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basic_file.h (get_fileno): Remove.

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2001-03-26  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/basic_file.h (get_fileno): Remove.
	(_M_fileno): Remove.
	(_M_cfile_created): Add.
	(basic_file::basic_file(__c_file_type*, openmode): Add.
	(basic_file::basic_file(int, const char*, openmode): Remove.
	* include/bits/fstream.tcc (basic_fstream::basic_filebuf(int __fd,
	const char*, ios_base::openmode): Don't allocate
	internal buffers. Turn off internal buffers.
	(basic_filebuf::overflow): Remove test for null buffer.
	(basic_filebuf::_M_really_overflow): Same. Allow unbuffered use.
	* include/bits/streambuf.cc: Tweak.
	* include/bits/std_ostream.h: Tweak.
	* config/basic_file_libio.h: Same.
	* config/basic_file_stdio.h: Same.
	* src/ios.cc (ios_base::Init::Init()): Unbuffer stdout by default.
	* testsuite/27_io/filebuf_members.cc: Tweaks.
	* testsuite/27_io/ios_base_members_static.cc: Tweaks.

From-SVN: r40863
This commit is contained in:
Benjamin Kosnik 2001-03-27 03:48:17 +00:00 committed by Benjamin Kosnik
parent 7c5b92c459
commit 5fa9abc3e9
11 changed files with 85 additions and 100 deletions
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20
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,23 @@
2001-03-26 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/basic_file.h (get_fileno): Remove.
(_M_fileno): Remove.
(_M_cfile_created): Add.
(basic_file::basic_file(__c_file_type*, openmode): Add.
(basic_file::basic_file(int, const char*, openmode): Remove.
* include/bits/fstream.tcc (basic_fstream::basic_filebuf(int __fd,
const char*, ios_base::openmode): Don't allocate
internal buffers. Turn off internal buffers.
(basic_filebuf::overflow): Remove test for null buffer.
(basic_filebuf::_M_really_overflow): Same. Allow unbuffered use.
* include/bits/streambuf.cc: Tweak.
* include/bits/std_ostream.h: Tweak.
* config/basic_file_libio.h: Same.
* config/basic_file_stdio.h: Same.
* src/ios.cc (ios_base::Init::Init()): Unbuffer stdout by default.
* testsuite/27_io/filebuf_members.cc: Tweaks.
* testsuite/27_io/ios_base_members_static.cc: Tweaks.
2001-03-24 Phil Edwards <pme@sources.redhat.com>
* Makefile.am: New targets, doxygen and doxygen-maint.

12
libstdc++-v3/config/basic_file_libio.h
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@ -127,12 +127,6 @@ namespace std
__basic_file<wchar_t>::doallocate();
#endif
// Generic definitions for __basic_file
template<typename _CharT>
int
__basic_file<_CharT>::get_fileno(void)
{ return _fileno; }
template<typename _CharT>
__basic_file<_CharT>::~__basic_file()
{ _IO_file_finish(this, 0); }
@ -189,9 +183,11 @@ namespace std
template<typename _CharT>
__basic_file<_CharT>*
__basic_file<_CharT>::sys_open(int __fd, ios_base::openmode __mode)
__basic_file<_CharT>::sys_open(__c_file_type* __f,
ios_base::openmode __mode)
{
__basic_file* __ret = NULL;
int __fd = fileno(__f);
int __p_mode = 0;
int __rw_mode = _IO_NO_READS + _IO_NO_WRITES;
char __c_mode[4];
@ -201,7 +197,7 @@ namespace std
if (!_IO_file_is_open(this))
{
_fileno = __fd;
_flags &= ~(_IO_NO_READS+_IO_NO_WRITES);
_flags &= ~(_IO_NO_READS + _IO_NO_WRITES);
_flags |= _IO_DELETE_DONT_CLOSE;
_offset = _IO_pos_BAD;
int __mask = _IO_NO_READS + _IO_NO_WRITES + _IO_IS_APPENDING;

