X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fsplit.c;h=07106746f484885cbe90771b0c139007400ab3f5;hp=3f4a7d0a87a170805de89b7cf2072962a6396d67;hb=db7eada462796f7181106168c581bd3ff8c639a0;hpb=3df2989aaef4c627f4fea630859ae9f72e9c307e

diff --git a/src/split.c b/src/split.c
index 3f4a7d0a..07106746 100644
--- a/src/split.c
+++ b/src/split.c
@@ -44,7 +44,7 @@ struct swm_part_info {
 static void
 copy_part_info(struct swm_part_info *dst, struct swm_part_info *src)
 {
-	list_transfer(&src->blob_list, &dst->blob_list);
+	list_replace(&src->blob_list, &dst->blob_list);
 	dst->size = src->size;
 }
 
@@ -219,6 +219,13 @@ wimlib_split(WIMStruct *wim, const tchar *swm_name,
 		return WIMLIB_ERR_UNSUPPORTED;
 	}
 
+	for (i = 0; i < wim->hdr.image_count; i++) {
+		if (!is_image_unchanged_from_wim(wim->image_metadata[i], wim)) {
+			ERROR("Only an unmodified, on-disk WIM file can be split.");
+			return WIMLIB_ERR_UNSUPPORTED;
+		}
+	}
+
 	memset(&swm_info, 0, sizeof(swm_info));
 	swm_info.max_part_size = part_size;