42-archive/42sh/src/job-control/builtin_jobs.c
2017-03-08 20:58:34 +01:00

105 lines
2.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* builtin_jobs.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/15 17:43:01 by jhalford #+# #+# */
/* Updated: 2017/03/08 18:52:24 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
static int bt_jobs_parse(char **av, int *i)
{
int opts;
int j;
opts = 0;
*i = 1;
while (av[*i])
{
j = 0;
if (av[*i][j++] != '-')
break ;
while (av[*i][j])
{
if (av[*i][j] == 'l')
opts |= JOBS_OPTS_L;
else
{
ft_dprintf(2, "{red}%s: bad option: -%c{eoc}\n",
SHELL_NAME, av[*i][j]);
return (-1);
}
j++;
}
(*i)++;
}
return (opts);
}
static void bt_jobs_all(int opts)
{
t_jobc *jobc;
t_list *jlist;
t_list *tmplist;
jobc = &data_singleton()->jobc;
jlist = jobc->first_job;
tmplist = ft_lst_filter(jlist, NULL, NULL);
ft_lstsort(&tmplist, job_cmp_id);
jlist = tmplist;
while (jlist)
{
job_format(jlist->content, opts);
jlist = jlist->next;
}
ft_lstdel(&tmplist, ft_lst_cfree);
}
static int bt_jobs_spec(char **av, int opts)
{
t_jobc *jobc;
t_list *jlist;
t_list *lst;
int id;
jobc = &data_singleton()->jobc;
jlist = jobc->first_job;
while (*av)
{
id = ft_atoi(*av);
if (!(lst = ft_lst_find(jlist, &id, job_cmp_id)))
{
ft_dprintf(2, "{red}jobs: %s: no such job{eoc}\n", *av);
return (1);
}
job_format(lst->content, opts);
av++;
}
return (0);
}
int builtin_jobs(const char *path, char *const av[], char *const envp[])
{
int opts;
int i;
(void)path;
(void)envp;
if (!SH_HAS_JOBC(data_singleton()->opts))
{
ft_dprintf(2, "{red}jobs: %s{eoc}\n", SH_MSG_NOJOBC);
return (1);
}
if ((opts = bt_jobs_parse((char**)av, &i)) < 0)
return (1);
if (!av[i])
bt_jobs_all(opts);
else if (bt_jobs_spec((char **)av + i, opts))
return (1);
return (0);
}