From a13c5b81e2ce5e6ed41c852658b2c6f25d75b3b6 Mon Sep 17 00:00:00 2001
From: Edward Wall <edward.wall@psi.ch>
Date: Tue, 18 Nov 2025 14:27:41 +0100
Subject: [PATCH] woops, strings got deleted

---
 src/asynStreamGeneratorDriver.cpp | 10 ++++++----
 src/asynStreamGeneratorDriver.h   |  4 ++--
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/asynStreamGeneratorDriver.cpp b/src/asynStreamGeneratorDriver.cpp
index f862f85..4d816b0 100644
--- a/src/asynStreamGeneratorDriver.cpp
+++ b/src/asynStreamGeneratorDriver.cpp
@@ -217,13 +217,13 @@ asynStreamGeneratorDriver::asynStreamGeneratorDriver(
         epicsStdoutPrintf(
             "Detector Kafka Config: broker=%s, topic=%s\n                      "
             " queue size:%d, max events per packet: %d\n",
-            kafkaBroker, this->detectorTopic, kafkaQueueSize,
+            kafkaBroker, this->detectorTopic.c_str(), kafkaQueueSize,
             this->kafkaMaxPacketSize);
 
         epicsStdoutPrintf(
             "Monitors Kafka Config: broker=%s, topic=%s\n                      "
             " queue size:%d, max events per packet: %d\n",
-            kafkaBroker, this->monitorTopic, kafkaQueueSize,
+            kafkaBroker, this->monitorTopic.c_str(), kafkaQueueSize,
             this->kafkaMaxPacketSize);
 
         this->monitorProducer = create_kafka_producer(kafkaBroker);
@@ -874,11 +874,13 @@ void asynStreamGeneratorDriver::produce(epicsRingBytesId eventQueue,
 }
 
 void asynStreamGeneratorDriver::produceMonitor() {
-    this->produce(monitorQueue, monitorProducer, monitorTopic, "monitor");
+    this->produce(monitorQueue, monitorProducer, monitorTopic.c_str(),
+                  "monitor");
 }
 
 void asynStreamGeneratorDriver::produceDetector() {
-    this->produce(detectorQueue, detectorProducer, detectorTopic, "detector");
+    this->produce(detectorQueue, detectorProducer, detectorTopic.c_str(),
+                  "detector");
 }
 
 /*******************************************************************************
diff --git a/src/asynStreamGeneratorDriver.h b/src/asynStreamGeneratorDriver.h
index 1ff71eb..f5c1db1 100644
--- a/src/asynStreamGeneratorDriver.h
+++ b/src/asynStreamGeneratorDriver.h
@@ -194,11 +194,11 @@ class asynStreamGeneratorDriver : public asynPortDriver {
 
     epicsRingBytesId monitorQueue;
     rd_kafka_t *monitorProducer;
-    const char *monitorTopic;
+    const std::string monitorTopic;
 
     epicsRingBytesId detectorQueue;
     rd_kafka_t *detectorProducer;
-    const char *detectorTopic;
+    const std::string detectorTopic;
 
     static constexpr char driverName[]{"StreamGenerator"};