return 0;
/* Close staging file descriptor if needed. */
- wimlib_assert(lte->num_opened_fds);
- if (lte->resource_location == RESOURCE_IN_STAGING_FILE) {
- wimlib_assert(lte->staging_file_name);
- wimlib_assert(fd->staging_fd != -1);
+ if (lte->resource_location == RESOURCE_IN_STAGING_FILE
+ && fd->staging_fd != -1)
+ {
if (close(fd->staging_fd) != 0) {
ERROR_WITH_ERRNO("Failed to close staging file");
return -errno;
int fd;
struct lookup_table_entry *old_lte, *new_lte;
+ DEBUG("Extracting resource to staging dir: inode %"PRIu64", "
+ "stream id %"PRIu32, inode->ino, stream_id);
+
old_lte = *lte;
fd = create_staging_file(&staging_file_name, O_WRONLY);
if (fd == -1)
if (fd) {
if (fd->stream_id == stream_id) {
wimlib_assert(fd->f_lte == old_lte);
+ wimlib_assert(fd->staging_fd == -1);
fd->f_lte = new_lte;
new_lte->num_opened_fds++;
fd->staging_fd = open(staging_file_name, O_RDONLY);
new_lte->resource_entry.original_size = size;
new_lte->refcnt = inode->link_count;
- new_lte->staging_file_name = staging_file_name;
new_lte->resource_location = RESOURCE_IN_STAGING_FILE;
- new_lte->lte_inode = inode;
+ new_lte->staging_file_name = staging_file_name;
+ new_lte->lte_inode = inode;
random_hash(new_lte->hash);
if (stream_id == 0)
return 0;
}
+static void inode_update_lte_ptr(struct inode *inode,
+ struct lookup_table_entry *old_lte,
+ struct lookup_table_entry *new_lte)
+{
+ if (inode->lte == old_lte) {
+ inode->lte = new_lte;
+ } else {
+ for (unsigned i = 0; i < inode->num_ads; i++) {
+ if (inode->ads_entries[i].lte == old_lte) {
+ inode->ads_entries[i].lte = new_lte;
+ break;
+ }
+ }
+ }
+}
+
static int update_lte_of_staging_file(struct lookup_table_entry *lte,
struct lookup_table *table)
{
/* Merge duplicate lookup table entries */
duplicate_lte->refcnt += lte->refcnt;
list_del(<e->staging_list);
+ inode_update_lte_ptr(lte->lte_inode, lte, duplicate_lte);
free_lookup_table_entry(lte);
} else {
if (stat(lte->staging_file_name, &stbuf) != 0) {
ERROR_WITH_ERRNO("Failed to stat `%s'", lte->staging_file_name);
return WIMLIB_ERR_STAT;
}
- wimlib_assert(<e->file_on_disk == <e->staging_file_name);
- lte->resource_location = RESOURCE_IN_FILE_ON_DISK;
- copy_hash(lte->hash, hash);
- lte->resource_entry.original_size = stbuf.st_size;
- lte->resource_entry.size = stbuf.st_size;
- lte->lte_inode = NULL;
- lookup_table_insert(table, lte);
+ if (stbuf.st_size == 0) {
+ /* Zero-length stream. No lookup table entry needed. */
+ inode_update_lte_ptr(lte->lte_inode, lte, NULL);
+ free_lookup_table_entry(lte);
+ } else {
+ wimlib_assert(<e->file_on_disk == <e->staging_file_name);
+ lte->resource_entry.original_size = stbuf.st_size;
+ lte->resource_entry.size = stbuf.st_size;
+ lte->resource_location = RESOURCE_IN_FILE_ON_DISK;
+ lte->lte_inode = NULL;
+ copy_hash(lte->hash, hash);
+ lookup_table_insert(table, lte);
+ }
}
-
return 0;
}
static int inode_close_fds(struct inode *inode)
{
- for (u16 i = 0, j = 0; j < inode->num_opened_fds; i++) {
+ u16 num_opened_fds = inode->num_opened_fds;
+ for (u16 i = 0, j = 0; j < num_opened_fds; i++) {
struct wimlib_fd *fd = inode->fds[i];
if (fd) {
wimlib_assert(fd->f_inode == inode);
return 0;
}
-/*static int dentry_close_fds(struct dentry *dentry, void *ignore)*/
-/*{*/
- /*return inode_close_fds(dentry->d_inode);*/
-/*}*/
-
/* Overwrites the WIM file, with changes saved. */
