Mercurial > hg > nginx-quic
annotate src/core/ngx_times.c @ 557:ecd9c160f25b release-0.3.0
nginx-0.3.0-RELEASE import
*) Change: the 10-days live time limit of worker process was
eliminated. The limit was introduced because of millisecond timers
overflow.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 07 Oct 2005 13:30:52 +0000 |
parents | 09b42134ac0c |
children | 9c2f3ed7a247 |
rev | line source |
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 |
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10 |
557 | 11 ngx_msec_t ngx_current_time; |
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12 |
557 | 13 ngx_int_t ngx_gmtoff; |
509 | 14 |
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15 static ngx_tm_t ngx_cached_gmtime; |
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16 |
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17 |
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18 /* |
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19 * In the threaded mode only one thread updates the cached time and strings |
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20 * and these operations are protected by the mutex. The reading of the cached |
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21 * time and strings is not protected by the mutex. To avoid the race |
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22 * conditions for non-atomic values we use the NGX_TIME_SLOTS slots to store |
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23 * time value and strings. Thus thread may get the corrupted values only |
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24 * if it is preempted while copying and then it is not scheduled to run |
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25 * more than NGX_TIME_SLOTS seconds. |
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26 */ |
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27 |
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28 #if (NGX_THREADS) |
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29 |
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30 #define NGX_TIME_SLOTS 60 |
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31 static ngx_uint_t slot = NGX_TIME_SLOTS; |
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32 |
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33 static ngx_mutex_t *ngx_time_mutex; |
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34 |
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35 #else |
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36 |
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37 #define NGX_TIME_SLOTS 1 |
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38 #define slot 0 |
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39 |
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40 #endif |
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41 |
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42 |
477 | 43 #if (NGX_THREADS && (NGX_TIME_T_SIZE > NGX_SIG_ATOMIC_T_SIZE)) |
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44 |
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45 volatile time_t *ngx_cached_time; |
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46 static time_t cached_time[NGX_TIME_SLOTS]; |
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47 |
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48 #else |
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49 |
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50 volatile time_t ngx_cached_time; |
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51 |
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52 #endif |
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53 |
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54 |
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55 ngx_thread_volatile ngx_str_t ngx_cached_err_log_time; |
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56 ngx_thread_volatile ngx_str_t ngx_cached_http_time; |
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57 ngx_thread_volatile ngx_str_t ngx_cached_http_log_time; |
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58 |
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59 |
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60 static u_char cached_err_log_time[NGX_TIME_SLOTS] |
525 | 61 [sizeof("1970/09/28 12:00:00")]; |
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62 static u_char cached_http_time[NGX_TIME_SLOTS] |
525 | 63 [sizeof("Mon, 28 Sep 1970 06:00:00 GMT")]; |
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64 static u_char cached_http_log_time[NGX_TIME_SLOTS] |
525 | 65 [sizeof("28/Sep/1970:12:00:00 +0600")]; |
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66 |
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67 |
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68 static char *week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; |
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69 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
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70 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; |
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71 |
501 | 72 void |
73 ngx_time_init(void) | |
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74 { |
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75 struct timeval tv; |
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76 |
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77 ngx_memzero(&ngx_cached_gmtime, sizeof(ngx_tm_t)); |
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78 #ifdef ngx_tm_zone |
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79 ngx_cached_gmtime.ngx_tm_zone = "GMT"; |
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80 #endif |
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81 |
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82 ngx_cached_err_log_time.len = sizeof("1970/09/28 12:00:00") - 1; |
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83 ngx_cached_http_time.len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1; |
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84 ngx_cached_http_log_time.len = sizeof("28/Sep/1970:12:00:00 +0600") - 1; |
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85 |
477 | 86 #if (NGX_THREADS && (NGX_TIME_T_SIZE > NGX_SIG_ATOMIC_T_SIZE)) |
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87 ngx_cached_time = &cached_time[0]; |
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88 #endif |
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89 |
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90 ngx_gettimeofday(&tv); |
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91 |
557 | 92 ngx_current_time = (ngx_msec_t) tv.tv_sec * 1000 + tv.tv_usec / 1000; |
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93 |
461 | 94 #if !(NGX_WIN32) |
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95 tzset(); |
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96 #endif |
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97 |
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98 ngx_time_update(tv.tv_sec); |
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99 } |
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100 |
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101 |
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102 #if (NGX_THREADS) |
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103 |
501 | 104 ngx_int_t |
105 ngx_time_mutex_init(ngx_log_t *log) | |
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106 { |
501 | 107 ngx_time_mutex = ngx_mutex_init(log, NGX_MUTEX_LIGHT); |
108 | |
109 if (ngx_time_mutex == NULL) { | |
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110 return NGX_ERROR; |
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111 } |
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112 |
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113 return NGX_OK; |
182
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parents:
181
diff
changeset
|
114 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
