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Fixed several problems found by PVS-Studio.

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This fixes all problems from the article "Checking OpenCV with PVS-Studio"
<http://www.viva64.com/en/b/0191/> that are not already fixed and are
not in 3rdparty or the legacy module.

The problems fixed are two instances of useless code and one instance
of unspecified behavior (right-shifting a negative number).
This commit is contained in:
Roman Donchenko
2014-05-20 13:54:00 +04:00
parent 976da2f3d3
commit 7ea1bf3cf0
3 changed files with 2 additions and 3 deletions
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modules/imgproc/src/contours.cpp
+1 -1
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@@ -1009,7 +1009,7 @@ cvFindNextContour( CvContourScanner scanner )
if( mode == CV_RETR_FLOODFILL )
{
prev = ((int*)img)[x - 1];
new_mask = INT_MIN >> 1;
new_mask = INT_MIN / 2;
}
for( ; y < height; y++, img += step )