int ft_cmd_handler(t_node *tree, t_mlist *mlist, int **tpfd)
{
pid_t pid;
char **charenv;
int builtin;
charenv = ft_tochar(mlist->env);
if ((builtin = ft_is_builtin(tree->data)) && !tpfd[0] && !tpfd[1])
{
ft_clear_tab(charenv);
return (ft_builtin(mlist, tree));
}
if ((pid = fork()) < 0)
return (0);
if (pid == 0)
{
ft_pfd_manage(tpfd[0], tpfd[1]);
ft_son(mlist, charenv, tree, builtin);
}
else
{
ft_red_handler(tree->left, mlist, 0);
return (ft_father(pid, charenv, tpfd));
}
return (0);
}
static void ft_son(t_mlist *mlist, char **charenv, t_node *tree, int builtin)
{
int ret;
char **cmd;
cmd = NULL;
signal(SIGINT, SIG_DFL);
if (!builtin)
cmd = ft_arg_handler(tree, ft_checkpath(tree->data, charenv));
if (!cmd && !builtin)
exit(EXIT_SUCCESS);
if (!builtin && ft_red_handler(tree->left, mlist, 1))
{
execve(cmd[0], cmd, charenv);
ft_notfnd(cmd[0]);
}
else if (builtin)
{
ft_clear_tab(charenv);
ret = ft_builtin(mlist, tree);
ft_list_clear(&(mlist->env));
ft_clear_tab(cmd);
exit(ret);
}
exit(EXIT_FAILURE);
}
static void ft_check_var2(char **av)
{
if (!ft_getenv(g_env.env, "OLDPWD"))
{
ft_strcpy(av[1], "OLDPWD");
ft_strcpy(av[2], ft_getenv(g_env.env, "HOME"));
ft_builtin(av);
}
if (!ft_getenv(g_env.env, "PWD"))
{
ft_strcpy(av[1], "PWD");
ft_strcpy(av[2], ft_getenv(g_env.env, "HOME"));
ft_builtin(av);
ft_strcpy(av[0], "cd");
ft_strcpy(av[1], ft_getenv(g_env.env, "PWD"));
free(av[2]);
av[2] = '\0';
ft_builtin(av);
}
}
int ft_isbuiltin(t_env *env, char *line)
{
int i;
i = 0;
if (ft_findstr(">&", line) == 1 && (i = 1))
ft_links(line);
i = ft_builtin(env, line);
if (i == 1)
return (0);
return (1);
}
static void ft_check_var1(char **av)
{
if (!ft_getenv(g_env.env, "PATH"))
{
ft_strcpy(av[1], "PATH");
ft_strcpy(av[2], "/usr/local/bin:/usr/bin:/bin:/usr/"\
"sbin:/sbin:/opt/X11/bin:/usr/texbin");
ft_builtin(av);
}
if (!ft_getenv(g_env.env, "USER"))
{
ft_strcpy(av[1], "USER");
ft_strcpy(av[2],"unknow_user");
ft_builtin(av);
}
if (!ft_getenv(g_env.env, "HOME"))
{
ft_strcpy(av[1], "HOME");
ft_strcpy(av[2],"/");
ft_builtin(av);
}
}
void ft_process(t_data *d, char *str)
{
int i;
char **tab;
char *tmp;
i = 0;
tmp = ft_tilde(str, d);
tab = ft_strsplit_shell(tmp);
ft_strdel(&tmp);
if (tab && tab[0])
{
ft_search_alias(d, &tab);
ft_builtin(d, tab, &i);
if (i == 0)
{
if (ft_exec(ft_convert_ltt(d->my_env), tab, d->fork) == 0)
ft_printf("42sh: command not found: %s\n", tab[0]);
}
}
ft_free_tab(&tab);
}
void ft_execcmd(char *tcmd, char ***env)
{
pid_t father;
char **cmd;
int stat_loc;
cmd = ft_strsplit(tcmd, ' ');
if (!ft_builtin(env, cmd))
{
father = fork();
if (!father)
{
ft_signal_off();
ft_execve(cmd, env);
}
else
{
waitpid(father, &stat_loc, WUNTRACED);
ft_signal_on();
ft_single_ret(stat_loc, 1);
}
}
ft_strdel2d(&cmd);
}
