+static int wpas_ctrl_iface_driver_flags(struct wpa_supplicant *wpa_s,
+ char *buf, size_t buflen)
+{
+ int ret, i;
+ char *pos, *end;
+
+ ret = os_snprintf(buf, buflen, "%016llX:\n",
+ (long long unsigned) wpa_s->drv_flags);
+ if (os_snprintf_error(buflen, ret))
+ return -1;
+
+ pos = buf + ret;
+ end = buf + buflen;
+
+ for (i = 0; i < 64; i++) {
+ if (wpa_s->drv_flags & (1LLU << i)) {
+ ret = os_snprintf(pos, end - pos, "%s\n",
+ driver_flag_to_string(1LLU << i));
+ if (os_snprintf_error(end - pos, ret))
+ return -1;
+ pos += ret;
+ }
+ }
+
+ return pos - buf;
+}
+
+