115 |
270
7bb9562216ce
nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
116 #endif |
7bb9562216ce
nginx-0.0.2-2004-02-25-23:16:15 import
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parents:
266
diff
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|
117 |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
181
diff
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|
118 |
501 | 119 void |
120 ngx_time_update(time_t s) | |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
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parents:
diff
changeset
|
121 { |
324
0ab66f4b6c4d
nginx-0.0.3-2004-04-22-00:13:48 import
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parents:
323
diff
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|
122 u_char *p; |
0ab66f4b6c4d
nginx-0.0.3-2004-04-22-00:13:48 import
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parents:
323
diff
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|
123 ngx_tm_t tm; |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
124 |
370
54f76b0b8dca
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parents:
358
diff
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|
125 if (ngx_time() == s) { |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
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parents:
208
diff
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|
126 return; |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
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parents:
208
diff
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|
127 } |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
208
diff
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|
128 |
270
7bb9562216ce
nginx-0.0.2-2004-02-25-23:16:15 import
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parents:
266
diff
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|
129 #if (NGX_THREADS) |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
130 |
271
e16dfb9b9afa
nginx-0.0.2-2004-02-26-20:10:01 import
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parents:
270
diff
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|
131 if (ngx_mutex_trylock(ngx_time_mutex) != NGX_OK) { |
e16dfb9b9afa
nginx-0.0.2-2004-02-26-20:10:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
270
diff
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|
132 return; |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
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|
133 } |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
134 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
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parents:
358
diff
changeset
|
135 if (slot == NGX_TIME_SLOTS) { |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
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|
136 slot = 0; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
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|
137 } else { |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
138 slot++; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
139 } |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
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|
140 |
477 | 141 #if (NGX_THREADS && (NGX_TIME_T_SIZE > NGX_SIG_ATOMIC_T_SIZE)) |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
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parents:
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diff
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|
142 ngx_cached_time = &cached_time[slot]; |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
143 #endif |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
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|
144 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
145 #endif |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
208
diff
changeset
|
146 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
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|
147 ngx_time() = s; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
148 |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
149 ngx_gmtime(s, &ngx_cached_gmtime); |
181
811bdd2af794
nginx-0.0.1-2003-11-12-20:25:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
180
diff
changeset
|
150 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
151 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
152 p = cached_http_time[slot]; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
153 |
517 | 154 (void) ngx_sprintf(p, "%s, %02d %s %4d %02d:%02d:%02d GMT", |
155 week[ngx_cached_gmtime.ngx_tm_wday], | |
156 ngx_cached_gmtime.ngx_tm_mday, | |
157 months[ngx_cached_gmtime.ngx_tm_mon - 1], | |
158 ngx_cached_gmtime.ngx_tm_year, | |
159 ngx_cached_gmtime.ngx_tm_hour, | |
160 ngx_cached_gmtime.ngx_tm_min, | |
161 ngx_cached_gmtime.ngx_tm_sec); | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
162 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
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|
163 ngx_cached_http_time.data = p; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
164 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
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|
165 |
469 | 166 #if (NGX_HAVE_GETTIMEZONE) |
358
0a03c921c81d
nginx-0.0.7-2004-06-17-21:18:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
167 |
0a03c921c81d
nginx-0.0.7-2004-06-17-21:18:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
168 ngx_gmtoff = ngx_gettimezone(); |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
169 ngx_gmtime(s + ngx_gmtoff * 60, &tm); |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
170 |
469 | 171 #elif (NGX_HAVE_GMTOFF) |
358
0a03c921c81d
nginx-0.0.7-2004-06-17-21:18:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
172 |
0a03c921c81d
nginx-0.0.7-2004-06-17-21:18:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
173 ngx_localtime(&tm); |
517 | 174 ngx_gmtoff = (ngx_int_t) (tm.ngx_tm_gmtoff / 60); |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
175 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
176 #else |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 |
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 ngx_localtime(&tm); |
358
0a03c921c81d
nginx-0.0.7-2004-06-17-21:18:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
179 ngx_gmtoff = ngx_timezone(tm.ngx_tm_isdst); |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
181 #endif |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
182 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
183 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
184 p = cached_err_log_time[slot]; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
185 |
517 | 186 (void) ngx_sprintf(p, "%4d/%02d/%02d %02d:%02d:%02d", |
187 tm.ngx_tm_year, tm.ngx_tm_mon, | |
188 tm.ngx_tm_mday, tm.ngx_tm_hour, | |
189 tm.ngx_tm_min, tm.ngx_tm_sec); | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
190 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
191 ngx_cached_err_log_time.data = p; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
192 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
193 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
194 p = cached_http_log_time[slot]; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
195 |
517 | 196 (void) ngx_sprintf(p, "%02d/%s/%d:%02d:%02d:%02d %c%02d%02d", |
197 tm.ngx_tm_mday, months[tm.ngx_tm_mon - 1], | |
198 tm.ngx_tm_year, tm.ngx_tm_hour, | |
199 tm.ngx_tm_min, tm.ngx_tm_sec, | |
200 ngx_gmtoff < 0 ? '-' : '+', | |
201 abs(ngx_gmtoff / 60), abs(ngx_gmtoff % 60)); | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
202 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
203 ngx_cached_http_log_time.data = p; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
204 |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
205 |
270
7bb9562216ce
nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
206 #if (NGX_THREADS) |
271
e16dfb9b9afa
nginx-0.0.2-2004-02-26-20:10:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
270
diff
changeset
|
207 ngx_mutex_unlock(ngx_time_mutex); |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
