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[Bug 1109269] [NEW] Coverity DIVIDE_BY_ZERO - CID 10933

 

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This bug is exported from the Coverity Integration Manager on Canonical's servers. For information on how this is done please see this website: https://wiki.ubuntu.com/CanonicalProductStrategy/Coverity
CID: 10933
Checker: DIVIDE_BY_ZERO
Category: No category available
CWE definition: http://cwe.mitre.org/data/definitions/571.html
File: /tmp/buildd/notify-osd-0.9.35daily12.11.28/egg/egg-alpha.c
Function: egg_exp_inc_func
Code snippet:
960 #endif
961   
962   timeline = egg_alpha_get_timeline (alpha);
963   frame    = egg_timeline_get_current_frame (timeline);
CID 10933 - DIVIDE_BY_ZERO
On this path, function call "egg_timeline_get_n_frames(timeline)" has return value of 0
Assigning: "n_frames" = "egg_timeline_get_n_frames(timeline)".
964   n_frames = egg_timeline_get_n_frames (timeline);
965 
CID 10933 - DIVIDE_BY_ZERO
In expression "x_alpha_max * frame / n_frames", division by expression "n_frames" which may be zero has undefined behavior.
966   x =  x_alpha_max * frame / n_frames;
967 
968   result = CLAMP (egg_pow2x (x) - 1, 0, EGG_ALPHA_MAX_ALPHA);
969

** Affects: notify-osd (Ubuntu)
     Importance: Medium
         Status: New


** Tags: coverity coverity-divide-by-zero
-- 
Coverity DIVIDE_BY_ZERO - CID 10933
https://bugs.launchpad.net/bugs/1109269
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