From 738639cf711c254bcafbb869837a87ea46413c5a Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 28 Aug 2013 13:39:18 +0200
Subject: Introduce constants for tristate values

---
 src/config.y | 4 ++--
 src/types.h  | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/config.y b/src/config.y
index e9ab3af..95ceaa2 100644
--- a/src/config.y
+++ b/src/config.y
@@ -560,8 +560,8 @@ boolean:	TOK_YES		{ $$ = true; }
 	|	TOK_NO		{ $$ = false; }
 	;
 
-autobool:	TOK_AUTO	{ $$ = (fastd_tristate_t){ .set = false }; }
-	|	boolean		{ $$ = (fastd_tristate_t){ .set = true, .state = $1 }; }
+autobool:	TOK_AUTO	{ $$ = fastd_tristate_undef; }
+	|	boolean		{ $$ = $1 ? fastd_tristate_true : fastd_tristate_false; }
 	;
 
 colon_or_port:	':'
diff --git a/src/types.h b/src/types.h
index 2dcfa58..3af287a 100644
--- a/src/types.h
+++ b/src/types.h
@@ -47,6 +47,11 @@ typedef struct fastd_tristate {
 	bool state : 1;
 } fastd_tristate_t;
 
+static const fastd_tristate_t fastd_tristate_true = {true, true};
+static const fastd_tristate_t fastd_tristate_false = {true, false};
+static const fastd_tristate_t fastd_tristate_undef = {false, false};
+
+
 typedef enum fastd_mode {
 	MODE_TAP,
 	MODE_TUN,
-- 
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