Subject:

This project consists of programming a library in C. The library will have many general-purpose functions that will support the following programs to be developed during the cursus.

Technical considerations

Declaring global variables is prohibited.
If you need to separate a complex function into several, be sure to use the word static for this. This way, the functions will stay in the appropriate file.
It is forbidden to give away unused files.
All .c files must be compiled with the -Wall -Werror -Wextra flags.
You must use the ar command to generate the library. The use of libtool is forbidden.

Part 1:

You will have to redo some libc functions. Your functions will have the same prototypes will have the same prototypes and implement the same behaviors as the original functions. They should be as described by the man. The only difference will be the nomenclature. They will start with the prefix “ft_”. For example, strlen will become ft_strlen.

isalpha	toupper
isdigit	tolower
isalnum	strchr
isascii	strrchr
isprint	strncmp
strlen	memchr
memset	memcmp
bzero	strnstr
memcpy	atoi
memmove	calloc
strlcpy	strdup
strlcat

Part 2:

In this second part, you will have to develop a set of functions that are either not from the libc library, or are but in a different form.

ft_substr	ft_strjoin
ft_strtrim	ft_split
ft_itoa	ft_strmapi
ft_striteri	ft_putchar_fd
ft_putstr_fd	ft_putendl_fd
ft_putnbr_fd

Bonus Part:

The functions to manipulate memory and strings are very useful… But you will soon discover that list manipulation is even more so. You should use the following structure to represent a node in your list. Add the declaration to your libft.h file:

typedef struct s_list
{
    void *content;
    struct s_list *next;
}   t_list;

The members of the t_list structure are:

content: the information contained by the node.
void *: allows to store any type of information.
next: the address of the next node, or NULL if the next node is the last one.

Implement the following functions to easily use your lists:

ft_lstnew	ft_lstadd_front
ft_lstsize	ft_lstlast
ft_lstadd_back	ft_lstdelone
ft_lstclear	ft_lstiter
ft_lstmap

Project

The whole project was done fulfilling all its requirements, delivering also a Makefile which compiles a static library libft.a with all the developed functions.

View the source code here

Project completed

Rating: lgomes-o's 42 Libft Score