- unsigned total_parts = w->hdr.total_parts;
- int ctype;
- const u8 *guid;
-
- if (total_parts != num_additional_swms + 1) {
- ERROR("`%s' says there are %u parts in the spanned set, "
- "but %s%u part%s provided",
- w->filename, w->hdr.total_parts,
- (num_additional_swms + 1 < w->hdr.total_parts) ? "only " : "",
- num_additional_swms + 1,
- (num_additional_swms) ? "s were" : " was");
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (w->hdr.part_number != 1) {
- ERROR("WIM `%s' is not the first part of the split WIM.",
- w->filename);
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- for (unsigned i = 0; i < num_additional_swms; i++) {
- if (additional_swms[i]->hdr.total_parts != total_parts) {
- ERROR("WIM `%s' says there are %u parts in the spanned set, "
- "but %u parts were provided",
- additional_swms[i]->filename,
- additional_swms[i]->hdr.total_parts,
- total_parts);
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- }
-
- /* keep track of ctype and guid just to make sure they are the same for
- * all the WIMs. */
- ctype = wimlib_get_compression_type(w);
- guid = w->hdr.guid;
-
- WIMStruct *parts_to_swms[num_additional_swms];
- ZERO_ARRAY(parts_to_swms);
- for (unsigned i = 0; i < num_additional_swms; i++) {
-
- WIMStruct *swm = additional_swms[i];
-
- if (wimlib_get_compression_type(swm) != ctype) {
- ERROR("The split WIMs do not all have the same "
- "compression type");
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (memcmp(guid, swm->hdr.guid, WIM_GID_LEN) != 0) {
- ERROR("The split WIMs do not all have the same "
- "GUID");
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (swm->hdr.part_number == 1) {
- ERROR("WIMs `%s' and `%s' both are marked as the "
- "first WIM in the spanned set",
- w->filename, swm->filename);
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (swm->hdr.part_number == 0 ||
- swm->hdr.part_number > total_parts)
- {
- ERROR("WIM `%s' says it is part %u in the spanned set, "
- "but the part number must be in the range "
- "[1, %u]",
- swm->filename, swm->hdr.part_number, total_parts);
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (parts_to_swms[swm->hdr.part_number - 2])
- {
- ERROR("`%s' and `%s' are both marked as part %u of %u "
- "in the spanned set",
- parts_to_swms[swm->hdr.part_number - 2]->filename,
- swm->filename,
- swm->hdr.part_number,
- total_parts);
- return WIMLIB_ERR_SPLIT_INVALID;
- } else {
- parts_to_swms[swm->hdr.part_number - 2] = swm;
- }
- }
- return 0;
-}
-
-/*
- * Joins lookup tables from the parts of a split WIM.
- *
- * @w specifies the first part, while @additional_swms and @num_additional_swms
- * specify an array of points to the WIMStruct's for additional split WIM parts.
- *
- * On success, 0 is returned on a pointer to the joined lookup table is returned
- * in @table_ret.
- *
- * The reason we join the lookup tables is so:
- * - We only have to search one lookup table to find the location of a
- * resource in the entire split WIM.
- * - Each lookup table entry will have a pointer to its split WIM part (and
- * a part number field, although we don't really use it).
- */
-int new_joined_lookup_table(WIMStruct *w,
- WIMStruct **additional_swms,
- unsigned num_additional_swms,
- struct lookup_table **table_ret)
-{
- struct lookup_table *table;