| 0,0 → 1,755 |
|---|
| // Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 2, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING. If not, write to the Free |
| // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| // USA. |
| |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| |
| // |
| // ISO C++ 14882: 27.6.2 Output streams |
| // |
| |
| #include <bits/std_locale.h> |
| |
| namespace std |
| { |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>::sentry:: |
| sentry(basic_ostream<_CharT,_Traits>& __os) |
| : _M_ok(__os.good()), _M_os(__os) |
| { |
| // XXX MT |
| if (_M_ok && __os.tie()) |
| __os.tie()->flush(); |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>:: |
| operator<<(__ostream_type& (*__pf)(__ostream_type&)) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { __pf(*this); } |
| catch(exception& __fail) |
| { |
| // 27.6.2.5.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>:: |
| operator<<(__ios_type& (*__pf)(__ios_type&)) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { __pf(*this); } |
| catch(exception& __fail) |
| { |
| // 27.6.2.5.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>:: |
| operator<<(ios_base& (*__pf)(ios_base&)) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { __pf(*this); } |
| catch(exception& __fail) |
| { |
| // 27.6.2.5.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::operator<<(bool __n) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { |
| if (_M_check_facet(_M_fnumput)) |
| if (_M_fnumput->put(*this, *this, this->fill(), __n).failed()) |
| this->setstate(ios_base::badbit); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::operator<<(long __n) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { |
| char_type __c = this->fill(); |
| ios_base::fmtflags __fmt = this->flags() & ios_base::basefield; |
| if (_M_check_facet(_M_fnumput)) |
| { |
| bool __b = false; |
| if (__fmt & ios_base::oct || __fmt & ios_base::hex) |
| { |
| unsigned long __l = static_cast<unsigned long>(__n); |
| __b = _M_fnumput->put(*this, *this, __c, __l).failed(); |
| } |
| else |
| __b = _M_fnumput->put(*this, *this, __c, __n).failed(); |
| if (__b) |
| this->setstate(ios_base::badbit); |
| } |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::operator<<(unsigned long __n) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { |
| if (_M_check_facet(_M_fnumput)) |
| if (_M_fnumput->put(*this, *this, this->fill(), __n).failed()) |
| this->setstate(ios_base::badbit); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| #ifdef _GLIBCPP_USE_LONG_LONG |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::operator<<(long long __n) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { |
| char_type __c = this->fill(); |
| ios_base::fmtflags __fmt = this->flags() & ios_base::basefield; |
| if (_M_check_facet(_M_fnumput)) |
| { |
| bool __b = false; |
| if (__fmt & ios_base::oct || __fmt & ios_base::hex) |
| { |
| unsigned long long __l; |
| __l = static_cast<unsigned long long>(__n); |
| __b = _M_fnumput->put(*this, *this, __c, __l).failed(); |
| } |
| else |
| __b = _M_fnumput->put(*this, *this, __c, __n).failed(); |
| if (__b) |
| this->setstate(ios_base::badbit); |
| } |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::operator<<(unsigned long long __n) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { |
| if (_M_check_facet(_M_fnumput)) |
| if (_M_fnumput->put(*this, *this, this->fill(), __n).failed()) |
| this->setstate(ios_base::badbit); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| #endif |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::operator<<(double __n) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { |
| if (_M_check_facet(_M_fnumput)) |
| if (_M_fnumput->put(*this, *this, this->fill(), __n).failed()) |
| this->setstate(ios_base::badbit); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::operator<<(long double __n) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { |
| if (_M_check_facet(_M_fnumput)) |
| if (_M_fnumput->put(*this, *this, this->fill(), __n).failed()) |
| this->setstate(ios_base::badbit); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::operator<<(const void* __n) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| try |
| { |
| if (_M_check_facet(_M_fnumput)) |
| if (_M_fnumput->put(*this, *this, this->fill(), __n).failed()) |
| this->setstate(ios_base::badbit); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| this->setstate(ios_base::badbit); |
| if ((this->exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::operator<<(__streambuf_type* __sbin) |
| { |
| streamsize __xtrct = 0; |
| __streambuf_type* __sbout = this->rdbuf(); |
| sentry __cerb(*this); |
| if (__sbin && __cerb) |
| __xtrct = __copy_streambufs(*this, __sbin, __sbout); |
| if (!__sbin || !__xtrct) |
| this->setstate(ios_base::failbit); |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::put(char_type __c) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| int_type __put = rdbuf()->sputc(__c); |
