From 4e2f5ec4bf2aec43f184674cfe9831d20e13e34a Mon Sep 17 00:00:00 2001 From: Mitja Felicijan Date: Mon, 7 Oct 2024 21:39:00 +0200 Subject: Added basic argument parsing and better Makefile --- main.c | 43 ++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 42 insertions(+), 1 deletion(-) (limited to 'main.c') diff --git a/main.c b/main.c index 51bcdb6..4fc3d1a 100644 --- a/main.c +++ b/main.c @@ -1,7 +1,48 @@ #include +#include +#include +#include + +void help(const char *argv0) { + printf("Usage: %s [options]\n" + "\nAvailable options:\n" + " -h,--help this help\n" + " -v,--version show version\n" + " -p,--port=client:port device port\n", + argv0); +} int main(int argc, char *argv[]) { - fprintf(stdout, "Oh, hi Mark!\n"); + const char short_options[] = "hvlp"; + const struct option long_options[] = { + {"help", 0, NULL, 'h'}, + {"version", 0, NULL, 'v'}, + {"list", 0, NULL, 'l'}, + {"port", 1, NULL, 'p'}, + {0}, + }; + + int c; + while ((c = getopt_long(argc, argv, short_options, long_options, NULL)) != -1) { + switch (c) { + case 'h': + help(argv[0]); + return 0; + case 'v': + fprintf(stdout, "Version\n"); + return 0; + case 'l': + fprintf(stdout, "List\n"); + return 0; + case 'p': + fprintf(stdout, "Port\n"); + return 0; + default: + fprintf(stdout, "No option provided\n"); + return 0; + } + } + return 0; } -- cgit v1.2.3