From 415032e0ef0076a349ba2ca54702478507cd45cd Mon Sep 17 00:00:00 2001
From: Eric Teunis de Boone <ericteunis@deboone.nl>
Date: Tue, 30 Jun 2020 11:18:10 +0200
Subject: [PATCH] Ex3.3 feedback: The Stack's bufsize was not updated on
 Stack::grow() so the stack would not actually grow

---
 ex3.2/Stack.cc | 11 ++++++++---
 ex3.2/main.cpp |  6 +++---
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/ex3.2/Stack.cc b/ex3.2/Stack.cc
index 71dda3f..71a1c92 100644
--- a/ex3.2/Stack.cc
+++ b/ex3.2/Stack.cc
@@ -4,8 +4,6 @@
 
 void Stack::push(double c) { 
 	if (full()) {
-		std::cout << "Stack::push() Error: stack is full" << std::endl ;
-		
 		grow( DELTA );
 	}
 	s[count++] = c ;
@@ -34,7 +32,10 @@ void Stack::init( int in_size ) {
 }
 void Stack::grow( int delta ) {
 	std::cout << "Growing by " << delta << std::endl;
-	double* newbuf = new double[ bufsize + delta ];
+
+	int newbufsize = bufsize + delta;
+
+	double* newbuf = new double[ newbufsize ];
 
 	// Copy elements
 	for ( int i=0; i < count ; i++ )
@@ -47,4 +48,8 @@ void Stack::grow( int delta ) {
 
 	// Assign pointer
 	s = newbuf;
+
+	// Update bufsize
+	bufsize = newbufsize;
+
 }
diff --git a/ex3.2/main.cpp b/ex3.2/main.cpp
index 0f2840c..6a41b03 100644
--- a/ex3.2/main.cpp
+++ b/ex3.2/main.cpp
@@ -7,7 +7,7 @@
 using namespace std ;
 
 int main() {
-	Stack s(10) ;// initialize Stack
+	Stack s(5) ;// initialize Stack
 	
 	// Write doubles into Stack
 	int i ;
@@ -17,7 +17,7 @@ int main() {
 	}
 
 	// Count doubles in fifo
-	cout << s.nitems() << " value in stack" << endl ;
+	cout << s.nitems() << " values in Stack" << endl ;
 
 	cout << "Inspect the FIFO" << endl;
 	s.inspect();
@@ -26,7 +26,7 @@ int main() {
 	// Read doubles back from fifo
 	while (!s.empty()) {
 		double val = s.pop() ;
-		cout << "popping value " << val << " from stack" << endl ;
+		cout << "popping value " << val << " from Stack" << endl ;
 	}
 	
 	cout << "Inspect the FIFO" << endl;