Function prom_labels_param

modules/prometheus/prometheus.c:962–1007

}

static int prom_labels_param(modparam_t type, void* val)
{
	str module;
	str regex;
	struct prom_label *label;
	init_str(&regex, val);

	trim_leading(&regex);
	module = regex;
	while (regex.len > 0 && *regex.s != ':') {
		regex.s++;
		regex.len--;
	}
	module.len = regex.s - module.s;
	if (module.len == 0) {
		LM_ERR("no type regexined!\n");
		return -1;
	}
	regex.s++;
	regex.len--;
	trim_leading(&regex);
	if (regex.len <= 0) {
		LM_ERR("no regex regexined!\n");
		return -1;
	}
	label = pkg_malloc(sizeof(*label) + module.len);
	if (!label) {
		LM_ERR("oom for label!\n");
		return -1;
	}
	memset(label, 0, sizeof *label);
	label->module.s = label->_buf;
	memcpy(label->module.s, module.s, module.len);
	label->module.len = module.len;

	label->subst = subst_parser(&regex);
	if (!label->subst) {
		pkg_free(label);
		LM_ERR("could not parse substitution [%.*s]\n",
				regex.len, regex.s);
		return -1;
	}
	list_add_tail(&label->list, &prom_labels);

	return 0;
}

static int w_prom_declare_stat(struct sip_msg *msg, str *name, str *type, str *help)
{