From: Carl N. Baldwin <cnb@Cone.local>
Date: Wed, 26 Oct 2005 03:44:45 +0000 (-0600)
Subject: INTERSECTION not union
X-Git-Tag: release-0.4~56
X-Git-Url: http://git.pippins.net/embedvideo/.git/%22%22.%24thumbnail.%22/%24link?a=commitdiff_plain;h=57e1b1e3e188c9ad22ef891cdd38e83a094ece39;p=backups%2F.git

INTERSECTION not union
---

diff --git a/main.cpp b/main.cpp
index 3a86a2b..fb7d522 100644
--- a/main.cpp
+++ b/main.cpp
@@ -64,25 +64,25 @@ void partition_sets( const SET &current, const SET &old,
                      SET &added, SET &common, SET &old_common, SET &deleted  ) {
   FileDataNameCmp cmp;
 
-  set_difference( current.begin(), current.end(),
-                  old.begin(),     old.end(),
-                  inserter( added, added.begin() ),
-                  cmp );
-
-  set_difference( old.begin(),     old.end(),
-                  current.begin(), current.end(),
-                  inserter( deleted, deleted.begin() ),
-                  cmp );
-
-  set_union(      current.begin(), current.end(),
-                  old.begin(),     old.end(),
-                  inserter( common, common.begin() ),
-                  cmp );
-
-  set_union(      old.begin(),    old.end(),
-                  common.begin(), common.end(),
-                  inserter( old_common, old_common.begin() ),
-                  cmp );
+  set_difference(   current.begin(), current.end(),
+                    old.begin(),     old.end(),
+                    inserter( added, added.begin() ),
+                    cmp );
+
+  set_difference(   old.begin(),     old.end(),
+                    current.begin(), current.end(),
+                    inserter( deleted, deleted.begin() ),
+                    cmp );
+
+  set_intersection( current.begin(), current.end(),
+                    old.begin(),     old.end(),
+                    inserter( common, common.begin() ),
+                    cmp );
+
+  set_intersection( old.begin(),    old.end(),
+                    common.begin(), common.end(),
+                    inserter( old_common, old_common.begin() ),
+                    cmp );
 }
 
 template<class INT>