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avoid division by zero and fix segfault

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This commit is contained in:
Jacek Jendrzej
2016-05-23 14:17:25 +02:00
parent 5b6421b8b0
commit 9f20b27890
2 changed files with 3 additions and 3 deletions
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2
src/gui/components/cc_draw.cpp
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@@ -431,7 +431,7 @@ bool CCDraw::CheckFbData(const cc_fbdata_t& fbdata, const char* func, const int
//screen area save
fb_pixel_t* CCDraw::getScreen(int ax, int ay, int dx, int dy)
{
if (dx * dy == 0)
if (dx < 1 || dy < 1 || dx * dy == 0)
return NULL;
dprintf(DEBUG_INFO, "[CCDraw] INFO! [%s - %d], ax = %d, ay = %d, dx = %d, dy = %d\n", __func__, __LINE__, ax, ay, dx, dy);