annotate src/core/ngx_hunk.c @ 67:5a7d1aaa1618

nginx-0.0.1-2003-03-11-23:38:13 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 11 Mar 2003 20:38:13 +0000
parents cd035a94e0b6
children 6127d7075471
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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1
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cd035a94e0b6 nginx-0.0.1-2002-12-27-10:27:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 16
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2 #include <ngx_config.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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3 #include <ngx_hunk.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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6 ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size,
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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7 int before, int after)
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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8 {
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6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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9 ngx_hunk_t *h;
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
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6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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11 ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
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13 ngx_test_null(h->pre_start, ngx_palloc(pool, size + before + after), NULL);
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
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15 h->start = h->pos = h->last = h->pre_start + before;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
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16 h->file_pos = h->file_last = 0;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
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17 h->end = h->last + size;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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18 h->post_end = h->end + after;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
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20 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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21 h->tag = 0;
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
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22 h->file = NULL;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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24 return h;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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25 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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27 ngx_hunk_t *ngx_create_hunk_before(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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28 {
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6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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29 ngx_hunk_t *h;
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
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30
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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31 ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
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33 if (hunk->type & NGX_HUNK_TEMP && hunk->pos - hunk->pre_start >= size) {
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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34 /* keep hunk->start unchanged - used in restore */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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35 h->pre_start = hunk->pre_start;
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36 h->end = h->post_end = hunk->pre_start = hunk->pos;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
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37 h->start = h->pos = h->last = h->end - size;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
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38 h->file_pos = h->file_last = 0;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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39
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Igor Sysoev <igor@sysoev.ru>
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40 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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41 h->tag = 0;
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
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42 h->file = NULL;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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44 } else {
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6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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45 ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL);
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
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46 h->start = h->pos = h->last = h->pre_start;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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47 h->end = h->post_end = h->start + size;
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5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
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48 h->file_pos = h->file_last = 0;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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49
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50 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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51 h->tag = 0;
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
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52 h->file = NULL;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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53 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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55 return h;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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56 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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58 ngx_hunk_t *ngx_create_hunk_after(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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59 {
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6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
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60 ngx_hunk_t *h;
6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
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6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
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62 ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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64 if (hunk->type & NGX_HUNK_TEMP
67
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65 && hunk->last == hunk->end
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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66 && hunk->post_end - hunk->end >= size)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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67 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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68 h->post_end = hunk->post_end;
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
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69 h->pre_start = h->start = h->pos = h->last = hunk->post_end =
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
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70 hunk->last;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
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71 h->file_pos = h->file_last = 0;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
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72
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
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73 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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74 h->tag = 0;
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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75 h->file = NULL;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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77 } else {
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6ce4755737b4 nginx-0.0.1-2002-09-26-20:50:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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78 ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL);
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
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79 h->start = h->pos = h->last = h->pre_start;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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80 h->end = h->post_end = h->start + size;
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
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81 h->file_pos = h->file_last = 0;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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82
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 42
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83 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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84 h->tag = 0;
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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85 h->file = NULL;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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86 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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87
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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88 return h;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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89 }