X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fdentry.c;h=d77603feeebcf23aecbfc4c02c90d55469839818;hb=e8c3ca2d1d0cac3d64985b45a9f654d2029a7518;hp=2e5090f2509ba24fd43697bb726fae80fb8ddbbf;hpb=eaf5b4c85a3b7b853317b887867c18a4865a83e2;p=wimlib

diff --git a/src/dentry.c b/src/dentry.c
index 2e5090f2..d77603fe 100644
--- a/src/dentry.c
+++ b/src/dentry.c
@@ -26,11 +26,20 @@
  * wimlib; if not, see http://www.gnu.org/licenses/.
  */
 
-#include "buffer_io.h"
-#include "dentry.h"
-#include "lookup_table.h"
-#include "timestamp.h"
-#include "wimlib_internal.h"
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include "wimlib.h"
+#include "wimlib/buffer_io.h"
+#include "wimlib/dentry.h"
+#include "wimlib/encoding.h"
+#include "wimlib/error.h"
+#include "wimlib/lookup_table.h"
+#include "wimlib/metadata.h"
+#include "wimlib/resource.h"
+#include "wimlib/timestamp.h"
+
 #include <errno.h>
 
 /* Calculates the unaligned length, in bytes, of an on-disk WIM dentry that has
@@ -230,13 +239,13 @@ for_dentry_tree_in_rbtree(struct rb_node *node,
 	int ret;
 	if (node) {
 		ret = for_dentry_tree_in_rbtree(node->rb_left, visitor, arg);
-		if (ret != 0)
+		if (ret)
 			return ret;
 		ret = for_dentry_in_tree(rbnode_dentry(node), visitor, arg);
-		if (ret != 0)
+		if (ret)
 			return ret;
 		ret = for_dentry_tree_in_rbtree(node->rb_right, visitor, arg);
-		if (ret != 0)
+		if (ret)
 			return ret;
 	}
 	return 0;
@@ -250,13 +259,16 @@ int
 for_dentry_in_tree(struct wim_dentry *root,
 		   int (*visitor)(struct wim_dentry*, void*), void *arg)
 {
-	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;
+	int 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
@@ -266,11 +278,14 @@ for_dentry_in_tree_depth(struct wim_dentry *root,
 			 int (*visitor)(struct wim_dentry*, void*), void *arg)
 {
 	int ret;
+
+	if (!root)
+		return 0;
 	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;
+	if (ret)
+		return ret;
+	return (*visitor)(root, arg);
 }
 
 /* Calculate the full path of @dentry.  The full path of its parent must have
@@ -493,6 +508,10 @@ 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('/'))
@@ -703,7 +722,7 @@ dentry_common_init(struct wim_dentry *dentry)
 }
 
 struct wim_inode *
-new_timeless_inode()
+new_timeless_inode(void)
 {
 	struct wim_inode *inode = CALLOC(1, sizeof(struct wim_inode));
 	if (inode) {
@@ -725,7 +744,7 @@ new_timeless_inode()
 }
 
 static struct wim_inode *
-new_inode()
+new_inode(void)
 {
 	struct wim_inode *inode = new_timeless_inode();
 	if (inode) {
@@ -799,6 +818,25 @@ 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,
@@ -919,8 +957,7 @@ do_free_dentry(struct wim_dentry *dentry, void *__lookup_table)
 void
 free_dentry_tree(struct wim_dentry *root, struct wim_lookup_table *lookup_table)
 {
-	if (root)
-		for_dentry_in_tree_depth(root, do_free_dentry, lookup_table);
+	for_dentry_in_tree_depth(root, do_free_dentry, lookup_table);
 }
 
 /*
@@ -1273,11 +1310,6 @@ replace_forbidden_characters(utf16lechar *name)
 		if (*p == cpu_to_le16('/'))
 	#endif
 		{
-		#ifdef __WIN32__
-			*p = cpu_to_le16(0xfffd);
-		#else
-			*p = cpu_to_le16('?');
-		#endif
 			if (name) {
 				WARNING("File, directory, or stream name \"%"WS"\"\n"
 					"          contains forbidden characters; "
@@ -1285,6 +1317,11 @@ replace_forbidden_characters(utf16lechar *name)
 					name);
 				name = NULL;
 			}
+		#ifdef __WIN32__
+			*p = cpu_to_le16(0xfffd);
+		#else
+			*p = cpu_to_le16('?');
+		#endif
 		}
 	}
 }