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fix memory corruption when deleting unused samples

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tildearrow 2025-08-14 04:03:16 -05:00
parent 08764e0e88
commit aa7ab87b21
1 changed files with 3 additions and 2 deletions
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5
src/engine/engine.cpp
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@ -939,6 +939,7 @@ void DivEngine::delUnusedSamples() {
bool* isUsed=new bool[song.sample.size()]; bool* isUsed=new bool[song.sample.size()];
memset(isUsed,0,song.sample.size()*sizeof(bool)); memset(isUsed,0,song.sample.size()*sizeof(bool));
int isUsedMax=((int)song.sample.size())-1;
// scan in instruments // scan in instruments
for (DivInstrument* i: song.ins) { for (DivInstrument* i: song.ins) {
@ -1020,10 +1021,10 @@ void DivEngine::delUnusedSamples() {
if (!isUsed[i]) { if (!isUsed[i]) {
delSampleUnsafe(i,false); delSampleUnsafe(i,false);
// rotate // rotate
for (int j=i; j<255; j++) { for (int j=i; j<isUsedMax; j++) {
isUsed[j]=isUsed[j+1]; isUsed[j]=isUsed[j+1];
} }
isUsed[255]=true; isUsed[isUsedMax]=true;
i--; i--;
} }
} }