From 5aa43d4bf1c009c2008f0d50e11ce00e82a1ff40 Mon Sep 17 00:00:00 2001
From: Maxim Prokhorov <prokhorov.max@outlook.com>
Date: Mon, 16 Aug 2021 07:15:26 +0300
Subject: [PATCH] all: suppress -Wunused-function for serialization helpers

---
 code/espurna/button.cpp |  3 +++
 code/espurna/led.cpp    |  1 +
 code/espurna/relay.cpp  | 20 ++++++++++++++++----
 code/espurna/wifi.cpp   |  2 ++
 4 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/code/espurna/button.cpp b/code/espurna/button.cpp
index d65cdd8c..58f39a20 100644
--- a/code/espurna/button.cpp
+++ b/code/espurna/button.cpp
@@ -581,6 +581,7 @@ unsigned long longLongClickDelay(size_t index) {
     return internal::indexedThenGlobal("btnLLclkDel", index, build::longLongClickDelay(index));
 }
 
+[[gnu::unused]]
 unsigned long repeatDelay() {
     return getSetting("btnRepDel", build::repeatDelay());
 }
@@ -593,10 +594,12 @@ size_t relay(size_t index) {
     return getSetting({"btnRelay", index}, build::relay(index));
 }
 
+[[gnu::unused]]
 bool mqttSendAllEvents(size_t index) {
     return getSetting({"btnMqttSendAll", index}, build::mqttSendAllEvents(index));
 }
 
+[[gnu::unused]]
 bool mqttRetain(size_t index) {
     return getSetting({"btnMqttRetain", index}, build::mqttRetain(index));
 }
diff --git a/code/espurna/led.cpp b/code/espurna/led.cpp
index d68fd039..23c2de20 100644
--- a/code/espurna/led.cpp
+++ b/code/espurna/led.cpp
@@ -353,6 +353,7 @@ String serialize(LedMode mode) {
     return String(static_cast<int>(mode), 10);
 }
 
+[[gnu::unused]]
 String serialize(const LedPattern& pattern) {
     String out;
 
diff --git a/code/espurna/relay.cpp b/code/espurna/relay.cpp
index 9f36146f..d949e79e 100644
--- a/code/espurna/relay.cpp
+++ b/code/espurna/relay.cpp
@@ -449,6 +449,11 @@ namespace relay {
 namespace {
 namespace settings {
 
+size_t dummyCount() {
+    return getSetting("relayDummy", build::dummyCount());
+}
+
+[[gnu::unused]]
 String name(size_t index) {
     return getSetting({"relayName", index});
 }
@@ -532,18 +537,22 @@ int syncMode() {
     return getSetting("relaySync", build::syncMode());
 }
 
+[[gnu::unused]]
 String payloadOn() {
     return getSetting("relayPayloadOn", build::payloadOn());
 }
 
+[[gnu::unused]]
 String payloadOff() {
     return getSetting("relayPayloadOff", build::payloadOff());
 }
 
+[[gnu::unused]]
 String payloadToggle() {
     return getSetting("relayPayloadToggle", build::payloadToggle());
 }
 
+#if MQTT_SUPPORT
 String mqttTopicSub(size_t index) {
     return getSetting({"relayTopicSub", index}, build::mqttTopicSub(index));
 }
@@ -559,10 +568,7 @@ RelayMqttTopicMode mqttTopicMode(size_t index) {
 PayloadStatus mqttDisconnectionStatus(size_t index) {
     return getSetting({"relayMqttDisc", index}, build::mqttDisconnectionStatus(index));
 }
-
-size_t dummyCount() {
-    return getSetting("relayDummy", build::dummyCount());
-}
+#endif
 
 } // namespace settings
 } // namespace
@@ -945,6 +951,7 @@ bool _relayTryParseId(const char* p, size_t& id) {
     return tryParseId(p, relayCount, id);
 }
 
+[[gnu::unused]]
 bool _relayTryParseIdFromPath(const String& endpoint, size_t& id) {
     int next_slash { endpoint.lastIndexOf('/') };
     if (next_slash < 0) {
@@ -987,10 +994,12 @@ bool _relayHandlePayload(size_t id, const char* payload) {
     return false;
 }
 
+[[gnu::unused]]
 bool _relayHandlePayload(size_t id, const String& payload) {
     return _relayHandlePayload(id, payload.c_str());
 }
 
+[[gnu::unused]]
 bool _relayHandlePulsePayload(size_t id, const char* payload) {
     unsigned long pulse = 1000 * atof(payload);
     if (!pulse) {
@@ -1008,10 +1017,12 @@ bool _relayHandlePulsePayload(size_t id, const char* payload) {
     return true;
 }
 
+[[gnu::unused]]
 bool _relayHandlePulsePayload(size_t id, const String& payload) {
     return _relayHandlePulsePayload(id, payload.c_str());
 }
 
+[[gnu::unused]]
 PayloadStatus _relayInvertStatus(PayloadStatus status) {
     switch (status) {
     case PayloadStatus::On:
@@ -1026,6 +1037,7 @@ PayloadStatus _relayInvertStatus(PayloadStatus status) {
     return PayloadStatus::Unknown;
 }
 
+[[gnu::unused]]
 PayloadStatus _relayPayloadStatus(size_t id) {
     if (id < _relays.size()) {
         return _relays[id].current_status
diff --git a/code/espurna/wifi.cpp b/code/espurna/wifi.cpp
index e2e05dbd..fa60e6bd 100644
--- a/code/espurna/wifi.cpp
+++ b/code/espurna/wifi.cpp
@@ -2194,6 +2194,7 @@ void onAction(uint32_t client_id, const char* action, JsonObject&) {
 
 namespace debug {
 
+[[gnu::unused]]
 String event(wifi::Event value) {
     String out;
 
@@ -2241,6 +2242,7 @@ String event(wifi::Event value) {
     return out;
 }
 
+[[gnu::unused]]
 const char* state(wifi::State value) {
     switch (value) {
     case wifi::State::Boot: