From ff1e9bb4d59b1b9a048b403add628df4c4a1f4c1 Mon Sep 17 00:00:00 2001
From: Thomas Peterson <info@thomas-peterson.de>
Date: Mon, 19 Jan 2026 11:14:35 +0100
Subject: [PATCH] Wifi

---
 main/Wifi.cpp | 34 ++++++++++++++++++++++------------
 main/Wifi.hpp |  2 ++
 2 files changed, 24 insertions(+), 12 deletions(-)

diff --git a/main/Wifi.cpp b/main/Wifi.cpp
index 6cae024..0be16e1 100644
--- a/main/Wifi.cpp
+++ b/main/Wifi.cpp
@@ -267,19 +267,29 @@ std::vector<std::string> Wifi::getSavedNetworks() {
 
     size_t required_size = 0;
     err = nvs_get_str(handle, "networks", nullptr, &required_size);
-    if (err == ESP_OK && required_size > 0) {
-        std::string networkList(required_size, '\0');
-        nvs_get_str(handle, "networks", &networkList[0], &required_size);
+    if (err == ESP_OK && required_size > 1) {
+        char* buf = new char[required_size];
+        nvs_get_str(handle, "networks", buf, &required_size);
+        std::string networkList(buf);
+        delete[] buf;
 
-        size_t start = 0;
-        size_t end = networkList.find(';');
-        while (end != std::string::npos) {
-            networks.push_back(networkList.substr(start, end - start));
-            start = end + 1;
-            end = networkList.find(';', start);
-        }
-        if (start < networkList.size() - 1) {
-            networks.push_back(networkList.substr(start));
+        if (!networkList.empty()) {
+            size_t start = 0;
+            size_t end = networkList.find(';');
+            while (end != std::string::npos) {
+                std::string net = networkList.substr(start, end - start);
+                if (!net.empty()) {
+                    networks.push_back(net);
+                }
+                start = end + 1;
+                end = networkList.find(';', start);
+            }
+            if (start < networkList.size()) {
+                std::string net = networkList.substr(start);
+                if (!net.empty()) {
+                    networks.push_back(net);
+                }
+            }
         }
     }
 
diff --git a/main/Wifi.hpp b/main/Wifi.hpp
index 1eedc6d..10d9590 100644
--- a/main/Wifi.hpp
+++ b/main/Wifi.hpp
@@ -18,6 +18,8 @@ public:
     void disconnect();
     bool isConnected();
     std::string getCurrentSSID();
+    std::string getIPAddress();
+    int8_t getRSSI();
 
     void saveNetwork(const char* ssid, const char* password);
     void removeNetwork(const char* ssid);