107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
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/*
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* ptrarray.h - Pointer array ADT description.
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*/
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/* Constants
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************/
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/*
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* ARRAYINDEX_MAX is set such that (ARRAYINDEX_MAX + 1) does not overflow an
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* ARRAYINDEX. This guarantee allows GetPtrCount() to return a count of
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* pointers as an ARRAYINDEX.
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*/
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#define ARRAYINDEX_MAX (LONG_MAX - 1)
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/* Types
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********/
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/* handles */
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DECLARE_HANDLE(HPTRARRAY);
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DECLARE_STANDARD_TYPES(HPTRARRAY);
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/* array index */
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typedef LONG ARRAYINDEX;
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DECLARE_STANDARD_TYPES(ARRAYINDEX);
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/*
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* pointer comparison callback function
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*
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* In sorting functions, both pointers are pointer array elements. In
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* searching functions, the first pointer is reference data and the second
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* pointer is a pointer array element.
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*/
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typedef COMPARISONRESULT (*COMPARESORTEDPTRSPROC)(PCVOID, PCVOID);
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/*
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* pointer comparison callback function
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*
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* In searching functions, the first pointer is reference data and the second
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* pointer is a pointer array element.
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*/
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typedef BOOL (*COMPAREUNSORTEDPTRSPROC)(PCVOID, PCVOID);
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/* new pointer array flags */
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typedef enum _newptrarrayflags
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{
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/* Insert elements in sorted order. */
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NPA_FL_SORTED_ADD = 0x0001,
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/* flag combinations */
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ALL_NPA_FLAGS = NPA_FL_SORTED_ADD
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}
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NEWPTRARRAYFLAGS;
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/* new pointer array description */
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typedef struct _newptrarray
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{
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DWORD dwFlags;
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ARRAYINDEX aicInitialPtrs;
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ARRAYINDEX aicAllocGranularity;
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}
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NEWPTRARRAY;
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DECLARE_STANDARD_TYPES(NEWPTRARRAY);
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/* Prototypes
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*************/
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/* ptrarray.c */
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extern BOOL CreatePtrArray(PCNEWPTRARRAY, PHPTRARRAY);
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extern void DestroyPtrArray(HPTRARRAY);
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extern BOOL InsertPtr(HPTRARRAY, COMPARESORTEDPTRSPROC, ARRAYINDEX, PCVOID);
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extern BOOL AddPtr(HPTRARRAY, COMPARESORTEDPTRSPROC, PCVOID, PARRAYINDEX);
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extern void DeletePtr(HPTRARRAY, ARRAYINDEX);
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extern void DeleteAllPtrs(HPTRARRAY);
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extern ARRAYINDEX GetPtrCount(HPTRARRAY);
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extern PVOID GetPtr(HPTRARRAY, ARRAYINDEX);
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extern void SortPtrArray(HPTRARRAY, COMPARESORTEDPTRSPROC);
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extern BOOL SearchSortedArray(HPTRARRAY, COMPARESORTEDPTRSPROC, PCVOID, PARRAYINDEX);
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extern BOOL LinearSearchArray(HPTRARRAY, COMPAREUNSORTEDPTRSPROC, PCVOID, PARRAYINDEX);
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#if defined(DEBUG) || defined(VSTF)
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extern BOOL IsValidHPTRARRAY(HPTRARRAY);
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#endif
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#ifdef VSTF
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extern BOOL IsValidHGLOBAL(HGLOBAL);
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#endif
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