Mercurial > hg > nginx-quic
annotate src/core/ngx_log.h @ 4162:fb1375e8b68c stable-1.0
Merging r4036, r4055, r4056, r4057, r4058, r4059, r4060, r4061, r4062, r4063,
r4064:
Ranges related fixes:
The "max_ranges" directive.
"max_ranges 0" disables ranges support at all,
"max_ranges 1" allows the single range, etc.
By default number of ranges is unlimited, to be precise, 2^31-1.
If client requests more ranges than "max_ranges" permits,
nginx disables ranges and returns just the source response.
If total size of all ranges is greater than source response size,
then nginx disables ranges and returns just the source response.
This fix should not affect well-behaving applications but will defeat
DoS attempts exploiting malicious byte ranges.
Now unsatisfiable ranges are processed according to RFC 2616.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 30 Sep 2011 14:06:08 +0000 |
parents | e27070fb6c6b |
children | f72496073689 |
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 #ifndef _NGX_LOG_H_INCLUDED_ |
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8 #define _NGX_LOG_H_INCLUDED_ |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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15 #define NGX_LOG_STDERR 0 |
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16 #define NGX_LOG_EMERG 1 |
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17 #define NGX_LOG_ALERT 2 |
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18 #define NGX_LOG_CRIT 3 |
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19 #define NGX_LOG_ERR 4 |
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20 #define NGX_LOG_WARN 5 |
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21 #define NGX_LOG_NOTICE 6 |
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22 #define NGX_LOG_INFO 7 |
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23 #define NGX_LOG_DEBUG 8 |
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25 #define NGX_LOG_DEBUG_CORE 0x010 |
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26 #define NGX_LOG_DEBUG_ALLOC 0x020 |
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27 #define NGX_LOG_DEBUG_MUTEX 0x040 |
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28 #define NGX_LOG_DEBUG_EVENT 0x080 |
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29 #define NGX_LOG_DEBUG_HTTP 0x100 |
1136 | 30 #define NGX_LOG_DEBUG_MAIL 0x200 |
645 | 31 #define NGX_LOG_DEBUG_MYSQL 0x400 |
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33 /* |
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34 * do not forget to update debug_levels[] in src/core/ngx_log.c |
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35 * after the adding a new debug level |
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36 */ |
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38 #define NGX_LOG_DEBUG_FIRST NGX_LOG_DEBUG_CORE |
1136 | 39 #define NGX_LOG_DEBUG_LAST NGX_LOG_DEBUG_MYSQL |
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40 #define NGX_LOG_DEBUG_CONNECTION 0x80000000 |
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41 #define NGX_LOG_DEBUG_ALL 0x7ffffff0 |
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483 | 44 typedef u_char *(*ngx_log_handler_pt) (ngx_log_t *log, u_char *buf, size_t len); |
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47 struct ngx_log_s { |
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48 ngx_uint_t log_level; |
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49 ngx_open_file_t *file; |
483 | 50 |
495 | 51 ngx_atomic_uint_t connection; |
483 | 52 |
53 ngx_log_handler_pt handler; | |
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54 void *data; |
483 | 55 |
56 /* | |
57 * we declare "action" as "char *" because the actions are usually | |
58 * the static strings and in the "u_char *" case we have to override | |
59 * their types all the time | |
60 */ | |
61 | |
62 char *action; | |
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63 }; |
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461 | 65 |
66 #define NGX_MAX_ERROR_STR 2048 | |
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69 /*********************************/ |
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71 #if (NGX_HAVE_C99_VARIADIC_MACROS) |
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72 |
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73 #define NGX_HAVE_VARIADIC_MACROS 1 |
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74 |
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75 #define ngx_log_error(level, log, ...) \ |
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76 if ((log)->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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77 |
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78 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
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79 const char *fmt, ...); |
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80 |
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81 #define ngx_log_debug(level, log, ...) \ |
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82 if ((log)->log_level & level) \ |
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83 ngx_log_error_core(NGX_LOG_DEBUG, log, __VA_ARGS__) |
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84 |
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85 /*********************************/ |
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86 |
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87 #elif (NGX_HAVE_GCC_VARIADIC_MACROS) |
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455 | 89 #define NGX_HAVE_VARIADIC_MACROS 1 |
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483 | 91 #define ngx_log_error(level, log, args...) \ |
543 | 92 if ((log)->log_level >= level) ngx_log_error_core(level, log, args) |
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94 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 95 const char *fmt, ...); |
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483 | 97 #define ngx_log_debug(level, log, args...) \ |
543 | 98 if ((log)->log_level & level) \ |
483 | 99 ngx_log_error_core(NGX_LOG_DEBUG, log, args) |
100 | |
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101 /*********************************/ |
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103 #else /* NO VARIADIC MACROS */ |
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455 | 105 #define NGX_HAVE_VARIADIC_MACROS 0 |
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503 | 107 void ngx_cdecl ngx_log_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 108 const char *fmt, ...); |
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109 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 110 const char *fmt, va_list args); |
503 | 111 void ngx_cdecl ngx_log_debug_core(ngx_log_t *log, ngx_err_t err, |
112 const char *fmt, ...); | |
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114 |
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115 #endif /* VARIADIC MACROS */ |
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118 /*********************************/ |
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120 #if (NGX_DEBUG) |
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455 | 122 #if (NGX_HAVE_VARIADIC_MACROS) |
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123 |
483 | 124 #define ngx_log_debug0 ngx_log_debug |
125 #define ngx_log_debug1 ngx_log_debug | |
126 #define ngx_log_debug2 ngx_log_debug | |
127 #define ngx_log_debug3 ngx_log_debug | |
128 #define ngx_log_debug4 ngx_log_debug | |
129 #define ngx_log_debug5 ngx_log_debug | |
130 #define ngx_log_debug6 ngx_log_debug | |
131 #define ngx_log_debug7 ngx_log_debug | |
132 #define ngx_log_debug8 ngx_log_debug | |
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515 | 134 |
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135 #else /* NO VARIADIC MACROS */ |
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136 |
483 | 137 #define ngx_log_debug0(level, log, err, fmt) \ |
543 | 138 if ((log)->log_level & level) \ |
201
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nginx-0.0.1-2003-11-30-23:03:18 import
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139 ngx_log_debug_core(log, err, fmt) |
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nginx-0.0.1-2003-11-30-23:03:18 import
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191
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140 |
