Function configvar_save_multi

lightningd/configs.c:535–559

For multi options: remove all existing, add all new values */

/* For multi options: remove all existing, add all new values */
static void configvar_save_multi(struct lightningd *ld,
				 const char **names,
				 const char **conflines,
				 size_t nvals)
{
	size_t linenum;

	if (!ld->setconfig_file)
		create_setconfig_include(ld);

	/* Comment out all file-based values, even overridden ones. */
	for (size_t i = 0; i < tal_count(ld->configvars); i++) {
		struct configvar *cv = ld->configvars[i];
		if (cv->optvar && streq(cv->optvar, names[0]) && cv->file)
			configfile_replace_var(ld, cv, NULL);
	}

	configvar_remove(&ld->configvars, names[0], CONFIGVAR_NETWORK_CONF, NULL);

	for (size_t i = 0; i < nvals; i++) {
		linenum = append_to_file(ld, ld->setconfig_file, conflines[i], true);
		configvar_updated(ld, CONFIGVAR_NETWORK_CONF,
				  ld->setconfig_file, linenum, conflines[i]);
	}
}

static struct command_result *setconfig_success(struct command *cmd,
						const struct opt_table *ot,