#include <locale>
#include <iostream>
#include <exception>
#include <clocale>

void
try_c_locale(const char* locale_name)
{
    if( std::setlocale(LC_ALL, locale_name) == NULL )
        printf("Failed to setlocale(LC_ALL, \"%s\")\n", locale_name);
    else
        printf("Succeeded in calling setlocale(LC_ALL, \"%s\")\n", locale_name);
}

void
try_cpp_locale(const char* locale_name)
{
    try
    {
        std::locale my_locale(locale_name);
    }
    catch(std::exception& e)
    {
        printf("Failed ctor for std::locale with \"%s\": %s\n", locale_name, e.what());
        return;
    }

    printf("Succeeded ctor for std::locale with \"%s\"\n", locale_name);
}

int
main(void)
{
    // Some locales from "locale -a" on my OS X system, here is proof
    // that these locales do exist on my system. Take my word for it
    // that "locale -a" also shows these locales existing on my linux
    // system as well.
    //
    // rutski@imac:~$ locale -a | tail -n 2
    // C
    // POSIX
    // rutski@imac:~$ locale -a | grep en_US
    // en_US
    // en_US.ISO8859-1
    // en_US.ISO8859-15
    // en_US.US-ASCII
    // en_US.UTF-8
    // rutski@imac:~$ locale -a | grep pl_PL
    // pl_PL
    // pl_PL.ISO8859-2
    // pl_PL.UTF-8
    // rutski@imac:~$ 

    const char* test_locales[] =
    {
        "C",
        "POSIX",
        "en_US",
        "en_US.UTF-8",
         "pl_PL",
        "pl_PL.ISO8859-2"
    };
    
    printf("Trying c locales...\n");
    for(size_t x = 0; x < sizeof(test_locales)/sizeof(char*); x++)
        try_c_locale(test_locales[x]);
    printf("\n");

    printf("Trying C++ locales...\n");
    for(size_t x = 0; x < sizeof(test_locales)/sizeof(char*); x++)
        try_cpp_locale(test_locales[x]);
}