🎉 Libft - First Project in the Core Curriculum of 42 Berlin!

🚀 Project Overview

The project aims to get a deeper understanding of what is happening under the hood of the standard functions in C, like calloc, strlcat, memmove, etc. My functions are equivalent to their corresponding functions, except for handling errno statuses. Some of the functions are not standard functions in C, but still very useful!

💡 Note: Weaknesses with the original functions – like not checking for NULL in strlen, and returning 0 from atoi upon error – still remain in my functions. The goal was to create copies of the functions as they are, not improve them.

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🧰 Included Files

• All the functions.
• A Makefile.
• A header file.
• A test.c file with implementations of simple tests for each function.

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🧑‍💻 Cloning the Repository

To get started, first clone the repository. This command will clone the repo, and move you to the right directory:

git clone https://github.com/busedame/libft/ libft && cd libft

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🖥️ How to Compile and Run

💻 Linux

1. Compile the library:
   Run the following command to compile the library:

   make

2. Compile and run test: Run the tests using:

   make test
   

🍏 Mac

Ran into some issues trying to compile on MacOS, but this seems to work:

Step 1

• Remove #include <bsd/string.h> from the header file.
• Remove the -lbsd flag from the Makefile.

Step 2

• Compile the library or tests
  Run either of the following commands:

  make
  make test
  

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🔗Including Libft in your project

Ensure that you have both your main project and the libft library in the same directory or organized in separate directories. You will need the path to your libft directory to link it in the Makefile.

• In the header file: Include libft.h

• In the Makefile:

  1. Path to the libft project:

     LIBFT_PATH = <path_to_libft_directory>

  2. Link the libft.a library:

     LIBFT = $(LIBFT_PATH)/libft.a
     LIBS = -L$(LIBFT_PATH) -lft

  3. Compile the project and link with libft:

     $(NAME): $(OBJ) $(LIBFT)
         $(CC) $(CFLAGS) $(OBJ) -o $(NAME) $(LIBS)

  4. Ensure that libft is compiled during the build process:

     $(LIBFT):
         $(MAKE) -C $(LIBFT_PATH)

  5. Clean up object files:

     clean:
         rm -f $(OBJ)
         $(MAKE) -C $(LIBFT_PATH) clean

  6. Clean up everything (object files, executables, and libft.a):

     fclean: clean
         rm -f $(NAME)
         $(MAKE) -C $(LIBFT_PATH) fclean

Example of Makefile:

CC = cc
CFLAGS = -Wall -Wextra -Werror
OPTIONS = -c

# Path to the libft project
LIBFT_PATH = ./libft

# Source files for your project
SRC = src/main.c

# Object files for your project
OBJ = $(SRC:.c=.o)

# Final executable name
NAME = my_project

# Link the libft.a library
LIBFT = $(LIBFT_PATH)/libft.a
LIBS = -L$(LIBFT_PATH) -lft

# All: Compile both libft and your project
all: $(NAME)

$(NAME): $(OBJ) $(LIBFT)
	$(CC) $(CFLAGS) $(OBJ) -o $(NAME) $(LIBS)

# Compile .c files to .o object files
%.o: %.c
	$(CC) $(CFLAGS) $(OPTIONS) $< -o $@

# Ensure that libft is compiled during the build process
$(LIBFT):
	$(MAKE) -C $(LIBFT_PATH)

# Clean up object files
clean:
	rm -f $(OBJ)
	$(MAKE) -C $(LIBFT_PATH) clean

# Clean up everything (object files, executables, and libft.a)
fclean: clean
	rm -f $(NAME)
	$(MAKE) -C $(LIBFT_PATH) fclean

# Rebuild everything (clean and then compile both libft and your project)
re: fclean all

.PHONY: all clean fclean re