#ifndef _WIMLIB_DENTRY_H
#define _WIMLIB_DENTRY_H
+#include "wimlib/avl_tree.h"
+#include "wimlib/case.h"
#include "wimlib/compiler.h"
+#include "wimlib/inode.h"
#include "wimlib/list.h"
-#include "wimlib/rbtree.h"
-#include "wimlib/sha1.h"
#include "wimlib/types.h"
-#include <string.h>
-#include <sys/types.h> /* uid_t, gid_t */
-
-struct wim_lookup_table;
-struct wim_lookup_table_entry;
-struct wimfs_fd;
struct wim_inode;
-struct wim_security_data;
+struct wim_lookup_table;
-/* Size of the struct wim_dentry up to and including the file_name_len. */
-#define WIM_DENTRY_DISK_SIZE 102
-
-/*
- * Reparse tags documented at
- * http://msdn.microsoft.com/en-us/library/dd541667(v=prot.10).aspx
- */
-#define WIM_IO_REPARSE_TAG_RESERVED_ZERO 0x00000000
-#define WIM_IO_REPARSE_TAG_RESERVED_ONE 0x00000001
-#define WIM_IO_REPARSE_TAG_MOUNT_POINT 0xA0000003
-#define WIM_IO_REPARSE_TAG_HSM 0xC0000004
-#define WIM_IO_REPARSE_TAG_HSM2 0x80000006
-#define WIM_IO_REPARSE_TAG_DRIVER_EXTENDER 0x80000005
-#define WIM_IO_REPARSE_TAG_SIS 0x80000007
-#define WIM_IO_REPARSE_TAG_DFS 0x8000000A
-#define WIM_IO_REPARSE_TAG_DFSR 0x80000012
-#define WIM_IO_REPARSE_TAG_FILTER_MANAGER 0x8000000B
-#define WIM_IO_REPARSE_TAG_SYMLINK 0xA000000C
-
-#define FILE_ATTRIBUTE_READONLY 0x00000001
-#define FILE_ATTRIBUTE_HIDDEN 0x00000002
-#define FILE_ATTRIBUTE_SYSTEM 0x00000004
-#define FILE_ATTRIBUTE_DIRECTORY 0x00000010
-#define FILE_ATTRIBUTE_ARCHIVE 0x00000020
-#define FILE_ATTRIBUTE_DEVICE 0x00000040
-#define FILE_ATTRIBUTE_NORMAL 0x00000080
-#define FILE_ATTRIBUTE_TEMPORARY 0x00000100
-#define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200
-#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400
-#define FILE_ATTRIBUTE_COMPRESSED 0x00000800
-#define FILE_ATTRIBUTE_OFFLINE 0x00001000
-#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000
-#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000
-#define FILE_ATTRIBUTE_VIRTUAL 0x00010000
-
-
-/* Alternate data stream entry.
- *
- * We read this from disk in the read_ads_entries() function; see that function
- * for more explanation. */
-struct wim_ads_entry {
- union {
- /* SHA-1 message digest of stream contents */
- u8 hash[SHA1_HASH_SIZE];
-
- /* The corresponding lookup table entry (only for resolved
- * streams) */
- struct wim_lookup_table_entry *lte;
- };
-
- /* Length of UTF16-encoded stream name, in bytes, not including the
- * terminating null character; or 0 if the stream is unnamed. */
- u16 stream_name_nbytes;
-
- /* Number to identify an alternate data stream even after it's possibly
- * been moved or renamed. */
- u32 stream_id;
-
- /* Stream name (UTF-16LE), null-terminated, or NULL if the stream is
- * unnamed. */
- utf16lechar *stream_name;
-
- /* Reserved field. We read it into memory so we can write it out
- * unchanged. */
- u64 reserved;
-};
-
-
-static inline bool
-ads_entries_have_same_name(const struct wim_ads_entry *entry_1,
- const struct wim_ads_entry *entry_2)
-{
- return entry_1->stream_name_nbytes == entry_2->stream_name_nbytes &&
- memcmp(entry_1->stream_name, entry_2->stream_name,
- entry_1->stream_name_nbytes) == 0;
-}
+/* Base size of a WIM dentry in the on-disk format, up to and including the file
+ * name length. This does not include the variable-length file name, short
+ * name, alternate data stream entries, and padding to 8-byte boundaries. */
+#define WIM_DENTRY_DISK_SIZE 102
/*
* In-memory structure for a WIM directory entry (dentry). There is a directory
* tree for each image in the WIM.
