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annotate ListOfArrays.c @ 0:bc4b3434367f

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bare bones - create, add, iter
author Nina Engelhardt <nengel@mailbox.tu-berlin.de>
date Mon, 19 Dec 2011 13:25:30 +0100
parents
children fd441e4d0908
rev   line source
nengel@0 1
nengel@0 2 #include "ListOfArrays.h"
nengel@0 3 #include "../vmalloc.h"
nengel@0 4
nengel@0 5 ListOfArrays* makeListOfArrays(size_t entry_size, int num_entries_per_block){
nengel@0 6 ListOfArrays* newLoA = (ListOfArrays*) VMS__malloc(sizeof(ListOfArrays));
nengel@0 7 newLoA->first = NULL;
nengel@0 8 newLoA->last = NULL;
nengel@0 9 newLoA->entry_size = entry_size;
nengel@0 10 newLoA->num_entries_per_fragment = num_entries_per_block;
nengel@0 11 newLoA->next_free_index = 0;
nengel@0 12
nengel@0 13 return newLoA;
nengel@0 14 }
nengel@0 15
nengel@0 16 void forAllInListOfArraysDo(ListOfArrays* list, ListOfArraysFnPtr fnPtr){
nengel@0 17 ArrayFragment* current = list->first;
nengel@0 18 while(current->next){
nengel@0 19 uintptr_t p;
nengel@0 20 for(p = current->data; p < current->data + list->num_entries_per_fragment * list->entry_size; p += list->entry_size){
nengel@0 21 (*fnPtr)(p);
nengel@0 22 }
nengel@0 23 current = current->next;
nengel@0 24 }
nengel@0 25 //assert(current == list->last);
nengel@0 26 int offset_in_last = list->next_free_index % list->num_entries_per_fragment;
nengel@0 27 uintptr_t p;
nengel@0 28 for(p = current->data; p < current->data + offset_in_last * list->entry_size; p += list->entry_size){
nengel@0 29 (*fnPtr)(p);
nengel@0 30 }
nengel@0 31 }