483 | 141 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
543 | 142 if ((log)->log_level & level) \ |
201
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nginx-0.0.1-2003-11-30-23:03:18 import
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143 ngx_log_debug_core(log, err, fmt, arg1) |
210
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nginx-0.0.1-2003-12-14-23:10:27 import
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144 |
483 | 145 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
543 | 146 if ((log)->log_level & level) \ |
210
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nginx-0.0.1-2003-12-14-23:10:27 import
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147 ngx_log_debug_core(log, err, fmt, arg1, arg2) |
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nginx-0.0.1-2003-12-14-23:10:27 import
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148 |
483 | 149 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
543 | 150 if ((log)->log_level & level) \ |
213
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nginx-0.0.1-2003-12-19-15:45:27 import
Igor Sysoev <igor@sysoev.ru>
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210
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151 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3) |
f536f91e8e99
nginx-0.0.1-2003-12-19-15:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
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152 |
483 | 153 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
543 | 154 if ((log)->log_level & level) \ |
214
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nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
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155 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4) |
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nginx-0.0.1-2003-12-22-12:40:48 import
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156 |
483 | 157 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
543 | 158 if ((log)->log_level & level) \ |
214
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nginx-0.0.1-2003-12-22-12:40:48 import
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159 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
e0c502f15852
nginx-0.0.1-2003-12-22-12:40:48 import
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160 |
483 | 161 #define ngx_log_debug6(level, log, err, fmt, \ |
162 arg1, arg2, arg3, arg4, arg5, arg6) \ | |
543 | 163 if ((log)->log_level & level) \ |
210
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nginx-0.0.1-2003-12-14-23:10:27 import
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164 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
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165 |
483 | 166 #define ngx_log_debug7(level, log, err, fmt, \ |
167 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ | |
543 | 168 if ((log)->log_level & level) \ |
483 | 169 ngx_log_debug_core(log, err, fmt, \ |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
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379
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170 arg1, arg2, arg3, arg4, arg5, arg6, arg7) |
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nginx-0.0.7-2004-07-13-21:59:12 import
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171 |
483 | 172 #define ngx_log_debug8(level, log, err, fmt, \ |
173 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \ | |
543 | 174 if ((log)->log_level & level) \ |
483 | 175 ngx_log_debug_core(log, err, fmt, \ |
176 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) | |
177 | |
201
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nginx-0.0.1-2003-11-30-23:03:18 import
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178 #endif |
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179 |
277
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nginx-0.0.2-2004-03-03-19:14:15 import
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180 #else /* NO NGX_DEBUG */ |
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nginx-0.0.2-2004-03-03-19:14:15 import
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181 |
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nginx-0.0.2-2004-03-03-19:14:15 import
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182 #define ngx_log_debug0(level, log, err, fmt) |
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nginx-0.0.2-2004-03-03-19:14:15 import
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183 #define ngx_log_debug1(level, log, err, fmt, arg1) |
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nginx-0.0.2-2004-03-03-19:14:15 import
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184 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) |
e91499541410
nginx-0.0.2-2004-03-03-19:14:15 import
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185 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) |
e91499541410
nginx-0.0.2-2004-03-03-19:14:15 import
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186 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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nginx-0.0.2-2004-03-03-19:14:15 import
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187 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
e91499541410
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188 #define ngx_log_debug6(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
426
3f88935a02e8
nginx-0.0.10-2004-09-14-23:39:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
417
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189 #define ngx_log_debug7(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
3f88935a02e8
nginx-0.0.10-2004-09-14-23:39:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
417
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190 arg6, arg7) |
483 | 191 #define ngx_log_debug8(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
192 arg6, arg7, arg8) | |
277
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193 |
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194 #endif |
201
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nginx-0.0.1-2003-11-30-23:03:18 import
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195 |
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196 /*********************************/ |
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nginx-0.0.1-2003-11-30-23:03:18 import
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197 |
2758 | 198 ngx_log_t *ngx_log_init(u_char *prefix); |
2785
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*) refactor error_log processing: listen socket log might inherit built-in
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199 ngx_log_t *ngx_log_create(ngx_cycle_t *cycle, ngx_str_t *name); |
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200 char *ngx_log_set_levels(ngx_conf_t *cf, ngx_log_t *log); |
2752
2d82d3cfbfa0
change ngx_log_abort() interface
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201 void ngx_cdecl ngx_log_abort(ngx_err_t err, const char *fmt, ...); |
2743
d8316f307b6a
issue start up errors and warning on both stderr and error_log
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202 void ngx_cdecl ngx_log_stderr(ngx_err_t err, const char *fmt, ...); |
2765 | 203 u_char *ngx_log_errno(u_char *buf, u_char *last, ngx_err_t err); |
234
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nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
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218
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204 |
109
a9bc21d63fe4
nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
106
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205 |
100
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
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92
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206 extern ngx_module_t ngx_errlog_module; |
2743
d8316f307b6a
issue start up errors and warning on both stderr and error_log
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2722
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207 extern ngx_uint_t ngx_use_stderr; |
100
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
92
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208 |
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
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209 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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210 #endif /* _NGX_LOG_H_INCLUDED_ */ |