struct hlist_head *array;
table = MALLOC(sizeof(struct lookup_table));
- if (!table)
- goto err;
- array = CALLOC(capacity, sizeof(array[0]));
- if (!array) {
- FREE(table);
- goto err;
+ if (table) {
+ array = CALLOC(capacity, sizeof(array[0]));
+ if (array) {
+ table->num_entries = 0;
+ table->capacity = capacity;
+ table->array = array;
+ } else {
+ FREE(table);
+ table = NULL;
+ ERROR("Failed to allocate memory for lookup table with capacity %zu",
+ capacity);
+ }
}
- table->num_entries = 0;
- table->capacity = capacity;
- table->array = array;
return table;
-err:
- ERROR("Failed to allocate memory for lookup table with capacity %zu",
- capacity);
- return NULL;
}
struct lookup_table_entry *new_lookup_table_entry()
*/
int read_lookup_table(WIMStruct *w)
{
- u64 num_entries;
- u8 buf[WIM_LOOKUP_TABLE_ENTRY_DISK_SIZE];
- int ret;
+ u64 num_entries;
+ u8 buf[WIM_LOOKUP_TABLE_ENTRY_DISK_SIZE];
+ int ret;
struct lookup_table *table;
struct lookup_table_entry *cur_entry = NULL, *duplicate_entry;
+ if (resource_is_compressed(&w->hdr.lookup_table_res_entry)) {
+ ERROR("Didn't expect a compressed lookup table!");
+ ERROR("Ask the author to implement support for this.");
+ return WIMLIB_ERR_COMPRESSED_LOOKUP_TABLE;
+ }
+
DEBUG("Reading lookup table: offset %"PRIu64", size %"PRIu64"",
w->hdr.lookup_table_res_entry.offset,
w->hdr.lookup_table_res_entry.original_size);
return 0;
}
+/*
+ * Returns the lookup table entry for stream @stream_idx of the inode, where
+ * stream_idx = 0 means the default un-named file stream, and stream_idx >= 1
+ * corresponds to an alternate data stream.
+ *
+ * This works for both resolved and un-resolved dentries.
+ */
+struct lookup_table_entry *
+inode_stream_lte(const struct inode *inode, unsigned stream_idx,
+ const struct lookup_table *table)
+{
+ if (inode->resolved)
+ return inode_stream_lte_resolved(inode, stream_idx);
+ else
+ return inode_stream_lte_unresolved(inode, stream_idx, table);
+}
+
+
/* Return the lookup table entry for the unnamed data stream of an inode, or
* NULL if there is none.
*