+++ /dev/null
-/*
- * Copyright (c) 1999
- * Silicon Graphics Computer Systems, Inc.
- *
- * Copyright (c) 1999
- * Boris Fomitchev
- *
- * This material is provided "as is", with absolutely no warranty expressed
- * or implied. Any use is at your own risk.
- *
- * Permission to use or copy this software for any purpose is hereby granted
- * without fee, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- *
- */
-#include "stlport_prefix.h"
-
-#include <memory>
-#include <istream>
-#include <fstream>
-#if defined (_STLP_MSVC) || defined (__MWERKS__) || defined (__ICL) || defined (__ISCPP__)
-# define _STLP_USE_NOT_INIT_SEGMENT
-# include <iostream>
-#endif
-
-#include "stdio_streambuf.h"
-#include "aligned_buffer.h"
-#include "_stdio_file.h"
-#include "c_locale.h"
-
-// boris : note this is repeated in <iostream>
-#ifndef _STLP_USE_NAMESPACES
-// in case of SGI iostreams, we have to rename our streams not to clash with those
-// provided in native lib
-# define cin _STLP_cin
-# define cout _STLP_cout
-# define cerr _STLP_cerr
-# define clog _STLP_clog
-#endif
-
-_STLP_BEGIN_NAMESPACE
-
-// This file handles iostream initialization. It is inherently
-// nonportable, since the C++ language definition provides no mechanism
-// for controlling order of initialization of nonlocal objects.
-// Initialization has three parts, which must be performed in the following
-// order:
-// (1) Initialize the locale system
-// (2) Call the constructors for the eight global stream objects.
-// (3) Create streambufs for the global stream objects, and initialize
-// the stream objects by calling the init() member function.
-
-
-#if defined (_STLP_USE_NOT_INIT_SEGMENT)
-
-// Definitions of the eight global I/O objects that are declared in
-// <iostream>. For some compilers we use pragmas to put the global I/O
-// objects into an initialization segment that will not
-// be executed. We then explicitly invoke the constructors
-// with placement new in ios_base::_S_initialize()
-
-# if defined (__MWERKS__)
-# pragma suppress_init_code on
-# else
-# pragma init_seg("STLPORT_NO_INIT")
-# endif
-
-_STLP_DECLSPEC istream cin(0);
-_STLP_DECLSPEC ostream cout(0);
-_STLP_DECLSPEC ostream cerr(0);
-_STLP_DECLSPEC ostream clog(0);
-
-# ifndef _STLP_NO_WCHAR_T
-_STLP_DECLSPEC wistream wcin(0);
-_STLP_DECLSPEC wostream wcout(0);
-_STLP_DECLSPEC wostream wcerr(0);
-_STLP_DECLSPEC wostream wclog(0);
-# endif
-
-# if defined (__MWERKS__)
-# pragma suppress_init_code off
-# endif
-
-#else
-
-// Definitions of the eight global I/O objects that are declared in
-// <iostream>. Disgusting hack: we deliberately define them with the
-// wrong types so that the constructors don't get run automatically.
-// We need special tricks to make sure that these objects are struct-
-// aligned rather than byte-aligned.
-
-// This is not portable. Declaring a variable with different types in
-// two translations units is "undefined", according to the C++ standard.
-// Most compilers, however, silently accept this instead of diagnosing
-// it as an error.
