42_minishell/main.c
Camille Chauvet 5d482fc65a fix: signal
2023-04-05 15:35:52 +00:00

149 lines
3.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/02/16 15:16:14 by cchauvet #+# #+# */
/* Updated: 2023/04/05 15:31:19 by alouis-j ### ########.fr */
/* */
/* ************************************************************************** */
#include "data/data.h"
#include "env/env.h"
#include "libftx/libft/libft.h"
#include "libftx/libftx.h"
#include "minishell.h"
#include "signal/signal.h"
#include <stdlib.h>
static char *ft_get_user_input(void)
{
char *line;
char *prompt;
char *pwd;
pwd = get_pwd(2);
if (pwd == NULL)
return (NULL);
prompt = ft_strmerger(2, pwd, "$ ");
free(pwd);
if (prompt == NULL)
{
ft_eprintf("minishell: malloc failed\n");
return (NULL);
}
line = readline(prompt);
if (line != NULL && ft_strcmp(line, "") != 0)
add_history(line);
free(prompt);
if (line == NULL)
ft_printf("exit\n");
return (line);
}
static void ft_cmds_waiter(t_data *data)
{
t_list *current;
t_cmd *cmd;
int exit_status;
current = *data->cmds;
while (current != NULL)
{
cmd = current->content;
if (cmd->executable != NULL && cmd->own_cmd == 0
&& cmd->pid != -1 && cmd->fd_in[0] != -2 && cmd->fd_out[0] != -2)
{
waitpid(cmd->pid, &exit_status, 0);
if (WIFSIGNALED(exit_status))
{
if (exit_status == 131)
{
ft_printf("Quit (core dumped)\n");
*data->exit_code = 131;
}
else
{
ft_putchar_fd('\n', 1);
*data->exit_code = 130;
}
}
else
*data->exit_code = WEXITSTATUS(exit_status);
}
current = current->next;
}
}
static int ft_minishell(t_data *data, char *line)
{
char *line_clean;
if (ft_syntax_verif(data, line))
return (0);
line_clean = ft_formater(data, line);
if (line_clean == NULL || line_clean[0] == '\0')
return (0);
if (ft_cmds_parser(data, line_clean))
{
free(line_clean);
return (0);
}
free(line_clean);
if (ft_cmds_executor(data) == 1)
return (1);
ft_cmds_waiter(data);
ft_lstclear(data->cmds, ft_cmddel);
return (0);
}
int ft_init_data(t_data *data, char **env)
{
data->exit_code = ft_get_exit_code();
data->cmds = malloc(sizeof(t_cmd *));
if (data->cmds == NULL)
{
ft_eprintf("minishell: malloc failed\n");
return (1);
}
*data->cmds = NULL;
data->env = init_env(env);
if (data->env == NULL)
{
ft_eprintf("minishell: malloc failed\n");
free(data->cmds);
return (1);
}
return (0);
}
int main(int ac, char **av, char **env)
{
t_data data;
char *line;
(void) ac;
(void) av;
signal(SIGINT, ft_ctrlc);
signal(SIGQUIT, SIG_IGN);
if (ft_init_data(&data, env))
return (1);
line = ft_get_user_input();
while (line != NULL)
{
if (ft_minishell(&data, line) == 1)
break ;
free(line);
line = ft_get_user_input();
if (line == NULL)
break ;
}
ft_lstclear(data.cmds, ft_cmddel);
free(data.cmds);
ft_lstclear(data.env, env_del);
free(data.env);
return (*data.exit_code);
}