Coverity DIVIDE_BY_ZERO - CID 10485

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CID: 10485
Checker: DIVIDE_BY_ZERO
Category: No category available
CWE definition: http://cwe.mitre.org/data/definitions/571.html
File: /tmp/buildd/notify-osd-0.9.33/egg/egg-alpha.c
Function: sincx1024_func()
Code snippet:
573
574 timeline = egg_alpha_get_timeline (alpha);
575
576 current_frame_num = egg_timeline_get_current_frame (timeline);
CID 10485 - DIVIDE_BY_ZERO
Assigning: "n_frames" = "egg_timeline_get_n_frames(timeline)".
On this path, function call "egg_timeline_get_n_frames(timeline)" has return value of 0
577 n_frames = egg_timeline_get_n_frames (timeline);
578
CID 10485 - DIVIDE_BY_ZERO
Division by expression "n_frames" which may be zero has undefined behavior
579 x = angle * current_frame_num / n_frames;
580
581 x -= (512 * 512 / angle);
582