143 lines
3.3 KiB
C
143 lines
3.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* main.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/16 15:16:14 by cchauvet #+# #+# */
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/* Updated: 2023/03/30 13:12:41 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "data/data.h"
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#include "env/env.h"
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#include "libftx/libftx.h"
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#include "minishell.h"
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static char *ft_get_user_input(void)
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{
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char *line;
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char *prompt;
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char *pwd;
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pwd = get_pwd(2);
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if (pwd == NULL)
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return (NULL);
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prompt = ft_strmerger(2, pwd, "$ ");
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free(pwd);
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if (prompt == NULL)
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{
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ft_eprintf("minishell: malloc failed\n");
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return (NULL);
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}
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line = readline(prompt);
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if (line != NULL && ft_strcmp(line, "") != 0)
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add_history(line);
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free(prompt);
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if (line == NULL)
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ft_printf("exit\n");
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return (line);
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}
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static void ft_cmds_waiter(t_data *data)
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{
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t_list *current;
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t_cmd *cmd;
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int exit_status;
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current = *data->cmds;
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while (current != NULL)
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{
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cmd = current->content;
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if (cmd->executable != NULL && cmd->own_cmd == 0
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&& cmd->pid != -1 && cmd->fd_in[0] != -2 && cmd->fd_out[0] != -2)
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{
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waitpid(cmd->pid, &exit_status, 0);
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if (WIFSIGNALED(exit_status))
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{
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if (WTERMSIG(exit_status) == SIGKILL)
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data->exit_code = 131;
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else
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data->exit_code = 130;
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}
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else
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data->exit_code = WEXITSTATUS(exit_status);
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}
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current = current->next;
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}
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data->child_pid = 0;
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}
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static int ft_minishell(t_data *data, char *line)
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{
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char *line_clean;
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if (ft_syntax_verif(data, line))
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return (0);
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line_clean = ft_formater(data, line);
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if (line_clean == NULL || line_clean[0] == '\0')
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return (0);
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if (ft_cmds_parser(data, line_clean))
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{
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free(line_clean);
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return (0);
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}
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free(line_clean);
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if (ft_cmds_executor(data) == 1)
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return (1);
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ft_cmds_waiter(data);
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ft_lstclear(data->cmds, ft_cmddel);
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return (0);
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}
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int ft_init_data(t_data *data, char **env)
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{
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data->exit_code = 0;
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data->child_pid = 0;
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data->cmds = malloc(sizeof(t_cmd *));
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if (data->cmds == NULL)
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{
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ft_eprintf("minishell: malloc failed\n");
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return (1);
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}
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*data->cmds = NULL;
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data->env = init_env(env);
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if (data->env == NULL)
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{
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ft_eprintf("minishell: malloc failed\n");
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free(data->cmds);
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return (1);
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}
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return (0);
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}
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int main(int ac, char **av, char **env)
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{
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t_data *data;
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char *line;
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(void) ac;
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(void) av;
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signal(SIGINT, ft_ctrlc);
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signal(SIGQUIT, ft_quit);
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data = ft_get_data();
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if (ft_init_data(data, env))
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return (1);
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line = ft_get_user_input();
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while (line != NULL)
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{
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if (ft_minishell(data, line) == 1)
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break ;
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free(line);
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line = ft_get_user_input();
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if (line == NULL)
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break ;
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}
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ft_lstclear(data->cmds, ft_cmddel);
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free(data->cmds);
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ft_lstclear(data->env, env_del);
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free(data->env);
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return (data->exit_code);
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}
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