Chapter 14: Debugging, Warnings, and Best Practices

Table of Contents

• Table of Contents
• 14.1 Debugging Techniques
• 14.2 Compiler Warnings
• 14.3 Best Practices
• 14.4 Exercises
• 14.5 Solutions
  • 14.5.1 Solution 1
  • 14.5.2 Solution 2
  • 14.5.3 Solution 3
• 14.6 What’s Coming in the Next Chapter

14.1 Debugging Techniques

• Use printf for tracing
• Use a debugger (e.g., gdb)

14.2 Compiler Warnings

• Enable warnings with -Wall
• Fix all warnings

14.3 Best Practices

• Use meaningful variable names
• Comment your code
• Avoid magic numbers

14.4 Exercises

1. How do you enable all warnings in gcc?
2. What is a segmentation fault?
3. Name one best practice for writing C code.

14.5 Solutions

14.5.1 Solution 1

Use -Wall flag.

14.5.2 Solution 2

Accessing memory you shouldn’t (e.g., invalid pointer).

14.5.3 Solution 3

Use meaningful variable names.

14.6 What’s Coming in the Next Chapter

Next, you’ll learn about modern C standards: C99, C11, and beyond!

Next Chapter → C99, C11, and Beyond