ft_printf Project

Overview

The ft_printf project recreates the libc printf function. This custom printf function, named ft_printf, aims to mimic the behavior of the original printf - handling format specifiers and variable argument lists. This project is a deep dive into C programming, focusing on variadic functions, string parsing, and formatting output. Using the libft project

Objective

The primary goal is to learn about low-level programming by reimplementing the printf function from the C standard library. This includes handling a variable number of arguments and understanding how to implement different format specifiers for printing various types of data.

Features

Handles conversion specifiers: c, s, p, d, i, u, x, X, %.
Supports width, precision, and flags for detailed formatting.
Utilizes variadic functions to accept an undefined number of arguments.
Mimics the original printf behavior as closely as possible.

Compilation and Usage

The project includes a Makefile for easy compilation of the library:

make all

This will compile the libftprintf.a library which you can then link to your C programs.

Example usage of ft_printf in a C program:

#include "ft_printf.h"

int main(void)
{
    ft_printf("Hello, %s!\n", "world");
    return (0);
}

To compile a program with libftprintf.a, use:

gcc -Wall -Wextra -Werror your_program.c -L. -lftprintf -o your_program

Project Structure

ft_printf.c: The main function implementation.
ft_printf.h: Header file containing function prototypes and structure definitions.
ft_strings_print.c: Helper functions for string and character printing.
Makefile: Contains rules for compiling the library and cleaning up object files.

Contribution

This project is part of the 42 School curriculum. Contributions are not expected, but feedback is always welcome.