/* These can be treated as counts (for required_features) or booleans (for
* supported_features). */
struct wim_features {
- unsigned long archive_files;
+ unsigned long readonly_files;
unsigned long hidden_files;
unsigned long system_files;
+ unsigned long archive_files;
unsigned long compressed_files;
unsigned long encrypted_files;
unsigned long encrypted_directories;
unsigned long security_descriptors;
unsigned long short_names;
unsigned long unix_data;
+ unsigned long object_ids;
unsigned long timestamps;
unsigned long case_sensitive_filenames;
+ unsigned long linux_xattrs;
};
struct blob_descriptor;
unsigned long num_blobs_remaining;
struct list_head blob_list;
const struct read_blob_callbacks *saved_cbs;
- struct blob_descriptor *cur_blob;
- u64 cur_blob_offset;
struct filedes tmpfile_fd;
tchar *tmpfile_name;
unsigned int count_until_file_progress;
return report_error(ctx->progfunc, ctx->progctx, error_code, path);
}
-/* Returns any of the aliases of an inode that are being extracted. */
-#define inode_first_extraction_dentry(inode) \
- list_first_entry(&(inode)->i_extraction_aliases, \
- struct wim_dentry, d_extraction_alias_node)
+extern bool
+detect_sparse_region(const void *data, size_t size, size_t *len_ret);
+
+static inline bool
+maybe_detect_sparse_region(const void *data, size_t size, size_t *len_ret,
+ bool enabled)
+{
+ if (!enabled) {
+ /* Force non-sparse without checking */
+ *len_ret = size;
+ return false;
+ }
+ return detect_sparse_region(data, size, len_ret);
+}
+
+#define inode_first_extraction_dentry(inode) \
+ ((inode)->i_first_extraction_alias)
+
+#define inode_for_each_extraction_alias(dentry, inode) \
+ for (dentry = inode_first_extraction_dentry(inode); \
+ dentry != NULL; \
+ dentry = dentry->d_next_extraction_alias)
extern int
extract_blob_list(struct apply_ctx *ctx, const struct read_blob_callbacks *cbs);
*
* 'd_extraction_name' and 'd_extraction_name_nchars' of each dentry
* will be set to indicate the actual name with which the dentry should
- * be extracted. This may or may not be the same as 'file_name'.
- * TODO: really, the extraction backends should be responsible for
- * generating 'd_extraction_name'.
+ * be extracted. This may or may not be the same as 'd_name'. TODO:
+ * really, the extraction backends should be responsible for generating
+ * 'd_extraction_name'.
*
- * Each dentry will refer to a valid inode in 'd_inode'.
- * 'd_inode->i_extraction_aliases' will contain a list of just the
- * dentries of that inode being extracted. This will be a (possibly
- * nonproper) subset of the 'd_inode->i_dentry' list.
+ * Each dentry will refer to a valid inode in 'd_inode'. Each inode
+ * will contain a list of dentries of that inode being extracted; this
+ * list may be shorter than the inode's full dentry list.
*
* The blobs required to be extracted will already be prepared in
* 'apply_ctx'. The extraction backend should call extract_blob_list()
/*
* Query whether the unnamed data stream of the specified file will be
- * extracted as "externally backed". If so, the extraction backend is
- * assumed to handle this separately, and the common extraction code
- * will not register a usage of the unnamed data stream's blob.
+ * extracted as "externally backed" from the WIM archive itself. If so,
+ * then the extraction backend is assumed to handle this separately, and
+ * the common extraction code will not register a usage of the unnamed
+ * data stream's blob.
*
* This routine is optional.
*
* = 0 if the file will be externally backed.
* > 0 (wimlib error code) if another error occurred.
*/
- int (*will_externally_back)(struct wim_dentry *dentry, struct apply_ctx *ctx);
+ int (*will_back_from_wim)(struct wim_dentry *dentry, struct apply_ctx *ctx);
/*
* Size of the backend-specific extraction context. It must contain