Commit f89361c3 authored by louiz’'s avatar louiz’

Provide a --help option

fix #3183
parent 47902953
......@@ -34,6 +34,12 @@ int config_help(const std::string& missing_option)
return 1;
}
int display_help()
{
std::cout << "Usage: biboumi [configuration_file]" << std::endl;
return 0;
}
static void sigint_handler(int sig, siginfo_t*, void*)
{
// In 2 seconds, repeat the same signal, to force the exit
......@@ -49,6 +55,20 @@ static void sigusr_handler(int, siginfo_t*, void*)
int main(int ac, char** av)
{
if (ac > 1)
{
const std::string arg = av[1];
if (arg.size() >= 2 && arg[0] == '-' && arg[1] == '-')
{
if (arg == "--help")
return display_help();
else
{
std::cerr << "Unknow command line option: " << arg << std::endl;
return 1;
}
}
}
const std::string conf_filename = ac > 1 ? av[1] : xdg_config_path("biboumi.cfg");
std::cout << "Using configuration file: " << conf_filename << std::endl;
......
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