*
* Note that this is a directory entry and not an inode. Since NTFS allows hard
- * links, it's possible for a NTFS inode to correspond to multiple WIM dentries.
+ * links, it's possible for an NTFS inode to correspond to multiple WIM dentries.
* The hard link group ID field of the on-disk WIM dentry tells us the number of
* the NTFS inode that the dentry corresponds to (and this gets placed in
* d_inode->i_ino).
* that Microsoft may have fixed this problem, since I've only noticed it in the
* 'install.wim' for Windows 7). For those dentries, we have to use the
* conflicting fields to split up the hard link groups. (See
- * dentry_tree_fix_inodes() in hardlink.c).
+ * dentry_tree_fix_inodes() in inode_fixup.c.)
*/
struct wim_dentry {
/* Pointer to the inode for this dentry. This will contain some
* to all dentries in a hard link group. */
struct wim_inode *d_inode;
- /* Node for the parent's red-black tree of child dentries, sorted by
- * case sensitive long name. */
- struct rb_node rb_node;
+ /* Node for the parent's balanced binary search tree of child dentries
+ * sorted by case sensitive long name (root i_children). */
+ struct avl_tree_node d_index_node;
-#ifdef __WIN32__
- /* Node for the parent's red-black tree of child dentries, sorted by
- * case insensitive long name. */
- struct rb_node rb_node_case_insensitive;
+ /* Node for the parent's balanced binary search tree of child dentries,
+ * sorted by case insensitive long name (root i_children_ci). */
+ struct avl_tree_node d_index_node_ci;
/* List of dentries in a directory that have different case sensitive
- * long names but share the same case insensitive long name */
- struct list_head case_insensitive_conflict_list;
-#endif
+ * long names but share the same case insensitive long name. */
+ struct list_head d_ci_conflict_list;
+
+ /* The parent of this directory entry. */
+ struct wim_dentry *d_parent;
+
+ /* Linked list node that places this dentry in the list of aliases for
+ * its inode (d_inode) */
+ struct list_head d_alias;
+
+ /* Pointer to the UTF-16LE short filename (malloc()ed buffer), or NULL
+ * if this dentry has no short name. */
+ utf16lechar *short_name;
+
+ /* Pointer to the UTF-16LE filename (malloc()ed buffer), or NULL if this
+ * dentry has no filename. */
+ utf16lechar *file_name;
/* Length of UTF-16LE encoded short filename, in bytes, not including
* the terminating zero wide-character. */
* the terminating null character. */
u16 file_name_nbytes;
- /* Length of full path name encoded using "tchars", in bytes, not
- * including the terminating null character. */
- u32 full_path_nbytes;
-
- /* For extraction operations, this flag will be set when a dentry in the
- * tree being extracted is not being extracted for some reason (file
- * type not supported by target filesystem or contains invalid
- * characters). Otherwise this will always be 0. */
- u8 extraction_skipped : 1;
-
- /* When capturing from a NTFS volume using NTFS-3g, this flag is set on
+ /* When capturing from an NTFS volume using NTFS-3g, this flag is set on
* dentries that were created from a filename in the WIN32 or WIN32+DOS
* namespaces rather than the POSIX namespace. Otherwise this will
* always be 0. */
u8 is_win32_name : 1;
- /* When verifying the dentry tree after reading it into memory, this
- * flag will be set on all dentries in a hard link group that have a
- * nonempty DOS name except one. This is because it is supposed to be
- * illegal (on NTFS, at least) for a single inode to have multiple DOS
- * names. */
- u8 dos_name_invalid : 1;
-
+ /* Temporary flag; always reset to 0 when done using. */
u8 tmp_flag : 1;
- u8 was_hardlinked : 1;
+ /* Used by wimlib_update_image() */
+ u8 is_orphan : 1;
- /* Temporary list field used to make lists of dentries in a few places.
