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1 /*
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2 * File: ListOfArrays.h
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3 * Author: Nina Engelhardt
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4 *
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5 * Created on December 16, 2011, 2:06 PM
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6 */
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7
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8 #ifndef LISTOFARRAYS_H
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9 #define LISTOFARRAYS_H
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10
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11 #include<stddef.h>
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12 #include "../DynArray/DynArray.h"
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13
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14
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15 typedef struct {
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16 void* next;
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17 void* data;
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18 } ArrayFragment;
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19
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20 typedef struct {
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21 void** dim1;
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22 PrivDynArrayInfo* dim1info;
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23 //ArrayFragment* last;
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24 size_t entry_size;
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25 int num_entries_per_fragment;
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26 int next_free_index;
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27 } ListOfArrays;
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28
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29 ListOfArrays* makeListOfArrays(size_t entry_size, int num_entries_per_block);
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30
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31 #define addToListOfArrays(type,value,list) do { \
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32 int offset_in_fragment = list->next_free_index % list->num_entries_per_fragment; \
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33 if(offset_in_fragment == 0){ \
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34 void* newBlock = VMS__malloc(list->entry_size * list->num_entries_per_fragment); \
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35 addToDynArray(newBlock,list->dim1info); \
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36 } \
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37 type* typedFragment = (type*) ((list->dim1)[list->dim1info->numInArray -1]); \
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38 typedFragment[offset_in_fragment] = value; \
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39 list->next_free_index++; \
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40 } while (0)
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41
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42 typedef void (*ListOfArraysFnPtr) ( void * ); //fn has to cast void *
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43
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44 void forAllInListOfArraysDo(ListOfArrays* list, ListOfArraysFnPtr fnPtr);
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45
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46 #define valueInListOfArrays(type,index,list) ((type*)((list->dim1)[index / list->num_entries_per_fragment]))[index % list->num_entries_per_fragment]
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47
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48 #define setValueInListOfArrays(type,index,value,list) ((type*)((list->dim1)[index / list->num_entries_per_fragment]))[index % list->num_entries_per_fragment] = value
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49
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50 void freeListOfArrays(ListOfArrays* list);
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51
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52 #endif /* LISTOFARRAYS_H */
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53
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