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enforce asset limits

This commit is contained in:
tildearrow 2022-05-14 17:51:05 -05:00
parent 2fc637494f
commit 06ec22d6a5
3 changed files with 84 additions and 30 deletions
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23
src/engine/engine.cpp
View File

@ -1594,6 +1594,7 @@ void DivEngine::unmuteAll() {
}
int DivEngine::addInstrument(int refChan) {
if (song.ins.size()>=256) return -1;
BUSY_BEGIN;
DivInstrument* ins=new DivInstrument;
int insCount=(int)song.ins.size();
@ -1624,6 +1625,10 @@ int DivEngine::addInstrument(int refChan) {
}
int DivEngine::addInstrumentPtr(DivInstrument* which) {
if (song.ins.size()>=256) {
delete which;
return -1;
}
BUSY_BEGIN;
saveLock.lock();
song.ins.push_back(which);
@ -1668,6 +1673,7 @@ void DivEngine::delInstrument(int index) {
}
int DivEngine::addWave() {
if (song.wave.size()>=256) return -1;
BUSY_BEGIN;
saveLock.lock();
DivWavetable* wave=new DivWavetable;
@ -1680,37 +1686,48 @@ int DivEngine::addWave() {
}
bool DivEngine::addWaveFromFile(const char* path) {
if (song.wave.size()>=256) {
lastError="too many wavetables!";
return false;
}
FILE* f=ps_fopen(path,"rb");
if (f==NULL) {
lastError=fmt::sprintf("%s",strerror(errno));
return false;
}
unsigned char* buf;
ssize_t len;
if (fseek(f,0,SEEK_END)!=0) {
fclose(f);
lastError=fmt::sprintf("could not seek to end: %s",strerror(errno));
return false;
}
len=ftell(f);
if (len<0) {
fclose(f);
lastError=fmt::sprintf("could not determine file size: %s",strerror(errno));
return false;
}
if (len==(SIZE_MAX>>1)) {
fclose(f);
lastError="file size is invalid!";
return false;
}
if (len==0) {
fclose(f);
lastError="file is empty";
return false;
}
if (fseek(f,0,SEEK_SET)!=0) {
fclose(f);
lastError=fmt::sprintf("could not seek to beginning: %s",strerror(errno));
return false;
}
buf=new unsigned char[len];
if (fread(buf,1,len,f)!=(size_t)len) {
logW("did not read entire wavetable file buffer!");
delete[] buf;
lastError=fmt::sprintf("could not read entire file: %s",strerror(errno));
return false;
}
fclose(f);
@ -1790,6 +1807,7 @@ bool DivEngine::addWaveFromFile(const char* path) {
} catch (EndOfFileException& e) {
delete wave;
delete[] buf;
lastError="premature end of file";
return false;
}
@ -1816,6 +1834,7 @@ void DivEngine::delWave(int index) {
}
int DivEngine::addSample() {
if (song.sample.size()>=256) return -1;
BUSY_BEGIN;
saveLock.lock();
DivSample* sample=new DivSample;
@ -1830,6 +1849,10 @@ int DivEngine::addSample() {
}
int DivEngine::addSampleFromFile(const char* path) {
if (song.sample.size()>=256) {
lastError="too many samples!";
return -1;
}
BUSY_BEGIN;
warnings="";