- * */
- struct list_head tmp_list;
-
- /* Linked list node that places this dentry in the list of aliases for
- * its inode (d_inode) */
- struct list_head d_alias;
-
- /* The parent of this directory entry. */
- struct wim_dentry *parent;
-
- /* 'length' and 'subdir_offset' are only used while reading and writing
- * this dentry; see the corresponding field in
- * `struct wim_dentry_on_disk' for explanation. */
- u64 length;
- u64 subdir_offset;
-
- /* These correspond to the two unused fields in the on-disk WIM dentry;
- * we read them into memory so we can write them unchanged. These
- * fields are set to 0 on new dentries. */
- u64 d_unused_1;
- u64 d_unused_2;
-
- /* Pointer to the UTF-16LE short filename (malloc()ed buffer), or NULL
- * if this dentry has no short name. */
- utf16lechar *short_name;
+ union {
+ /* 'subdir_offset' is only used while reading and writing this
+ * dentry. See the corresponding field in `struct
+ * wim_dentry_on_disk' for explanation. */
+ u64 subdir_offset;
- /* Pointer to the UTF-16LE filename (malloc()ed buffer), or NULL if this
- * dentry has no filename. */
- utf16lechar *file_name;
+ /* Temporary list field */
+ struct list_head tmp_list;
+ };
/* Full path to this dentry in the WIM, in platform-dependent tchars
* that can be printed without conversion. By default this field will
* calculate_dentry_full_path() or dentry_full_path() functions. */
tchar *_full_path;
- /* (Extraction only) Actual name to extract this dentry as, along with
- * its length in tchars excluding the NULL terminator. This usually
- * will be the same as file_name, with the character encoding converted
- * if needed. But if file_name contains characters not accepted on the
- * current platform, then this may be set slightly differently from
- * file_name. This will be either NULL or a malloc()ed buffer that may
- * alias file_name. */
- tchar *extraction_name;
- size_t extraction_name_nchars;
-
- /* (Extraction only) List head for building a list of dentries that
- * contain a certain stream. */
- struct list_head extraction_stream_list;
-};
+ /* (Extraction only) Actual name to extract this dentry as. This may be
+ * either in 'tchars' or in 'utf16lechars', depending on what encoding
+ * the extraction backend needs. This may alias 'file_name'. If it
+ * doesn't, it is an allocated buffer which must be freed. */
+ void *d_extraction_name;
-#define rbnode_dentry(node) container_of(node, struct wim_dentry, rb_node)
+ /* (Extraction only) Number of characters in d_extraction_name. */
+ size_t d_extraction_name_nchars;
-/*
- * WIM inode.
- *
- * As mentioned in the comment above `struct wim_dentry', in the WIM file that
- * 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.
- */
-struct wim_inode {
- /* If i_resolved == 0:
- * SHA1 message digest of the contents of the unnamed-data stream
- * of this inode.
- *
- * If i_resolved == 1:
- * Pointer to the lookup table entry for the unnamed data stream
- * of this inode, or NULL.
- *
- * i_hash corresponds to the 'unnamed_stream_hash' field of the `struct
- * wim_dentry_on_disk' and the additional caveats documented about that
- * field apply here (for example, the quirks regarding all-zero hashes).
- */
- union {
- u8 i_hash[SHA1_HASH_SIZE];
- struct wim_lookup_table_entry *i_lte;
- };
-
- /* Corresponds to the 'attributes' field of `struct wim_dentry_on_disk';
- * bitwise OR of the FILE_ATTRIBUTE_* flags that give the attributes of
- * this inode. */
- u32 i_attributes;
-
- /* Root of a red-black tree storing the child dentries of this inode, if
- * any. Keyed by wim_dentry->file_name, case sensitively. */
- struct rb_root i_children;
-
-#ifdef __WIN32__
- /* Root of a red-black tree storing the children of this inode, if any.
