From a7d6da25b47a982e00ee378677e6d1e1040af6a8 Mon Sep 17 00:00:00 2001
From: Kaj-Michael Lang <milang@tal.org>
Date: Wed, 16 Jul 2008 16:33:52 +0300
Subject: [PATCH] Position: Add position_clear() helper function

---
 libs/libgtkmap/position.c | 6 ++++++
 libs/libgtkmap/position.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/libs/libgtkmap/position.c b/libs/libgtkmap/position.c
index c6558d7..8e29544 100644
--- a/libs/libgtkmap/position.c
+++ b/libs/libgtkmap/position.c
@@ -52,3 +52,9 @@ pos->lat=valid ? lat : NAN;
 pos->lon=valid ? lon : NAN;
 pos->altitude=valid ? lon : NAN;
 }
+
+void
+position_clear(Position *pos)
+{
+position_set(pos, FALSE, NAN, NAN, NAN);
+}
diff --git a/libs/libgtkmap/position.h b/libs/libgtkmap/position.h
index 721510d..d2c4e01 100644
--- a/libs/libgtkmap/position.h
+++ b/libs/libgtkmap/position.h
@@ -31,5 +31,6 @@ struct _Position {
 Position *position_new(PositionType type, guint id);
 void position_free(Position *p);
 void position_set(Position *pos, gboolean valid, gdouble lat, gdouble lon, gfloat alt);
+void position_clear(Position *pos);
 
 #endif
-- 
2.39.5