1 files changed, 55 insertions, 0 deletions
diff --git a/arm9/lib/include/NNS_FND_expheap.h b/arm9/lib/include/NNS_FND_expheap.h
new file mode 100644
index 00000000..c0008f28
--- /dev/null
+++ b/arm9/lib/include/NNS_FND_expheap.h
@@ -0,0 +1,55 @@
+#ifndef GUARD_NNS_FND_EXPHEAP_H
+#define GUARD_NNS_FND_EXPHEAP_H
+
+#include "NNS_FND_heapcommon.h"
+
+typedef struct NNSiFndExpHeapMBlockHead NNSiFndExpHeapMBlockHead;
+
+struct NNSiFndExpHeapMBlockHead
+{
+    u16                         signature;      // Signature
+    u16                         attribute;      // Attribute
+    // [8:groupID]
+    // [7:alignment]
+    // [1:temporary flag]
+
+    u32                         blockSize;      // Block size (data area only)
+
+    NNSiFndExpHeapMBlockHead*   pMBHeadPrev;    // Previous block
+    NNSiFndExpHeapMBlockHead*   pMBHeadNext;    // Next block
+};
+
+typedef struct NNSiFndExpMBlockList NNSiFndExpMBlockList;
+
+struct NNSiFndExpMBlockList
+{
+    NNSiFndExpHeapMBlockHead*   head;   // Pointer for memory block linked to header
+    NNSiFndExpHeapMBlockHead*   tail;   // Pointer to the memory block linked to the tail of the expanded heap
+};
+
+typedef struct NNSiFndExpHeapHead NNSiFndExpHeapHead;
+
+struct NNSiFndExpHeapHead
+{
+    NNSiFndExpMBlockList        mbFreeList;     // Free list
+    NNSiFndExpMBlockList        mbUsedList;     // Used list
+
+    u16                         groupID;        // Current group ID (lower 8 bits only)
+    u16                         feature;        // Attribute
+};
+
+NNSFndHeapHandle NNS_FndCreateExpHeapEx(void *startAddress, u32 size, u32 optFlag);
+void *NNS_FndAllocFromExpHeapEx(NNSFndHeapHandle heap, u32 size, int alignment);
+void NNS_FndDestroyExpHeap(NNSFndHeapHandle heap);
+void NNS_FndFreeToExpHeap(NNSFndHeapHandle heap, void *memBlock);
+u32 NNS_FndGetTotalFreeSizeForExpHeap(NNSFndHeapHandle heap);
+u32 NNS_FndGetSizeForMBlockExpHeap(const void *memBlock);
+void NNS_FndResizeForMBlockExpHeap(NNSFndHeapHandle heap, void *memBlock, u32 size);
+
+#define             NNS_FndCreateExpHeap(startAddress, size) \
+                        NNS_FndCreateExpHeapEx(startAddress, size, 0)
+#define             NNS_FndAllocFromExpHeap(heap, size) \
+                        NNS_FndAllocFromExpHeapEx(heap, size, NNS_FND_HEAP_DEFAULT_ALIGNMENT)
+
+
+#endif //GUARD_NNS_FND_EXPHEAP_H