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fstream.tcc (basic_filebuf::basic_filebuf(fd)): Use it.

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2000-06-23  Benjamin Kosnik  <bkoz@purist.soma.redhat.com>

	* bits/fstream.tcc (basic_filebuf::basic_filebuf(fd)): Use it.
	(basic_filebuf::close): Use it.
	* bits/std_fstream.h (basic_filebuf): Remove default arguments for
	filebuf ctor.
	(basic_filebuf): Add _M_fileno_based data member.
        As reported by brent verner <brent@rcfile.org>
	* testsuite/27_io/filebuf_members.cc: New file.
	* testsuite/27_io/filebuf_members-1.tst: New file.

From-SVN: r34673
This commit is contained in:
Benjamin Kosnik 2000-06-24 00:56:05 +00:00 • committed by Benjamin Kosnik
parent ba5fbc87e3
commit 81ef147959
3 changed files with 26 additions and 10 deletions
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9
libstdc++-v3/ChangeLog
View file

@ -1,5 +1,14 @@
2000-06-23 Benjamin Kosnik <bkoz@purist.soma.redhat.com>
* bits/fstream.tcc (basic_filebuf::basic_filebuf(fd)): Use it.
(basic_filebuf::close): Use it.
* bits/std_fstream.h (basic_filebuf): Remove default arguments for
filebuf ctor.
(basic_filebuf): Add _M_fileno_based data member.
As reported by brent verner <brent@rcfile.org>
* testsuite/27_io/filebuf_members.cc: New file.
* testsuite/27_io/filebuf_members-1.tst: New file.
* bits/std_fstream.h: Formatting tweaks.
* testsuite/27_io/ofstream_members.cc: New file.
* testsuite/27_io/ofstream_members-1.tst: New file.

19
libstdc++-v3/bits/fstream.tcc
View file

@ -55,19 +55,20 @@ namespace std
template<typename _CharT, typename _Traits>
basic_filebuf<_CharT, _Traits>::
basic_filebuf()
: __streambuf_type(), _M_file(NULL), _M_last_overflowed(false),
_M_state_cur(), _M_state_beg()
: __streambuf_type(), _M_file(NULL), _M_state_cur(), _M_state_beg(),
_M_last_overflowed(false), _M_fileno_based(false)
{ _M_fcvt = &use_facet<__codecvt_type>(this->getloc()); }
template<typename _CharT, typename _Traits>
basic_filebuf<_CharT, _Traits>::
basic_filebuf(int __fd, const char* /*__name*/, ios_base::openmode __mode)
: __streambuf_type(), _M_last_overflowed(false),
_M_state_cur(), _M_state_beg()
: __streambuf_type(), _M_state_cur(), _M_state_beg(),
_M_last_overflowed(false)
{
_M_fcvt = &use_facet<__codecvt_type>(this->getloc());
_M_init_filebuf();
_M_fileno_based = true;
_M_file->sys_open(__fd, __mode);
if (this->is_open() && _M_buf_size)
{
@ -142,8 +143,14 @@ namespace std
_M_really_overflow(traits_type::eof());
}
#endif
if (_M_file->close())
bool __testclosed;
if (_M_fileno_based)
__testclosed = _M_file->sys_close();
else
__testclosed = _M_file->close();
if (__testclosed)
{
_M_mode = ios_base::openmode(0);
if (_M_buf_size)

8
libstdc++-v3/bits/std_fstream.h
View file

@ -66,19 +66,19 @@ namespace std {
private:
// Data Members:
__file_type* _M_file;
bool _M_last_overflowed; // XXX Needed?
__state_type _M_state_cur;// Current state type for codecvt.
__state_type _M_state_beg;
const __codecvt_type* _M_fcvt; // Cached value from use_facet.
__mutext_type _M_lock;
bool _M_last_overflowed; // XXX Needed?
bool _M_fileno_based; // Open/closed via filenos.
public:
// Constructors/destructor:
basic_filebuf();
// Non-standard ctor:
basic_filebuf(int __fd, const char* __name = "unknown",
ios_base::openmode __mode = ios_base::in | ios_base::out);
basic_filebuf(int __fd, const char* __name, ios_base::openmode __mode);
virtual
~basic_filebuf()