1 | /*
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2 | * $Id$
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3 | *
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4 | * Header file of mr_list.c: a set of function manipulating lists
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5 | * Provided under the GPL v2
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6 | */
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7 |
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8 | #ifndef MR_LIST_H
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9 | #define MR_LIST_H
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10 |
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11 | /* Data structure */
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12 | struct mr_list {
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13 | /**
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14 | * Pointers to first and last components of the list
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15 | */
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16 | struct mr_list_elt *first;
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17 | struct mr_list_elt *last;
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18 | };
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19 |
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20 | struct mr_list_elt {
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21 |
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22 | /* Content of the element in the list */
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23 | void *data;
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24 |
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25 | /* Function to unallocate memory contained in data */
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26 | void (*mr_free_data)(void *data);
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27 |
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28 | /* The neighbours (pointers to next and previous) */
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29 | struct mr_list_elt *next;
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30 | struct mr_list_elt *prev;
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31 | };
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32 |
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33 |
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34 | /* functions (public methods) */
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35 |
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36 | struct mr_list *mr_list_alloc(void);
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37 | struct mr_list_elt *mr_list_alloc_elt(void *data, void (*mr_free_data)(void *data));
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38 | void mr_list_free(struct mr_list *list);
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39 | void mr_list_free_elt(struct mr_list_elt *elt);
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40 | int mr_list_length(struct mr_list *list);
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41 | void mr_list_add_elt_first(struct mr_list *list, struct mr_list_elt *elt);
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42 | void mr_list_add_elt_last(struct mr_list *list, struct mr_list_elt *elt);
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43 | void mr_list_add_elt_after(struct mr_list *list, struct mr_list_elt *ref, struct mr_list_elt *elt);
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44 | void mr_list_add_elt_before(struct mr_list *list, struct mr_list_elt *ref, struct mr_list_elt *elt);
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45 | void mr_list_del_elt_first(struct mr_list *list);
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46 | void mr_list_del_elt_last(struct mr_list *list);
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47 | void mr_list_del_elt_after(struct mr_list *list, struct mr_list_elt *ref);
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48 | void mr_list_del_elt_before(struct mr_list *list, struct mr_list_elt *ref);
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49 |
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50 | #endif /* MR_LIST_H */
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