t_pars *my_pars(t_struct *struc, char ***env, t_pars *pars)
{
int pid;
if (*env == NULL)
return (error_env(pars));
if ((my_pars_check(pars, struc)) == 1)
{
pars->last_op = struc->operateur;
pars->tab = my_str_to_wordtab(struc->instruction);
if ((my_echo_check(pars, struc, *env, pid)) == NULL)
return (pars);
pars = my_echo_check(pars, struc, *env, pid);
pars = my_path_remp(struc, *env, pars, 0);
if (my_strcmp(pars->tab[0], "cd") == 0)
env = my_cd(pars->tab, env);
else if (pars->path != NULL)
{
pid = fork();
if (pid == 0)
pars = pars_norme(struc, pars, env);
wait(&pid);
}
else
pars = error_execve(struc->instruction, pars);
}
return (pars);
}
void my_builtins(t_mysh *mysh)
{
my_exit(mysh);
my_cd(mysh);
my_set_env(mysh);
my_unset_env(mysh);
}
/*
** brief: we will try to find the good command
** @env: our env list
** @arr: contain the command and values
** return: 1 if we found our cmd but it's not cd, 0 if the cmd is not found
** and 2 if we have change the dir and 43 if exit
*/
static int _my_builtin_fun(char **arr, t_list *env)
{
char *pwd;
if (my_strcmp(arr[0], "exit", 0))
return (my_exit(env, arr));
else if (my_strcmp(arr[0], "env", 0))
my_env(env, arr);
else if (my_strcmp(arr[0], "cd", 0))
return (my_cd(arr) + 1);
else if (my_strcmp(arr[0], "pwd", 0))
{
pwd = my_find_element(env, "PWD");
write(1, pwd, my_strlen(pwd));
write(1, "\n", 1);
return (1);
}
else if (my_strcmp(arr[0], "setenv", 0))
my_setenv(env, arr);
else if (my_strcmp(arr[0], "unsetenv", 0))
my_unsetenv(env, arr);
else
return (0);
return (1);
}
void parent_process(char **env)
{
pid_t pid;
char *s;
char **tab;
while ((s = get_next_line(0)) != NULL)
{
if (my_strcmp("exit", s) == 0)
exit(EXIT_SUCCESS);
signal(SIGINT, SIG_IGN);
tab = my_str_to_wordtab(s);
my_cd(s, tab, env);
if (s[0] != 'c' || s[1] != 'd')
pid = fork();
if (pid == 0 && (s[0] != 'c' || s[1] != 'd'))
child_process(s, tab, env);
else if (pid == -1)
my_error("Impossible to create a child process");
else
{
waitpid(pid, 0, WSTOPPED);
my_putstr("$> ");
}
free(s);
free(tab);
}
}
int check_builtins(t_main *list, t_main **env)
{
if (strcmp(list->str, "cd") == 0)
my_cd(list, *env);
else if (strcmp(list->str, "env") == 0)
show_env(*env);
else if (strcmp(list->str, "setenv") == 0)
my_setenv(list, env);
else if (strcmp(list->str, "unsetenv") == 0)
my_unsetenv(list, env);
else if (strcmp(list->str, "exit") == 0)
my_exit(list);
else if (strcmp(list->str, "echo") == 0)
my_echo(list);
else if (strcmp(list->str, "..") == 0)
my_cd(manage_double_dots(&list), *env);
else
return (0);
return (1);
}
