From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Tue, 1 Jun 2010 18:57:47 +0000 (+0100)
Subject: Make FOR_LIST_NODE and use it for FOR_CONN
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=innduct.git;a=commitdiff_plain;h=e5fb267af59e9beea66c88e32d9809824c062886;ds=sidebyside

Make FOR_LIST_NODE and use it for FOR_CONN
---

diff --git a/innduct.h b/innduct.h
index ddd17e6..273fb5e 100644
--- a/innduct.h
+++ b/innduct.h
@@ -84,8 +84,10 @@
 
 #define DUMPV(fmt,pfx,v) fprintf(f, " " #v "=" fmt, pfx v);
 
-#define FOR_CONN(conn) \
-  for ((conn)=LIST_HEAD(conns); (conn); (conn)=LIST_NEXT((conn)))
+#define FOR_LIST_NODE(nodevar, list) \
+  for ((nodevar)=LIST_HEAD(list); (nodevar); (nodevar)=LIST_NEXT((nodevar)))
+
+#define FOR_CONN(conn) FOR_LIST_NODE(conn, conns)
 
 /*----- doubly linked lists -----*/