208 #endif |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
209 |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 } |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
211 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
212 |
501 | 213 u_char * |
214 ngx_http_time(u_char *buf, time_t t) | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
215 { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
216 ngx_tm_t tm; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
217 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
218 ngx_gmtime(t, &tm); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
219 |
455 | 220 return ngx_sprintf(buf, "%s, %02d %s %4d %02d:%02d:%02d GMT", |
221 week[tm.ngx_tm_wday], | |
222 tm.ngx_tm_mday, | |
223 months[tm.ngx_tm_mon - 1], | |
224 tm.ngx_tm_year, | |
225 tm.ngx_tm_hour, | |
226 tm.ngx_tm_min, | |
227 tm.ngx_tm_sec); | |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
228 } |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
229 |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
230 |
501 | 231 u_char * |
232 ngx_http_cookie_time(u_char *buf, time_t t) | |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
233 { |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
234 ngx_tm_t tm; |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
235 |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
236 ngx_gmtime(t, &tm); |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
237 |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
238 /* |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
239 * Netscape 3.x does not understand 4-digit years at all and |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
240 * 2-digit years more than "37" |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
241 */ |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
242 |
455 | 243 return ngx_sprintf(buf, |
244 (tm.ngx_tm_year > 2037) ? | |
245 "%s, %02d-%s-%d %02d:%02d:%02d GMT": | |
246 "%s, %02d-%s-%02d %02d:%02d:%02d GMT", | |
247 week[tm.ngx_tm_wday], | |
248 tm.ngx_tm_mday, | |
249 months[tm.ngx_tm_mon - 1], | |
250 (tm.ngx_tm_year > 2037) ? tm.ngx_tm_year: | |
251 tm.ngx_tm_year % 100, | |
252 tm.ngx_tm_hour, | |
253 tm.ngx_tm_min, | |
254 tm.ngx_tm_sec); | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
255 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
256 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
257 |
501 | 258 void |
259 ngx_gmtime(time_t t, ngx_tm_t *tp) | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
260 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
261 ngx_int_t sec, min, hour, mday, mon, year, wday, yday, days; |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
262 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
263 days = t / 86400; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
264 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
265 /* Jaunary 1, 1970 was Thursday */ |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
266 wday = (4 + days) % 7; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
267 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
268 t %= 86400; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
269 hour = t / 3600; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
270 t %= 3600; |
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
207
diff
changeset
|
271 min = t / 60; |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
272 sec = t % 60; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
273 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
274 /* the algorithm based on Gauss's formula */ |
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
207
diff
changeset
|
275 |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
276 days = days - (31 + 28) + 719527; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
277 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
278 year = days * 400 / (365 * 400 + 100 - 4 + 1); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
279 yday = days - (365 * year + year / 4 - year / 100 + year / 400); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
280 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
281 mon = (yday + 31) * 12 / 367; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
282 mday = yday - (mon * 367 / 12 - 31); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
283 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
284 mon += 2; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
285 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
286 if (yday >= 306) { |
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
287 |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
288 /* |
324
0ab66f4b6c4d
nginx-0.0.3-2004-04-22-00:13:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
289 * there is no "yday" in Win32 SYSTEMTIME |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
290 * |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
291 * yday -= 306; |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
292 */ |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
293 |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
294 year++; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
295 mon -= 12; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
296 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
297 if (mday == 0) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
298 /* Jaunary 31 */ |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
299 mon = 1; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
300 mday = 31; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
301 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
302 } else if (mon == 2) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
303 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
304 if ((year % 4 == 0) && (year % 100 || (year % 400 == 0))) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
305 if (mday > 29) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
306 mon = 3; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
307 mday -= 29; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
308 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
309 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
310 } else if (mday > 28) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
311 mon = 3; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
312 mday -= 28; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
313 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
314 } |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
315 /* |
324
0ab66f4b6c4d
nginx-0.0.3-2004-04-22-00:13:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
316 * there is no "yday" in Win32 SYSTEMTIME |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
317 * |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
318 * } else { |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
319 * yday += 31 + 28; |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
320 * |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
321 * if ((year % 4 == 0) && (year % 100 || (year % 400 == 0))) { |
489 | 322 * yday++; |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
323 * } |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
324 */ |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
325 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
326 |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
327 tp->ngx_tm_sec = (ngx_tm_sec_t) sec; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
328 tp->ngx_tm_min = (ngx_tm_min_t) min; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
329 tp->ngx_tm_hour = (ngx_tm_hour_t) hour; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
330 tp->ngx_tm_mday = (ngx_tm_mday_t) mday; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
331 tp->ngx_tm_mon = (ngx_tm_mon_t) mon; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
332 tp->ngx_tm_year = (ngx_tm_year_t) year; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
333 tp->ngx_tm_wday = (ngx_tm_wday_t) wday; |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
334 } |