#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "history.h"

Functions
void	add_to_history (char *line)
	Adds a line to the history.

void	clear_history ()
	Clears the history.

const struct history_list *	get_history ()
	Gets the history list.

void	print_history (int n)
	Prints the last `n` commands in the history.

int	read_history_from_file ()

int	write_history_to_file ()

int	history (int nargs, char **args)
	Print the history of commands.

Variables
const char *const	history_file = ".chistory"

struct history_list	h_list

int	opterr

int	optind

int	optopt

char *	optarg

Function Documentation

◆ add_to_history()

void add_to_history ( char * line )

Adds a line to the history.

Parameters

line	The command to add.

allocate memory and deep copy

free the memory

allocate memory and deep copy

◆ clear_history()

void clear_history ( )

Clears the history.

free the memory

◆ get_history()

const struct history_list * get_history ( )

Gets the history list.

Returns: Pointer to the history list.

◆ history()

int history	(	int	nargs,
		char **	args )

Print the history of commands.

If no option is specified, prints the last 5 commands.

Options:

-c - clear the history
-r - read the history file and write to the history list
-w - write the history list to the history file

◆ print_history()

void print_history ( int n )

Prints the last n commands in the history.

Parameters

n	The number of commands to print.

◆ read_history_from_file()

int read_history_from_file ( )

◆ write_history_to_file()

int write_history_to_file ( )

Variable Documentation

◆ h_list

struct history_list h_list

◆ history_file

const char* const history_file = ".chistory"

◆ optarg

char* optarg

extern

◆ opterr

int opterr