wimfs_write(), dentry_to_stbuf()

[wimlib] / src / dentry.h

diff --git a/src/dentry.h b/src/dentry.h
index c1d167765b86dc527d1c9a003f5d9fb9abf1a26d..3a3432eadbeafe36a41839235404b53b33884d2f 100644 (file)
--- a/src/dentry.h
+++ b/src/dentry.h
@@ -3,8 +3,10 @@
 
 #include "util.h"
 #include "config.h"
+#include "list.h"
 #include <string.h>
 
+
 struct stat;
 struct lookup_table;
 typedef struct WIMStruct WIMStruct;
@@ -81,6 +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.  */
@@ -182,14 +192,23 @@ 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;
-
-       /* Next dentry in the hard link set */
-       //struct dentry *next_dentry_in_link_set;
-       /* Next hard link that has a lookup table entry */
-       //struct dentry *next_link_set;
+       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;
+       };
+
+       /* List of dentries in the hard link set */
+       enum {
+               GROUP_INDEPENDENT,
+               GROUP_MASTER,
+               GROUP_SLAVE
+       } link_group_master_status;
+       struct list_head link_group_list;
 };
 
 /* Return hash of the "unnamed" (default) data stream. */
@@ -205,6 +224,16 @@ 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 +249,8 @@ 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 +262,9 @@ 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 +282,12 @@ 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 +309,6 @@ 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 */