From 4684e44902f9fd8839029b7ee161324c5348606a Mon Sep 17 00:00:00 2001
From: Frank Sautter <github@sautter.com>
Date: Fri, 8 Apr 2016 10:26:11 +0200
Subject: [PATCH] Re-enable old behaviour if passphrase string is empty

An empty passphrase string should enable AUTH_OPEN mode of softAP.
This was the behaviour before commit 293e55c.
Additionally make the type of checking for empty strings consistent.
---
 libraries/ESP8266WiFi/src/ESP8266WiFiAP.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/ESP8266WiFi/src/ESP8266WiFiAP.cpp b/libraries/ESP8266WiFi/src/ESP8266WiFiAP.cpp
index c5705234e..81f3c3a70 100644
--- a/libraries/ESP8266WiFi/src/ESP8266WiFiAP.cpp
+++ b/libraries/ESP8266WiFi/src/ESP8266WiFiAP.cpp
@@ -89,13 +89,13 @@ bool ESP8266WiFiAPClass::softAP(const char* ssid, const char* passphrase, int ch
         return false;
     }
 
-    if(!ssid || *ssid == 0 || strlen(ssid) > 31) {
+    if(!ssid || strlen(ssid) == 0 || strlen(ssid) > 31) {
         // fail SSID too long or missing!
         DEBUG_WIFI("[AP] SSID too long or missing!\n");
         return false;
     }
 
-    if(passphrase && (strlen(passphrase) > 63 || strlen(passphrase) < 8)) {
+    if(passphrase && strlen(passphrase) > 0 && (strlen(passphrase) > 63 || strlen(passphrase) < 8)) {
         // fail passphrase to long or short!
         DEBUG_WIFI("[AP] fail passphrase to long or short!\n");
         return false;