X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fdentry.c;h=cf6abec5913c0869c9dffea27a30f4f05d65bdcd;hb=ee742f0a166d4aa4a1ab5c495aaa5029d8cf8e66;hp=48b310411f2d1ed447bcd6eb19298f4ab90e01fc;hpb=bb40342796df9c677f6903b596abf4e9e5769845;p=wimlib

diff --git a/src/dentry.c b/src/dentry.c
index 48b31041..cf6abec5 100644
--- a/src/dentry.c
+++ b/src/dentry.c
@@ -250,17 +250,16 @@ int
 for_dentry_in_tree(struct wim_dentry *root,
 		   int (*visitor)(struct wim_dentry*, void*), void *arg)
 {
-	int ret = 0;
+	int ret;
 
-	if (root) {
-		int ret = visitor(root, arg);
-		if (ret == 0) {
-			ret = for_dentry_tree_in_rbtree(root->d_inode->i_children.rb_node,
-							visitor,
-							arg);
-		}
-	}
-	return ret;
+	if (!root)
+		return 0;
+	ret = (*visitor)(root, arg);
+	if (ret)
+		return ret;
+	return for_dentry_tree_in_rbtree(root->d_inode->i_children.rb_node,
+					 visitor,
+					 arg);
 }
 
 /* Like for_dentry_in_tree(), but the visitor function is always called on a
@@ -269,14 +268,15 @@ int
 for_dentry_in_tree_depth(struct wim_dentry *root,
 			 int (*visitor)(struct wim_dentry*, void*), void *arg)
 {
-	int ret = 0;
-	if (root) {
-		ret = for_dentry_tree_in_rbtree_depth(root->d_inode->i_children.rb_node,
-						      visitor, arg);
-		if (ret == 0)
-			ret = visitor(root, arg);
-	}
-	return ret;
+	int ret;
+
+	if (!root)
+		return 0;
+	ret = for_dentry_tree_in_rbtree_depth(root->d_inode->i_children.rb_node,
+					      visitor, arg);
+	if (ret)
+		return ret;
+	return (*visitor)(root, arg);
 }
 
 /* Calculate the full path of @dentry.  The full path of its parent must have
@@ -499,6 +499,10 @@ get_dentry_utf16le(WIMStruct *w, const utf16lechar *path,
 	const utf16lechar *p, *pp;
 
 	cur_dentry = parent_dentry = wim_root_dentry(w);
+	if (!cur_dentry) {
+		errno = ENOENT;
+		return NULL;
+	}
 	p = path;
 	while (1) {
 		while (*p == cpu_to_le16('/'))
@@ -805,6 +809,25 @@ new_dentry_with_inode(const tchar *name, struct wim_dentry **dentry_ret)
 	return __new_dentry_with_inode(name, dentry_ret, false);
 }
 
+int
+new_filler_directory(const tchar *name, struct wim_dentry **dentry_ret)
+{
+	int ret;
+	struct wim_dentry *dentry;
+
+	DEBUG("Creating filler directory \"%"TS"\"", name);
+	ret = new_dentry_with_inode(name, &dentry);
+	if (ret)
+		goto out;
+	/* Leave the inode number as 0; this is allowed for non
+	 * hard-linked files. */
+	dentry->d_inode->i_resolved = 1;
+	dentry->d_inode->i_attributes = FILE_ATTRIBUTE_DIRECTORY;
+	*dentry_ret = dentry;
+	ret = 0;
+out:
+	return ret;
+}
 
 static int
 init_ads_entry(struct wim_ads_entry *ads_entry, const void *name,