Added check to make sure undefined condition happens due to unitialized variables.

2016-06-20 12:27:47 +01:00
parent e09403a80c
commit 8f43268432
1 changed files with 2 additions and 0 deletions
--- a/src/osgPlugins/3ds/lib3ds/lib3ds_track.c
+++ b/src/osgPlugins/3ds/lib3ds/lib3ds_track.c
@@ -114,6 +114,8 @@ rot_key_setup(Lib3dsKey *prev, Lib3dsKey *cur, Lib3dsKey *next, float a[4], floa
    assert(cur);
    assert(prev || next);

+    if (!prev && !next) return;
+
    if (prev) {
        if (cur->value[3] > LIB3DS_TWOPI - LIB3DS_EPSILON) {
            lib3ds_quat_axis_angle(qm, cur->value, 0.0f);