| if (__put != traits_type::to_int_type(__c)) |
| this->setstate(ios_base::badbit); |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::write(const _CharT* __s, streamsize __n) |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| streamsize __put = this->rdbuf()->sputn(__s, __n); |
| if ( __put != __n) |
| this->setstate(ios_base::badbit); |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::flush() |
| { |
| sentry __cerb(*this); |
| if (__cerb) |
| { |
| if (this->rdbuf() && this->rdbuf()->pubsync() == -1) |
| this->setstate(ios_base::badbit); |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| typename basic_ostream<_CharT, _Traits>::pos_type |
| basic_ostream<_CharT, _Traits>::tellp() |
| { |
| pos_type __ret = pos_type(-1); |
| bool __testok = this->fail() != true; |
| |
| if (__testok) |
| __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out); |
| return __ret; |
| } |
| |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>::seekp(pos_type __pos) |
| { |
| bool __testok = this->fail() != true; |
| |
| if (__testok) |
| { |
| #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
| // 136. seekp, seekg setting wrong streams? |
| pos_type __err = this->rdbuf()->pubseekpos(__pos, ios_base::out); |
| |
| // 129. Need error indication from seekp() and seekg() |
| if (__err == pos_type(off_type(-1))) |
| this->setstate(failbit); |
| #endif |
| } |
| return *this; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| basic_ostream<_CharT, _Traits>:: |
| seekp(off_type __off, ios_base::seekdir __d) |
| { |
| bool __testok = this->fail() != true; |
| |
| if (__testok) |
| { |
| #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
| // 136. seekp, seekg setting wrong streams? |
| pos_type __err = this->rdbuf()->pubseekoff(__off, __d, |
| ios_base::out); |
| |
| // 129. Need error indication from seekp() and seekg() |
| if (__err == pos_type(off_type(-1))) |
| this->setstate(failbit); |
| } |
| #endif |
| return *this; |
| } |
| |
| // 27.6.2.5.4 Character inserters |
| |
| // Construct correctly padded string, as per 22.2.2.2.2 |
| // Similar in theory to __pad_numeric, from num_put, but it doesn't |
| // use _S_fill: perhaps it should. |
| // Assumes |
| // __newlen > __oldlen |
| // __news is allocated for __newlen size |
| template<typename _CharT, typename _Traits> |
| void |
| __pad_char(basic_ios<_CharT, _Traits>& __ios, |
| _CharT* __news, const _CharT* __olds, |
| const streamsize __newlen, const streamsize __oldlen) |
| { |
| typedef _CharT char_type; |
| typedef _Traits traits_type; |
| typedef typename traits_type::int_type int_type; |
| |
| int_type __plen = static_cast<size_t>(__newlen - __oldlen); |
| char_type* __pads = static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __plen)); |
| traits_type::assign(__pads, __plen, __ios.fill()); |
| |
| char_type* __beg; |
| char_type* __end; |
| size_t __mod = 0; |
| size_t __beglen; //either __plen or __oldlen |
| ios_base::fmtflags __fmt = __ios.flags() & ios_base::adjustfield; |
| |
| if (__fmt == ios_base::left) |
| { |
| // Padding last. |
| __beg = const_cast<char_type*>(__olds); |
| __beglen = __oldlen; |
| __end = __pads; |
| } |
| else if (__fmt == ios_base::internal) |
| { |
| // Pad after the sign, if there is one. |
| // Pad after 0[xX], if there is one. |
| // Who came up with these rules, anyway? Jeeze. |
| typedef _Format_cache<_CharT> __cache_type; |
| __cache_type const* __fmt = __cache_type::_S_get(__ios); |
| const char_type* __minus = traits_type::find(__olds, __oldlen, |
| __fmt->_S_minus); |
| const char_type* __plus = traits_type::find(__olds, __oldlen, |
| __fmt->_S_plus); |
| bool __testsign = __minus || __plus; |
| bool __testhex = __olds[0] == '0' |
| && (__olds[1] == 'x' || __olds[1] == 'X'); |
| |
| if (__testhex) |
| { |
| __news[0] = __olds[0]; |
| __news[1] = __olds[1]; |
| __mod += 2; |
| __beg = const_cast<char_type*>(__olds + __mod); |
| __beglen = __oldlen - __mod; |
| __end = __pads; |
| } |
| else if (__testsign) |
| { |
| __mod += __plen; |
| const char_type* __sign = __minus ? __minus + 1: __plus + 1; |
| __beg = const_cast<char_type*>(__olds); |
| __beglen = __sign - __olds; |
| __end = const_cast<char_type*>(__sign + __plen); |
| traits_type::copy(__news + __beglen, __pads, __plen); |
| } |
| else |
| { |
| // Padding first. |
| __beg = __pads; |
| __beglen = __plen; |
| __end = const_cast<char_type*>(__olds); |
| } |
| } |
| else |
| { |
| // Padding first. |
| __beg = __pads; |
| __beglen = __plen; |
| __end = const_cast<char_type*>(__olds); |
| } |
| |
| traits_type::copy(__news, __beg, __beglen); |
| traits_type::copy(__news + __beglen, __end, __newlen - __beglen - __mod); |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) |
| { |
| typedef basic_ostream<_CharT, _Traits> __ostream_type; |
| typename __ostream_type::sentry __cerb(__out); |
| if (__cerb) |
| { |
| try |
| { |
| streamsize __w = __out.width(); |
| _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w)); |
| __pads[0] = __c; |
