Fix bug in xd3_merge_add(), calling memcpy with wrong offset and size.

1 files changed, 2 insertions, 2 deletions

diff --git a/xdelta3/xdelta3-merge.h b/xdelta3/xdelta3-merge.h
index 6c03d3e..c537408 100644
--- a/xdelta3/xdelta3-merge.h
+++ b/xdelta3/xdelta3-merge.h
@@ -299,9 +299,9 @@ xd3_merge_add (xd3_stream *stream,
   oinst->position = stream->whole_target.length;
   stream->whole_target.length += iinst->size;
 
-  memcpy(stream->whole_target.adds,
+  memcpy(stream->whole_target.adds + stream->whole_target.addslen,
          target->adds + iinst->addr,
-         stream->whole_target.addslen);
+         iinst->size);
 
   stream->whole_target.addslen += iinst->size;