read_wim_lookup_table(): Ignore metadata entries with refcnt == 0

[wimlib] / src / add_image.c

diff --git a/src/add_image.c b/src/add_image.c
index 7dcee10b01a4a55ac2ded3dad802dd2007fe5c73..746c06a92dd43ed6d1cf0c427b5e1080988699ec 100644 (file)
--- a/src/add_image.c
+++ b/src/add_image.c
@@ -68,7 +68,7 @@ add_new_dentry_tree(WIMStruct *wim, struct wim_dentry *root_dentry,
        return ret;
 }
 
-/* Append an empty image to the WIMStruct. */
+/* API function documented in wimlib.h  */
 WIMLIBAPI int
 wimlib_add_empty_image(WIMStruct *wim, const tchar *name, int *new_idx_ret)
 {
@@ -80,11 +80,9 @@ wimlib_add_empty_image(WIMStruct *wim, const tchar *name, int *new_idx_ret)
        if (name == NULL)
                name = T("");
 
-       if (wim->hdr.total_parts != 1) {
-               ERROR("Cannot add an image to a split WIM");
-               ret = WIMLIB_ERR_SPLIT_UNSUPPORTED;
+       ret = can_modify_wim(wim);
+       if (ret)
                goto out;
-       }
 
        if (wimlib_image_name_in_use(wim, name)) {
                ERROR("There is already an image named \"%"TS"\" in the WIM!",
@@ -150,8 +148,7 @@ capture_sources_to_add_cmds(const struct wimlib_capture_source *sources,
        return add_cmds;
 }
 
-/* Adds an image to the WIMStruct from multiple on-disk directory trees, or a
- * NTFS volume. */
+/* API function documented in wimlib.h  */
 WIMLIBAPI int
 wimlib_add_image_multisource(WIMStruct *wim,
                             const struct wimlib_capture_source *sources,
@@ -202,7 +199,7 @@ out:
        return ret;
 }
 
-/* Adds an image to the WIMStruct from an on-disk directory tree or NTFS volume. */
+/* API function documented in wimlib.h  */
 WIMLIBAPI int
 wimlib_add_image(WIMStruct *wim,
                 const tchar *source,