Mercurial > hg > nginx-quic
annotate src/core/ngx_hunk.c @ 70:e320bf51c4e3
nginx-0.0.1-2003-03-25-18:40:51 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 25 Mar 2003 15:40:51 +0000 |
parents | 5a7d1aaa1618 |
children | 6127d7075471 |
rev | line source |
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nginx-0.0.1-2002-08-06-20:39:45 import
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42
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nginx-0.0.1-2002-12-27-10:27:47 import
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2 #include <ngx_config.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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3 #include <ngx_hunk.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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4 |
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nginx-0.0.1-2002-09-02-18:48:24 import
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6 ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size, |
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nginx-0.0.1-2002-09-02-18:48:24 import
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7 int before, int after) |
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nginx-0.0.1-2002-08-06-20:39:45 import
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8 { |
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nginx-0.0.1-2002-09-26-20:50:29 import
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9 ngx_hunk_t *h; |
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10 |
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nginx-0.0.1-2002-09-26-20:50:29 import
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11 ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL); |
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nginx-0.0.1-2003-03-11-23:38:13 import
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13 ngx_test_null(h->pre_start, ngx_palloc(pool, size + before + after), NULL); |
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nginx-0.0.1-2002-08-06-20:39:45 import
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14 |
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15 h->start = h->pos = h->last = h->pre_start + before; |
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16 h->file_pos = h->file_last = 0; |
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nginx-0.0.1-2003-03-11-23:38:13 import
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17 h->end = h->last + size; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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18 h->post_end = h->end + after; |
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19 |
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nginx-0.0.1-2003-03-11-23:38:13 import
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20 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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21 h->tag = 0; |
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nginx-0.0.1-2002-09-02-18:48:24 import
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22 h->file = NULL; |
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23 |
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24 return h; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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25 } |
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nginx-0.0.1-2002-09-02-18:48:24 import
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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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nginx-0.0.1-2002-08-06-20:39:45 import
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28 { |
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29 ngx_hunk_t *h; |
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30 |
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31 ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL); |
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nginx-0.0.1-2003-03-11-23:38:13 import
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33 if (hunk->type & NGX_HUNK_TEMP && hunk->pos - hunk->pre_start >= size) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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34 /* keep hunk->start unchanged - used in restore */ |
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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; |
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37 h->start = h->pos = h->last = h->end - size; |
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38 h->file_pos = h->file_last = 0; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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39 |
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40 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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41 h->tag = 0; |
8
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nginx-0.0.1-2002-09-02-18:48:24 import
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42 h->file = NULL; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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43 |
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44 } else { |
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45 ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL); |
67
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nginx-0.0.1-2003-03-11-23:38:13 import
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46 h->start = h->pos = h->last = h->pre_start; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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47 h->end = h->post_end = h->start + size; |
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48 h->file_pos = h->file_last = 0; |
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49 |
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50 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY; |
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51 h->tag = 0; |
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52 h->file = NULL; |
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53 } |
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54 |
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55 return h; |
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56 } |
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57 |
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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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59 { |
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60 ngx_hunk_t *h; |
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61 |
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62 ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL); |
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63 |
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64 if (hunk->type & NGX_HUNK_TEMP |
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65 && hunk->last == hunk->end |
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66 && hunk->post_end - hunk->end >= size) |
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67 { |
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68 h->post_end = hunk->post_end; |
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69 h->pre_start = h->start = h->pos = h->last = hunk->post_end = |
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70 hunk->last; |
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71 h->file_pos = h->file_last = 0; |
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72 |
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73 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY; |
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74 h->tag = 0; |
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75 h->file = NULL; |
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76 |
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77 } else { |
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78 ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL); |
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79 h->start = h->pos = h->last = h->pre_start; |
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80 h->end = h->post_end = h->start + size; |
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81 h->file_pos = h->file_last = 0; |
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82 |
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83 h->type = NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY; |
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84 h->tag = 0; |
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85 h->file = NULL; |
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86 } |
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87 |
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88 return h; |
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89 } |