-
-# ifndef __DMC__
-_STLP_DECLSPEC _Stl_aligned_buffer<istream> cin;
-_STLP_DECLSPEC _Stl_aligned_buffer<ostream> cout;
-_STLP_DECLSPEC _Stl_aligned_buffer<ostream> cerr;
-_STLP_DECLSPEC _Stl_aligned_buffer<ostream> clog;
-# else
-_Stl_aligned_buffer<istream> cin;
-_Stl_aligned_buffer<ostream> cout;
-_Stl_aligned_buffer<ostream> cerr;
-_Stl_aligned_buffer<ostream> clog;
-
-# pragma alias("?cin@std@@3V?$basic_istream@std@DV?$char_traits@std@D@1@@1@A", "?cin@std@@3T?$_Stl_aligned_buffer@std@V?$basic_istream@std@DV?$char_traits@std@D@1@@1@@1@A")
-# pragma alias("?cout@std@@3V?$basic_ostream@std@DV?$char_traits@std@D@1@@1@A", "?cout@std@@3T?$_Stl_aligned_buffer@std@V?$basic_ostream@std@DV?$char_traits@std@D@1@@1@@1@A")
-# pragma alias("?cerr@std@@3V?$basic_ostream@std@DV?$char_traits@std@D@1@@1@A", "?cerr@std@@3T?$_Stl_aligned_buffer@std@V?$basic_ostream@std@DV?$char_traits@std@D@1@@1@@1@A")
-# pragma alias("?clog@std@@3V?$basic_ostream@std@DV?$char_traits@std@D@1@@1@A", "?clog@std@@3T?$_Stl_aligned_buffer@std@V?$basic_ostream@std@DV?$char_traits@std@D@1@@1@@1@A")
-# endif
-
-# ifndef _STLP_NO_WCHAR_T
-
-# ifndef __DMC__
-_STLP_DECLSPEC _Stl_aligned_buffer<wistream> wcin;
-_STLP_DECLSPEC _Stl_aligned_buffer<wostream> wcout;
-_STLP_DECLSPEC _Stl_aligned_buffer<wostream> wcerr;
-_STLP_DECLSPEC _Stl_aligned_buffer<wostream> wclog;
-# else
-_Stl_aligned_buffer<wistream> wcin;
-_Stl_aligned_buffer<wostream> wcout;
-_Stl_aligned_buffer<wostream> wcerr;
-_Stl_aligned_buffer<wostream> wclog;
-
-# pragma alias("?wcin@std@@3V?$basic_istream@std@_YV?$char_traits@std@_Y@1@@1@A", "?wcin@std@@3T?$_Stl_aligned_buffer@std@V?$basic_istream@std@_YV?$char_traits@std@_Y@1@@1@@1@A")
-# pragma alias("?wcout@std@@3V?$basic_ostream@std@_YV?$char_traits@std@_Y@1@@1@A", "?wcout@std@@3T?$_Stl_aligned_buffer@std@V?$basic_ostream@std@_YV?$char_traits@std@_Y@1@@1@@1@A")
-# pragma alias("?wcerr@std@@3V?$basic_ostream@std@_YV?$char_traits@std@_Y@1@@1@A", "?wcerr@std@@3T?$_Stl_aligned_buffer@std@V?$basic_ostream@std@_YV?$char_traits@std@_Y@1@@1@@1@A")
-# pragma alias("?wclog@std@@3V?$basic_ostream@std@_YV?$char_traits@std@_Y@1@@1@A", "?wclog@std@@3T?$_Stl_aligned_buffer@std@V?$basic_ostream@std@_YV?$char_traits@std@_Y@1@@1@@1@A")
-# endif
-# endif
-#endif /* STL_MSVC || __MWERKS__ */
-
-// Member functions from class ios_base and ios_base::Init
-
-long ios_base::Init::_S_count = 0;
-// by default, those are synced
-bool ios_base::_S_is_synced = true;
-
-ios_base::Init::Init() {
- if (_S_count++ == 0) {
- _Locale_init();
- ios_base::_S_initialize();
- _Filebuf_base::_S_initialize();
- }
-}
-
-ios_base::Init::~Init() {
- if (--_S_count == 0) {
- ios_base::_S_uninitialize();
- _Locale_final();
- }
-}
-
-static int _Stl_extract_open_param(FILE* f)
-{ return _FILE_fd(f); }
-
-#ifdef _STLP_REDIRECT_STDSTREAMS
-static const char* _Stl_extract_open_param(const char* name)
-{ return name; }
-#endif
-
