78 lines
4.0 KiB
C
78 lines
4.0 KiB
C
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#ifndef _LISTS_H_
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#define _LISTS_H_
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#define LIST_START -1 /* Handy Constants that substitute for item positions */
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#define LIST_END 0 /* END_OF_LIST means one past current length of list when */
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/* inserting. Otherwise it refers the last item in the list. */
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typedef struct
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{
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void *ptr;
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unsigned int size;
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} HandleRecord;
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typedef void **Handle;
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typedef int (*CompareFunction)(void *data1, void *data2) ;
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typedef struct ListStructTag
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{
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int signature; /* debugging aid */
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int percentIncrease; /* %of current size to increase by when list is out of space */
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int minNumItemsIncrease; /* fixed number of items to increase by when list is out of space */
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int listSize; /* number of items than can fit in the currently allocated memory */
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int itemSize; /* the size of each item in the list (same for every item) */
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int numItems; /* number of items currently in the list */
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unsigned char itemList[1]; /* resizable array of list elements */
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} ListStruct;
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typedef struct ListStructTag **list_t; /* The list abstract data type */
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typedef int ( * ListApplicationFunc)(int index, void *ptrToItem, void *callbackData);
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/* Basic List Operations */
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list_t ListCreate(int elementSize);
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int ListNumItems(list_t list);
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int ListInsertItem(list_t list, void *ptrToItem, int itemPosition);
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int ListInsertItems(list_t list, void *ptrToItems, int firstItemPosition, int numItemsToInsert);
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void ListDispose(list_t list);
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void *ListGetPtrToItem(list_t list, int itemPosition);
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void ListRemoveItem(list_t list, void *itemDestination, int itemPosition);
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void ListRemoveItems(list_t list, void *itemsDestination, int firstItemPosition, int numItemsToRemove);
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#if 0 /* rarely ever used; kept here for reference just in case ... */
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void ListDisposePtrList(list_t list);
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void ListGetItem(list_t list, void *itemDestination, int itemPosition);
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void ListReplaceItem(list_t list, void *ptrToItem, int itemPosition);
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void ListRemoveItem(list_t list, void *itemDestination, int itemPosition);
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void ListGetItems(list_t list, void *itemsDestination, int firstItemPosition, int numItemsToGet);
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void ListReplaceItems(list_t list, void *ptrToItems, int firstItemPosition, int numItemsToReplace);
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void ListRemoveItems(list_t list, void *itemsDestination, int firstItemPosition, int numItemsToRemove);
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list_t ListCopy(list_t originalList);
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int ListAppend(list_t list1, list_t list2);
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void ListClear(list_t list);
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int ListEqual(list_t list1, list_t list2);
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int ListInsertInOrder(list_t list, void *ptrToItem, CompareFunction compareFunction);
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void *ListGetDataPtr(list_t list);
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int ListApplyToEach(list_t list, int ascending, ListApplicationFunc funcToApply, void *callbackData);
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/* List Searching and Sorting */
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int ListFindItem(list_t list, void *ptrToItem, int startingPosition, CompareFunction compareFunction);
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void ListRemoveDuplicates(list_t list, CompareFunction compareFunction);
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int ListBinSearch(list_t list, void *itemPtr, CompareFunction compareFunction);
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void ListQuickSort(list_t list, CompareFunction compareFunction);
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void ListHeapSort(list_t list, CompareFunction compareFunction);
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void ListInsertionSort(list_t list, CompareFunction compareFunction);
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int ListIsSorted(list_t list, CompareFunction compareFunction);
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/* Advanced List Functions */
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void ListSetAllocationPolicy(list_t list, int minItemsPerAlloc, int percentIncreasePerAlloc);
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void ListCompact(list_t list);
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int ListPreAllocate(list_t list, int numItems);
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int ListGetItemSize(list_t list);
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int GetIntListFromParmInfo(va_list parmInfo, int numIntegers, list_t *integerList);
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int ListInsertAfterItem(list_t list, void *ptrToItem, void *ptrToItemToInsertAfter, CompareFunction compareFunction);
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int ListInsertBeforeItem(list_t list, void *ptrToItem, void *ptrToItemToInsertBefore, CompareFunction compareFunction);
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#endif /* 0 */
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#endif /* _LISTS_H_ */
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