locale_global.cpp

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#define _RWSTD_LIB_SRC
 
#include <rw/_defs.h>
#include <rw/_mutex.h>
 
#include <locale.h>
#include <string.h>
 
#include <loc/_facet.h>
#include <loc/_locale.h>
 
#include "locale_body.h"
 
 
_RWSTD_NAMESPACE (__rw) {
 
extern __rw_mutex __rw_setlocale_mutex;
 
}   // namespace __rw
 
_RWSTD_NAMESPACE (std) { 
 
/* static */ locale locale::global (const locale &rhs)
{
    _RWSTD_ASSERT (rhs._C_body);
    _RWSTD_ASSERT (rhs._C_body->_C_name);
 
    if (!strchr (rhs.name ().c_str (), '*')) {
 
        // if the global locale has a name, call setlocale()
 
        _RWSTD_MT_GUARD (_RW::__rw_setlocale_mutex);
 
        // assumes all locale names (i.e., including those of combined
        // locales) are in a format understandable by setlocale()
        setlocale (_RWSTD_LC_ALL, rhs.name ().c_str ());
 
        // FIXME:
        // handle unnamed locales (i.e., locales containing non-standard
        // facets)
    }
 
    // set the global locale to `body', retrieve the previous value
    _RW::__rw_locale* const tmp = _RW::__rw_locale::_C_manage (rhs._C_body, 0);
 
    _RWSTD_ASSERT (0 != tmp);
 
    // do not decrement ref count here, done in dtor of the returned temporary
    return locale (*tmp);
}
 
 
}   // namespace std