-template <class _Tp>
-static filebuf*
-_Stl_create_filebuf(_Tp x, ios_base::openmode mode ) {
- auto_ptr<filebuf> result(new basic_filebuf<char, char_traits<char> >());
- result->open(_Stl_extract_open_param(x), mode);
-
- if (result->is_open())
- return result.release();
-
- return 0;
-}
-
-#if !defined (_STLP_NO_WCHAR_T)
-static wfilebuf*
-_Stl_create_wfilebuf(FILE* f, ios_base::openmode mode) {
- auto_ptr<wfilebuf> result(new basic_filebuf<wchar_t, char_traits<wchar_t> >());
- result->_M_open(_FILE_fd(f), mode);
-
- if (result->is_open())
- return result.release();
-
- return 0;
-}
-#endif
-
-void _STLP_CALL ios_base::_S_initialize() {
-#if !defined (_STLP_HAS_NO_NAMESPACES) && !defined (_STLP_DONT_USE_PRIV_NAMESPACE)
- using _STLP_PRIV stdio_istreambuf;
- using _STLP_PRIV stdio_ostreambuf;
-#endif
-
- auto_ptr<streambuf> cin_buf;
- auto_ptr<streambuf> cout_buf;
- auto_ptr<streambuf> cerr_buf;
- auto_ptr<streambuf> clog_buf;
-
- if (_S_is_synced)
- cin_buf.reset(new stdio_istreambuf(stdin));
- else
- cin_buf.reset(_Stl_create_filebuf(stdin, ios_base::in));
-
- if (_S_is_synced) {
-#ifdef _STLP_REDIRECT_STDSTREAMS
- cout_buf.reset(_Stl_create_filebuf("/stdout.txt", ios::out));
- cerr_buf.reset(_Stl_create_filebuf("/stderr.txt", ios::out));
- clog_buf.reset(_Stl_create_filebuf("/stdlog.txt", ios::out));
-#else
- cout_buf.reset(new stdio_ostreambuf(stdout));
- cerr_buf.reset(new stdio_ostreambuf(stderr));
- clog_buf.reset(new stdio_ostreambuf(stderr));
-#endif
- }
- else {
- cout_buf.reset(_Stl_create_filebuf(stdout, ios_base::out));
- cerr_buf.reset(_Stl_create_filebuf(stderr, ios_base::out));
- clog_buf.reset(_Stl_create_filebuf(stderr, ios_base::out));
- }
-
- istream* ptr_cin = new(&cin) istream(cin_buf.get()); cin_buf.release();
- ostream* ptr_cout = new(&cout) ostream(cout_buf.get()); cout_buf.release();
- ostream* ptr_cerr = new(&cerr) ostream(cerr_buf.get()); cerr_buf.release();
- /*ostream* ptr_clog = */ new(&clog) ostream(clog_buf.get()); clog_buf.release();
- ptr_cin->tie(ptr_cout);
- ptr_cerr->setf(ios_base::unitbuf);
-
-#ifndef _STLP_NO_WCHAR_T
- auto_ptr<wfilebuf> win(_Stl_create_wfilebuf(stdin, ios_base::in));
- auto_ptr<wfilebuf> wout(_Stl_create_wfilebuf(stdout, ios_base::out));
- auto_ptr<wfilebuf> werr(_Stl_create_wfilebuf(stderr, ios_base::out));
- auto_ptr<wfilebuf> wlog(_Stl_create_wfilebuf(stderr, ios_base::out));
-
- // Run constructors for the four wide stream objects.
- wistream* ptr_wcin = new(&wcin) wistream(win.get()); win.release();
- wostream* ptr_wcout = new(&wcout) wostream(wout.get()); wout.release();
- wostream* ptr_wcerr = new(&wcerr) wostream(werr.get()); werr.release();
- /*wostream* ptr_wclog = */ new(&wclog) wostream(wlog.get()); wlog.release();
-
- ptr_wcin->tie(ptr_wcout);
- ptr_wcerr->setf(ios_base::unitbuf);
-#endif
-}
-
-void _STLP_CALL ios_base::_S_uninitialize() {
- // Note that destroying output streambufs flushes the buffers.