| streamsize __len = 1; |
| if (__w > __len) |
| { |
| __pad_char(__out, __pads, &__c, __w, __len); |
| __len = __w; |
| } |
| __out.write(__pads, __len); |
| __out.width(0); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| __out.setstate(ios_base::badbit); |
| if ((__out.exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return __out; |
| } |
| |
| // Specialization |
| template <class _Traits> |
| basic_ostream<char, _Traits>& |
| operator<<(basic_ostream<char, _Traits>& __out, char __c) |
| { |
| typedef basic_ostream<char, _Traits> __ostream_type; |
| typename __ostream_type::sentry __cerb(__out); |
| if (__cerb) |
| { |
| try |
| { |
| streamsize __w = __out.width(); |
| char* __pads = static_cast<char*>(__builtin_alloca(__w + 1)); |
| __pads[0] = __c; |
| streamsize __len = 1; |
| if (__w > __len) |
| { |
| __pad_char(__out, __pads, &__c, __w, __len); |
| __len = __w; |
| } |
| __out.write(__pads, __len); |
| __out.width(0); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| __out.setstate(ios_base::badbit); |
| if ((__out.exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return __out; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) |
| { |
| typedef basic_ostream<_CharT, _Traits> __ostream_type; |
| typename __ostream_type::sentry __cerb(__out); |
| if (__cerb) |
| { |
| try |
| { |
| streamsize __w = __out.width(); |
| _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w)); |
| streamsize __len = static_cast<streamsize>(_Traits::length(__s)); |
| if (__w > __len) |
| { |
| __pad_char(__out, __pads, __s, __w, __len); |
| __s = __pads; |
| __len = __w; |
| } |
| __out.write(__s, __len); |
| __out.width(0); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| __out.setstate(ios_base::badbit); |
| if ((__out.exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return __out; |
| } |
| |
| template<typename _CharT, typename _Traits> |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) |
| { |
| typedef basic_ostream<_CharT, _Traits> __ostream_type; |
| #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
| // 167. Improper use of traits_type::length() |
| typedef char_traits<char> __ctraits_type; |
| #endif |
| typename __ostream_type::sentry __cerb(__out); |
| if (__cerb) |
| { |
| size_t __clen = __ctraits_type::length(__s); |
| _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * (__clen + 1))); |
| for (size_t __i = 0; __i <= __clen; ++__i) |
| __ws[__i] = __out.widen(__s[__i]); |
| _CharT* __str = __ws; |
| |
| try |
| { |
| streamsize __len = static_cast<streamsize>(__clen); |
| streamsize __w = __out.width(); |
| _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w)); |
| |
| if (__w > __len) |
| { |
| __pad_char(__out, __pads, __ws, __w, __len); |
| __str = __pads; |
| __len = __w; |
| } |
| __out.write(__str, __len); |
| __out.width(0); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| __out.setstate(ios_base::badbit); |
| if ((__out.exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return __out; |
| } |
| |
| // Partial specializationss |
| template<class _Traits> |
| basic_ostream<char, _Traits>& |
| operator<<(basic_ostream<char, _Traits>& __out, const char* __s) |
| { |
| typedef basic_ostream<char, _Traits> __ostream_type; |
| typename __ostream_type::sentry __cerb(__out); |
| if (__cerb) |
| { |
| try |
| { |
| streamsize __w = __out.width(); |
| char* __pads = static_cast<char*>(__builtin_alloca(__w)); |
| streamsize __len = static_cast<streamsize>(_Traits::length(__s)); |
| if (__w > __len) |
| { |
| __pad_char(__out, __pads, __s, __w, __len); |
| __s = __pads; |
| __len = __w; |
| } |
| __out.write(__s, __len); |
| __out.width(0); |
| } |
| catch(exception& __fail) |
| { |
| // 27.6.1.2.1 Common requirements. |
| // Turn this on without causing an ios::failure to be thrown. |
| __out.setstate(ios_base::badbit); |
| if ((__out.exceptions() & ios_base::badbit) != 0) |
| __throw_exception_again; |
| } |
| } |
| return __out; |
| } |
| |
| // 21.3.7.9 basic_string::operator<< |
| template<typename _CharT, typename _Traits, typename _Alloc> |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __out, |
| const basic_string<_CharT, _Traits, _Alloc>& __str) |
| { |
| typedef basic_ostream<_CharT, _Traits> __ostream_type; |
| typename __ostream_type::sentry __cerb(__out); |
| if (__cerb) |
| { |
| const _CharT* __s = __str.data(); |
| streamsize __w = __out.width(); |
| _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w)); |
| streamsize __len = static_cast<streamsize>(__str.size()); |
| #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
| // 25. String operator<< uses width() value wrong |
| #endif |
| if (__w > __len) |
| { |
| __pad_char(__out, __pads, __s, __w, __len); |
| __s = __pads; |
| __len = __w; |
| } |
| streamsize __res = __out.rdbuf()->sputn(__s, __len); |
| __out.width(0); |
| if (__res != __len) |
| __out.setstate(ios_base::failbit); |
| } |
| return __out; |
| } |
| } // namespace std |
| |
| // Local Variables: |
| // mode:C++ |
| // End: |
| |