84 lines
3.5 KiB
C
84 lines
3.5 KiB
C
/****************************************************************************/
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/* abacom.c */
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/* */
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/* BA code common to DD and WD */
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/* */
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/* Copyright(c) Microsoft 1997-1998 */
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/****************************************************************************/
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#ifdef DC_DEBUG
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/****************************************************************************/
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/* Name: BACheckList */
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/* */
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/* Purpose: Check the integrity of the BA list */
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/****************************************************************************/
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void RDPCALL SHCLASS BACheckList(void)
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{
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unsigned usedCount, freeCount;
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unsigned next;
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unsigned prev;
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UINT32 totalArea;
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DC_BEGIN_FN("BACheckList");
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/************************************************************************/
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/* Check used list */
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/************************************************************************/
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usedCount = 0;
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totalArea = 0;
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next = _pShm->ba.firstRect;
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prev = BA_INVALID_RECT_INDEX;
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while (next != BA_INVALID_RECT_INDEX)
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{
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TRC_ASSERT((_pShm->ba.bounds[next].inUse),
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(TB,"BA used list entry not marked in use"));
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TRC_ASSERT((_pShm->ba.bounds[next].iPrev == prev),
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(TB,"BA used list entry iPrev not correct (%u, expected %u)",
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_pShm->ba.bounds[next].iPrev, prev));
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totalArea += _pShm->ba.bounds[next].area;
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usedCount++;
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prev = next;
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next = _pShm->ba.bounds[next].iNext;
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}
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TRC_ASSERT((usedCount == _pShm->ba.rectsUsed),
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(TB,"BA used list inconsistent count (%u, expected %u)",
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_pShm->ba.rectsUsed, usedCount));
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TRC_ASSERT((usedCount <= BA_TOTAL_NUM_RECTS),
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(TB,"Too many used list rectangles (%d)", usedCount));
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TRC_ASSERT((totalArea == _pShm->ba.totalArea),
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(TB,"BA totalArea not correct (shm=%u, elements=%u)",
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_pShm->ba.totalArea, totalArea));
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/************************************************************************/
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/* Check free list */
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/************************************************************************/
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freeCount = 0;
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next = _pShm->ba.firstFreeRect;
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while (next != BA_INVALID_RECT_INDEX)
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{
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TRC_ASSERT((!_pShm->ba.bounds[next].inUse),
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(TB,"BA free list entry not marked free"));
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freeCount++;
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next = _pShm->ba.bounds[next].iNext;
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}
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TRC_ASSERT((freeCount == (BA_TOTAL_NUM_RECTS - _pShm->ba.rectsUsed)),
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(TB,"BA free list inconsistent count (%u, expected %u)",
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freeCount, (BA_TOTAL_NUM_RECTS - _pShm->ba.rectsUsed)));
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TRC_ASSERT((freeCount <= BA_TOTAL_NUM_RECTS),
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(TB,"Too many free list rectangles (%d)", freeCount));
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TRC_ASSERT(((freeCount + usedCount) == BA_TOTAL_NUM_RECTS),
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(TB,"Used+free (%u) != total rects", usedCount + freeCount));
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DC_END_FN();
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}
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#endif // DC_DEBUG
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