Add null terminator to String implementation #7

Author: LessComplexity

test/String.cpp

@@ -25,8 +25,9 @@ namespace CPPShift {
 	{
 		this->mp = mp;
 		this->length = strlen(str);
-		this->start = new (mp) char[this->length];
+		this->start = new (mp) char[this->length + 1];
 		memcpy(this->start, str, this->length);
+		this->start[this->length] = '\0';
 	}
 
 	String::~String() { Memory::MemoryPoolManager::free(this->start); }
@@ -39,34 +40,38 @@ namespace CPPShift {
 	{
 		Memory::MemoryPoolManager::free(this->start);
 		this->length = strlen(str);
-		this->start = new (this->mp) char[this->length];
+		this->start = new (this->mp) char[this->length + 1];
 		memcpy(this->start, str, this->length);
+		this->start[this->length] = '\0';
 		return *this;
 	}
 
 	String& String::operator=(const String& str)
 	{
 		Memory::MemoryPoolManager::free(this->start);
 		this->length = str.size();
-		this->start = new (this->mp) char[this->length];
+		this->start = new (this->mp) char[this->length + 1];
 		memcpy(this->start, str.data(), this->length);
+		this->start[this->length] = '\0';
 		return *this;
 	}
 
 	String& String::operator+=(const char* str)
 	{
 		int add_length = strlen(str);
-		this->start = (char*) Memory::MemoryPoolManager::reallocate(this->start, this->length + add_length);
+		this->start = (char*) Memory::MemoryPoolManager::reallocate(this->start, this->length + add_length + 1);
 		memcpy(this->start + this->length, str, add_length);
 		this->length += add_length;
+		this->start[this->length] = '\0';
 		return *this;
 	}
 
 	String& String::operator+=(const String& str)
 	{
-		this->start = (char*) Memory::MemoryPoolManager::reallocate(this->start, this->length + str.size());
+		this->start = (char*) Memory::MemoryPoolManager::reallocate(this->start, this->length + str.size() + 1);
 		memcpy(this->start + this->length, str.data(), str.size());
 		this->length += str.size();
+		this->start[this->length] = '\0';
 		return *this;
 	}