- * Keyed by wim_dentry->file_name, case insensitively. */
- struct rb_root i_children_case_insensitive;
-#endif
-
- /* List of dentries that are aliases for this inode. There will be
- * i_nlink dentries in this list. */
- struct list_head i_dentry;
-
- /* Field to place this inode into a list. */
- union {
- /* Hash list node- used in hardlink.c when the inodes are placed
- * into a hash table keyed by inode number and optionally device
- * number, in order to detect dentries that are aliases for the
- * same inode. */
- struct hlist_node i_hlist;
-
- /* Normal list node- used to connect all the inodes of a WIM image
- * into a single linked list referenced from the
- * `struct wim_image_metadata' for that image. */
- struct list_head i_list;
- };
-
- /* Number of dentries that are aliases for this inode. */
- u32 i_nlink;
-
- /* Number of alternate data streams associated with this inode */
- u16 i_num_ads;
-
- /* Flag that indicates whether this inode's streams have been
- * "resolved". By default, the inode starts as "unresolved", meaning
- * that the i_hash field, along with the hash field of any associated
- * wim_ads_entry's, are valid and should be used as keys in the WIM
- * lookup table to find the associated `struct wim_lookup_table_entry'.
- * But if the inode has been resolved, then each of these fields is
- * replaced with a pointer directly to the appropriate `struct
- * wim_lookup_table_entry', or NULL if the stream is empty. */
- u8 i_resolved : 1;
-
- /* Flag used to mark this inode as visited; this is used when visiting
- * all the inodes in a dentry tree exactly once. It will be 0 by
- * default and must be cleared following the tree traversal, even in
- * error paths. */
- u8 i_visited : 1;
-
- /* Pointer to a malloc()ed array of i_num_ads alternate data stream
- * entries for this inode. */
- struct wim_ads_entry *i_ads_entries;
-
- /* Creation time, last access time, and last write time for this inode, in
- * 100-nanosecond intervals since 12:00 a.m UTC January 1, 1601. They
- * should correspond to the times gotten by calling GetFileTime() on
- * Windows. */
- u64 i_creation_time;
- u64 i_last_access_time;
- u64 i_last_write_time;
-
- /* 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. */
- int32_t i_security_id;
-
- /* Identity of a reparse point. See
- * http://msdn.microsoft.com/en-us/library/windows/desktop/aa365503(v=vs.85).aspx
- * for what a reparse point is. */
- u32 i_reparse_tag;
-
- /* Unused/unknown fields that we just read into memory so we can
- * re-write them unchanged. */
- u32 i_rp_unknown_1;
- u16 i_rp_unknown_2;
-
- /* Corresponds to not_rpfixed in `struct wim_dentry_on_disk': Set to 0
- * if reparse point fixups have been done. Otherwise set to 1. Note:
- * this actually may reflect the SYMBOLIC_LINK_RELATIVE flag.
- */
- u16 i_not_rpfixed;
-
- /* Inode number; corresponds to hard_link_group_id in the `struct
- * wim_dentry_on_disk'. */
- u64 i_ino;
+ /* (Extraction only) Linked list node that connects all dentries being
+ * extracted as part of the current extraction operation. */
+ struct list_head d_extraction_list_node;
- union {
- /* Device number, used only during image capture, so we can
- * identify hard linked files by the combination of inode number
- * and device number (rather than just inode number, which could
- * be ambigious if the captured tree spans a mountpoint). Set
- * to 0 otherwise. */
- u64 i_devno;
-
- /* Used only during image extraction: pointer to the first path
- * (malloc()ed buffer) at which this inode has been extracted.
