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codecvt.h: Add virtual member function declarations. 

2001-10-31  Benjamin Kosnik  <bkoz@redhat.com>

	libstdc++/4749
	* include/bits/codecvt.h: Add virtual member function declarations.
	* src/codecvt.cc: Tweaks.
	* testsuite/22_locale/codecvt.cc: Test compilation only,
	non-required facets not required to have linkage.

From-SVN: r46685
This commit is contained in:
Benjamin Kosnik 2001-10-31 20:05:33 +00:00 committed by Benjamin Kosnik
parent 78b14aa62c
commit c7e2dba59a
4 changed files with 47 additions and 14 deletions
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8
libstdc++-v3/ChangeLog
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@ -1,3 +1,11 @@
2001-10-31 Benjamin Kosnik <bkoz@redhat.com>
libstdc++/4749
* include/bits/codecvt.h: Add virtual member function declarations.
* src/codecvt.cc: Tweaks.
* testsuite/22_locale/codecvt.cc: Test compilation only,
non-required facets not required to have linkage.
2001-10-31 Edward E. Meyer <edward.e.meyer@boeing.com>
libstdc++/4622

33
libstdc++-v3/include/bits/codecvt.h
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@ -171,6 +171,35 @@
protected:
virtual
~codecvt() { }
virtual result
do_out(state_type& __state, const intern_type* __from,
const intern_type* __from_end, const intern_type*& __from_next,
extern_type* __to, extern_type* __to_end,
extern_type*& __to_next) const;
virtual result
do_unshift(state_type& __state, extern_type* __to,
extern_type* __to_end, extern_type*& __to_next) const;
virtual result
do_in(state_type& __state, const extern_type* __from,
const extern_type* __from_end, const extern_type*& __from_next,
intern_type* __to, intern_type* __to_end,
intern_type*& __to_next) const;
virtual int
do_encoding() const throw();
virtual bool
do_always_noconv() const throw();
virtual int
do_length(const state_type&, const extern_type* __from,
const extern_type* __end, size_t __max) const;
virtual int
do_max_length() const throw();
};
template<typename _InternT, typename _ExternT, typename _StateT>
@ -302,7 +331,3 @@
#endif
#endif // _CPP_BITS_CODECVT_H

18
libstdc++-v3/src/codecvt.cc
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@ -46,7 +46,7 @@ namespace std
codecvt_base::result
codecvt<char, char, mbstate_t>::
do_out(state_type& /*__state*/, const intern_type* __from,
do_out(state_type&, const intern_type* __from,
const intern_type* __from_end, const intern_type*& __from_next,
extern_type* __to, extern_type* __to_end,
extern_type*& __to_next) const
@ -60,8 +60,8 @@ namespace std
codecvt_base::result
codecvt<char, char, mbstate_t>::
do_unshift(state_type& /*__state*/, extern_type* __to,
extern_type* /*__to_end*/, extern_type*& __to_next) const
do_unshift(state_type&, extern_type* __to,
extern_type*, extern_type*& __to_next) const
{
__to_next = __to;
return noconv;
@ -69,7 +69,7 @@ namespace std
codecvt_base::result
codecvt<char, char, mbstate_t>::
do_in(state_type& /*__state*/, const extern_type* __from,
do_in(state_type&, const extern_type* __from,
const extern_type* __from_end, const extern_type*& __from_next,
intern_type* __to, intern_type* __to_end,
intern_type*& __to_next) const
@ -93,7 +93,7 @@ namespace std
int
codecvt<char, char, mbstate_t>::
do_length (const state_type& /*__state*/, const extern_type* __from,
do_length (const state_type&, const extern_type* __from,
const extern_type* __end, size_t __max) const
{ return min(__max, static_cast<size_t>(__end - __from)); }
@ -142,8 +142,8 @@ namespace std
codecvt_base::result
codecvt<wchar_t, char, mbstate_t>::
do_unshift(state_type& /*__state*/, extern_type* __to,
extern_type* /*__to_end*/, extern_type*& __to_next) const
do_unshift(state_type&, extern_type* __to,
extern_type*, extern_type*& __to_next) const
{
__to_next = __to;
return noconv;
@ -190,7 +190,7 @@ namespace std
int
codecvt<wchar_t, char, mbstate_t>::
do_length(const state_type& /*__state*/, const extern_type* __from,
do_length(const state_type&, const extern_type* __from,
const extern_type* __end, size_t __max) const
{ return min(__max, static_cast<size_t>(__end - __from)); }
@ -200,5 +200,3 @@ namespace std
{ return 1; }
#endif // _GLIBCPP_USE_WCHAR_T
} // namespace std

2
libstdc++-v3/testsuite/22_locale/codecvt.cc
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@ -20,6 +20,8 @@
// 22.2.1.5 Template class codecvt
// { dg-do compile }
#include <locale>
void test01()