- int ret;
- unsigned i;
- union wimlib_progress_info progress;
- u64 total_bytes = 0;
- u64 part_bytes;
- u64 swm_part_sizes[num_swms];
-
- /* Calculate total size of the streams in the split WIM parts. */
- for (i = 0; i < num_swms; i++) {
- part_bytes = lookup_table_total_stream_size(swms[i]->lookup_table);
- swm_part_sizes[i] = part_bytes;
- total_bytes += part_bytes;
- }
-
- if (progress_func) {
- progress.join.total_bytes = total_bytes;
- progress.join.total_parts = swms[0]->hdr.total_parts;
- progress.join.completed_bytes = 0;
- progress.join.completed_parts = 0;
- progress_func(WIMLIB_PROGRESS_MSG_JOIN_STREAMS, &progress);
- }
-
- /* Write the non-metadata resources from each SWM part */
- for (i = 0; i < num_swms; i++) {
- swms[i]->fp = tfopen(swms[i]->filename, T("rb"));
- if (!swms[i]->fp) {
- ERROR_WITH_ERRNO("Failed to reopen `%"TS"'",
- swms[i]->filename);
- return WIMLIB_ERR_OPEN;
+ for (unsigned i = 0; i < num_swms; i++) {
+ if (!guids_equal(swms[i]->hdr.guid, swms[0]->hdr.guid)) {
+ ERROR("The split WIM parts specified belong to "
+ "different split WIMs!");
+ return WIMLIB_ERR_SPLIT_INVALID;