Position: Add position_clear() helper function

diff --git a/libs/libgtkmap/position.c b/libs/libgtkmap/position.c
index c6558d73e91e52d1b2baeaa65180604cfe84160d..8e2954412c64c842d0eb9d51936ec6159d5f3257 100644 (file)
--- 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 721510dea4f183ae9243a0338805227c58e10fa5..d2c4e01acdf8e4fb60cebdc98d06eb525921f2d3 100644 (file)
--- 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