From e517dbe783e65fdd1c80f5c917f8f924e2adfe8d Mon Sep 17 00:00:00 2001 From: cbdev Date: Tue, 10 Dec 2019 23:28:02 +0100 Subject: Implement rudimentary argument parsing --- midimonster.c | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) (limited to 'midimonster.c') diff --git a/midimonster.c b/midimonster.c index e6c0842..67614d4 100644 --- a/midimonster.c +++ b/midimonster.c @@ -223,8 +223,12 @@ static void event_free(){ } } +static void version(){ + fprintf(stderr, "MIDIMonster %s\n", MIDIMONSTER_VERSION); +} + static int usage(char* fn){ - fprintf(stderr, "MIDIMonster v0.3\n"); + version(); fprintf(stderr, "Usage:\n"); fprintf(stderr, "\t%s \n", fn); return EXIT_FAILURE; @@ -263,6 +267,21 @@ static int platform_initialize(){ return 0; } +static int args_parse(int argc, char** argv, char** cfg_file){ + size_t u; + for(u = 1; u < argc; u++){ + if(!strcmp(argv[u], "-v") || !strcmp(argv[u], "--version")){ + version(); + return 1; + } + + //if nothing else matches, it's probably the configuration file + *cfg_file = argv[u]; + } + + return 0; +} + int main(int argc, char** argv){ fd_set all_fds, read_fds; event_collection* secondary = NULL; @@ -271,8 +290,10 @@ int main(int argc, char** argv){ managed_fd* signaled_fds = NULL; int rv = EXIT_FAILURE, error, maxfd = -1; char* cfg_file = DEFAULT_CFG; - if(argc > 1){ - cfg_file = argv[1]; + + //parse commandline arguments + if(args_parse(argc, argv, &cfg_file)){ + return EXIT_FAILURE; } if(platform_initialize()){ -- cgit v1.2.3