Simple program to extract MusicBrainz disc IDs from CDs

ezdiscid.c

#include <stdio.h>
#include <string.h>
#include <discid/discid.h>

static const char* get_device(int argc, char** argv);

int main(int argc, char** argv) {
	DiscId* discid;
	const char* device;
	int read_successful;

	discid = discid_new();
	if (discid == NULL) {
		puts("Could not initialize discid");
		return 1;
	}

	device = get_device(argc, argv);

	if (discid_read_sparse(discid, device, 0)) {
		printf("Disc ID is: %s\n", discid_get_id(discid));
		printf("Submit via: %s\n", discid_get_submission_url(discid));
		read_successful = 1;
	} else {
		printf("Could not read %s: %s\n", device, discid_get_error_msg(discid));
		read_successful = 0;
	}

	discid_free(discid);

	return read_successful ? 0 : 1;
}

static const char* get_device(int argc, char** argv) {
	if (argc >= 2) {
		return argv[1];
	} else {
		return discid_get_default_device();
	}
}