[w5] Added solutions to exercises 1-7

1 files changed, 45 insertions, 0 deletions

diff --git a/week05/Exercise3.cpp b/week05/Exercise3.cpp
new file mode 100644
index 0000000..5373540
--- /dev/null
+++ b/week05/Exercise3.cpp
@@ -0,0 +1,45 @@
+#include <cstring>
+
+struct Email {
+private:
+	char address[128];
+	char* contents;
+
+	void free() {
+		delete[] contents;
+	}
+	void copyFrom(const Email& other) {
+		strcpy(this->address, other.address);
+
+		int contSize = strlen(other.contents);
+		this->contents = new char[contSize+1];
+		strcpy(this->contents, other.contents);
+	}
+
+public:
+	Email(char address[128], const char* contents) {
+		strcpy(this->address, address);
+
+		int contSize = strlen(contents);
+		this->contents = new char[contSize + 1];
+		strcpy(this->contents, contents);
+	}
+
+	Email() {
+		address[0] = '\0';
+		contents = nullptr;
+	}
+	~Email() {
+		free();
+	}
+	Email(const Email& other) {
+		copyFrom(other);
+	}
+	Email& operator=(const Email& other) {
+		if (this != &other) {
+			free();
+			copyFrom(other);
+		}
+		return *this;
+	}
+};