Mercurial > hg > nginx

annotate src/core/ngx_hunk.h @ 294:5cfd65b8b0a7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.3-2004-03-23-09:01:52 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 23 Mar 2004 06:01:52 +0000
parents 87e73f067470
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
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1 #ifndef _NGX_HUNK_H_INCLUDED_
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2 #define _NGX_HUNK_H_INCLUDED_
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_config.h>
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6 #include <ngx_core.h>
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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9 /* hunk type */
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11 /* the hunk is in memory */
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12 #define NGX_HUNK_IN_MEMORY 0x0001
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13 /* the hunk's content can be changed */
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14 #define NGX_HUNK_TEMP 0x0002
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5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
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15 /* the hunk's content is in cache and can not be changed */
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16 #define NGX_HUNK_MEMORY 0x0004
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17 /* the hunk's content is mmap()ed and can not be changed */
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18 #define NGX_HUNK_MMAP 0x0008
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19
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20 #define NGX_HUNK_RECYCLED 0x0010
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22 /* the hunk is in file */
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23 #define NGX_HUNK_FILE 0x0020
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25 #define NGX_HUNK_STORAGE (NGX_HUNK_IN_MEMORY \
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26 |NGX_HUNK_TEMP|NGX_HUNK_MEMORY|NGX_HUNK_MMAP \
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7a886b9a67dc nginx-0.0.1-2003-08-10-20:14:37 import
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27 |NGX_HUNK_RECYCLED|NGX_HUNK_FILE)
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29 /* hunk flags */
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31 /* in thread state flush means to write the hunk completely before return */
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32 /* in event state flush means to start to write the hunk */
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33 #define NGX_HUNK_FLUSH 0x0100
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34 /* last hunk */
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35 #define NGX_HUNK_LAST 0x0200
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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38 #define NGX_HUNK_PREREAD 0x2000
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39 #define NGX_HUNK_LAST_SHADOW 0x4000
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40 #define NGX_HUNK_TEMP_FILE 0x8000
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43 typedef void * ngx_hunk_tag_t;
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45 typedef struct ngx_hunk_s ngx_hunk_t;
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47 struct ngx_hunk_s {
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87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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parents: 194
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48 u_char *pos;
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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49 u_char *last;
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50 off_t file_pos;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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51 off_t file_last;
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52
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53 int type;
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54 u_char *start; /* start of hunk */
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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55 u_char *end; /* end of hunk */
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56 ngx_hunk_tag_t tag;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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57 ngx_file_t *file;
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58 ngx_hunk_t *shadow;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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59 /* STUB */ int num;
0
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60 };
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63 typedef struct ngx_chain_s ngx_chain_t;
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65 struct ngx_chain_s {
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66 ngx_hunk_t *hunk;
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67 ngx_chain_t *next;
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68 };
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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71 typedef struct {
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72 ngx_int_t num;
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73 size_t size;
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74 } ngx_bufs_t;
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77 typedef int (*ngx_output_chain_filter_pt)(void *ctx, ngx_chain_t *out);
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78
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79 typedef struct {
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80 ngx_hunk_t *hunk;
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81 ngx_chain_t *in;
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82 ngx_chain_t *free;
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83 ngx_chain_t *busy;
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84
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85 unsigned sendfile;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
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86 unsigned need_in_memory;
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87 unsigned need_in_temp;
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88
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89 ngx_pool_t *pool;
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90 ngx_int_t hunks;
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91 ngx_bufs_t bufs;
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92 ngx_hunk_tag_t tag;
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93
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94 ngx_output_chain_filter_pt output_filter;
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95 void *filter_ctx;
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96 } ngx_output_chain_ctx_t;
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97
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99 typedef struct {
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
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100 ngx_chain_t *out;
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101 ngx_chain_t **last;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
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102 ngx_connection_t *connection;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
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103 ngx_pool_t *pool;
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389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
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104 } ngx_chain_writer_ctx_t;
162
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105
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106
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107 #define NGX_CHAIN_ERROR (ngx_chain_t *) NGX_ERROR
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108
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109
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110 #define ngx_hunk_in_memory_only(h) \
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111 ((h->type & (NGX_HUNK_IN_MEMORY|NGX_HUNK_FILE)) == NGX_HUNK_IN_MEMORY)
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112 /*
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113 ((h->type & (NGX_HUNK_TEMP|NGX_HUNK_MEMORY|NGX_HUNK_MMAP|NGX_HUNK_FILE)) \
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114 == (h->type & (NGX_HUNK_TEMP|NGX_HUNK_MEMORY|NGX_HUNK_MMAP)))
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diff changeset
115
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 141
diff changeset
116 */
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 141
diff changeset
117
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 141
diff changeset
118 #define ngx_hunk_special(h) \
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 141
diff changeset
119 (h->type == (h->type & (NGX_HUNK_FLUSH|NGX_HUNK_LAST)))
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
diff changeset
120
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
diff changeset
121
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
122 #define ngx_hunk_size(h) \
167
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
123 ((h->type & NGX_HUNK_IN_MEMORY) ? (size_t) (h->last - h->pos): \
8aef3c72e5da nginx-0.0.1-2003-10-30-19:51:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
124 (size_t) (h->file_last - h->file_pos))
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
125
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
126
194
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
127 ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, size_t size);
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
128
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 74
diff changeset
129 #define ngx_alloc_hunk(pool) ngx_palloc(pool, sizeof(ngx_hunk_t))
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
130 #define ngx_calloc_hunk(pool) ngx_pcalloc(pool, sizeof(ngx_hunk_t))
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 74
diff changeset
131
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
132
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
133 #define ngx_alloc_chain_link(pool) ngx_palloc(pool, sizeof(ngx_chain_t))
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
134
7
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
135
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
136 #define ngx_alloc_link_and_set_hunk(chain, h, pool, error) \
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
137 do { \
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
138 ngx_test_null(chain, ngx_alloc_chain_link(pool), error); \
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
139 chain->hunk = h; \
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
140 chain->next = NULL; \
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
141 } while (0);
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
142
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
143
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
144 #define ngx_chain_add_link(chain, last, cl) \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
145 if (chain) { \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
146 *last = cl; \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
147 } else { \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
148 chain = cl; \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
149 } \
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
150 last = &cl->next
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
151
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
152
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
153 int ngx_output_chain(ngx_output_chain_ctx_t *ctx, ngx_chain_t *in);
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
154 int ngx_chain_writer(void *data, ngx_chain_t *in);
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
155
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
156 int ngx_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain, ngx_chain_t *in);
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 130
diff changeset
157 void ngx_chain_update_chains(ngx_chain_t **free, ngx_chain_t **busy,
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
158 ngx_chain_t **out, ngx_hunk_tag_t tag);
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 130
diff changeset
159
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 130
diff changeset
160
100
7ebc8b7fb816 nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
diff changeset
161 #endif /* _NGX_HUNK_H_INCLUDED_ */