Mercurial > hg > nginx

annotate src/http/modules/ngx_http_chunked_filter_module.c @ 629:65bf042c0b4f release-0.3.36

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.3.36-RELEASE import *) Feature: the ngx_http_addition_filter_module. *) Feature: the "proxy_pass" and "fastcgi_pass" directives may be used inside the "if" block. *) Feature: the "proxy_ignore_client_abort" and "fastcgi_ignore_client_abort" directives. *) Feature: the "$request_completion" variable. *) Feature: the ngx_http_perl_module supports the $r->request_method and $r->remote_addr. *) Feature: the ngx_http_ssi_module supports the "elif" command. *) Bugfix: the "\/" string in the expression of the "if" command of the ngx_http_ssi_module was treated incorrectly. *) Bugfix: in the regular expressions in the "if" command of the ngx_http_ssi_module. *) Bugfix: if the relative path was specified in the "client_body_temp_path", "proxy_temp_path", "fastcgi_temp_path", and "perl_modules" directives, then the directory was used relatively to a current path but not to a server prefix.
author Igor Sysoev <igor@sysoev.ru>
date Wed, 05 Apr 2006 13:40:54 +0000
parents 5ef026a2ac74
children f971949ffb58
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
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12 static ngx_int_t ngx_http_chunked_filter_init(ngx_cycle_t *cycle);
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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15 static ngx_http_module_t ngx_http_chunked_filter_module_ctx = {
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9b8c906f6e63 nginx-0.1.29-RELEASE import
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16 NULL, /* preconfiguration */
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17 NULL, /* postconfiguration */
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4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
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18
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19 NULL, /* create main configuration */
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20 NULL, /* init main configuration */
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22 NULL, /* create server configuration */
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23 NULL, /* merge server configuration */
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24
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25 NULL, /* create location configuration */
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26 NULL /* merge location configuration */
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27 };
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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30 ngx_module_t ngx_http_chunked_filter_module = {
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31 NGX_MODULE_V1,
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32 &ngx_http_chunked_filter_module_ctx, /* module context */
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33 NULL, /* module directives */
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34 NGX_HTTP_MODULE, /* module type */
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35 NULL, /* init master */
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36 ngx_http_chunked_filter_init, /* init module */
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37 NULL, /* init process */
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38 NULL, /* init thread */
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39 NULL, /* exit thread */
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40 NULL, /* exit process */
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41 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
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42 NGX_MODULE_V1_PADDING
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43 };
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45
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46 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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47 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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48
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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49
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d4ea69372b94 nginx-0.1.25-RELEASE import
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50 static ngx_int_t
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51 ngx_http_chunked_header_filter(ngx_http_request_t *r)
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52 {
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53 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED
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54 || r->headers_out.status == NGX_HTTP_NO_CONTENT
5ef026a2ac74 nginx-0.3.29-RELEASE import
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55 || r != r->main)
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56 {
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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57 return ngx_http_next_header_filter(r);
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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58 }
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59
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c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
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60 if (r->headers_out.content_length_n == -1) {
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61 if (r->http_version < NGX_HTTP_VERSION_11) {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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62 r->keepalive = 0;
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63
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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64 } else {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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65 r->chunked = 1;
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66 }
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67 }
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68
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69 return ngx_http_next_header_filter(r);
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70 }
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71
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72
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73 static ngx_int_t
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74 ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
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75 {
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87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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76 u_char *chunk;
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8e8f3af115b5 nginx-0.1.11-RELEASE import
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77 off_t size;
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6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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78 ngx_buf_t *b;
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79 ngx_chain_t out, tail, *cl, *tl, **ll;
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80
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81 if (in == NULL || !r->chunked || r->header_only) {
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82 return ngx_http_next_body_filter(r, in);
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83 }
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84
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85 out.buf = NULL;
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86 ll = &out.next;
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87
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88 size = 0;
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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89 cl = in;
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90
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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91 for ( ;; ) {
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ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
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92 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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93 "http chunk: %d", ngx_buf_size(cl->buf));
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94
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95 size += ngx_buf_size(cl->buf);
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96
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97 if (cl->buf->flush || ngx_buf_in_memory(cl->buf) || cl->buf->in_file) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
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98
501
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99 tl = ngx_alloc_chain_link(r->pool);
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100 if (tl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
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101 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
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102 }
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103
452
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104 tl->buf = cl->buf;
23fb87bddda1 nginx-0.1.1-RELEASE import
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105 *ll = tl;
23fb87bddda1 nginx-0.1.1-RELEASE import
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106 ll = &tl->next;
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107 }
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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108
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109 if (cl->next == NULL) {
99
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110 break;
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111 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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112
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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113 cl = cl->next;
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114 }
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115
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116 if (size) {
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
117 b = ngx_calloc_buf(r->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
118 if (b == NULL) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
119 return NGX_ERROR;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
120 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
121
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
122 /* the "0000000000000000" is 64-bit hexadimal string */
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
123
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
124 chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1);
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
125 if (chunk == NULL) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
126 return NGX_ERROR;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
127 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
128
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
129 b->temporary = 1;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
130 b->pos = chunk;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
131 b->last = ngx_sprintf(chunk, "%xO" CRLF, size);
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
132
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
133 out.buf = b;
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
134 }
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
136 if (cl->buf->last_buf) {
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
137 b = ngx_calloc_buf(r->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
138 if (b == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
139 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
140 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
141
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
142 b->memory = 1;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
143 b->last_buf = 1;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
144 b->pos = (u_char *) CRLF "0" CRLF CRLF;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
145 b->last = b->pos + 7;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
147 cl->buf->last_buf = 0;
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
148
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
149 if (size == 0) {
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
150 b->pos += 2;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
151 out.buf = b;
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
152 out.next = NULL;
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
153
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
154 return ngx_http_next_body_filter(r, &out);
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
155 }
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
156
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 } else {
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
158 if (size == 0) {
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
159 *ll = NULL;
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
160 return ngx_http_next_body_filter(r, out.next);
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
161 }
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
162
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
163 b = ngx_calloc_buf(r->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
164 if (b == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
165 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
166 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
167
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
168 b->memory = 1;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
169 b->pos = (u_char *) CRLF;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
170 b->last = b->pos + 2;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
173 tail.buf = b;
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
174 tail.next = NULL;
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
175 *ll = &tail;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
177 return ngx_http_next_body_filter(r, &out);
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
181 static ngx_int_t
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
182 ngx_http_chunked_filter_init(ngx_cycle_t *cycle)
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
184 ngx_http_next_header_filter = ngx_http_top_header_filter;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 ngx_http_top_header_filter = ngx_http_chunked_header_filter;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
187 ngx_http_next_body_filter = ngx_http_top_body_filter;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 ngx_http_top_body_filter = ngx_http_chunked_body_filter;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 return NGX_OK;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 }