int
cmd_buffer_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_buffer_data *data;
const struct cmd_entry *entry = self->entry;
int opt, n;
const char *errstr;
cmd_buffer_init(self, 0);
data = self->data;
while ((opt = cmd_getopt(argc, argv, "b:t:", entry->chflags)) != -1) {
if (cmd_parse_flags(opt, entry->chflags, &data->chflags) == 0)
continue;
switch (opt) {
case 'b':
if (data->buffer == -1) {
n = strtonum(optarg, 0, INT_MAX, &errstr);
if (errstr != NULL) {
xasprintf(cause, "buffer %s", errstr);
goto error;
}
data->buffer = n;
}
break;
case 't':
if (data->target == NULL)
data->target = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (cmd_fill_argument(
self->entry->flags, &data->arg, &data->arg2, argc, argv) != 0)
goto usage;
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
error:
self->entry->free(self);
return (-1);
}
/*
****************************************************************
* Desmonta o dispositivo com o sistema de arquivos DOS *
****************************************************************
*/
void
do_umount (int argc, const char *argv[])
{
int opt;
/*
* Analisa as opções
*/
while ((opt = cmd_getopt (argv, "H")) >= 0)
{
switch (opt)
{
case 'H': /* Help */
do_umount_help ();
return;
default: /* Erro */
fprintf (stderr, "\n");
do_umount_help ();
return;
}
}
/*
* Pequena consistência
*/
argc -= cmd_optind;
argv += cmd_optind;
if (argc > 0)
{
do_umount_help ();
return;
}
/*
* Processa o dispositivo
*/
simple_umount ();
} /* end do_umount */
int
cmd_srcdst_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_srcdst_data *data;
const struct cmd_entry *entry = self->entry;
int opt;
cmd_srcdst_init(self, 0);
data = self->data;
while ((opt = cmd_getopt(argc, argv, "s:t:", entry->chflags)) != -1) {
if (cmd_parse_flags(opt, entry->chflags, &data->chflags) == 0)
continue;
switch (opt) {
case 's':
if (data->src == NULL)
data->src = xstrdup(optarg);
break;
case 't':
if (data->dst == NULL)
data->dst = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (cmd_fill_argument(
self->entry->flags, &data->arg, &data->arg2, argc, argv) != 0)
goto usage;
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
self->entry->free(self);
return (-1);
}
/*
****************************************************************
* Remove arquivos *
****************************************************************
*/
void
do_rm (int argc, const char *argv[])
{
int opt;
/*
* Inicializações
*/
cmd_iflag = 1;
/*
* Analisa as opções
*/
while ((opt = cmd_getopt (argv, "ifvH")) >= 0)
{
switch (opt)
{
case 'i': /* Interativo */
cmd_iflag++;
break;
case 'f': /* Força */
cmd_iflag = 0;
break;
case 'v': /* Verboso */
cmd_vflag++;
break;
case 'H': /* Help */
do_rm_help ();
return;
default: /* Erro */
fprintf (stderr, "\n");
do_rm_help ();
return;
}
}
/*
* Pequena consistência
*/
argc -= cmd_optind;
argv += cmd_optind;
if (argc == 0)
{ do_rm_help (); return; }
/*
* Processa os arquivos
*/
for (/* vazio */; *argv; argv++)
{
if (received_intr)
break;
simple_rm (*argv);
}
} /* end do_rm */
/*
****************************************************************
* Imprime o diretório corrente *
****************************************************************
*/
void
do_df (int argc, const char *argv[])
{
const UNI *up = &uni;
int livres, total, usados, ruins, index;
int end_index;
short clusno;
int opt;
/*
* Analisa as opções
*/
while ((opt = cmd_getopt (argv, "H")) >= 0)
{
switch (opt)
{
case 'H': /* Help */
do_df_help ();
return;
default: /* Erro */
fprintf (stderr, "\n");
do_df_help ();
return;
}
}
/*
* Pequena consistência
*/
argc -= cmd_optind;
argv += cmd_optind;
if (argc != 0)
{ do_df_help (); return; }
/*
* Verifica quantos "clusters" estão livres
*/
get_whole_fat ();
for
( livres = 0, ruins = 0,
index = 2, end_index = 2 + up->u_n_clusters;
index < end_index;
index++
)
{
if (C_ISFREE (clusno = get_fat_value (index)))
livres++;
elif (C_ISBAD (clusno))
ruins++;
}
total = up->u_n_clusters;
usados = total - livres - ruins;
total = BLTOKB (up->u_sectors_per_cluster * total);
usados = BLTOKB (up->u_sectors_per_cluster * usados);
livres = BLTOKB (up->u_sectors_per_cluster * livres);
ruins = BLTOKB (up->u_sectors_per_cluster * ruins);
/*
* Imprime o cabeçalho
*/
printf
( "RW DISPOSITIVO SISTEMA "
" TOTAL ALOCADOS LIVRES RUINS (KB) %%\n"
);
/*
* Imprime o resultado
*/
printf ("%s ", fs_status == FS_MOUNT_RO ? "RO" : " ");
printf ("%-20.20s", dev_nm);
printf ("%-8.8s ", sb.s_id);
printf ("%7d %7d %7d %6d ", total, usados, livres, ruins);
printf
( "%s %%\n",
total == 0 ? "?" : editpercent (getpercent (usados, total - ruins))
);
} /* end do_df */
