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framebuffer: handle an edge case

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Matheus
2022-09-24 15:14:20 -03:00
parent 313abaeb9a
commit 619b95c7f1
1 changed files with 7 additions and 3 deletions
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src/video/framebuffer.c
+4
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@@ -18,6 +18,10 @@ static int devchecks(int fb, size_t* count, size_t offset){
size_t end = fbs[fb]->pitch * fbs[fb]->height; size_t end = fbs[fb]->pitch * fbs[fb]->height;
if(offset >= end){
*count = 0;
}
if(*count + offset > end) if(*count + offset > end)
*count = end - offset; *count = end - offset;