- wimlib_assert(root_dentry != NULL);
-
- DEBUG("Reallocating image metadata array for image_count = %u",
- w->hdr.image_count + 1);
- imd = CALLOC((w->hdr.image_count + 1), sizeof(struct image_metadata));
-
- if (!imd) {
- ERROR("Failed to allocate memory for new image metadata array");
- goto err;
- }
-
- memcpy(imd, w->image_metadata,
- w->hdr.image_count * sizeof(struct image_metadata));
-
- metadata_lte = new_lookup_table_entry();
- if (!metadata_lte)
- goto err_free_imd;
-
- metadata_lte->resource_entry.flags = WIM_RESHDR_FLAG_METADATA;
- random_hash(metadata_lte->hash);
- lookup_table_insert(w->lookup_table, metadata_lte);
-
- new_imd = &imd[w->hdr.image_count];
-
- new_imd->root_dentry = root_dentry;
- new_imd->metadata_lte = metadata_lte;
- new_imd->security_data = sd;
- new_imd->modified = true;
-
- FREE(w->image_metadata);
- w->image_metadata = imd;
- w->hdr.image_count++;
-
- /* Change the current image to the new one. There should not be any
- * ways for this to fail, since the image is valid and the dentry tree
- * is already in memory. */
- ret = select_wim_image(w, w->hdr.image_count);
- wimlib_assert(ret == 0);
- return ret;
-err_free_imd:
- FREE(imd);
-err:
- return WIMLIB_ERR_NOMEM;
-
-}
-
-
-/*
- * Recursively builds a dentry tree from a directory tree on disk, outside the
- * WIM file.
- *
- * @root_ret: Place to return a pointer to the root of the dentry tree. Only
- * modified if successful. NULL if the file or directory was
- * excluded from capture.
- *
- * @root_disk_path: The path to the root of the directory tree on disk.
- *
- * @lookup_table: The lookup table for the WIM file. For each file added to the
- * dentry tree being built, an entry is added to the lookup table,
- * unless an identical stream is already in the lookup table.
- * These lookup table entries that are added point to the path of
- * the file on disk.
- *
- * @sd: Ignored. (Security data only captured in NTFS mode.)
- *
- * @capture_config:
- * Configuration for files to be excluded from capture.
- *
- * @add_flags: Bitwise or of WIMLIB_ADD_IMAGE_FLAG_*
- *
- * @extra_arg: Ignored. (Only used in NTFS mode.)
- *
- * @return: 0 on success, nonzero on failure. It is a failure if any of
- * the files cannot be `stat'ed, or if any of the needed
- * directories cannot be opened or read. Failure to add the files
- * to the WIM may still occur later when trying to actually read
- * the on-disk files during a call to wimlib_write() or
- * wimlib_overwrite().
- */
-static int build_dentry_tree(struct dentry **root_ret,
- const char *root_disk_path,
- struct lookup_table *lookup_table,
- struct wim_security_data *sd,
- const struct capture_config *config,
- int add_image_flags,
- wimlib_progress_func_t progress_func,
- void *extra_arg)
-{
- struct stat root_stbuf;
- int ret = 0;
- int (*stat_fn)(const char *restrict, struct stat *restrict);
- struct dentry *root;
- const char *filename;
- struct inode *inode;
-
- if (exclude_path(root_disk_path, config, true)) {
- if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_ROOT) {
- ERROR("Cannot exclude the root directory from capture");
- return WIMLIB_ERR_INVALID_CAPTURE_CONFIG;
- }
- if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE)
- && progress_func)
- {
- union wimlib_progress_info info;
- info.scan.cur_path = root_disk_path;
- info.scan.excluded = true;
- progress_func(WIMLIB_PROGRESS_MSG_SCAN_DENTRY, &info);
- }
- *root_ret = NULL;
- return 0;
- }
-
- if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE)
- && progress_func)
- {
- union wimlib_progress_info info;
- info.scan.cur_path = root_disk_path;
- info.scan.excluded = false;
- progress_func(WIMLIB_PROGRESS_MSG_SCAN_DENTRY, &info);
- }
-
- if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE)
- stat_fn = stat;
- else
- stat_fn = lstat;
-
- ret = (*stat_fn)(root_disk_path, &root_stbuf);
- if (ret != 0) {
- ERROR_WITH_ERRNO("Failed to stat `%s'", root_disk_path);
- return WIMLIB_ERR_STAT;
- }
-
- if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_ROOT) &&
- !S_ISDIR(root_stbuf.st_mode))
- {
- /* Do a dereference-stat in case the root is a symbolic link.
