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[176] | 1 | #ifndef _SPLITHEAP_H_ |
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| 2 | #define _SPLITHEAP_H_ |
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| 3 | |
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| 4 | template <class SuperHeap> |
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| 5 | class SplitHeap : public SuperHeap { |
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| 6 | public: |
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| 7 | inline void * malloc (const size_t sz) |
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| 8 | { |
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| 9 | void * ptr = SuperHeap::malloc (sz); |
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| 10 | if (ptr != NULL) { |
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| 11 | markInUse (ptr); |
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| 12 | size_t oldSize = getSize(ptr); |
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| 13 | if (oldSize <= sz + sizeof(double)) { |
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| 14 | return ptr; |
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| 15 | } else { |
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| 16 | void * splitPiece = split (ptr, sz); |
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| 17 | if (splitPiece != NULL) { |
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| 18 | // printf ("split %d into %d and %d\n", oldSize, getSize(ptr), getSize(splitPiece)); |
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| 19 | markFree (splitPiece); |
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| 20 | SuperHeap::free (splitPiece); |
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| 21 | } |
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| 22 | } |
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| 23 | } |
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| 24 | return ptr; |
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| 25 | } |
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| 26 | }; |
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| 27 | |
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| 28 | #endif |
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