> >> >> So the problem must be with your glibc setup. > >> >> > >> >> Is en_US.utf8 listed in /etc/locale.gen? Any other locales? > >> >> Uncomment the ones you want to support, then try running > >> >> /usr/sbin/locale-gen as root > > > > And I do this step, after I copy that link's sample locale.gen on my > > /etc/ directory. > > > >> >> (I don't know if that's the right way to generate locale data for > >> >> Ubuntu, you might want to ask on an Ubuntu forum) > >> >> > >> >> I've just tried it on a Debian box which only has en_US.utf8 locale > >> >> data installed, and Axel's test program worked ok and running "./a.out > >> >> en_US.utf8" wrote to the file unicode.txt, so the problem is not with > >> >> the code or gcc. > >> > ---------------------------- > >> > my system don't have /etc/locale.gen > >> > but > >> > it have /etc/locale.alias > >> > >> That isn't the same. > >> > >> You'll need to find someone who knows how to install localization data > >> files on Ubuntu. > >> > >> This isn't a gcc issue. > > ------------------------------------------------------------ > > I follow the link and its suggestion(hardway) > > -- > > http://people.debian.org/~schultmc/locales.html > > > > -------------- > > > > A sample /etc/locale.gen > > # This file lists locales that you wish to have built. You can find a list > > # of valid supported locales at /usr/share/i18n/SUPPORTED. Other > > # combinations are possible, but may not be well tested. If you change > > # this file, you need to rerun locale-gen. > > # > > # XXX GENERATED XXX > > # > > # NOTE!!! If you change this file by hand, and want to continue > > # maintaining manually, remove the above line. Otherwise, use the command > > # "dpkg-reconfigure locales" to manipulate this file. You can manually > > # change this file without affecting the use of debconf, however, since it > > # does read in your changes. > > > > en_US.UTF-8 UTF-8 > > ---------------------------------------------------------------- > > then run again test code > > Did you run locale-gen? > > > > Not work > > same error, by out << sw2 << endl; > > out.good() is 0 > > and when I use no argument, just ./a.out, error > > can not generate locale > > > > looking to see any experienced c/g++ and ubuntu/linux programer's help > > thanks a lot in advance > > Eric > > > > > > Would you please post your test os(linux kernel version) and which g++ version you use, especially when you pass the test ------------- #include <iostream> #include <fstream> #include <string> //#include <cstring> using namespace std; int main(int argc, char *argv[]) { /* try { std::locale::global(std::locale("")); } catch ( ... ) { }; */ wstring ws2 = L"Euro: \x20ac"; wofstream out("unicode.txt"); if(not out.good()) cerr << "Error opening output file" << endl; //const char *name = "el_GR.utf8"; const char *name = "en_US.utf8"; if(argc == 2) name = argv[1]; cout << "trying to access locale " << name << endl; locale loc; try{ loc = locale(name); cout << "Generated locale " << loc.name() << endl; }catch( exception &e){ cerr << "Couldn't generate locale " << name << ": " << e.what() << endl; } out.imbue(loc); if(not out.good()) cerr << "Error when setting the locale" << endl; out << ws2<< endl; if(not out.good()) cerr << "Error when writing to file" << endl; } ------------ thanks your cooperation a lot in advance, Eric