- * This case is allowed, provided that the symbolic link points
- * to a directory. */
- ret = stat(root_disk_path, &root_stbuf);
- if (ret != 0) {
- ERROR_WITH_ERRNO("Failed to stat `%s'", root_disk_path);
- return WIMLIB_ERR_STAT;
- }
- if (!S_ISDIR(root_stbuf.st_mode)) {
- ERROR("`%s' is not a directory", root_disk_path);
- return WIMLIB_ERR_NOTDIR;
- }
- }
- if (!S_ISREG(root_stbuf.st_mode) && !S_ISDIR(root_stbuf.st_mode)
- && !S_ISLNK(root_stbuf.st_mode)) {
- ERROR("`%s' is not a regular file, directory, or symbolic link.",
- root_disk_path);
- return WIMLIB_ERR_SPECIAL_FILE;
- }
-
- if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_ROOT)
- filename = "";
- else
- filename = path_basename(root_disk_path);
-
- root = new_dentry_with_timeless_inode(filename);
- if (!root)
- return WIMLIB_ERR_NOMEM;
-
- inode = root->d_inode;
-
-#ifdef HAVE_STAT_NANOSECOND_PRECISION
- inode->creation_time = timespec_to_wim_timestamp(&root_stbuf.st_mtim);
- inode->last_write_time = timespec_to_wim_timestamp(&root_stbuf.st_mtim);
- inode->last_access_time = timespec_to_wim_timestamp(&root_stbuf.st_atim);
-#else
- inode->creation_time = unix_timestamp_to_wim(root_stbuf.st_mtime);
- inode->last_write_time = unix_timestamp_to_wim(root_stbuf.st_mtime);
- inode->last_access_time = unix_timestamp_to_wim(root_stbuf.st_atime);
-#endif
- if (sizeof(ino_t) >= 8)
- inode->ino = (u64)root_stbuf.st_ino;
- else
- inode->ino = (u64)root_stbuf.st_ino |
- ((u64)root_stbuf.st_dev << ((sizeof(ino_t) * 8) & 63));
-
- add_image_flags &= ~WIMLIB_ADD_IMAGE_FLAG_ROOT;
- inode->resolved = true;
-
- if (S_ISREG(root_stbuf.st_mode)) { /* Archiving a regular file */
-
- struct lookup_table_entry *lte;
- u8 hash[SHA1_HASH_SIZE];
-
- inode->attributes = FILE_ATTRIBUTE_NORMAL;
-
- /* Empty files do not have to have a lookup table entry. */
- if (root_stbuf.st_size == 0)
- goto out;
-
- /* For each regular file, we must check to see if the file is in
- * the lookup table already; if it is, we increment its refcnt;
- * otherwise, we create a new lookup table entry and insert it.
- * */
-
- ret = sha1sum(root_disk_path, hash);
- if (ret != 0)
- goto out;
-
- lte = __lookup_resource(lookup_table, hash);
- if (lte) {
- lte->refcnt++;
- DEBUG("Add lte reference %u for `%s'", lte->refcnt,
- root_disk_path);
- } else {
- char *file_on_disk = STRDUP(root_disk_path);
- if (!file_on_disk) {
- ERROR("Failed to allocate memory for file path");
- ret = WIMLIB_ERR_NOMEM;
- goto out;
- }
- lte = new_lookup_table_entry();
- if (!lte) {
- FREE(file_on_disk);
- ret = WIMLIB_ERR_NOMEM;
- goto out;
- }
- lte->file_on_disk = file_on_disk;
- lte->resource_location = RESOURCE_IN_FILE_ON_DISK;
- lte->resource_entry.original_size = root_stbuf.st_size;
- lte->resource_entry.size = root_stbuf.st_size;
- copy_hash(lte->hash, hash);
- lookup_table_insert(lookup_table, lte);
- }
- root->d_inode->lte = lte;
- } else if (S_ISDIR(root_stbuf.st_mode)) { /* Archiving a directory */
-
- inode->attributes = FILE_ATTRIBUTE_DIRECTORY;
-
- DIR *dir;
- struct dirent entry, *result;
- struct dentry *child;