return memcmp(dentry->file_name_utf8, name, name_len) == 0;
}
-static 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;
-}
-
/* Real length of a dentry, including the alternate data stream entries, which
* are not included in the dentry->length field... */
u64 dentry_total_length(const struct dentry *dentry)
} else {
dentry->attributes = FILE_ATTRIBUTE_NORMAL;
}
+ if (sizeof(ino_t) >= 8)
+ dentry->hard_link = (u64)stbuf->st_ino;
+ else
+ dentry->hard_link = (u64)stbuf->st_ino |
+ ((u64)stbuf->st_dev << (sizeof(ino_t) * 8));
}
/* Transfers file attributes from a struct dentry to a `stat' buffer. */
else
stbuf->st_mode = S_IFREG | 0644;
- if (table)
- lte = __lookup_resource(table, dentry_hash(dentry));
- else
- lte = NULL;
-
- if (lte) {
- stbuf->st_nlink = lte->refcnt;
+ /* Use the size of the unnamed (default) file stream. */
+ if (table && (lte = __lookup_resource(table, dentry_hash(dentry))))
stbuf->st_size = lte->resource_entry.original_size;
- } else {
- stbuf->st_nlink = 1;
+ else
stbuf->st_size = 0;
- }
+
+ stbuf->st_nlink = dentry_link_group_size(dentry);
+ stbuf->st_ino = dentry->hard_link;
stbuf->st_uid = getuid();
stbuf->st_gid = getgid();
stbuf->st_atime = ms_timestamp_to_unix(dentry->last_access_time);
dentry = MALLOC(sizeof(struct dentry));
if (!dentry)
- return NULL;
+ goto err;
dentry_common_init(dentry);
- if (change_dentry_name(dentry, name) != 0) {
- FREE(dentry);
- return NULL;
- }
+ if (change_dentry_name(dentry, name) != 0)
+ goto err;
dentry_update_all_timestamps(dentry);
dentry->next = dentry;
dentry->prev = dentry;
dentry->parent = dentry;
return dentry;
+err:
+ FREE(dentry);
+ ERROR("Failed to allocate new dentry");
+ return NULL;
}
-static void dentry_free_ads_entries(struct dentry *dentry)
+void dentry_free_ads_entries(struct dentry *dentry)
{
for (u16 i = 0; i < dentry->num_ads; i++)
destroy_ads_entry(&dentry->ads_entries[i]);
FREE(dentry);
}
+/* clones a dentry.
+ *
+ * Beware:
+ * - memory for file names is not cloned
+ * - next, prev, and children pointers and not touched
+ * - stream entries are not cloned.
+ */
+struct dentry *clone_dentry(struct dentry *old)
+{
+ struct dentry *new = MALLOC(sizeof(struct dentry));
+ if (!new)
+ return NULL;
+ memcpy(new, old, sizeof(struct dentry));
+ new->file_name = NULL;
+ new->file_name_len = 0;
+ new->file_name_utf8 = NULL;
+ new->file_name_utf8_len = 0;
+ new->short_name = NULL;
+ new->short_name_len = 0;
+ return new;
+}
+
/* Arguments for do_free_dentry(). */
struct free_dentry_args {
struct lookup_table *lookup_table;
*file_name_utf8_ret = file_name_utf8;
*file_name_len_ret = utf16_len;
*file_name_utf8_len_ret = utf8_len;
+ return 0;
}
/* Changes the name of a dentry to @new_name. Only changes the file_name and
*/
if (dentry->attributes & FILE_ATTRIBUTE_REPARSE_POINT) {
/* ??? */
- u32 u1, u2;
- p = get_u32(p, &u1);
- /*p += 4;*/
+ p += 4;
p = get_u32(p, &dentry->reparse_tag);
- p = get_u32(p, &u2);
- /*p += 4;*/
- dentry->hard_link = (u64)(u1) | ((u64)(u2) << 32);
+ p += 4;
} else {
p = get_u32(p, &dentry->reparse_tag);
p = get_u64(p, &dentry->hard_link);
{
u8 *orig_p = p;
unsigned padding;
- memset(p, 0, dentry->length);
+
p = put_u64(p, dentry->length);
p = put_u32(p, dentry->attributes);
p = put_u32(p, dentry->security_id);
p = put_u64(p, dentry->creation_time);
p = put_u64(p, dentry->last_access_time);
p = put_u64(p, dentry->last_write_time);
- memcpy(p, dentry->hash, WIM_HASH_SIZE);
- p += WIM_HASH_SIZE;
- p = put_u32(p, dentry->reparse_tag);
- p = put_u64(p, dentry->hard_link);
- p = put_u16(p, dentry->num_ads); /*streams */
+ p = put_bytes(p, WIM_HASH_SIZE, dentry->hash);
+ if (dentry->attributes & FILE_ATTRIBUTE_REPARSE_POINT) {
+ p = put_zeroes(p, 4);
+ p = put_u32(p, dentry->reparse_tag);
+ p = put_zeroes(p, 4);
+ } else {
+ p = put_u32(p, dentry->reparse_tag);
+ p = put_u64(p, dentry->hard_link);
+ }
+ p = put_u16(p, dentry->num_ads);
p = put_u16(p, dentry->short_name_len);
p = put_u16(p, dentry->file_name_len);
p = put_bytes(p, dentry->file_name_len, (u8*)dentry->file_name);
/* write end of directory entry */
p = put_u64(p, 0);
} else {
- /* Nothing to do for a regular file. */
- if (dentry_is_regular_file(tree))
+ /* Nothing to do for non-directories */
+ if (!dentry_is_directory(tree))
return p;
}
dentry->children = first_child;
return ret;
}
-
-int dentry_set_symlink_buf(struct dentry *dentry, const u8 symlink_buf_hash[])
-{
- struct ads_entry *ads_entries;
-
- ads_entries = CALLOC(2, sizeof(struct ads_entry));
- if (!ads_entries)
- return WIMLIB_ERR_NOMEM;
- memcpy(ads_entries[1].hash, symlink_buf_hash, WIM_HASH_SIZE);
- dentry_free_ads_entries(dentry);
- dentry->num_ads = 2;
- dentry->ads_entries = ads_entries;
- return 0;
-}