Fixed a bug in match_hard_links() where an empty directory would try

to allocate 0 bytes of memory (which can fail on some OSes).

diff --git a/hlink.c b/hlink.c
index 1e8adc8..99b4315 100644 (file)
--- a/hlink.c
+++ b/hlink.c
@@ -179,7 +179,7 @@ static void match_gnums(int32 *ndx_list, int ndx_count)
  * to first when we're done. */
 void match_hard_links(struct file_list *flist)
 {
-       if (!list_only) {
+       if (!list_only && flist->used) {
                int i, ndx_count = 0;
                int32 *ndx_list;