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Olaf Wintermann <olaf.wintermann@gmail.com>
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1
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#include "dlist.h"
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Olaf Wintermann <olaf.wintermann@gmail.com>
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2
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Olaf Wintermann <olaf.wintermann@gmail.com>
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3
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void ucx_dlist_free(UcxDlist *l) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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4
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UcxDlist *e = l, *f;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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5
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while (e != NULL) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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6
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f = e;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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7
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e = e->next;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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8
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free(f);
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Olaf Wintermann <olaf.wintermann@gmail.com>
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9
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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10
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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11
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Olaf Wintermann <olaf.wintermann@gmail.com>
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12
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UcxDlist *ucx_dlist_append(UcxDlist *l, void *data) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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13
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UcxDlist *nl = (UcxDlist*) malloc(sizeof(UcxDlist));
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Olaf Wintermann <olaf.wintermann@gmail.com>
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14
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if (nl == NULL) return NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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15
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Olaf Wintermann <olaf.wintermann@gmail.com>
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16
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nl->data = data;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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17
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nl->next = NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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18
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if (l == NULL) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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19
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return nl;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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20
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} else {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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21
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UcxDlist *t = ucx_dlist_last(l);
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Olaf Wintermann <olaf.wintermann@gmail.com>
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22
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t->next = nl;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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23
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nl->prev = t;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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24
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return l;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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25
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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26
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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27
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Olaf Wintermann <olaf.wintermann@gmail.com>
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28
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UcxDlist *ucx_dlist_prepend(UcxDlist *l, void *data) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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29
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UcxDlist *nl = ucx_dlist_append(NULL, data);
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Olaf Wintermann <olaf.wintermann@gmail.com>
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30
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if (nl == NULL) return NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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31
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Olaf Wintermann <olaf.wintermann@gmail.com>
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if (l != NULL) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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33
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nl->next = l;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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34
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l->prev = nl;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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35
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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36
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return nl;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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37
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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38
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Olaf Wintermann <olaf.wintermann@gmail.com>
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39
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UcxDlist *ucx_dlist_concat(UcxDlist *l1, UcxDlist *l2) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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40
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if (l1 == NULL) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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41
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return l2;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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42
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} else {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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43
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UcxDlist *last = ucx_dlist_last(l1);
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Olaf Wintermann <olaf.wintermann@gmail.com>
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44
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last->next = l2;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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l2->prev = last;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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46
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return l1;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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47
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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48
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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49
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Olaf Wintermann <olaf.wintermann@gmail.com>
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50
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UcxDlist *ucx_dlist_last(UcxDlist *l) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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51
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if (l == NULL) return NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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52
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Olaf Wintermann <olaf.wintermann@gmail.com>
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53
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UcxDlist *e = l;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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54
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while (e->next != NULL) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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55
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e = e->next;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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56
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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57
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return e;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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58
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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59
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Olaf Wintermann <olaf.wintermann@gmail.com>
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60
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UcxDlist *ucx_dlist_get(UcxDlist *l, int index) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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61
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if (l == NULL) return NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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62
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Olaf Wintermann <olaf.wintermann@gmail.com>
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63
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UcxDlist *e = l;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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64
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while (e->next != NULL && index > 0) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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65
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e = e->next;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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66
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index--;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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67
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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68
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Olaf Wintermann <olaf.wintermann@gmail.com>
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69
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return index == 0 ? e : NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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70
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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71
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Olaf Wintermann <olaf.wintermann@gmail.com>
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72
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size_t ucx_dlist_size(UcxDlist *l) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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73
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if (l == NULL) return 0;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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74
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Olaf Wintermann <olaf.wintermann@gmail.com>
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75
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UcxDlist *e = l;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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76
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size_t s = 1;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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77
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while (e->next != NULL) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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78
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e = e->next;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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79
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s++;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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80
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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81
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Olaf Wintermann <olaf.wintermann@gmail.com>
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82
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return s;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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83
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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84
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Olaf Wintermann <olaf.wintermann@gmail.com>
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85
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void ucx_dlist_foreach(UcxDlist *l, ucx_callback fnc, void* data) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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86
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UcxDlist *e = l;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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87
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while (e != NULL) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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88
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fnc(e, data);
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Olaf Wintermann <olaf.wintermann@gmail.com>
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89
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e = e->next;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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90
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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91
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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92
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Olaf Wintermann <olaf.wintermann@gmail.com>
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93
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/* dlist specific functions */
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Olaf Wintermann <olaf.wintermann@gmail.com>
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94
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UcxDlist *ucx_dlist_first(UcxDlist *l) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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95
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if (l == NULL) return NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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96
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Olaf Wintermann <olaf.wintermann@gmail.com>
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97
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UcxDlist *e = l;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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98
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while (e->prev != NULL) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
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99
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e = e->prev;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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100
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}
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Olaf Wintermann <olaf.wintermann@gmail.com>
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101
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return e;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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102
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}
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