static int rebuild_wim(WIMStruct *w, bool check_integrity)
{
if (ret != 0)
return ret;
}
- /*ret = for_dentry_in_tree(wim_root_dentry(w), dentry_close_fds, NULL);*/
- /*if (ret != 0)*/
- /*return ret;*/
DEBUG("Calculating SHA1 checksums for all new staging files.");
list_for_each_entry_safe(lte, tmp, &staging_list, staging_list) {
size_t size)
{
int ret;
- struct dentry *dentry;
+ struct inode *inode;
struct ads_entry *ads_entry;
size_t res_size;
struct lookup_table_entry *lte;
return -ENOATTR;
name += 5;
- dentry = get_dentry(w, path);
- if (!dentry)
+ inode = wim_pathname_to_inode(w, path);
+ if (!inode)
return -ENOENT;
- ads_entry = inode_get_ads_entry(dentry->d_inode, name, NULL);
+
+ ads_entry = inode_get_ads_entry(inode, name, NULL);
if (!ads_entry)
return -ENOATTR;
if (size == 0)
return res_size;
+
if (res_size > size)
return -ERANGE;
+
ret = read_full_wim_resource(lte, (u8*)value);
if (ret != 0)
return -EIO;
+
return res_size;
}
#endif
#ifdef ENABLE_XATTR
static int wimfs_listxattr(const char *path, char *list, size_t size)
{
- struct dentry *dentry;
int ret;
- char *p = list;
size_t needed_size;
unsigned i;
struct inode *inode;
+
if (!(mount_flags & WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR))
return -ENOTSUP;
/* List alternate data streams, or get the list size */
- ret = lookup_resource(w, path, get_lookup_flags(), &dentry, NULL, NULL);
- if (ret != 0)
- return ret;
- inode = dentry->d_inode;
+ inode = wim_pathname_to_inode(w, path);
+ if (!inode)
+ return -ENOENT;
if (size == 0) {
needed_size = 0;
needed_size += inode->ads_entries[i].stream_name_utf8_len + 6;
return needed_size;
} else {
+ char *p = list;
for (i = 0; i < inode->num_ads; i++) {
needed_size = inode->ads_entries[i].stream_name_utf8_len + 6;
if (needed_size > size)
&& (stream_name = path_stream_name(path))) {
/* Make an alternate data stream */
struct ads_entry *new_entry;
- struct dentry *dentry;
+ struct inode *inode;
char *p = (char*)stream_name - 1;
wimlib_assert(*p == ':');
*p = '\0';
- dentry = get_dentry(w, path);
- if (!dentry || !dentry_is_regular_file(dentry))
+ inode = wim_pathname_to_inode(w, path);
+ if (!inode)
+ return -ENOENT;
+ if (!inode_is_regular_file(inode))
return -ENOENT;
- if (inode_get_ads_entry(dentry->d_inode, stream_name, NULL))
+ if (inode_get_ads_entry(inode, stream_name, NULL))
return -EEXIST;
- new_entry = inode_add_ads(dentry->d_inode, stream_name);
+ new_entry = inode_add_ads(inode, stream_name);
if (!new_entry)
- return -ENOENT;
+ return -ENOMEM;
} else {
struct dentry *dentry, *parent;
const char *basename;
/* Remove an alternate data stream through the XATTR interface */
static int wimfs_removexattr(const char *path, const char *name)
{
- struct dentry *dentry;
+ struct inode *inode;
struct ads_entry *ads_entry;
u16 ads_idx;
if (!(mount_flags & WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR))
return -ENOATTR;
name += 5;
- dentry = get_dentry(w, path);
- if (!dentry)
+ inode = wim_pathname_to_inode(w, path);
+ if (!inode)
return -ENOENT;
- ads_entry = inode_get_ads_entry(dentry->d_inode, name, &ads_idx);
+ ads_entry = inode_get_ads_entry(inode, name, &ads_idx);
if (!ads_entry)
return -ENOATTR;
- inode_remove_ads(dentry->d_inode, ads_idx, w->lookup_table);
+ inode_remove_ads(inode, ads_idx, w->lookup_table);
return 0;
}
#endif
git://wimlib.net / wimlib / blobdiff