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platform can now properly return larger amounts of memory as requested

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toybchan
2026-06-08 20:29:45 +02:00
parent 57ce5af8e6
commit d0e6bccafe
3 changed files with 26 additions and 18 deletions
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8
minimal_heap.h
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@@ -32,8 +32,8 @@
/* */
/* Hooks to be implemented by the library user */
void* MIHP_PlatformRequestMemory(size_t size); // Alignment must at least be alignment of size_t
bool MIHP_PlatformFreeMemory(void* ptr, size_t size);
void* MIHP_PlatformRequestMemory(size_t minRequestedSize, size_t* outActualSize); // Alignment must at least be alignment of size_t, outActualSize must at least be minRequestedSize
bool MIHP_PlatformFreeMemory(void* ptr, size_t actualSize);
void MIHP_PlatformOnHeapCorruptionDetected(struct _MIHP_HeapCorruptionInfo info);
/* */
@@ -108,6 +108,8 @@ typedef struct _MIHP_Heap
MIHP_HeapMemoryAreaHeader* FirstArea;
MIHP_HeapMemoryAreaHeader* LastSuccessfulAllocationArea;
size_t HeapStructureAllocationSize;
MIHP_HEAP_LOCK_TYPE HeapLock;
} MIHP_Heap;
@@ -130,7 +132,7 @@ bool MIHP_DestroyHeapMemoryArea(MIHP_Heap* heap, MIHP_HeapMemoryAreaHeader* area
MIHP_HeapSegmentHeader* MIHP_InitializeHeapSegment(MIHP_HeapMemoryAreaHeader* area, void* segmentStart, size_t size);
bool MIHP_UninitializeHeapSegment(MIHP_HeapSegmentHeader* segment);
bool MIHP_SplitHeapSegment(MIHP_HeapSegmentHeader* sourceSegment, size_t newSegmentSize, MIHP_HeapSegmentHeader** outNewSegment);
bool MIHP_SplitHeapSegment(MIHP_HeapSegmentHeader* sourceSegment, size_t newSegmentSize, MIHP_HeapSegmentHeader** optOutNewSegment);
bool MIHP_MergeHeapSegments(MIHP_HeapSegmentHeader* sourceSegment, MIHP_HeapSegmentHeader* segmentToAbsorb);
size_t MIHP_GetHeapAlignedSize(const MIHP_Heap* heap, size_t size);