- istream* ptr_cin = &cin;
- ostream* ptr_cout = &cout;
- ostream* ptr_cerr = &cerr;
- ostream* ptr_clog = &clog;
-
- // We don't want any exceptions being thrown here
- ptr_cin->exceptions(0);
- ptr_cout->exceptions(0);
- ptr_cerr->exceptions(0);
- ptr_clog->exceptions(0);
-
- delete ptr_cin->rdbuf(0);
- delete ptr_cout->rdbuf(0);
- delete ptr_cerr->rdbuf(0);
- delete ptr_clog->rdbuf(0);
-
- _Destroy(ptr_cin);
- _Destroy(ptr_cout);
- _Destroy(ptr_cerr);
- _Destroy(ptr_clog);
-
-#ifndef _STLP_NO_WCHAR_T
- wistream* ptr_wcin = &wcin;
- wostream* ptr_wcout = &wcout;
- wostream* ptr_wcerr = &wcerr;
- wostream* ptr_wclog = &wclog;
-
- // We don't want any exceptions being thrown here
- ptr_wcin->exceptions(0);
- ptr_wcout->exceptions(0);
- ptr_wcerr->exceptions(0);
- ptr_wclog->exceptions(0);
-
- delete ptr_wcin->rdbuf(0);
- delete ptr_wcout->rdbuf(0);
- delete ptr_wcerr->rdbuf(0);
- delete ptr_wclog->rdbuf(0);
-
- _Destroy(ptr_wcin);
- _Destroy(ptr_wcout);
- _Destroy(ptr_wcerr);
- _Destroy(ptr_wclog);
-#endif
-}
-
-
-bool _STLP_CALL ios_base::sync_with_stdio(bool sync) {
-# if !defined (_STLP_HAS_NO_NAMESPACES) && !defined (_STLP_DONT_USE_PRIV_NAMESPACE)
- using _STLP_PRIV stdio_istreambuf;
- using _STLP_PRIV stdio_ostreambuf;
-# endif
-
- if (sync == _S_is_synced) return sync;
-
- // if by any chance we got there before std streams initialization,
- // just set the sync flag and exit
- if (Init::_S_count == 0) {
- _S_is_synced = sync;
- return sync;
- }
-
- auto_ptr<streambuf> cin_buf;
- auto_ptr<streambuf> cout_buf;
- auto_ptr<streambuf> cerr_buf;
- auto_ptr<streambuf> clog_buf;
-
- if (sync)
- cin_buf.reset(new stdio_istreambuf(stdin));
- else
- cin_buf.reset(_Stl_create_filebuf(stdin, ios_base::in));
-
- if (sync) {
-#ifdef _STLP_REDIRECT_STDSTREAMS
- cout_buf.reset(_Stl_create_filebuf("/stdout.txt", ios::out));
- cerr_buf.reset(_Stl_create_filebuf("/stderr.txt", ios::out));
- clog_buf.reset(_Stl_create_filebuf("/stdlog.txt", ios::out));
-#else
- cout_buf.reset(new stdio_ostreambuf(stdout));
- cerr_buf.reset(new stdio_ostreambuf(stderr));
- clog_buf.reset(new stdio_ostreambuf(stderr));
-#endif
- }
- else {
- cout_buf.reset(_Stl_create_filebuf(stdout, ios_base::out));
- cerr_buf.reset(_Stl_create_filebuf(stderr, ios_base::out));
- clog_buf.reset(_Stl_create_filebuf(stderr, ios_base::out));
- }
-
- if (cin_buf.get() != 0 && cout_buf.get() != 0 && cerr_buf.get() != 0 && clog_buf.get() != 0) {
- // When streambuf passed to rdbuf is not null, rdbuf is exception safe:
- delete (&cin)->rdbuf(cin_buf.release());
- delete (&cout)->rdbuf(cout_buf.release());
- delete (&cerr)->rdbuf(cerr_buf.release());
- delete (&clog)->rdbuf(clog_buf.release());
- _S_is_synced = sync;
- }
-
- return _S_is_synced;
-}
-
-_STLP_END_NAMESPACE
-
-// Local Variables:
-// mode:C++
-// End:
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