Function headerValue

src/webInterface.cpp:160–166

}

String headerValue(httpd_req_t *req, const char *name) {
    size_t len = httpd_req_get_hdr_value_len(req, name);
    if (!len) return "";
    std::vector<char> value(len + 1);
    if (httpd_req_get_hdr_value_str(req, name, value.data(), value.size()) != ESP_OK) return "";
    return String(value.data());
}

String queryValue(httpd_req_t *req, const char *key) {
    size_t len = httpd_req_get_url_query_len(req);