Libft - TDD Edition

A modern, refactored implementation of the 42 libft project, developed using Test-Driven Development (TDD) principles and the Criterion testing framework.

🚀 Features

• Unit Testing: Comprehensive test suite using Criterion.
• Continuous Integration: Automated testing on every push via GitHub Actions.
• Memory Safety: Integrated Valgrind checks to ensure zero memory leaks.
• Code Coverage: Enforced 80%+ line coverage threshold using LCOV.
• Documentation: Professional API documentation generated by Doxygen.
• Modern Tooling: Clean Makefile with dedicated rules for testing and reporting.

🛠 Getting Started

Prerequisites

• A C compiler (cc or gcc)
• libcriterion-dev
• valgrind
• lcov
• doxygen

Usage

Compile the library:

make

Run the unit test suite:

make test

Check for memory leaks:

make valgrind

Generate documentation:

make doc

📋 Libft Completion Status

Part 1: Libc Functions

• ft_isalpha - [ ] ft_isdigit - [ ] ft_isalnum - [ ] ft_isascii
• ft_isprint - [ ] ft_strlen - [ ] ft_memset - [ ] ft_bzero
• ft_memcpy - [ ] ft_memmove - [ ] ft_strlcpy - [ ] ft_strlcat
• ft_toupper - [ ] ft_tolower - [ ] ft_strchr - [ ] ft_strrchr
• ft_strncmp - [ ] ft_memchr - [ ] ft_memcmp - [ ] ft_strnstr
• ft_atoi - [x] ft_calloc - [ ] ft_strdup

Part 2: Additional Functions

• ft_substr - [ ] ft_strjoin - [ ] ft_strtrim - [x] ft_split
• ft_itoa - [ ] ft_strmapi - [ ] ft_striteri - [x] ft_putchar_fd
• ft_putstr_fd - [x] ft_putendl_fd - [ ] ft_putnbr_fd

Bonus: Linked Lists

• ft_lstnew - [ ] ft_lstadd_front - [ ] ft_lstsize
• ft_lstlast - [ ] ft_lstadd_back - [ ] ft_lstdelone
• ft_lstclear - [ ] ft_lstiter - [ ] ft_lstmap