Mercurial > hg > nginx
annotate src/core/ngx_array.c @ 485:4ebe09b07e30 release-0.1.17
nginx-0.1.17-RELEASE import
*) Change: the ngx_http_rewrite_module was rewritten from the scratch.
Now it is possible to redirect, to return the error codes, to check
the variables and referrers. The directives can be used inside
locations. The redirect directive was canceled.
*) Feature: the ngx_http_geo_module.
*) Feature: the proxy_set_x_var and fastcgi_set_var directives.
*) Bugfix: the location configuration with "=" modifier may be used in
another location.
*) Bugfix: the correct content type was set only for requests that use
small caps letters in extension.
*) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the
location, and access was denied, and the error was redirected to a
static page, then the segmentation fault occurred.
*) Bugfix: if in a proxied "Location" header was a relative URL, then a
host name and a slash were added to them; the bug had appeared in
0.1.14.
*) Bugfix: the system error message was not logged on Linux.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 03 Feb 2005 19:33:37 +0000 |
parents | 42d11f017717 |
children | d4ea69372b94 |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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485 | 11 ngx_array_t *ngx_array_create(ngx_pool_t *p, ngx_uint_t n, size_t size) |
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12 { |
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13 ngx_array_t *a; |
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14 |
485 | 15 if (!(a = ngx_palloc(p, sizeof(ngx_array_t)))) { |
16 return NULL; | |
17 } | |
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18 |
485 | 19 if (!(a->elts = ngx_palloc(p, n * size))) { |
20 return NULL; | |
21 } | |
22 | |
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23 a->nelts = 0; |
485 | 24 a->size = size; |
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25 a->nalloc = n; |
485 | 26 a->pool = p; |
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27 |
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28 return a; |
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29 } |
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485 | 32 void ngx_array_destroy(ngx_array_t *a) |
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33 { |
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34 ngx_pool_t *p; |
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36 p = a->pool; |
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485 | 38 if ((u_char *) a->elts + a->size * a->nalloc == p->last) { |
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39 p->last -= a->size * a->nalloc; |
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40 } |
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41 |
485 | 42 if ((u_char *) a + sizeof(ngx_array_t) == p->last) { |
43 p->last = (u_char *) a; | |
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44 } |
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45 } |
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485 | 48 void *ngx_array_push(ngx_array_t *a) |
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49 { |
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50 void *elt, *new; |
485 | 51 size_t size; |
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52 ngx_pool_t *p; |
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53 |
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54 if (a->nelts == a->nalloc) { |
485 | 55 |
56 /* the array is full */ | |
57 | |
58 size = a->size * a->nalloc; | |
59 | |
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60 p = a->pool; |
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61 |
485 | 62 if ((u_char *) a->elts + size == p->last && p->last + a->size <= p->end) |
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63 { |
485 | 64 /* |
65 * the array allocation is the last in the pool | |
66 * and there is space for new allocation | |
67 */ | |
68 | |
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69 p->last += a->size; |
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70 a->nalloc++; |
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71 |
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72 } else { |
485 | 73 /* allocate a new array */ |
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485 | 75 if (!(new = ngx_palloc(p, 2 * size))) { |
76 return NULL; | |
77 } | |
78 | |
79 ngx_memcpy(new, a->elts, size); | |
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80 a->elts = new; |
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81 a->nalloc *= 2; |
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82 } |
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83 } |
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84 |
485 | 85 elt = (u_char *) a->elts + a->size * a->nelts; |
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86 a->nelts++; |
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87 |
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88 return elt; |
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89 } |
485 | 90 |
91 | |
92 void *ngx_array_push_n(ngx_array_t *a, ngx_uint_t n) | |
93 { | |
94 void *elt, *new; | |
95 size_t size; | |
96 ngx_uint_t nalloc; | |
97 ngx_pool_t *p; | |
98 | |
99 size = n * a->size; | |
100 | |
101 if (a->nelts + n > a->nalloc) { | |
102 | |
103 /* the array is full */ | |
104 | |
105 p = a->pool; | |
106 | |
107 if ((u_char *) a->elts + a->size * a->nalloc == p->last | |
108 && p->last + size <= p->end) | |
109 { | |
110 /* | |
111 * the array allocation is the last in the pool | |
112 * and there is space for new allocation | |
113 */ | |
114 | |
115 p->last += size; | |
116 a->nalloc += n; | |
117 | |
118 } else { | |
119 /* allocate a new array */ | |
120 | |
121 nalloc = 2 * ((n >= a->nalloc) ? n : a->nalloc); | |
122 | |
123 if (!(new = ngx_palloc(p, nalloc * a->size))) { | |
124 return NULL; | |
125 } | |
126 | |
127 ngx_memcpy(new, a->elts, a->nelts * a->size); | |
128 a->elts = new; | |
129 a->nalloc = nalloc; | |
130 } | |
131 } | |
132 | |
133 elt = (u_char *) a->elts + a->size * a->nelts; | |
134 a->nelts += n; | |
135 | |
136 return elt; | |
137 } |