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Possible bugfix for #3609 #3616

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This commit is contained in:
Blaz Kristan 2023-12-25 17:47:39 +01:00
parent b743ca8eb1
commit 5ebc345e95
1 changed files with 14 additions and 20 deletions
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34
wled00/FX_fcn.cpp
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@ -90,18 +90,21 @@ Segment::Segment(const Segment &orig) {
//DEBUG_PRINTF("-- Copy segment constructor: %p -> %p\n", &orig, this);
memcpy((void*)this, (void*)&orig, sizeof(Segment));
_t = nullptr; // copied segment cannot be in transition
if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); } else { name = nullptr; }
if (orig.data) { if (allocateData(orig._dataLen)) memcpy(data, orig.data, orig._dataLen); } else { data = nullptr; _dataLen = 0; }
name = nullptr;
data = nullptr;
_dataLen = 0;
if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); }
if (orig.data) { if (allocateData(orig._dataLen)) memcpy(data, orig.data, orig._dataLen); }
}
// move constructor
Segment::Segment(Segment &&orig) noexcept {
//DEBUG_PRINTF("-- Move segment constructor: %p -> %p\n", &orig, this);
memcpy((void*)this, (void*)&orig, sizeof(Segment));
orig._t = nullptr; // old segment cannot be in transition any more
orig.name = nullptr;
orig.data = nullptr;
orig._dataLen = 0;
orig._t = nullptr; // old segment cannot be in transition any more
}
// copy assignment
@ -110,14 +113,7 @@ Segment& Segment::operator= (const Segment &orig) {
if (this != &orig) {
// clean destination
if (name) { delete[] name; name = nullptr; }
if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); }
if (_t) {
#ifndef WLED_DISABLE_MODE_BLEND
if (_t->_segT._dataT) free(_t->_segT._dataT);
#endif
delete _t;
_t = nullptr; // copied segment cannot be in transition
}
stopTransition();
deallocateData();
// copy source
memcpy((void*)this, (void*)&orig, sizeof(Segment));
@ -125,6 +121,7 @@ Segment& Segment::operator= (const Segment &orig) {
data = nullptr;
_dataLen = 0;
// copy source data
if (orig.name) { name = new char[strlen(orig.name)+1]; if (name) strcpy(name, orig.name); }
if (orig.data) { if (allocateData(orig._dataLen)) memcpy(data, orig.data, orig._dataLen); }
}
return *this;
@ -135,13 +132,7 @@ Segment& Segment::operator= (Segment &&orig) noexcept {
//DEBUG_PRINTF("-- Moving segment: %p -> %p\n", &orig, this);
if (this != &orig) {
if (name) { delete[] name; name = nullptr; } // free old name
if (_t) {
#ifndef WLED_DISABLE_MODE_BLEND
if (_t->_segT._dataT) free(_t->_segT._dataT);
#endif
delete _t;
_t = nullptr;
}
stopTransition();
deallocateData(); // free old runtime data
memcpy((void*)this, (void*)&orig, sizeof(Segment));
orig.name = nullptr;
@ -153,10 +144,13 @@ Segment& Segment::operator= (Segment &&orig) noexcept {
}
bool Segment::allocateData(size_t len) {
if (data && _dataLen == len) return true; //already allocated
if (data && _dataLen >= len) { // already allocated enough (reduce fragmentation)
if (call == 0) memset(data, 0, len); // erase buffer if called during effect initialisation
return true;
}
//DEBUG_PRINTF("-- Allocating data (%d): %p\n", len, this);
deallocateData();
if (len == 0) return(false); // nothing to do
if (len == 0) return false; // nothing to do
if (Segment::getUsedSegmentData() + len > MAX_SEGMENT_DATA) {
// not enough memory
DEBUG_PRINT(F("!!! Effect RAM depleted: "));