Mercurial > hg > nginx
annotate src/core/ngx_radix_tree.c @ 342:0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 26 May 2004 19:33:53 +0000 |
parents | 41e552841296 |
children | af4c6b45a687 |
rev | line source |
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340
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nginx-0.0.3-2004-05-25-19:28:46 import
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1 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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2 #include <ngx_config.h> |
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nginx-0.0.3-2004-05-25-19:28:46 import
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3 #include <ngx_core.h> |
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nginx-0.0.3-2004-05-25-19:28:46 import
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4 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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5 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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6 /* STUB: page size */ |
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nginx-0.0.3-2004-05-25-19:28:46 import
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7 #define NGX_RADIX_TREE_POOL_SIZE 4096 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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8 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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9 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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10 static void *ngx_radix_alloc(ngx_radix_tree_t *tree, size_t size); |
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nginx-0.0.3-2004-05-25-19:28:46 import
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11 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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12 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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13 ngx_radix_tree_t *ngx_radix_tree_create(ngx_pool_t *pool) |
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nginx-0.0.3-2004-05-25-19:28:46 import
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14 { |
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nginx-0.0.3-2004-05-25-19:28:46 import
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15 ngx_radix_tree_t *tree; |
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nginx-0.0.3-2004-05-25-19:28:46 import
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16 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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17 if (!(tree = ngx_palloc(pool, sizeof(ngx_radix_tree_t)))) { |
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nginx-0.0.3-2004-05-25-19:28:46 import
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18 return NULL; |
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nginx-0.0.3-2004-05-25-19:28:46 import
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19 } |
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nginx-0.0.3-2004-05-25-19:28:46 import
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20 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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21 tree->pool = pool; |
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nginx-0.0.3-2004-05-25-19:28:46 import
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22 tree->free = NULL; |
341
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nginx-0.0.3-2004-05-26-19:30:12 import
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23 tree->start = NULL; |
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nginx-0.0.3-2004-05-25-19:28:46 import
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24 tree->size = 0; |
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nginx-0.0.3-2004-05-25-19:28:46 import
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25 |
342
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nginx-0.0.3-2004-05-26-23:33:53 import
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26 if (!(tree->root = ngx_radix_alloc(tree, sizeof(ngx_radix_node_t)))) { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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27 return NULL; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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28 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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29 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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30 tree->root->value = (uintptr_t) 0; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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31 tree->root->right = NULL; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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32 tree->root->left = NULL; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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33 tree->root->parent = NULL; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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34 |
340
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nginx-0.0.3-2004-05-25-19:28:46 import
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35 return tree; |
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nginx-0.0.3-2004-05-25-19:28:46 import
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36 } |
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nginx-0.0.3-2004-05-25-19:28:46 import
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37 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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38 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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39 ngx_int_t ngx_radix32tree_insert(ngx_radix_tree_t *tree, |
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nginx-0.0.3-2004-05-25-19:28:46 import
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40 uint32_t key, uint32_t mask, uintptr_t value) |
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nginx-0.0.3-2004-05-25-19:28:46 import
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41 { |
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nginx-0.0.3-2004-05-25-19:28:46 import
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42 uint32_t bit; |
342
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nginx-0.0.3-2004-05-26-23:33:53 import
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43 ngx_radix_node_t *node, *next; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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44 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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45 bit = 0x80000000; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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46 node = tree->root; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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47 next = NULL; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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48 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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49 while (bit & mask) { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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50 if (key & bit) { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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51 next = node->right; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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52 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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53 } else { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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54 next = node->left; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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55 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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56 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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57 bit >>= 1; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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58 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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59 if (next == NULL) { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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60 break; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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61 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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62 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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63 node = next; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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64 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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65 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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66 if (next) { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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67 if (node->value) { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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68 return NGX_BUSY; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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69 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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70 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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71 node->value = value; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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72 return NGX_OK; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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73 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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74 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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75 while (bit & mask) { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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76 if (!(next = ngx_radix_alloc(tree, sizeof(ngx_radix_node_t)))) { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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77 return NGX_ERROR; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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78 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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79 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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80 next->value = value; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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81 next->right = NULL; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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82 next->left = NULL; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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83 next->parent = node; |
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84 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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85 if (key & bit) { |
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86 node->right = next; |
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87 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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88 } else { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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89 node->left = next; |
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90 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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91 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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92 bit >>= 1; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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93 node = next; |
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94 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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95 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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96 return NGX_OK; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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97 } |
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nginx-0.0.3-2004-05-26-23:33:53 import
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98 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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99 |
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nginx-0.0.3-2004-05-26-23:33:53 import
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100 ngx_int_t ngx_radix32tree_delete(ngx_radix_tree_t *tree, |
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nginx-0.0.3-2004-05-26-23:33:53 import
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101 uint32_t key, uint32_t mask) |
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102 { |
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nginx-0.0.3-2004-05-26-23:33:53 import
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103 uint32_t bit; |
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nginx-0.0.3-2004-05-26-23:33:53 import
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104 ngx_radix_node_t *node; |
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nginx-0.0.3-2004-05-25-19:28:46 import
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105 |
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nginx-0.0.3-2004-05-25-19:28:46 import
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106 bit = 0x80000000; |
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nginx-0.0.3-2004-05-25-19:28:46 import
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107 node = tree->root; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
109 while (node && (bit & mask)) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 if (key & bit) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 node = node->right; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 } else { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 node = node->left; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 bit >>= 1; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 |
342
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
120 if (node == NULL) { |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
121 return NGX_ERROR; |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
122 } |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 |
342
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
124 if (node->right || node->left) { |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
125 node->value = (uintptr_t) 0; |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 return NGX_OK; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 |
342
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
129 for ( ;; ) { |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
130 if (node->parent->right == node) { |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
131 node->parent->right = NULL; |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
132 } else { |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
133 node->parent->left = NULL; |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 |
342
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
136 node->right = tree->free; |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
137 tree->free = node; |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 |
342
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
139 node = node->parent; |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
140 |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
141 if (node->right || node->left || node->value || node->parent == NULL) { |
0ee0642af5f1
nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
341
diff
changeset
|
142 break; |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 return NGX_OK; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 uintptr_t ngx_radix32tree_find(ngx_radix_tree_t *tree, uint32_t key) |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 uint32_t bit; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 uintptr_t value; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 ngx_radix_node_t *node; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 bit = 0x80000000; |
341
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
157 value = (uintptr_t) 0; |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
158 node = tree->root; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 while (node) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 if (node->value) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 value = node->value; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 if (key & bit) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 node = node->right; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 } else { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 node = node->left; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
172 bit >>= 1; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 return value; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 static void *ngx_radix_alloc(ngx_radix_tree_t *tree, size_t size) |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 char *p; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 |
341
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
183 if (tree->free) { |
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
184 p = (char *) tree->free; |
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
185 tree->free = tree->free->right; |
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
186 return p; |
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
187 } |
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
188 |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
189 if (tree->size < size) { |
341
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
190 if (!(tree->start = ngx_palloc(tree->pool, NGX_RADIX_TREE_POOL_SIZE))) { |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 return NULL; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
193 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 tree->size = NGX_RADIX_TREE_POOL_SIZE; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 |
341
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
197 p = tree->start; |
41e552841296
nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
198 tree->start += size; |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 tree->size -= size; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 return p; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
202 } |