<
<html>
  <head>
    <title>Libft</title>
  </head>
function buildAmazingProject() {
  const innovation = true;
  return success;
}
git commit -m "feat: 42 Abu Dhabi Project"
git push origin main
🚀 Deployment successful!
// Clean, maintainable code
const result = await deploy();
console.log('Project live! 🎉');
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$ npm run build
</> Code
{
}
</>
42 Abu Dhabi Project

Libft

Custom C Library Implementation

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Project Overview

A comprehensive recreation of standard C library functions from scratch to gain deeper understanding of their underlying implementation, serving as a foundation for C programming projects.

1 month
Development Time
Individual Project
Team Size
Libft - Project Screenshot showcasing technical implementation

Technology Stack

Cutting-edge technologies and tools that power this project

C

Core Programming Language

Makefile

Build System

Memory Management

Manual Memory Control

GCC

GNU Compiler Collection

Stack Overview

This project leverages a modern tech stack combining 4 powerful technologies to deliver exceptional performance, scalability, and user experience.

Key Features

Innovative features that make this project stand out from the crowd

String Functions

Complete implementation of string manipulation functions including strlen, strcpy, strncmp, strjoin, and advanced string operations for robust text processing.

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Memory Functions

Memory allocation and manipulation functions like memset, memcpy, memcmp, calloc with optimized performance and comprehensive safety checks.

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Linked Lists

Comprehensive linked list implementation with functions for creation, manipulation, mapping, filtering, and advanced data structure operations.

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Character Functions

Character classification and conversion functions including isalpha, isdigit, toupper, tolower for robust character handling and validation.

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Conversion Functions

Number conversion utilities like atoi, itoa for seamless data type transformations and numeric string processing capabilities.

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Error Handling

Robust error handling and memory safety measures to prevent buffer overflows, memory leaks, and undefined behavior in C programs.

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Feature Highlights

These 6 key features work together to create an exceptional user experience, combining functionality with modern design principles.

Development Journey

Key milestones and phases that shaped this project from concept to completion

Part 1

Libc Functions Recreation

Implemented standard C library functions with identical behavior, focusing on string manipulation, memory operations, and character classification functions.

String Functions Memory Functions Character Functions
Part 2

Additional Utility Functions

Created additional utility functions not in standard library, including string splitting, joining, transformation, and enhanced memory allocation functions.

String Utilities Memory Allocation Error Handling
Bonus

Linked List Data Structure

Implemented a complete linked list data structure with comprehensive manipulation functions for advanced data handling and algorithmic operations.

Data Structures Algorithms Memory Management

Code Spotlight

Advanced string splitting function with memory management

ft_split.c
C 
char	**ft_split(char const *s, char c)
{
	char	**result;
	size_t	word_count;
	size_t	i;

	if (!s)
		return (NULL);
	word_count = count_words(s, c);
	result = malloc(sizeof(char *) * (word_count + 1));
	if (!result)
		return (NULL);
	i = 0;
	while (i < word_count)
	{
		result[i] = get_next_word(&s, c);
		if (!result[i])
		{
			free_array(result, i);
			return (NULL);
		}
		i++;
	}
	result[i] = NULL;
	return (result);
}

static size_t	count_words(char const *s, char c)
{
	size_t	count;
	size_t	in_word;

	count = 0;
	in_word = 0;
	while (*s)
	{
		if (*s != c && !in_word)
		{
			in_word = 1;
			count++;
		}
		else if (*s == c)
			in_word = 0;
		s++;
	}
	return (count);
}

Code Explanation

This code snippet demonstrates key functionality and implementation patterns used throughout the project.

Technical Challenges

Complex problems encountered during development and the innovative solutions that overcame them

Memory Management Precision

Challenge

Managing memory allocation and deallocation without standard library functions while preventing memory leaks and ensuring optimal performance.

Solution

Implemented meticulous memory tracking with custom allocation functions, comprehensive cleanup procedures, and error handling for all allocation failures.

Deep dive

Function Behavior Accuracy

Challenge

Recreating exact behavior of standard library functions including edge cases, error conditions, and performance characteristics.

Solution

Conducted extensive testing with various inputs, edge cases, and comparison with original functions to ensure identical behavior and reliability.

Deep dive

Performance Optimization

Challenge

Achieving optimal performance while maintaining code readability and ensuring compatibility across different systems and compilers.

Solution

Applied algorithmic optimizations, efficient memory usage patterns, and compiler-friendly code structures for maximum performance.

Deep dive

Ready to Explore?

Experience the project firsthand or dive into the source code to see how it all comes together. Your feedback and contributions are always welcome!

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