2003-12-12 Paolo Carlini <pcarlini@suse.de>
Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/13341
* include/bits/locale_facets.h (ctype<wchar_t>): Declare
_M_initialize_ctype() and _M_narrow_ok, _M_narrow and _M_widen.
* src/ctype.cc (ctype<wchar_t>::ctype(size_t),
ctype<wchar_t>::ctype(__c_locale, size_t)): Use
_M_initialize_ctype to fill _M_narrow and _M_widen.
(ctype_byname<wchar_t>::ctype_byname(const char*, size_t)):
Likewise.
* config/locale/generic/ctype_members.cc (do_narrow, do_widen)
Use _M_narrow and _M_widen when possible, instead of calling
wctob and btowc, respectively.
(_M_initialize_ctype): Define, it fills at construction time
_M_narrow and _M_widen.
* config/locale/gnu/ctype_members.cc: Likewise.
* testsuite/performance/narrow_widen_wchar_t.cc: New.
Co-Authored-By: Benjamin Kosnik <bkoz@redhat.com>
From-SVN: r74580
