X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fdentry.h;h=16cf5f37bba23200891fac458fca6e6f21385b79;hb=b3f993d2ece8fda5c989dc8c0311732fb20e3233;hp=26832a50f73c937263082edb82a7eb7e1e622f96;hpb=da2c501c4ca54063126290c2103f607e926c9989;p=wimlib

diff --git a/src/dentry.h b/src/dentry.h
index 26832a50..16cf5f37 100644
--- a/src/dentry.h
+++ b/src/dentry.h
@@ -83,6 +83,14 @@ static inline void destroy_ads_entry(struct ads_entry *entry)
 	memset(entry, 0, sizeof(entry));
 }
 
+static inline bool ads_entry_has_name(const struct ads_entry *entry,
+				      const char *name, size_t name_len)
+{
+	if (entry->stream_name_utf8_len != name_len)
+		return false;
+	return memcmp(entry->stream_name_utf8, name, name_len) == 0;
+}
+
 
 /* In-memory structure for a directory entry.  There is a directory tree for
  * each image in the WIM.  */
@@ -106,7 +114,6 @@ struct dentry {
 	 * included only the length field, but that takes up 8 bytes. */
 	u64 length;
 
-
 	/* The file attributes associated with this file. */
 	u32 attributes;
 
@@ -145,14 +152,6 @@ struct dentry {
 	 * read_dentry() function. */
 	//u32 reparse_reserved;
 
-	/* If the reparse_reserved field existed, there would be a 4-byte gap
-	 * here to align hard_link on an 8-byte field.  However,
-	 * reparse_reserved does not actually exist, so there is no gap here. */
-
-	/* If the file is part of a hard link set, all the directory entries in
-	 * the set will share the same value for this field. */
-	u64 hard_link;
-
 	/* Number of alternate data streams associated with this file. */
 	u16 num_ads;
 
@@ -184,12 +183,40 @@ struct dentry {
 	/* Alternate stream entries for this dentry. */
 	struct ads_entry *ads_entries;
 
-	/* Number of references to the dentry tree itself, as in multiple
-	 * WIMStructs */
-	int refcnt;
+	union {
+		/* Number of references to the dentry tree itself, as in multiple
+		 * WIMStructs */
+		int refcnt;
+
+		/* Number of times this dentry has been opened (only for
+		 * directories!) */
+		u32 num_times_opened;
+	};
+
+	/* If the file is part of a hard link set, all the directory entries in
+	 * the set will share the same value for this field. */
+	u64 hard_link;
+
+	enum {
+		/* This dentry is the owner of its ads_entries, although it may
+		 * be in a hard link set */
+		GROUP_INDEPENDENT,
+
+		/* This dentry is the owner of the ads_entries in the hard link
+		 * set */
+		GROUP_MASTER,
+
+		/* This dentry shares its ads_entries with a dentry in the hard
+		 * link set that has GROUP_MASTER set. */
+		GROUP_SLAVE
+	} link_group_master_status;
+
 
 	/* List of dentries in the hard link set */
 	struct list_head link_group_list;
+
+	/* Path to extracted file on disk (used during extraction only) */
+	char *extracted_file;
 };
 
 /* Return hash of the "unnamed" (default) data stream. */
@@ -205,6 +232,16 @@ static inline const u8 *dentry_hash(const struct dentry *dentry)
 	return dentry->hash;
 }
 
+static inline size_t dentry_link_group_size(const struct dentry *dentry)
+{
+	const struct list_head *cur = &dentry->link_group_list;
+	size_t size = 0;
+	do {
+		size++;
+		cur = cur->next;
+	} while (cur != &dentry->link_group_list);
+	return size;
+}
 
 extern struct ads_entry *dentry_get_ads_entry(struct dentry *dentry,
 					      const char *stream_name);
@@ -220,8 +257,8 @@ extern u64 dentry_total_length(const struct dentry *dentry);
 
 extern void stbuf_to_dentry(const struct stat *stbuf, struct dentry *dentry);
 
-extern void dentry_to_stbuf(const struct dentry *dentry, struct stat *stbuf, 
-			    const struct lookup_table *table);
+extern int dentry_to_stbuf(const struct dentry *dentry, struct stat *stbuf, 
+			   const struct lookup_table *table);
 
 extern int for_dentry_in_tree(struct dentry *root, 
 			      int (*visitor)(struct dentry*, void*), 
@@ -233,6 +270,9 @@ extern int for_dentry_in_tree_depth(struct dentry *root,
 
 extern int calculate_dentry_full_path(struct dentry *dentry, void *ignore);
 extern void calculate_subdir_offsets(struct dentry *dentry, u64 *subdir_offset_p);
+extern int get_names(char **name_utf16_ret, char **name_utf8_ret,
+	      	     u16 *name_utf16_len_ret, u16 *name_utf8_len_ret,
+	             const char *name);
 extern int change_dentry_name(struct dentry *dentry, const char *new_name);
 extern int change_ads_name(struct ads_entry *entry, const char *new_name);
 
@@ -250,7 +290,12 @@ extern void dentry_update_all_timestamps(struct dentry *dentry);
 extern void init_dentry(struct dentry *dentry, const char *name);
 extern struct dentry *new_dentry(const char *name);
 
+extern void dentry_free_ads_entries(struct dentry *dentry);
 extern void free_dentry(struct dentry *dentry);
+extern void put_dentry(struct dentry *dentry);
+extern int share_dentry_ads(struct dentry *master,
+			    struct dentry *slave);
+extern struct dentry *clone_dentry(struct dentry *old);
 extern void free_dentry_tree(struct dentry *root,
 			     struct lookup_table *lookup_table, 
 			     bool lt_decrement_refcnt);
@@ -272,8 +317,6 @@ extern int read_dentry_tree(const u8 metadata_resource[],
 
 extern u8 *write_dentry_tree(const struct dentry *tree, u8 *p);
 
-extern int dentry_set_symlink_buf(struct dentry *dentry,
-				  const u8 symlink_buf_hash[]);
 
 /* Inline utility functions for WIMDentries */