toybchan/minimal-heap
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made passed heap to platform functions opaque as its not always safe to dereference

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toybchan
2026-06-11 15:59:28 +02:00
parent 717966dea3
commit 8b033bb7d3
5 changed files with 15 additions and 13 deletions
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12
minimal_heap.h
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@@ -21,8 +21,10 @@
#endif
/* */
typedef void*(MIHP_PlatformRequestMemoryFn)(const struct _MIHP_Heap* heap, size_t minRequestedSize, size_t* outActualSize);
typedef bool (MIHP_PlatformFreeMemoryFn)(const struct _MIHP_Heap* heap, void* ptr, size_t actualSize);
typedef uintptr_t MIHP_HeapOpaque;
typedef void*(MIHP_PlatformRequestMemoryFn)(MIHP_HeapOpaque heap, size_t minRequestedSize, size_t* outActualSize);
typedef bool (MIHP_PlatformFreeMemoryFn)(MIHP_HeapOpaque heap, void* ptr, size_t actualSize);
typedef enum _MIHP_HEAP_CORRUPTION_ERROR
{
@@ -33,8 +35,8 @@ typedef enum _MIHP_HEAP_CORRUPTION_ERROR
typedef void (MIHP_OnHeapCorruptionDetectedFn)(const struct _MIHP_Heap* heap, struct _MIHP_HeapCorruptionInfo corruptionInfo);
typedef void(MIHP_LockHeapFn)(const struct _MIHP_Heap* heap, void* heapLock);
typedef void(MIHP_UnlockHeapFn)(const struct _MIHP_Heap* heap, void* heapLock);
typedef void(MIHP_LockHeapFn)(MIHP_HeapOpaque heap, void* heapLock);
typedef void(MIHP_UnlockHeapFn)(MIHP_HeapOpaque heap, void* heapLock);
typedef enum _MIHP_HeapValidationMode
{
@@ -87,7 +89,7 @@ typedef struct _MIHP_HeapMemoryAreaHeader
struct _MIHP_HeapSegmentHeader* LastSuccessfulAllocationSegment;
// TODO: Change this to an InstigatingHeapUuid (opaque ptr)
const struct _MIHP_Heap* InstigatingHeap; // Heap that created this area. May not always be the owning heap (in case of a merge) or safe to deference!
MIHP_HeapOpaque InstigatingHeap; // Heap that created this area.
uint32_t Checksum; // Checksum must be the last member !
} MIHP_HeapMemoryAreaHeader;