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42cursus' libft

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

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🗣️ 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.

Functions from <ctype.h> library

Functions from <stdlib.h> library

  • ft_atoi - convert ASCII string to integer.
  • ft_atof * - convert ASCII string to integer.
  • ft_calloc - memory allocation.

Functions from <strings.h> library

Functions from <string.h> library

  • ft_strlen - find length of string.
  • ft_strlen_2 * - find length of 2D array (i.e. splitted string).
  • ft_strchr - locate character in string (first occurrence).
  • ft_strrchr - locate character in string (last occurence).
  • ft_strstr * - locate a substring in a string.
  • ft_strnstr - locate a substring in a string (size-bounded).
  • ft_strcmp * - compare strings.
  • ft_strncmp * - compare strings (size-bounded).
  • ft_strnrcmp - reversely compare strings (size-bounded).
  • ft_strcpy * - copy strings.
  • ft_strncpy * - copy strings (size-bounded).
  • ft_strdup - save a copy of a string (with malloc).
  • ft_strndup * - save a copy of a string (with malloc, size-bounded).
  • ft_strcat * - concatenate strings (s2 into s1).
  • ft_strncat * - concatenate strings (s2 into s1, size-bounded).
  • ft_strlcpy - size-bounded string copying.
  • ft_strlcat - size-bounded string concatenation.

Functions from <math.h> library

Non-standard functions

  • ft_swap * - swap value of two integers.
  • ft_putchar * - output a character to stdout.
  • ft_putchar_fd - output a character to given file.
  • ft_putstr * - output string to stdout.
  • ft_putstr_fd - output string to given file.
  • ft_putendl * - output string to stdout with newline.
  • ft_putendl_fd - output string to given file with newline.
  • ft_putnbr * - output integer to stdout.
  • ft_putnbr_fd - output integer to given file.
  • ft_itoa - convert integer to ASCII string.
  • ft_substr - extract substring from string.
  • ft_strtrim - trim beginning and end of string with the specified characters.
  • ft_strjoin - concatenate two strings into a new string (with malloc).
  • ft_split - split string, with specified character as delimiter, into an array of strings.
  • ft_split_free * - free splitted string.
  • ft_strmapi - create new string from modifying string with specified function.
  • ft_ftoa_rnd - convert float to ASCII string.

Linked list functions

Note: functions marked with * are bonus functions (not mandatory by the project's subject).

📑 Index

@root

  • 📁 libft: updated source code, refactored for use in other projects; includes get_next_line and printf functions.
  • 📁 submX folder(s): source code submitted to the cursus (including failed and succeeded submissions).
  • 📁 testing: my own testing program.

🛠️ 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/libft && make

2. Using it in your code

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

#include "libft.h"

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

-lft -L path/to/libft.a -I path/to/libft.h

📋 Testing

1. First, configure the path to the libft folder in the Makefile (inside /testing/):

#############################
## Path to Libft directory ##
#############################
DIR		= ../

2. Then run:

make t

Third-party testers