/*
* WIM inode.
*
- * As mentioned in the comment above `struct wim_dentry', in the WIM file that
+ * As mentioned in the comment above `struct wim_dentry', in WIM files there
* is no on-disk analogue of a real inode, as most of these fields are
* duplicated in the dentries. Instead, a `struct wim_inode' is something we
* create ourselves to simplify the handling of hard links.
/* Corresponds to 'security_id' in `struct wim_dentry_on_disk': The
* index of this inode's security descriptor in the WIM image's table of
- * security descriptors, or -1. Note: in verify_inode(), called
- * whenever a WIM image is loaded, out-of-bounds indices are set to -1,
- * so the extraction code does not need to do bounds checks. */
+ * security descriptors, or -1. Note: when a WIM image is loaded,
+ * wimlib sets out-of-bounds indices and values less than -1 in this
+ * field to -1. So the extraction code need not do an upper bound check
+ * after checking for -1 (or equivalently < 0). */
int32_t i_security_id;
/* Identity of a reparse point. See
#endif
};
+ /* Used during WIM writing with
+ * WIMLIB_WRITE_FLAG_SEND_DONE_WITH_FILE_MESSAGES: the number
+ * of data streams this inode has that have not yet been fully
+ * read. */
+ u32 num_remaining_streams;
+
#ifdef WITH_FUSE
- /* Used only during image mount: Table of file descriptors that
- * have been opened to this inode. The table is automatically
- * freed when the last file descriptor is closed. */
- struct wimfs_fd **i_fds;
+ struct {
+ /* Used only during image mount: Table of file
+ * descriptors that have been opened to this inode.
+ * This table is freed when the last file descriptor is
+ * closed. */
+ struct wimfs_fd **i_fds;
+
+ /* Lower bound on the index of the next available entry
+ * in 'i_fds'. */
+ u16 i_next_fd;
+ };
#endif
};
dentry_full_path(inode_first_dentry(inode))
extern struct wim_ads_entry *
-inode_get_ads_entry(struct wim_inode *inode, const tchar *stream_name,
- u16 *idx_ret);
+inode_get_ads_entry(struct wim_inode *inode, const tchar *stream_name);
extern struct wim_ads_entry *
inode_add_ads_utf16le(struct wim_inode *inode,
extern struct wim_ads_entry *
inode_add_ads(struct wim_inode *dentry, const tchar *stream_name);
-extern int
+extern struct wim_ads_entry *
inode_add_ads_with_data(struct wim_inode *inode, const tchar *name,
const void *value, size_t size,
struct wim_lookup_table *lookup_table);
struct wim_lookup_table *lookup_table);
extern void
-inode_remove_ads(struct wim_inode *inode, u16 idx,
+inode_remove_ads(struct wim_inode *inode, struct wim_ads_entry *entry,
struct wim_lookup_table *lookup_table);
+/*
+ * Does the specified alternate data stream entry correspond to a named stream?
+ *
+ * See inode_needs_dummy_stream() for explanation of why an alternate data
+ * stream entry might, in fact, not be named...
+ */
static inline bool
ads_entry_is_named_stream(const struct wim_ads_entry *entry)
{
return inode->i_ads_entries[stream_idx - 1].stream_name_nbytes;
}
+static inline u32
+inode_stream_idx_to_id(const struct wim_inode *inode, unsigned stream_idx)
+{
+ if (stream_idx == 0)
+ return 0;
+ else
+ return inode->i_ads_entries[stream_idx - 1].stream_id;
+}
+
extern struct wim_lookup_table_entry *
inode_unnamed_stream_resolved(const struct wim_inode *inode, u16 *stream_idx_ret);
extern int
read_ads_entries(const u8 * restrict p, struct wim_inode * restrict inode,
- size_t nbytes_remaining);
+ size_t *nbytes_remaining_p);
-extern int
-verify_inode(struct wim_inode *inode, const struct wim_security_data *sd);
+extern void
+check_inode(struct wim_inode *inode, const struct wim_security_data *sd);
extern void
inode_ref_streams(struct wim_inode *inode);