- * Freed and set to NULL after the extraction is done (either
- * success or failure). */
- tchar *i_extracted_file;
-
-#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 {
- struct wimfs_fd **i_fds;
- u16 i_num_opened_fds;
- u16 i_num_allocated_fds;
- };
-#endif
- };
-
- /* Next alternate data stream ID to be assigned */
- u32 i_next_stream_id;
+ /* (Extraction only) Linked list node that connects all dentries being
+ * extracted as aliases of the same inode as part of the current
+ * extraction operation. */
+ struct list_head d_extraction_alias_node;
};
-#define inode_for_each_dentry(dentry, inode) \
- list_for_each_entry((dentry), &(inode)->i_dentry, d_alias)
-
-#define inode_add_dentry(dentry, inode) \
- list_add_tail(&(dentry)->d_alias, &(inode)->i_dentry)
-
-#define inode_first_dentry(inode) \
- container_of(inode->i_dentry.next, struct wim_dentry, d_alias)
-
-#define inode_first_full_path(inode) \
- dentry_full_path(inode_first_dentry(inode))
-
static inline bool
dentry_is_first_in_inode(const struct wim_dentry *dentry)
{
return inode_first_dentry(dentry->d_inode) == dentry;
}
+static inline bool
+will_extract_dentry(const struct wim_dentry *dentry)
+{
+ return dentry->d_extraction_list_node.next != NULL;
+}
+
extern u64
-dentry_correct_total_length(const struct wim_dentry *dentry);
+dentry_out_total_length(const struct wim_dentry *dentry);
extern int
for_dentry_in_tree(struct wim_dentry *root,
int (*visitor)(struct wim_dentry*, void*),
void *args);
-extern int
-for_dentry_in_rbtree(struct rb_node *node,
- int (*visitor)(struct wim_dentry *, void *),
- void *arg);
-
-static inline int
-for_dentry_child(const struct wim_dentry *dentry,
- int (*visitor)(struct wim_dentry *, void *),
- void *arg)
-{
- return for_dentry_in_rbtree(dentry->d_inode->i_children.rb_node,
- visitor,
- arg);
-}
-
-extern int
-for_dentry_in_tree_depth(struct wim_dentry *root,
- int (*visitor)(struct wim_dentry*, void*),
- void *args);
+/* Iterate through each @child dentry of the @dir directory inode,
+ * in sorted order (by case sensitive name). */
+#define for_inode_child(child, dir) \
+ avl_tree_for_each_in_order((child), (dir)->i_children, \
+ struct wim_dentry, d_index_node)
+
+/* Iterate through each @child dentry of the @parent dentry,
+ * in sorted order (by case sensitive name). */
+#define for_dentry_child(child, parent) \
+ for_inode_child((child), (parent)->d_inode)
+
+/* Iterate through each @child dentry of the @dir directory inode,
+ * in postorder (safe for freeing the child dentries). */
+#define for_inode_child_postorder(child, dir) \
+ avl_tree_for_each_in_postorder((child), (dir)->i_children, \
+ struct wim_dentry, d_index_node)
+
+/* Iterate through each @child dentry of the @parent dentry,
+ * in postorder (safe for freeing the child dentries). */
+#define for_dentry_child_postorder(child, parent) \
+ for_inode_child_postorder((child), (parent)->d_inode)
+
+/* Get any child dentry of the @dir directory inode. Requires
+ * inode_has_children(@dir) == true. */
+#define inode_any_child(dir) \
+ avl_tree_entry((dir)->i_children, struct wim_dentry, d_index_node)
+
+/* Get any child dentry of the @parent dentry. Requires
+ * dentry_has_children(@parent) == true. */
+#define dentry_any_child(parent) \
+ inode_any_child((parent)->d_inode)
extern void
-calculate_subdir_offsets(struct wim_dentry *dentry, u64 *subdir_offset_p);
+calculate_subdir_offsets(struct wim_dentry *root, u64 *subdir_offset_p);
extern int
-set_dentry_name(struct wim_dentry *dentry, const tchar *new_name);
