Protect against integer overflow in division.

diff --git a/gpsbabel/jeeps/gpsmath.c b/gpsbabel/jeeps/gpsmath.c
index 9e0bdf802c802bfde1b082db9e98fc94d293c8d7..e3a9284a77cd4acc6f0e6f0171eba3d51f7790d0 100644 (file)
--- a/gpsbabel/jeeps/gpsmath.c
+++ b/gpsbabel/jeeps/gpsmath.c
@@ -266,7 +266,7 @@ int32 GPS_Math_Deg_To_Semi(double v)
 
 double GPS_Math_Semi_To_Deg(int32 v)
 {
-    return v / (double) ((1U<<31) * 180);
+    return (double) (((double)v/(double)(1U<<31)) * (double)180);
 }