38
libstdc++-v3/config/basic_file_stdio.h
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@ -38,13 +38,8 @@ namespace std
// Generic definitions for __basic_file
template<typename _CharT>
__basic_file<_CharT>::__basic_file(__c_lock* /*__lock*/)
: _M_fileno(-1), _M_cfile(NULL) { }
: _M_cfile(NULL), _M_cfile_created(false) { }
template<typename _CharT>
int
__basic_file<_CharT>::get_fileno(void)
{ return _M_fileno; }
template<typename _CharT>
__basic_file<_CharT>::~__basic_file()
{
@ -85,24 +80,15 @@ namespace std
template<typename _CharT>
__basic_file<_CharT>*
__basic_file<_CharT>::sys_open(int __fd, ios_base::openmode __mode)
__basic_file<_CharT>::sys_open(__c_file_type* __file, ios_base::openmode)
{
__basic_file* __ret = NULL;
int __p_mode = 0;
int __rw_mode = 0;
char __c_mode[4];
_M_open_mode(__mode, __p_mode, __rw_mode, __c_mode);
int __dupfd = dup(__fd);
if (__dupfd != -1 && !this->is_open())
if (!this->is_open() && __file)
{
if ((_M_cfile = fdopen(__dupfd, __c_mode)))
{
_M_fileno = __dupfd;
__ret = this;
}
_M_cfile = __file;
_M_cfile_created = false;
__ret = this;
}
return __ret;
@ -124,7 +110,7 @@ namespace std
{
if ((_M_cfile = fopen(__name, __c_mode)))
{
_M_fileno = fileno(_M_cfile);
_M_cfile_created = true;
__ret = this;
}
}
@ -133,19 +119,15 @@ namespace std
template<typename _CharT>
bool
__basic_file<_CharT>::is_open() { return _M_fileno >= 0; }
__basic_file<_CharT>::is_open() { return _M_cfile != 0; }
template<typename _CharT>
__basic_file<_CharT>*
__basic_file<_CharT>::close()
{
__basic_file* __retval = static_cast<__basic_file*>(NULL);
bool __testopen = fclose(_M_cfile);
if (!__testopen)
{
__retval = this;
_M_fileno = -1;
}
if (_M_cfile_created && fclose(_M_cfile))
__retval = this;
return __retval;
}

8
libstdc++-v3/include/bits/basic_file.h
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@ -121,8 +121,8 @@ namespace std
#endif
{
#if _GLIBCPP_BASIC_FILE_ENCAPSULATION
int _M_fileno;
__c_file_type* _M_cfile;
bool _M_cfile_created;
#else
# ifdef _GLIBCPP_USE_WCHAR_T
__c_wfile_type _M_wfile;
@ -145,7 +145,7 @@ namespace std
// just sets __c_file_type->_fileno and the respective _flags bits, and
// returns.
__basic_file*
sys_open(int __fd, ios_base::openmode __mode);
sys_open(__c_file_type* __file, ios_base::openmode __mode);
__basic_file*
close();
@ -153,9 +153,6 @@ namespace std
bool
is_open();
// Needed by ios_base::sync_with_stdio.
int get_fileno(void);
// NB: Must match FILE specific jump table starting here--this
// means all virtual functions starting with the dtor must match,
// slot by slot. For glibc-based dystems, this means the _IO_FILE
@ -247,4 +244,3 @@ namespace std
#include <bits/basic_file_model.h>
#endif // _CPP_BASIC_FILE

42
libstdc++-v3/include/bits/fstream.tcc
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@ -90,24 +90,14 @@ namespace std
template<typename _CharT, typename _Traits>
basic_filebuf<_CharT, _Traits>::
basic_filebuf(int __fd, const char* /*__name*/, ios_base::openmode __mode)
basic_filebuf(__c_file_type* __f, ios_base::openmode __mode)
: __streambuf_type(), _M_file(NULL), _M_state_cur(__state_type()),
_M_state_beg(__state_type()), _M_last_overflowed(false)
{
_M_filebuf_init();
_M_file->sys_open(__fd, __mode);
_M_file->sys_open(__f, __mode);
if (this->is_open())
{
_M_allocate_buffers();
_M_mode = __mode;
// XXX So that istream::getc() will only need to get 1 char,
// as opposed to BUF_SIZE.
if (__fd == 0)
_M_buf_size = 1;
this->_M_set_indeterminate();
}
_M_mode = __mode;
}
template<typename _CharT, typename _Traits>
@ -382,12 +372,12 @@ namespace std
overflow(int_type __c)
{
int_type __ret = traits_type::eof();
bool __testpos = _M_out_cur && _M_out_cur >= _M_buf + _M_buf_size;
bool __testput = _M_out_cur && _M_out_cur < _M_buf + _M_buf_size;
bool __testout = _M_mode & ios_base::out;
if (__testout)
{
if (!__testpos)
if (__testput)
{
*_M_out_cur = traits_type::to_char_type(__c);
_M_out_cur_move(1);
@ -408,20 +398,24 @@ namespace std
{
int_type __ret = traits_type::eof();
bool __testput = _M_out_cur && _M_out_beg < _M_out_end;
if (__testput)
bool __testunbuffered = _M_file && !_M_buf_size;
if (__testput || __testunbuffered)
{
bool __testeof = traits_type::eq_int_type(__c, traits_type::eof());
#if 1
int __plen = _M_out_end - _M_out_beg;
streamsize __len = _M_file->xsputn(_M_out_beg, __plen);
if (!__testeof)
streamsize __len = 0;
if (__plen)
__len = _M_file->xsputn(_M_out_beg, __plen);
if (__c !=traits_type::eof())
{
char_type __pending = traits_type::to_char_type(__c);
__len += _M_file->xsputn(&__pending, 1);
++__plen;
char_type __pending = traits_type::to_char_type(__c);
__len += _M_file->xsputn(&__pending, 1);
++__plen;
}
traits_type::to_char_type(__c);
// NB: Need this so that external byte sequence reflects
// internal buffer.
_M_file->sync();

