toybchan/minimal-heap
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fixed last successful allocation area not being reset when destroying the area

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toybchan
2026-06-09 04:09:01 +02:00
parent eaddbd31fd
commit b6bc80cf22
1 changed files with 7 additions and 4 deletions
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11
minimal_heap_implementation.inl
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@@ -108,7 +108,7 @@ void* MIHP_Allocate(MIHP_Heap* heap, size_t size)
MIHP_HeapSegmentHeader* nextSegment = currentArea->FirstSegment; MIHP_HeapSegmentHeader* nextSegment = currentArea->FirstSegment;
while (nextSegment) while (nextSegment)
{ {
if (numTraversedSegments * 100 > heap->Stats.NumTotalSegments * 50) if (numTraversedSegments * 100 > heap->Stats.NumTotalSegments * 80)
goto AllocateNewArea; goto AllocateNewArea;
numTraversedSegments++; numTraversedSegments++;
@@ -149,7 +149,6 @@ void* MIHP_Allocate(MIHP_Heap* heap, size_t size)
} }
AllocateNewArea: AllocateNewArea:
size_t newAreaSize = heap->Stats.TotalSize; size_t newAreaSize = heap->Stats.TotalSize;
while (newAreaSize < size) while (newAreaSize < size)
@@ -299,8 +298,6 @@ bool MIHP_Free(MIHP_Heap* heap, void* ptr)
prevArea->NextArea = nextArea; prevArea->NextArea = nextArea;
prevArea->Checksum = MIHP_GenerateHeapMemoryAreaChecksum(prevArea); prevArea->Checksum = MIHP_GenerateHeapMemoryAreaChecksum(prevArea);
} }
else
heap->FirstArea = nextArea;
if (nextArea) if (nextArea)
{ {
@@ -309,6 +306,12 @@ bool MIHP_Free(MIHP_Heap* heap, void* ptr)
nextArea->Checksum = MIHP_GenerateHeapMemoryAreaChecksum(nextArea); nextArea->Checksum = MIHP_GenerateHeapMemoryAreaChecksum(nextArea);
} }
if (heap->FirstArea == area)
heap->FirstArea = nextArea;
if (heap->LastSuccessfulAllocationArea == area)
heap->LastSuccessfulAllocationArea = nextArea;
MIHP_UNLOCK_HEAP(&heap->HeapLock); MIHP_UNLOCK_HEAP(&heap->HeapLock);
return true; return true;
} }