Function gather_cmdline_args

common/configdir.c:233–289

Now all options are known, we can turn cmdline into configvars */

/* Now all options are known, we can turn cmdline into configvars */
static struct configvar **gather_cmdline_args(const tal_t *ctx,
					      int *argc, char **argv,
					      bool remove_args)
{
	struct configvar **cvs = tal_arr(ctx, struct configvar *, 0);

	assert(argv[*argc] == NULL);
	for (size_t i = 1; argv[i];) {
		struct opt_table *ot;
		const char *configline, *arg, *optarg;
		enum configvar_src src;
		bool extra_arg;

		/* End of options? */
		if (streq(argv[i], "--"))
			break;

		if (!strstarts(argv[i], "-")) {
			i++;
			continue;
		}

		if (strstarts(argv[i], "--")) {
			arg = argv[i] + 2;
			ot = opt_find_long(arg, &optarg);
			src = CONFIGVAR_CMDLINE;
		} else {
			/* FIXME: We don't handle multiple short
			 * options here! */
			arg = argv[i] + 1;
			ot = opt_find_short(arg[0]);
			optarg = NULL;
			src = CONFIGVAR_CMDLINE_SHORT;
		}
		if (ot) {
			extra_arg = (ot->type & OPT_HASARG) && !optarg;
		} else {
			/* Unknown (yet!).  Guess if next arg is for this! */
			extra_arg = ((src == CONFIGVAR_CMDLINE_SHORT
				      || !strchr(arg, '='))
				     && argv[i+1]
				     && !strstarts(argv[i+1], "-"));
		}
		finished_arg(argc, argv, &i, remove_args);
		/* We turn `--foo bar` into `--foo=bar` here */
		if (extra_arg) {
			configline = tal_fmt(tmpctx, "%s=%s", arg, argv[i]);
			finished_arg(argc, argv, &i, remove_args);
		} else {
			configline = arg;
		}
		tal_arr_expand(&cvs, configvar_new(cvs, src,
						   NULL, 0, configline));
	}
	assert(argv[*argc] == NULL);
	return cvs;
}