11
libstdc++-v3/include/bits/std_fstream.h
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@ -42,8 +42,8 @@
#include <bits/std_locale.h> // For codecvt
#include <bits/c++threads.h> // For __mutext_type
namespace std {
namespace std
{
template<typename _CharT, typename _Traits>
class basic_filebuf : public basic_streambuf<_CharT, _Traits>
{
@ -86,8 +86,8 @@ namespace std {
basic_filebuf();
// Non-standard ctor:
basic_filebuf(int __fd, const char* __name, ios_base::openmode __mode);
basic_filebuf(__c_file_type* __f, ios_base::openmode __mode);
virtual
~basic_filebuf()
{
@ -399,7 +399,6 @@ namespace std {
setstate (ios_base::failbit);
}
};
} // namespace std
@ -410,5 +409,5 @@ namespace std {
#endif
#endif
#endif /* _CPP_FSTREAM */
#endif

1
libstdc++-v3/include/bits/std_ostream.h
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@ -281,3 +281,4 @@ namespace std
#endif
#endif /* _CPP_OSTREAM */

21
libstdc++-v3/include/bits/streambuf.tcc
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@ -131,10 +131,13 @@ namespace std {
if (__ret < __n)
{
int_type __c = this->uflow();
if (traits_type::eq_int_type(__c, traits_type::eof()))
if (__c != traits_type::eof())
{
traits_type::assign(*__s++, traits_type::to_char_type(__c));
++__ret;
}
else
break;
traits_type::assign(*__s++, traits_type::to_char_type(__c));
++__ret;
}
}
return __ret;
@ -166,12 +169,14 @@ namespace std {
if (__ret < __n)
{
int_type __c = traits_type::to_int_type(*__s);
int_type __overfc = this->overflow(__c);
if (traits_type::eq_int_type(__overfc, traits_type::eof()))
int_type __c = this->overflow(traits_type::to_int_type(*__s));
if (__c != traits_type::eof())
{
++__ret;
++__s;
}
else
break;
++__ret;
++__s;
}
}
return __ret;

12
libstdc++-v3/src/ios.cc
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@ -140,9 +140,9 @@ namespace std
// NB: std_iostream.h creates the four standard files with
// NULL buffers. At this point, we swap out these placeholder
// objects for the properly-constructed ones
_M_cout = new filebuf(1, "stdout", ios_base::out);
_M_cin = new filebuf(0, "stdin", ios_base::in);
_M_cerr = new filebuf(2, "stderr", ios_base::out);
_M_cout = new filebuf(stdout, ios_base::out);
_M_cin = new filebuf(stdin, ios_base::in);
_M_cerr = new filebuf(stderr, ios_base::out);
new (&cout) ostream(_M_cout);
new (&cin) istream(_M_cin);
new (&cerr) ostream(_M_cerr);
@ -151,9 +151,9 @@ namespace std
cerr.flags(ios_base::unitbuf);
#ifdef _GLIBCPP_USE_WCHAR_T
_M_wcout = new wfilebuf(1, "stdout", ios_base::out);
_M_wcin = new wfilebuf(0, "stdin", ios_base::in);
_M_wcerr = new wfilebuf(2, "stderr", ios_base::out);
_M_wcout = new wfilebuf(stdout, ios_base::out);
_M_wcin = new wfilebuf(stdin, ios_base::in);
_M_wcerr = new wfilebuf(stderr, ios_base::out);
new (&wcout) wostream(_M_wcout);
new (&wcin) wistream(_M_wcin);
new (&wcerr) wostream(_M_wcerr);

12
libstdc++-v3/testsuite/27_io/filebuf_members.cc
View File

@ -49,28 +49,24 @@ test_01()
int close_num;
// read (ext)
int fd = open(name_01, O_RDONLY);
VERIFY( fd >= 0 );
FILE* f2 = fopen(name_01, "r");
VERIFY( f2 != NULL );
{
std::filebuf fb(fd, "double_read", std::ios_base::in);
std::filebuf fb(f2, std::ios_base::in);
}
close_num = close(fd);
close_num = fclose(f2);
VERIFY( close_num == 0 );
// read (standard)
FILE* f = fopen(name_01, "r");
VERIFY( f != NULL );
{
std::ifstream ifstream1(name_01);
VERIFY( ifstream1.is_open() );
std::ios_base::iostate st01 = ifstream1.rdstate();
VERIFY( st01 == std::ios_base::goodbit );
}
close_num = fclose(f);
VERIFY( close_num == 0 );

8
libstdc++-v3/testsuite/27_io/ios_base_members_static.cc
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@ -36,23 +36,19 @@ void
test01()
{
std::ios_base::sync_with_stdio();
std::freopen("ios_base_members_static-1.txt", "w", stdout);
for (int i = 0; i < 2; i++)
{
std::printf("1");
std::cout << "2";
std::putc('3', stdout); // std::stdout doesn't work here
std::putc('3', stdout);
std::cout << '4';
std::fputs("5", stdout);
std::cout << 6;
std::putchar('7');
std::cout << 8 << '9';
if (i)
std::printf ("0\n");
else
std::cout << "0" << std::endl;
std::printf("0\n");
}
}