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Fix for broken std::setlocale implementations (MacOS X ?)

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[SVN r17575]
This commit is contained in:
John Maddock
2003-02-21 12:43:49 +00:00
parent cebaf09b5d
commit 86e5251979
1 changed files with 21 additions and 10 deletions
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31
src/c_regex_traits.cpp
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@ -54,6 +54,17 @@ void c_regex_adopted_no_longer_needed_loop_shutter_upper() { }
namespace{ namespace{
//
// helper function to get the locale name,
// works around possibly broken setlocale implementations:
//
const char* getlocale(int id)
{
static const char* def = "Unknown";
const char* pl = std::setlocale(id, 0);
return pl ? pl : def;
}
// //
// character classes: // character classes:
// //
@ -237,9 +248,9 @@ void BOOST_REGEX_CALL re_free_classes()
void BOOST_REGEX_CALL re_update_classes() void BOOST_REGEX_CALL re_update_classes()
{ {
BOOST_RE_GUARD_STACK BOOST_RE_GUARD_STACK
if(*re_cls_name != std::setlocale(LC_CTYPE, 0)) if(*re_cls_name != getlocale(LC_CTYPE))
{ {
*re_cls_name = std::setlocale(LC_CTYPE, 0); *re_cls_name = getlocale(LC_CTYPE);
char buf[256]; char buf[256];
unsigned int i; unsigned int i;
for(i = 0; i < re_classes_max; ++i) for(i = 0; i < re_classes_max; ++i)
@ -286,9 +297,9 @@ void BOOST_REGEX_CALL re_free_collate()
void BOOST_REGEX_CALL re_update_collate() void BOOST_REGEX_CALL re_update_collate()
{ {
BOOST_RE_GUARD_STACK BOOST_RE_GUARD_STACK
if(*re_coll_name != std::setlocale(LC_COLLATE, 0)) if(*re_coll_name != getlocale(LC_COLLATE))
{ {
*re_coll_name = std::setlocale(LC_COLLATE, 0); *re_coll_name = getlocale(LC_COLLATE);
char buf[256]; char buf[256];
unsigned int i = 400; unsigned int i = 400;
re_get_message(buf, 256, i); re_get_message(buf, 256, i);
@ -350,7 +361,7 @@ void BOOST_REGEX_CALL re_message_update()
// //
// called whenever the global locale changes: // called whenever the global locale changes:
// //
std::string l(std::setlocale(LC_MESSAGES, 0)); std::string l(getlocale(LC_MESSAGES));
if(*mess_locale != l) if(*mess_locale != l)
{ {
*mess_locale = l; *mess_locale = l;
@ -641,15 +652,15 @@ void BOOST_REGEX_CALL c_regex_traits<char>::update()
re_detail::cs_guard g(*re_detail::p_re_lock); re_detail::cs_guard g(*re_detail::p_re_lock);
#endif #endif
re_message_update(); re_message_update();
if(*collate_name != std::setlocale(LC_COLLATE, 0)) if(*collate_name != getlocale(LC_COLLATE))
{ {
do_update_collate(); do_update_collate();
*collate_name = std::setlocale(LC_COLLATE, 0); *collate_name = getlocale(LC_COLLATE);
} }
if(*ctype_name != std::setlocale(LC_CTYPE, 0)) if(*ctype_name != getlocale(LC_CTYPE))
{ {
do_update_ctype(); do_update_ctype();
*ctype_name = std::setlocale(LC_CTYPE, 0); *ctype_name = getlocale(LC_CTYPE);
} }
sort_type = re_detail::find_sort_syntax(&i, &sort_delim); sort_type = re_detail::find_sort_syntax(&i, &sort_delim);
} }
@ -838,7 +849,7 @@ void BOOST_REGEX_CALL c_regex_traits<wchar_t>::update()
re_message_update(); re_message_update();
re_update_classes(); re_update_classes();
re_update_collate(); re_update_collate();
std::string l(std::setlocale(LC_CTYPE, 0)); std::string l(getlocale(LC_CTYPE));
if(*wlocale_name != l) if(*wlocale_name != l)
{ {
*wlocale_name = l; *wlocale_name = l;