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LAB: Replace memcpy of overlapping region with memmove

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The result of using memcpy when source and destination overlap is
not clearly defined, so use memmove instead which avoids this problem.
This commit is contained in:
D G Turner 2019-10-05 01:32:41 +01:00
parent 3911b56444
commit 03380c0e8a
1 changed files with 1 additions and 1 deletions
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engines/lab/engine.cpp
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@ -825,7 +825,7 @@ void LabEngine::processMainButton(uint16 &curInv, uint16 &lastInv, uint16 &oldDi
if (!intersect) {
if (_numCrumbs == MAX_CRUMBS) {
_numCrumbs = MAX_CRUMBS - 1;
memcpy(&_breadCrumbs[0], &_breadCrumbs[1], _numCrumbs * sizeof _breadCrumbs[0]);
memmove(&_breadCrumbs[0], &_breadCrumbs[1], _numCrumbs * sizeof _breadCrumbs[0]);
}
_breadCrumbs[_numCrumbs]._crumbRoomNum = _roomNum;