+dentry_set_name(struct wim_dentry *dentry, const tchar *new_name);
-extern struct wim_dentry *
-get_dentry(struct WIMStruct *wim, const tchar *path);
+extern int
+dentry_set_name_utf16le(struct wim_dentry *dentry, const utf16lechar *new_name,
+ size_t new_name_nbytes);
-extern struct wim_inode *
-wim_pathname_to_inode(struct WIMStruct *wim, const tchar *path);
+extern struct wim_dentry *
+get_dentry(struct WIMStruct *wim, const tchar *path,
+ CASE_SENSITIVITY_TYPE case_type);
extern struct wim_dentry *
get_dentry_child_with_name(const struct wim_dentry *dentry,
- const tchar *name);
+ const tchar *name,
+ CASE_SENSITIVITY_TYPE case_type);
extern struct wim_dentry *
get_dentry_child_with_utf16le_name(const struct wim_dentry *dentry,
const utf16lechar *name,
- size_t name_nbytes);
+ size_t name_nbytes,
+ CASE_SENSITIVITY_TYPE case_type);
extern struct wim_dentry *
-get_parent_dentry(struct WIMStruct *wim, const tchar *path);
-
-extern int
-print_dentry(struct wim_dentry *dentry, void *lookup_table);
-
-extern int
-print_dentry_full_path(struct wim_dentry *entry, void *ignore);
+get_parent_dentry(struct WIMStruct *wim, const tchar *path,
+ CASE_SENSITIVITY_TYPE case_type);
extern int
calculate_dentry_full_path(struct wim_dentry *dentry);
-extern int
-calculate_dentry_tree_full_paths(struct wim_dentry *root);
-
extern tchar *
dentry_full_path(struct wim_dentry *dentry);
-extern struct wim_inode *
-new_timeless_inode(void) _malloc_attribute;
-
extern int
new_dentry(const tchar *name, struct wim_dentry **dentry_ret);
extern int
new_dentry_with_timeless_inode(const tchar *name, struct wim_dentry **dentry_ret);
-extern int
-new_filler_directory(const tchar *name, struct wim_dentry **dentry_ret);
-
extern void
-free_inode(struct wim_inode *inode);
+dentry_tree_clear_inode_visited(struct wim_dentry *root);
-extern void
-free_dentry(struct wim_dentry *dentry);
+extern int
+new_filler_directory(struct wim_dentry **dentry_ret);
extern void
-put_dentry(struct wim_dentry *dentry);
+free_dentry(struct wim_dentry *dentry);
extern void
free_dentry_tree(struct wim_dentry *root,
unlink_dentry(struct wim_dentry *dentry);
extern struct wim_dentry *
-dentry_add_child(struct wim_dentry * restrict parent,
- struct wim_dentry * restrict child);
-
-extern struct wim_ads_entry *
-inode_get_ads_entry(struct wim_inode *inode, const tchar *stream_name,
- u16 *idx_ret);
-
-extern struct wim_ads_entry *
-inode_add_ads_utf16le(struct wim_inode *inode,
- const utf16lechar *stream_name,
- size_t stream_name_nbytes);
+dentry_add_child(struct wim_dentry *parent, struct wim_dentry *child);
-extern struct wim_ads_entry *
-inode_add_ads(struct wim_inode *dentry, const tchar *stream_name);
+struct update_command_journal;
extern int
-inode_add_ads_with_data(struct wim_inode *inode, const tchar *name,
- const void *value, size_t size,
- struct wim_lookup_table *lookup_table);
+rename_wim_path(WIMStruct *wim, const tchar *from, const tchar *to,
+ CASE_SENSITIVITY_TYPE case_type,
+ struct update_command_journal *j);
-bool
-inode_has_named_stream(const struct wim_inode *inode);
extern int
-inode_set_unnamed_stream(struct wim_inode *inode, const void *data, size_t len,
- struct wim_lookup_table *lookup_table);
-
-extern void
-inode_remove_ads(struct wim_inode *inode, u16 idx,
- struct wim_lookup_table *lookup_table);
-
-
-#define WIMLIB_UNIX_DATA_TAG "$$__wimlib_UNIX_data"
-#define WIMLIB_UNIX_DATA_TAG_NBYTES (sizeof(WIMLIB_UNIX_DATA_TAG) - 1)
-
