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Message-ID: <20201130113508.GQ1370092@port70.net>
Date: Mon, 30 Nov 2020 12:35:08 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: Dong Brett <brett.browning.dong@...il.com>
Cc: musl@...ts.openwall.com
Subject: Re: Question on C++ locale
* Dong Brett <brett.browning.dong@...il.com> [2020-11-30 18:41:33 +0800]:
> However, the following C++ code does not work (our software uses std::locale in C++ standard library for locale related stuff):
> #include <langinfo.h>
> #include <locale.h>
> #include <locale>
> using namespace std;
> int main()
> {
> std::locale::global(locale(""));
> initscr();
> printw("LC_ALL: %s\n", setlocale(LC_ALL, NULL));
> printw("C++ locale: %s\n", locale().name().c_str());
> printw("CODESET: %s\n", nl_langinfo(CODESET));
> printw("Hello, world!\n");
> printw("你好，世界!\n");
> refresh();
> getch();
> endwin();
> return 0;
> }
fwiw for me even the first line fails.
i don't know how c++ locales are supposed to work.
$ cat a.cc
#include <locale>
using namespace std;
int main()
{
std::locale::global(locale(""));
return 0;
}
$ g++ a.cc
$ ./a.out
terminate called after throwing an instance of 'std::runtime_error'
what(): locale::facet::_S_create_c_locale name not valid
Aborted
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