Mercurial > hg > nginx-quic
annotate src/core/ngx_list.h @ 1131:2fa04ff2744c
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 06 Mar 2007 12:59:58 +0000 |
parents | 791ea37bc944 |
children | d620f497c50f |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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7 #ifndef _NGX_LIST_H_INCLUDED_ |
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8 #define _NGX_LIST_H_INCLUDED_ |
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9 |
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10 |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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13 |
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14 |
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15 typedef struct ngx_list_part_s ngx_list_part_t; |
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16 |
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17 struct ngx_list_part_s { |
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18 void *elts; |
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19 ngx_uint_t nelts; |
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20 ngx_list_part_t *next; |
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21 }; |
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22 |
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23 |
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24 typedef struct { |
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25 ngx_list_part_t *last; |
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26 ngx_list_part_t part; |
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27 size_t size; |
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28 ngx_uint_t nalloc; |
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29 ngx_pool_t *pool; |
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30 } ngx_list_t; |
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31 |
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32 |
766 | 33 ngx_list_t *ngx_list_create(ngx_pool_t *pool, ngx_uint_t n, size_t size); |
34 | |
35 static ngx_inline ngx_int_t | |
36 ngx_list_init(ngx_list_t *list, ngx_pool_t *pool, ngx_uint_t n, size_t size) | |
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37 { |
501 | 38 list->part.elts = ngx_palloc(pool, n * size); |
39 if (list->part.elts == NULL) { | |
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40 return NGX_ERROR; |
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41 } |
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42 |
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43 list->part.nelts = 0; |
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44 list->part.next = NULL; |
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45 list->last = &list->part; |
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46 list->size = size; |
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47 list->nalloc = n; |
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48 list->pool = pool; |
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49 |
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50 return NGX_OK; |
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51 } |
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52 |
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53 |
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54 /* |
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55 * |
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56 * the iteration through the list: |
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57 * |
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58 * part = &list.part; |
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59 * data = part->elts; |
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60 * |
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61 * for (i = 0 ;; i++) { |
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62 * |
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63 * if (i >= part->nelts) { |
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64 * if (part->next == NULL) { |
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65 * break; |
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66 * } |
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67 * |
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68 * part = part->next; |
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69 * data = part->elts; |
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70 * i = 0; |
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71 * } |
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72 * |
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73 * ... data[i] ... |
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74 * |
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75 * } |
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76 */ |
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77 |
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78 |
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79 void *ngx_list_push(ngx_list_t *list); |
414
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80 |
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81 |
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82 #endif /* _NGX_LIST_H_INCLUDED_ */ |