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libft

Development repo for 42cursus' get_next_line project
For further information about 42cursus and its projects, please refer to 42cursus repo.

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About · Index · Usage · Testing

🗣️ About

The aim of this project is to code a C library regrouping usual functions that you'll be allowed to use in all your other projects.

For detailed information, refer to the subject of this project.

🚀 TLDR: this project consists of coding basic C functions (see below), which are then compiled into a library for use in other projects of the cursus.

📑 Index

@root

Note: files contain both mandatory and all bonus requirements.

Basic Libc functions

  • ft_strlcpy - copy string to another location
  • ft_strlcat - concatenate strings
  • ft_strdup - save a copy of a string (with malloc)
  • ft_strjoin - join two strings (with malloc)
  • ft_substr - extract a substring (with malloc)
  • ft_atoi - convert a string to an integer
  • ft_isascii - check if a character is in the ascii table
  • ft_isprint - check if a character is printable
  • ft_isdigit - check if a character is a digit
  • ft_isupper - check if a character is uppercase
  • ft_islower - check if a character is lowercase
  • ft_memset - fill memory with a constant byte
  • ft_memmove - copy memory area
  • ft_strlcpy - size-bounded string copying
  • ft_strlcat - size-bounded string concatenation
  • ft_strchr - locate first character instance in string
  • ft_strrchr - locate last character instance in string
  • ft_strncmp - compare two strings within given size
  • ft_memchr - scan memory for a character
  • ft_memcmp - compare memory areas
  • ft_strnstr - locate a substring in a string
  • ft_calloc - allocates memory for an array of a given length
  • ft_strdup - duplicate a string

Additional functions

  • ft_substr - get a sub string from the original string
  • ft_strjoin - concatenate two strings
  • ft_strtrim - remove targeted characters
  • ft_split - split string into a 2d array
  • ft_itoa - convert numbers to string
  • ft_strmapi - apply a function on each character of a string
  • ft_striteri - execute a function on each character of a string
  • ft_putchar_fd - write a character
  • ft_putstr_fd - write a string
  • ft_putnbr_fd - write numbers
  • ft_putendl_fd - add a new line at the end of a file

Bonus functions

  • ft_lstnew - create a new linked list element
  • ft_lstadd_front - add an element to the front of a linked list
  • ft_lstsize - get the size of a linked list
  • ft_lstlast - get the last element of a linked list
  • ft_lstadd_back - add an element to the end of a linked list
  • ft_lstdelone - delete an element from a linked list
  • ft_lstclear - clear a linked list
  • ft_lstiter - apply a function to each element of a linked list
  • ft_lstmap - apply a function to each element of a linked list & create a new list

🛠️ Usage

Requirements

The library is written in C language and thus needs the gcc compiler and some standard C libraries to run.

Instructions

1. Compiling the library

To compile the library, run:

$ cd path/to/ft_printf && make

2. Using it in your code

To use the library functions in your code, simply include its header:

#include "ft_printf.h"

and, when compiling your code, add the required flags:

-lftprintf -L path/to/libftprintf.a -I path/to/ft_printf.h

📋 Testing