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added custom metadata and heapwalk function

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toybchan
2026-06-11 01:51:58 +02:00
parent e75b551159
commit 273868ee63
3 changed files with 101 additions and 22 deletions
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83
minimal_heap_implementation.inl
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@@ -82,9 +82,6 @@ bool MIHP_IsHeapInitialized(const MIHP_Heap* heap)
bool MIHP_UninitializeHeap(MIHP_Heap* heap, bool force)
{
if (heap == NULL)
return false;
if (!MIHP_IsHeapInitialized(heap))
return false;
@@ -107,7 +104,7 @@ bool MIHP_UninitializeHeap(MIHP_Heap* heap, bool force)
void* MIHP_Allocate(MIHP_Heap* heap, size_t size)
{
if (heap == NULL)
if (!MIHP_IsHeapInitialized(heap))
return NULL;
if (size == 0)
@@ -228,9 +225,6 @@ void* MIHP_Reallocate(MIHP_Heap* heap, void* ptr, size_t newSize)
return NULL;
}
if (heap == NULL)
return NULL;
if (ptr == NULL)
return MIHP_Allocate(heap, newSize);
@@ -302,12 +296,6 @@ void* MIHP_Reallocate(MIHP_Heap* heap, void* ptr, size_t newSize)
bool MIHP_Free(MIHP_Heap* heap, void* ptr)
{
if (heap == NULL)
return false;
if (ptr == NULL)
return false;
if (!MIHP_IsPointerInHeap(heap, ptr))
return false;
@@ -385,14 +373,33 @@ bool MIHP_Free(MIHP_Heap* heap, void* ptr)
return true;
}
bool MIHP_SetCustomMetadata(MIHP_Heap* heap, void* ptr, MIHP_AllocationCustomMetadata metadata)
{
if (!MIHP_IsPointerInHeap(heap, ptr))
return false;
MIHP_HeapSegmentHeader* segment = MIHP_GetSegmentHeaderPtr(heap, ptr);
MIHP_ValidateHeapSegmentHeader(heap, segment);
segment->CustomMetadata = metadata;
return true;
}
bool MIHP_GetCustomMetadata(MIHP_Heap* heap, void* ptr, MIHP_AllocationCustomMetadata* outMetadata)
{
if (outMetadata == NULL)
return false;
if (!MIHP_IsPointerInHeap(heap, ptr))
return false;
MIHP_HeapSegmentHeader* segment = MIHP_GetSegmentHeaderPtr(heap, ptr);
MIHP_ValidateHeapSegmentHeader(heap, segment);
*outMetadata = segment->CustomMetadata;
return true;
}
bool MIHP_MergeHeaps(MIHP_Heap* sourceHeap, MIHP_Heap* heapToAbsorb)
{
if (sourceHeap == NULL)
return false;
if (heapToAbsorb == NULL)
return false;
if (!MIHP_IsHeapInitialized(sourceHeap))
return false;
@@ -448,7 +455,7 @@ bool MIHP_MergeHeaps(MIHP_Heap* sourceHeap, MIHP_Heap* heapToAbsorb)
bool MIHP_IsPointerInHeap(MIHP_Heap* heap, void* ptr)
{
if (heap == NULL)
if (!MIHP_IsHeapInitialized(heap))
return false;
MIHP_LockHeap(heap);
@@ -492,6 +499,11 @@ size_t MIHP_GetPtrAllocationSize(MIHP_Heap* heap, void* ptr)
void MIHP_ValidateHeap(MIHP_Heap* heap)
{
if (!MIHP_IsHeapInitialized(heap))
return false;
MIHP_LockHeap(heap);
MIHP_HeapMemoryAreaHeader* nextArea = heap->FirstArea;
while (nextArea)
{
@@ -507,6 +519,37 @@ void MIHP_ValidateHeap(MIHP_Heap* heap)
nextSegment = currentSegment->NextSegment;
}
}
MIHP_UnlockHeap(heap);
}
bool MIHP_WalkHeap(MIHP_Heap* heap, MIHP_WalkHeapCallbackFn* callback)
{
if (!MIHP_IsHeapInitialized(heap))
return false;
if (callback == NULL)
return false;
MIHP_HeapMemoryAreaHeader* nextArea = heap->FirstArea;
while (nextArea != NULL)
{
MIHP_HeapMemoryAreaHeader* currentArea = nextArea;
MIHP_ValidateHeapMemoryAreaHeader(heap, currentArea);
nextArea = currentArea->NextArea;
MIHP_HeapSegmentHeader* nextSegment = currentArea->FirstSegment;
while (nextSegment != NULL)
{
MIHP_HeapSegmentHeader* currentSegment = nextSegment;
MIHP_ValidateHeapSegmentHeader(heap, currentSegment);
nextSegment = currentSegment->NextSegment;
callback(heap, currentArea, currentSegment);
}
}
return true;
}
void MIHP_LockHeap(MIHP_Heap* heap)