C++ (Cpp) blkid_unparse_uuid Examples

Example #1

File: superblocks.c Project: HorvathAkosPeter/util-linux

/* default _set_uuid function to set DCE UUIDs */
int blkid_probe_set_uuid_as(blkid_probe pr, unsigned char *uuid, const char *name)
{
	struct blkid_chain *chn = blkid_probe_get_chain(pr);
	struct blkid_prval *v;
	int rc = 0;

	if (blkid_uuid_is_empty(uuid, 16))
		return 0;

	if (!name) {
		if ((chn->flags & BLKID_SUBLKS_UUIDRAW) &&
		    (rc = blkid_probe_set_value(pr, "UUID_RAW", uuid, 16)) < 0)
			return rc;

		if (!(chn->flags & BLKID_SUBLKS_UUID))
			return 0;

		v = blkid_probe_assign_value(pr, "UUID");
	} else
		v = blkid_probe_assign_value(pr, name);

	if (!v)
		return -ENOMEM;

	v->len = 37;
	v->data = calloc(1, v->len);
	if (!v->data)
		rc = -ENOMEM;

	if (!rc) {
		blkid_unparse_uuid(uuid, (char *) v->data, v->len);
		return 0;
	}

	blkid_probe_free_value(v);
	return rc;
}

Example #2

File: superblocks.c Project: azat-archive/util-linux

/* default _set_uuid function to set DCE UUIDs */
int blkid_probe_set_uuid_as(blkid_probe pr, unsigned char *uuid, const char *name)
{
	struct blkid_chain *chn = blkid_probe_get_chain(pr);
	struct blkid_prval *v;

	if (blkid_uuid_is_empty(uuid, 16))
		return 0;

	if (!name) {
		if ((chn->flags & BLKID_SUBLKS_UUIDRAW) &&
		    blkid_probe_set_value(pr, "UUID_RAW", uuid, 16) < 0)
			return -1;
		if (!(chn->flags & BLKID_SUBLKS_UUID))
			return 0;

		v = blkid_probe_assign_value(pr, "UUID");
	} else
		v = blkid_probe_assign_value(pr, name);

	blkid_unparse_uuid(uuid, (char *) v->data, sizeof(v->data));
	v->len = 37;

	return 0;
}