84
src/gui/doAction.cpp
View File

@ -525,14 +525,22 @@ void FurnaceGUI::doAction(int what) {
case GUI_ACTION_INS_LIST_ADD:
curIns=e->addInstrument(cursor.xCoarse);
MARK_MODIFIED;
if (curIns==-1) {
showError("too many instruments!");
} else {
MARK_MODIFIED;
}
break;
case GUI_ACTION_INS_LIST_DUPLICATE:
if (curIns>=0 && curIns<(int)e->song.ins.size()) {
int prevIns=curIns;
curIns=e->addInstrument(cursor.xCoarse);
(*e->song.ins[curIns])=(*e->song.ins[prevIns]);
MARK_MODIFIED;
if (curIns==-1) {
showError("too many instruments!");
} else {
(*e->song.ins[curIns])=(*e->song.ins[prevIns]);
MARK_MODIFIED;
}
}
break;
case GUI_ACTION_INS_LIST_OPEN:
@ -571,14 +579,22 @@ void FurnaceGUI::doAction(int what) {
case GUI_ACTION_WAVE_LIST_ADD:
curWave=e->addWave();
MARK_MODIFIED;
if (curWave==-1) {
showError("too many wavetables!");
} else {
MARK_MODIFIED;
}
break;
case GUI_ACTION_WAVE_LIST_DUPLICATE:
if (curWave>=0 && curWave<(int)e->song.wave.size()) {
int prevWave=curWave;
curWave=e->addWave();
(*e->song.wave[curWave])=(*e->song.wave[prevWave]);
MARK_MODIFIED;
if (curWave==-1) {
showError("too many wavetables!");
} else {
(*e->song.wave[curWave])=(*e->song.wave[prevWave]);
MARK_MODIFIED;
}
}
break;
case GUI_ACTION_WAVE_LIST_OPEN:
@ -614,31 +630,39 @@ void FurnaceGUI::doAction(int what) {
case GUI_ACTION_SAMPLE_LIST_ADD:
curSample=e->addSample();
if (curSample==-1) {
showError("too many samples!");
} else {
MARK_MODIFIED;
}
updateSampleTex=true;
MARK_MODIFIED;
break;
case GUI_ACTION_SAMPLE_LIST_DUPLICATE:
if (curSample>=0 && curSample<(int)e->song.sample.size()) {
DivSample* prevSample=e->getSample(curSample);
curSample=e->addSample();
updateSampleTex=true;
e->lockEngine([this,prevSample]() {
DivSample* sample=e->getSample(curSample);
if (sample!=NULL) {
sample->rate=prevSample->rate;
sample->centerRate=prevSample->centerRate;
sample->name=prevSample->name;
sample->loopStart=prevSample->loopStart;
sample->depth=prevSample->depth;
if (sample->init(prevSample->samples)) {
if (prevSample->getCurBuf()!=NULL) {
memcpy(sample->getCurBuf(),prevSample->getCurBuf(),prevSample->getCurBufLen());
if (curSample==-1) {
showError("too many samples!");
} else {
e->lockEngine([this,prevSample]() {
DivSample* sample=e->getSample(curSample);
if (sample!=NULL) {
sample->rate=prevSample->rate;
sample->centerRate=prevSample->centerRate;
sample->name=prevSample->name;
sample->loopStart=prevSample->loopStart;
sample->depth=prevSample->depth;
if (sample->init(prevSample->samples)) {
if (prevSample->getCurBuf()!=NULL) {
memcpy(sample->getCurBuf(),prevSample->getCurBuf(),prevSample->getCurBufLen());
}
}
}
}
e->renderSamples();
});
MARK_MODIFIED;
e->renderSamples();
});
MARK_MODIFIED;
}
updateSampleTex=true;
}
break;
case GUI_ACTION_SAMPLE_LIST_OPEN:
@ -1154,11 +1178,15 @@ void FurnaceGUI::doAction(int what) {
if (curSample<0 || curSample>=(int)e->song.sample.size()) break;
DivSample* sample=e->song.sample[curSample];
curIns=e->addInstrument(cursor.xCoarse);
e->song.ins[curIns]->type=DIV_INS_AMIGA;
e->song.ins[curIns]->name=sample->name;
e->song.ins[curIns]->amiga.initSample=curSample;
nextWindow=GUI_WINDOW_INS_EDIT;
MARK_MODIFIED;
if (curIns==-1) {
showError("too many instruments!");
} else {
e->song.ins[curIns]->type=DIV_INS_AMIGA;
e->song.ins[curIns]->name=sample->name;
e->song.ins[curIns]->amiga.initSample=curSample;
nextWindow=GUI_WINDOW_INS_EDIT;
MARK_MODIFIED;
}
break;
}

7
src/gui/gui.cpp
View File

@ -3161,8 +3161,11 @@ bool FurnaceGUI::loop() {
break;
}
case GUI_FILE_WAVE_OPEN:
e->addWaveFromFile(copyOfName.c_str());
MARK_MODIFIED;
if (!e->addWaveFromFile(copyOfName.c_str())) {
showError("cannot load wavetable! ("+e->getLastError()+")");
} else {
MARK_MODIFIED;
}
break;
case GUI_FILE_EXPORT_VGM: {
SafeWriter* w=e->saveVGM(willExport,vgmExportLoop,vgmExportVersion);