From f89361c3701ef66e17a7d8159d99e3d0b0c76e4e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?louiz=E2=80=99?= Date: Sun, 31 Jul 2016 18:03:33 +0200 Subject: Provide a --help option fix #3183 --- src/main.cpp | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'src/main.cpp') diff --git a/src/main.cpp b/src/main.cpp index 9b36880..905cfa6 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -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; -- cgit v1.2.3