-#define WIMLIB_UNIX_DATA_TAG_UTF16LE "$\0$\0_\0_\0w\0i\0m\0l\0i\0b\0_\0U\0N\0I\0X\0_\0d\0a\0t\0a\0"
-#define WIMLIB_UNIX_DATA_TAG_UTF16LE_NBYTES (sizeof(WIMLIB_UNIX_DATA_TAG_UTF16LE) - 1)
-
-static inline bool
-ads_entry_is_unix_data(const struct wim_ads_entry *entry)
-{
- return (entry->stream_name_nbytes ==
- WIMLIB_UNIX_DATA_TAG_UTF16LE_NBYTES) &&
- !memcmp(entry->stream_name, WIMLIB_UNIX_DATA_TAG_UTF16LE,
- WIMLIB_UNIX_DATA_TAG_UTF16LE_NBYTES);
-}
-
-static inline bool
-ads_entry_is_named_stream(const struct wim_ads_entry *entry)
-{
- return entry->stream_name_nbytes != 0 && !ads_entry_is_unix_data(entry);
-}
-
-#ifndef __WIN32__
-/* Format for special alternate data stream entries to store UNIX data for files
- * and directories (see: WIMLIB_ADD_FLAG_UNIX_DATA) */
-struct wimlib_unix_data {
- u16 version; /* Must be 0 */
- u16 uid;
- u16 gid;
- u16 mode;
-} _packed_attribute;
-
-#define NO_UNIX_DATA (-1)
-#define BAD_UNIX_DATA (-2)
-extern int
-inode_get_unix_data(const struct wim_inode *inode,
- struct wimlib_unix_data *unix_data,
- u16 *stream_idx_ret);
-
-#define UNIX_DATA_UID 0x1
-#define UNIX_DATA_GID 0x2
-#define UNIX_DATA_MODE 0x4
-#define UNIX_DATA_ALL (UNIX_DATA_UID | UNIX_DATA_GID | UNIX_DATA_MODE)
-#define UNIX_DATA_CREATE 0x8
-extern int
-inode_set_unix_data(struct wim_inode *inode, uid_t uid, gid_t gid, mode_t mode,
- struct wim_lookup_table *lookup_table, int which);
-#endif /* !__WIN32__ */
-
-extern bool
-inode_has_unix_data(const struct wim_inode *inode);
-
-extern int
-read_dentry(const u8 * restrict metadata_resource,
- u64 metadata_resource_len, u64 offset,
- struct wim_dentry * restrict dentry);
-
-extern int
-read_dentry_tree(const u8 * restrict metadata_resource,
- u64 metadata_resource_len,
- struct wim_dentry * restrict dentry);
+read_dentry_tree(const u8 *buf, size_t buf_len,
+ u64 root_offset, struct wim_dentry **root_ret);
extern u8 *
-write_dentry_tree(const struct wim_dentry * restrict tree,
- u8 * restrict p);
+write_dentry_tree(struct wim_dentry *root, u8 *p);
static inline bool
dentry_is_root(const struct wim_dentry *dentry)
{
- return dentry->parent == dentry;
-}
-
-static inline bool
-inode_is_directory(const struct wim_inode *inode)
-{
- return (inode->i_attributes & (FILE_ATTRIBUTE_DIRECTORY |
- FILE_ATTRIBUTE_REPARSE_POINT))
- == FILE_ATTRIBUTE_DIRECTORY;
-}
-
-static inline bool
-inode_is_encrypted_directory(const struct wim_inode *inode)
-{
- return ((inode->i_attributes & (FILE_ATTRIBUTE_DIRECTORY |
- FILE_ATTRIBUTE_ENCRYPTED))
- == (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_ENCRYPTED));
+ return dentry->d_parent == dentry;
}
static inline bool
return inode_is_directory(dentry->d_inode);
}
-/* For our purposes, we consider "real" symlinks and "junction points" to both
- * be symlinks. */
-static inline bool
-inode_is_symlink(const struct wim_inode *inode)
-{
- return (inode->i_attributes & FILE_ATTRIBUTE_REPARSE_POINT)
- && (inode->i_reparse_tag == WIM_IO_REPARSE_TAG_SYMLINK ||
- inode->i_reparse_tag == WIM_IO_REPARSE_TAG_MOUNT_POINT);
-}
-
-static inline bool
-inode_has_children(const struct wim_inode *inode)
-{
- return inode->i_children.rb_node != NULL;
-}
-
static inline bool
dentry_has_children(const struct wim_dentry *dentry)
{
{
return dentry->file_name_nbytes != 0;
}
-
-extern void
-inode_ref_streams(struct wim_inode *inode);
-
-extern int
-dentry_tree_fix_inodes(struct wim_dentry *root, struct list_head *inode_list);
-
-extern int
-verify_inode(struct wim_inode *inode, const struct wim_security_data *sd);
-
#endif /* _WIMLIB_DENTRY_H */