Ejemplo n.º 1
0
/*
 * sfdisk --list-types
 */
static int command_list_types(struct sfdisk *sf)
{
	const struct fdisk_parttype *t;
	struct fdisk_label *lb;
	const char *name;
	size_t i = 0;
	int codes;

	assert(sf);
	assert(sf->cxt);

	name = sf->label ? sf->label : "dos";
	lb = fdisk_get_label(sf->cxt, name);
	if (!lb)
		errx(EXIT_FAILURE, _("unsupported label '%s'"), name);

	codes = fdisk_label_has_code_parttypes(lb);
	fputs(_("Id  Name\n\n"), stdout);

	while ((t = fdisk_label_get_parttype(lb, i++))) {
		if (codes)
			printf("%2x  %s\n", fdisk_parttype_get_code(t),
					   fdisk_parttype_get_name(t));
		else
			printf("%s  %s\n", fdisk_parttype_get_string(t),
					  fdisk_parttype_get_name(t));
	}

	return 0;
}
Ejemplo n.º 2
0
/**
 * fdisk_partition_to_string:
 * @pa: partition
 * @cxt: context
 * @id: field (FDISK_FIELD_*)
 * @data: returns string with allocated data
 *
 * Returns info about partition converted to printable string.
 *
 * For example
 * <informalexample>
 *   <programlisting>
 *      struct fdisk_parition *pa;
 *
 *      fdisk_get_partition(cxt, 0, &pa);
 *	fdisk_partition_to_string(pa, FDISK_FIELD_UUID, &data);
 *	printf("first partition uuid: %s\n", data);
 *	free(data);
 *	fdisk_unref_partition(pa);
 *   </programlisting>
 * </informalexample>
 *
 * returns UUID for the first partition.
 *
 * Returns: 0 on success, otherwise, a corresponding error.
 */
int fdisk_partition_to_string(struct fdisk_partition *pa,
			      struct fdisk_context *cxt,
			      int id,
			      char **data)
{
	char *p = NULL;
	int rc = 0;
	uint64_t x;

	if (!pa || !cxt || !data)
		return -EINVAL;

	switch (id) {
	case FDISK_FIELD_DEVICE:
		if (pa->freespace)
			p = strdup(_("Free space"));
		else if (fdisk_partition_has_partno(pa) && cxt->dev_path) {
			if (cxt->label->flags & FDISK_LABEL_FL_INCHARS_PARTNO)
				rc = asprintf(&p, "%c", (int) pa->partno + 'a');
			else
				p = fdisk_partname(cxt->dev_path, pa->partno + 1);
		}
		break;
	case FDISK_FIELD_BOOT:
		p = fdisk_partition_is_bootable(pa) ? strdup("*") : NULL;
		break;
	case FDISK_FIELD_START:
		if (fdisk_partition_has_start(pa)) {
			x = fdisk_cround(cxt, pa->start);
			rc = pa->start_post ?
				asprintf(&p, "%ju%c", x, pa->start_post) :
				asprintf(&p, "%ju", x);
		}
		break;
	case FDISK_FIELD_END:
		if (fdisk_partition_has_end(pa)) {
			x = fdisk_cround(cxt, fdisk_partition_get_end(pa));
			rc = pa->end_post ?
					asprintf(&p, "%ju%c", x, pa->end_post) :
					asprintf(&p, "%ju", x);
		}
		break;
	case FDISK_FIELD_SIZE:
		if (fdisk_partition_has_size(pa)) {
			uint64_t sz = pa->size * cxt->sector_size;

			switch (cxt->sizeunit) {
			case FDISK_SIZEUNIT_BYTES:
				rc = asprintf(&p, "%ju", sz);
				break;
			case FDISK_SIZEUNIT_HUMAN:
				if (fdisk_is_details(cxt))
					rc = pa->size_post ?
							asprintf(&p, "%ju%c", sz, pa->size_post) :
							asprintf(&p, "%ju", sz);
				else {
					p = size_to_human_string(SIZE_SUFFIX_1LETTER, sz);
					if (!p)
						rc = -ENOMEM;
				}
				break;
			}
		}
		break;
	case FDISK_FIELD_CYLINDERS:
		rc = asprintf(&p, "%ju", (uintmax_t)
			fdisk_cround(cxt, fdisk_partition_has_size(pa) ? pa->size : 0));
		break;
	case FDISK_FIELD_SECTORS:
		rc = asprintf(&p, "%ju",
			fdisk_partition_has_size(pa) ? (uintmax_t) pa->size : 0);
		break;
	case FDISK_FIELD_BSIZE:
		rc = asprintf(&p, "%ju", pa->bsize);
		break;
	case FDISK_FIELD_FSIZE:
		rc = asprintf(&p, "%ju", pa->fsize);
		break;
	case FDISK_FIELD_CPG:
		rc = asprintf(&p, "%ju", pa->cpg);
		break;
	case FDISK_FIELD_TYPE:
		p = pa->type && pa->type->name ? strdup(_(pa->type->name)) : NULL;
		break;
	case FDISK_FIELD_TYPEID:
		if (pa->type && fdisk_parttype_get_string(pa->type))
			rc = asprintf(&p, "%s", fdisk_parttype_get_string(pa->type));
		else if (pa->type)
			rc = asprintf(&p, "%x", fdisk_parttype_get_code(pa->type));
		break;
	case FDISK_FIELD_UUID:
		p = pa->uuid && *pa->uuid? strdup(pa->uuid) : NULL;
		break;
	case FDISK_FIELD_NAME:
		p = pa->name && *pa->name ? strdup(pa->name) : NULL;
		break;
	case FDISK_FIELD_ATTR:
		p = pa->attrs && *pa->attrs ? strdup(pa->attrs) : NULL;
		break;
	case FDISK_FIELD_SADDR:
		p = pa->start_chs && *pa->start_chs ? strdup(pa->start_chs) : NULL;
		break;
	case FDISK_FIELD_EADDR:
		p = pa->end_chs && *pa->end_chs? strdup(pa->end_chs) : NULL;
		break;
	default:
		return -EINVAL;
	}

	if (rc < 0) {
		rc = -ENOMEM;
		free(p);
		p = NULL;

	} else if (rc > 0)
		rc = 0;

	*data = p;

	return rc;
}