From 383676f1ad66222ea7698f50a2d3f7214abb6c82 Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Sat, 20 Aug 2016 23:17:29 -0300
Subject: [PATCH] eeshow/kicad/delta.c: improve sectioning

---
 eeshow/kicad/delta.c | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/eeshow/kicad/delta.c b/eeshow/kicad/delta.c
index 99f4a89..a257784 100644
--- a/eeshow/kicad/delta.c
+++ b/eeshow/kicad/delta.c
@@ -352,20 +352,7 @@ bool sheet_eq(const struct sheet *a, const struct sheet *b)
 }
 
 
-static void free_obj(struct sch_obj *obj)
-{
-	/* there may be more to free once we get into cloning components */
-	free(obj);
-}
-
-
-static void init_res(struct sheet *res)
-{
-	res->title = NULL;
-        res->objs = NULL;
-        res->next_obj = &res->objs;
-        res->next = NULL;
-}
+/* ----- Merge wires ------------------------------------------------------- */
 
 
 static int min(int a, int b)
@@ -436,6 +423,25 @@ static void merge_wires(struct sch_obj *a)
 }
 
 
+/* ----- Split objects from A and B into only-A, only-B, and A-and-B ------- */
+
+
+static void free_obj(struct sch_obj *obj)
+{
+	/* there may be more to free once we get into cloning components */
+	free(obj);
+}
+
+
+static void init_res(struct sheet *res)
+{
+	res->title = NULL;
+        res->objs = NULL;
+        res->next_obj = &res->objs;
+        res->next = NULL;
+}
+
+
 void delta(const struct sheet *a, const struct sheet *b,
     struct sheet *res_a, struct sheet *res_b, struct sheet *res_ab)
 {