mirror of
https://codeberg.org/la-chouette/minishell.git
synced 2025-12-06 07:28:09 +01:00
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
|
/* ************************************************************************** */
|
||
|
|
/* */
|
||
|
|
/* ::: :::::::: */
|
||
|
|
/* get_command.c :+: :+: :+: */
|
||
|
|
/* +:+ +:+ +:+ */
|
||
|
|
/* By: khais <marvin@42.fr> +#+ +:+ +#+ */
|
||
|
|
/* +#+#+#+#+#+ +#+ */
|
||
|
|
/* Created: 2025/02/19 18:03:11 by khais #+# #+# */
|
||
|
|
/* Updated: 2025/02/19 18:04:06 by khais ### ########.fr */
|
||
|
|
/* */
|
||
|
|
/* ************************************************************************** */
|
||
|
|
|
||
|
|
// stdio must be included before readline
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <readline/history.h>
|
||
|
|
#include <readline/readline.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include "libft.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
** remove one '\n' from the end of the string, if it exists
|
||
|
|
*/
|
||
|
|
static char *strip_newline(char *str)
|
||
|
|
{
|
||
|
|
size_t last_char_idx;
|
||
|
|
|
||
|
|
if (str == NULL)
|
||
|
|
return (NULL);
|
||
|
|
last_char_idx = ft_strlen(str) - 1;
|
||
|
|
if (str[last_char_idx] == '\n')
|
||
|
|
str[last_char_idx] = '\0';
|
||
|
|
return (str);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** get a command line using readline.
|
||
|
|
**
|
||
|
|
** returned buffer must be freed by caller.
|
||
|
|
** will add command to history if appropriate.
|
||
|
|
*/
|
||
|
|
char *get_command(void)
|
||
|
|
{
|
||
|
|
char *line;
|
||
|
|
|
||
|
|
if (isatty(STDIN_FILENO))
|
||
|
|
line = readline("$ ");
|
||
|
|
else
|
||
|
|
line = strip_newline(get_next_line(STDIN_FILENO));
|
||
|
|
if (line != NULL && line[0] != '\0')
|
||
|
|
add_history(line);
|
||
|
|
return (line);
|
||
|
|
}
|