ABI explicit basic_ifstream(const char* __s, ios_base::openmode __mode = ios_base::in);
@@ -1041,6 +1076,9 @@ public:
_LIBCPP_HIDE_FROM_ABI void swap(basic_ifstream& __rhs);
_LIBCPP_HIDE_FROM_ABI basic_filebuf<char_type, traits_type>* rdbuf() const;
+# if _LIBCPP_STD_VER >= 26
+ _LIBCPP_HIDE_FROM_ABI native_handle_type native_handle() const noexcept { return rdbuf()->native_handle(); }
+# endif
_LIBCPP_HIDE_FROM_ABI bool is_open() const;
void open(const char* __s, ios_base::openmode __mode = ios_base::in);
# ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR
@@ -1171,6 +1209,9 @@ public:
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
+# if _LIBCPP_STD_VER >= 26
+ using native_handle_type = typename basic_filebuf<_CharT, _Traits>::native_handle_type;
+# endif
_LIBCPP_HIDE_FROM_ABI basic_ofstream();
_LIBCPP_HIDE_FROM_ABI explicit basic_ofstream(const char* __s, ios_base::openmode __mode = ios_base::out);
@@ -1190,6 +1231,9 @@ public:
_LIBCPP_HIDE_FROM_ABI void swap(basic_ofstream& __rhs);
_LIBCPP_HIDE_FROM_ABI basic_filebuf<char_type, traits_type>* rdbuf() const;
+# if _LIBCPP_STD_VER >= 26
+ _LIBCPP_HIDE_FROM_ABI native_handle_type native_handle() const noexcept { return rdbuf()->native_handle(); }
+# endif
_LIBCPP_HIDE_FROM_ABI bool is_open() const;
void open(const char* __s, ios_base::openmode __mode = ios_base::out);
# ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR
@@ -1321,6 +1365,9 @@ public:
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
+# if _LIBCPP_STD_VER >= 26
+ using native_handle_type = typename basic_filebuf<_CharT, _Traits>::native_handle_type;
+# endif
_LIBCPP_HIDE_FROM_ABI basic_fstream();
_LIBCPP_HIDE_FROM_ABI explicit basic_fstream(const char* __s,
@@ -1345,6 +1392,9 @@ public:
_LIBCPP_HIDE_FROM_ABI void swap(basic_fstream& __rhs);
_LIBCPP_HIDE_FROM_ABI basic_filebuf<char_type, traits_type>* rdbuf() const;
+# if _LIBCPP_STD_VER >= 26
+ _LIBCPP_HIDE_FROM_ABI native_handle_type native_handle() const noexcept { return rdbuf()->native_handle(); }
+# endif
_LIBCPP_HIDE_FROM_ABI bool is_open() const;
_LIBCPP_HIDE_FROM_ABI void open(const char* __s, ios_base::openmode __mode = ios_base::in | ios_base::out);
# ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR
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