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tar_fs: Return correct size of stat'ed dirs

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Genode's file system interface returns the number of directories
multiplied by sizeof(Directory_entry) as size of a directory. The
tar_fs server used to return zero. The fix counts the sub nodes of
the given directory.
This commit is contained in:
Norman Feske 2014-04-16 17:13:25 +02:00
parent a96f912f73
commit b43a5f1255
2 changed files with 26 additions and 10 deletions
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30
os/src/server/tar_fs/main.cc
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@ -379,20 +379,36 @@ namespace File_system {
Node *node = _handle_registry.lookup(node_handle);
status.size = node->record()->size();
/* convert TAR record modes to stat modes */
switch (node->record()->type()) {
case Record::TYPE_DIR: status.mode |= Status::MODE_DIRECTORY; break;
case Record::TYPE_FILE: status.mode |= Status::MODE_FILE; break;
case Record::TYPE_SYMLINK: status.mode |= Status::MODE_SYMLINK; break;
case Record::TYPE_DIR:
{
status.size = node->record()->size();
/* count directory entries */
Lookup_member_of_path lookup_criterion(node->record()->name(), ~0);
_lookup(&lookup_criterion);
status.size = lookup_criterion.cnt*sizeof(Directory_entry);
status.mode |= Status::MODE_DIRECTORY;
break;
}
case Record::TYPE_FILE:
status.size = node->record()->size();
status.mode |= Status::MODE_FILE;
break;
case Record::TYPE_SYMLINK:
status.size = node->record()->size();
status.mode |= Status::MODE_SYMLINK;
break;
default:
if (verbose)
PWRN("unhandled record type %d", node->record()->type());
}
PDBGV("name = %s", node->record()->name());
return status;
}