gcc/libstdc++-v3
Jonathan Wakely b02923592a Add support for opening file streams from wide character strings
C++17 added new overloads to <fstream> class templates to support
opening files from wide character strings "on systems where
filesystem::path::value_type is not char". This patch adds those
overloads conditional on _wfopen being available, and enables them for
pre-C++17 modes as well.

	Add support for opening file streams from wide character strings.
	* config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
	(__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
	Define new overload.
	* config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
	(__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
	Declare new overload.
	* configure.ac: Check for _wfopen.
	* crossconfig.m4: Likewise.
	* configure: Regenerate.
	* config.h.in: Regenerate.
	* include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
	(basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
	Define new overload.
	* include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
	(basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
	Declare new overload.
	[_GLIBCXX_HAVE__WFOPEN]
	(basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
	(basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
	(basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
	(basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
	(basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
	(basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
	new overloads.
	* testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
	* testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
	* testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
	* testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
	* testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
	* testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
	* testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.

From-SVN: r260479
2018-05-21 18:18:35 +01:00
..
config Add support for opening file streams from wide character strings 2018-05-21 18:18:35 +01:00
doc Document Dual ABI for std::ios_base::failure 2018-05-10 20:13:42 +01:00
include Add support for opening file streams from wide character strings 2018-05-21 18:18:35 +01:00
libsupc++ Some libstdc++ fixes for -Wdeprecated-copy. 2018-05-18 16:02:14 -04:00
po Update copyright years. 2018-01-03 11:03:58 +01:00
python printers.py (build_libstdcxx_dictionary): Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers registration. 2018-03-09 05:56:07 +00:00
scripts Update copyright years. 2018-01-03 11:03:58 +01:00
src Fix std::filesystem::absolute for empty paths 2018-05-21 13:52:44 +01:00
testsuite Add support for opening file streams from wide character strings 2018-05-21 18:18:35 +01:00
acinclude.m4 PR libstdc++/84654 Disable __float128 specializations for -mno-float128 2018-05-01 23:47:33 +01:00
aclocal.m4
ChangeLog Add support for opening file streams from wide character strings 2018-05-21 18:18:35 +01:00
ChangeLog-1998
ChangeLog-1999
ChangeLog-2000
ChangeLog-2001
ChangeLog-2002
ChangeLog-2003
ChangeLog-2004
ChangeLog-2005
ChangeLog-2006
ChangeLog-2007
ChangeLog-2008
ChangeLog-2009
ChangeLog-2010
ChangeLog-2011
ChangeLog-2012
ChangeLog-2013
ChangeLog-2014
ChangeLog-2015
ChangeLog-2016
ChangeLog-2017 Update copyright years. 2018-01-03 11:03:58 +01:00
config.h.in Add support for opening file streams from wide character strings 2018-05-21 18:18:35 +01:00
configure Add support for opening file streams from wide character strings 2018-05-21 18:18:35 +01:00
configure.ac Add support for opening file streams from wide character strings 2018-05-21 18:18:35 +01:00
configure.host
crossconfig.m4 Add support for opening file streams from wide character strings 2018-05-21 18:18:35 +01:00
fragment.am
linkage.m4
Makefile.am Update copyright years. 2018-01-03 11:03:58 +01:00
Makefile.in Enable building libstdc++-v3 with Intel CET 2017-11-17 22:28:10 +01:00
README

file: libstdc++-v3/README

New users may wish to point their web browsers to the file
index.html in the 'doc/html' subdirectory.  It contains brief
building instructions and notes on how to configure the library in
interesting ways.