135 lines
3.6 KiB
C
135 lines
3.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* shell_loop.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/10/04 05:59:26 by lperrey #+# #+# */
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/* Updated: 2021/10/30 14:37:31 by hulamy ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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static char **tokens_list_to_argv(t_token *t); // temp test
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void close_fd(t_cmd *cmd)
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{
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if (cmd->fd_in != 0)
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close(cmd->fd_in);
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if (cmd->fd_out != 1)
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close(cmd->fd_out);
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}
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void execute_cmd(char **envp, t_cmd **cmd_arr)
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{
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pid_t pid;
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pid_t wpid;
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int status;
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int i;
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i = 0;
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while(cmd_arr[i])
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{
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pid = fork();
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if (pid == 0)
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{
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if (cmd_arr[i]->fd_in != 0)
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dup2(cmd_arr[i]->fd_in, STDIN_FILENO);
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if (cmd_arr[i]->fd_out != 1)
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dup2(cmd_arr[i]->fd_out, STDOUT_FILENO);
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close_fd(cmd_arr[i]);
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execve(cmd_arr[i]->argv[0], cmd_arr[i]->argv, envp);
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}
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else
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close_fd(cmd_arr[i]);
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i++;
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}
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// waitpid pour la derniere commande (pour '$?')
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while ((wpid = wait(&status)) > 0);
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}
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void shell_loop(t_all *c)
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{
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char *line_input;
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line_input = NULL;
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while (1)
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{
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if (line_input)
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free(line_input);
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line_input = readline(c->prompt);
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if (line_input && *line_input)
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{
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add_history(line_input);
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c->token_list = input_to_tokens(line_input);
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// EXEC_PIPES_AND_CO()
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// temp placeholder
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(void)tokens_list_to_argv;
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// if (ft_strncmp(c->token_list->content, "env", 4) == 0)
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// builtin_env(0, NULL, c);
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// else if (ft_strncmp(c->token_list->content, "exit", 5) == 0)
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// builtin_exit(0, NULL, c);
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// else if (ft_strncmp(c->token_list->content, "echo", 5) == 0)
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// builtin_echo(ft_lstsize((t_list *)c->token_list) + 1, tokens_list_to_argv(c->token_list), c);
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// else
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// {
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c->cmd_arr = parsing(c->token_list, c->envp);
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if (c->cmd_arr == NULL)
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ft_putstr_fd("Syntax KO:\n-----------\n", 1);
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else
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ft_putstr_fd("Syntax OK:\n-----------\n", 1);
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ft_putstr_fd("TOKENS LIST :\n-----------\n", 1);
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ft_lstprint((t_list *)c->token_list, 1);
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// execute_cmd(c->envp, c->cmd_arr);
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ft_lstclear((t_list **)&c->token_list, free);
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// }
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}
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}
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}
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static char **tokens_list_to_argv(t_token *t) // temp test
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{
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size_t i;
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char **argv;
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i = ft_lstsize((t_list *)t);
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argv = ft_calloc(i + 1, sizeof(char*));
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i = 0;
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while (t)
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{
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argv[i] = t->content;
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i++;
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t = t->next;
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}
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return (argv);
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}
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void wip_test()
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{
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char term_desc[2048];
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char *term_type;
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int term_width;
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int term_height;
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int ret;
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term_type = getenv("TERM");
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if (term_type == 0)
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ft_putstr_fd("Specify a terminal type with `setenv TERM <yourtype>'.\n", 2);
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ret = tgetent(term_desc, term_type);
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if (ret < 0)
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ft_putstr_fd("Could not access the termcap data base.\n", 2);
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if (ret == 0)
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ft_putstr_fd("Terminal type `%s' is not defined.\n", 2);
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term_height = tgetnum ("li");
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term_width = tgetnum ("co");
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/* Extract information that termcap functions use. */
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/* temp = tgetstr ("pc", BUFFADDR);
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PC = temp ? *temp : 0;
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BC = tgetstr ("le", BUFFADDR);
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UP = tgetstr ("up", BUFFADDR); */
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}
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