From a820edea238ce378927bfd9270a9930334802f93 Mon Sep 17 00:00:00 2001
From: folkert van heusden <mail@vanheusden.com>
Date: Wed, 22 Mar 2023 13:44:27 +0100
Subject: [PATCH] prevent memory leaks when re-adding devices

---
 bus.cpp | 30 ++++++++++++++++++++++++++++++
 bus.h   | 10 +++++-----
 2 files changed, 35 insertions(+), 5 deletions(-)

diff --git a/bus.cpp b/bus.cpp
index d9b1830..62936b6 100644
--- a/bus.cpp
+++ b/bus.cpp
@@ -41,6 +41,36 @@ bus::~bus()
 	delete m;
 }
 
+void bus::add_cpu(cpu *const c)
+{
+	delete this->c;
+	this->c     = c;
+}
+
+void bus::add_tm11(tm_11 *tm11)
+{
+	delete this->tm11;
+	this->tm11  = tm11;
+} 
+
+void bus::add_rk05(rk05 *rk05_)
+{
+	delete this->rk05_;
+	this->rk05_ = rk05_;
+} 
+
+void bus::add_rl02(rl02 *rl02_)
+{
+	delete this->rl02_;
+	this->rl02_ = rl02_;
+}
+
+void bus::add_tty(tty *tty_)
+{
+	delete this->tty_;
+	this->tty_  = tty_;
+}
+
 void bus::clearmem()
 {
 	m -> reset();
diff --git a/bus.h b/bus.h
index f60921d..4f745b1 100644
--- a/bus.h
+++ b/bus.h
@@ -110,11 +110,11 @@ public:
 
 	uint16_t get_console_leds() { return console_leds; }
 
-	void add_cpu(cpu *const c) { this -> c     = c;     }
-	void add_tm11(tm_11 *tm11) { this -> tm11  = tm11;  } 
-	void add_rk05(rk05 *rk05_) { this -> rk05_ = rk05_; } 
-	void add_rl02(rl02 *rl02_) { this -> rl02_ = rl02_; }
-	void add_tty(tty *tty_)    { this -> tty_  = tty_;  }
+	void add_cpu(cpu *const c);
+	void add_tm11(tm_11 *tm11);
+	void add_rk05(rk05 *rk05_);
+	void add_rl02(rl02 *rl02_);
+	void add_tty(tty *tty_);
 
 	cpu *getCpu() { return this->c; }