Jan/WLED_MM_Infinity
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extra protection

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Frank
2026-01-12 19:47:40 +01:00
parent 05fb246af9
commit e5d7d7aacc
1 changed files with 2 additions and 1 deletions
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wled00/bus_manager.cpp
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@@ -1309,7 +1309,8 @@ int BusManager::add(BusConfig &bc) {
if (!theBus->isOk()) continue; if (!theBus->isOk()) continue;
// check for overlap // check for overlap
unsigned theStart = theBus->getStart(); unsigned theStart = theBus->getStart();
unsigned theEnd = theStart + theBus->getLength() - 1; unsigned theLen = theBus->getLength();
unsigned theEnd = (theLen > 0) ? theStart + theLen - 1 : theStart;
// see https://stackoverflow.com/questions/3269434/whats-the-most-efficient-way-to-test-if-two-ranges-overlap // see https://stackoverflow.com/questions/3269434/whats-the-most-efficient-way-to-test-if-two-ranges-overlap
if ((newStart <= theEnd) && (theStart <= newEnd)) { // catches all overlap scenarios - including "new is including (around) another range" if ((newStart <= theEnd) && (theStart <= newEnd)) { // catches all overlap scenarios - including "new is including (around) another range"
foundOverlap = true; foundOverlap = true;