int ploop_delete_top_delta(struct ploop_disk_images_data *di)
{
int output = SYSEXIT_PLOOPFMT;
if (NULL != di->top_guid)
{
/* NB. ploop_lock_di inside ploop_delete_snapshot
* resets the di content thus the second argument
* becomes invalid. backup it and pass that backup
* value.
* */
output = ploop_delete_snapshot(di, strdupa(di->top_guid));
}
return output;
}
static int plooptool_snapshot_delete(int argc, char **argv)
{
int i, ret;
char *uuid = NULL;
struct ploop_disk_images_data *di = NULL;
while ((i = getopt(argc, argv, "u:")) != EOF) {
switch (i) {
case 'u':
uuid = parse_uuid(optarg);
if (!uuid)
return SYSEXIT_PARAM;
break;
default:
usage_snapshot_delete();
return SYSEXIT_PARAM;
}
}
argc -= optind;
argv += optind;
if (argc != 1 || !is_xml_fname(argv[0]) || uuid == NULL) {
usage_snapshot_delete();
return SYSEXIT_PARAM;
}
ret = ploop_open_dd(&di, argv[0]);
if (ret)
return ret;
ret = ploop_delete_snapshot(di, uuid);
ploop_close_dd(di);
return ret;
}
