Mercurial > hg > nginx-quic
annotate src/core/ngx_times.c @ 208:0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 08 Dec 2003 20:48:12 +0000 |
parents | 6e0fef527732 |
children | 05592fd7a436 |
rev | line source |
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178
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nginx-0.0.1-2003-11-11-00:09:22 import
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 |
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6 time_t ngx_cached_time; |
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7 ngx_epoch_msec_t ngx_elapsed_msec; |
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8 ngx_epoch_msec_t ngx_old_elapsed_msec; |
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9 ngx_epoch_msec_t ngx_start_msec; |
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11 ngx_tm_t ngx_cached_gmtime; |
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13 static char cached_err_log_time[] = "1970/09/28 12:00:00"; |
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14 ngx_str_t ngx_cached_err_log_time; |
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16 static char cached_http_time[] = "Mon, 28 Sep 1970 06:00:00 GMT"; |
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17 ngx_str_t ngx_cached_http_time; |
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18 |
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19 static char cached_http_log_time[] = "28/Sep/1970:12:00:00"; |
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20 ngx_str_t ngx_cached_http_log_time; |
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21 |
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23 static char *week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fir", "Sat" }; |
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24 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
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25 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; |
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26 |
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27 |
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28 void ngx_time_init() |
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29 { |
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30 struct timeval tv; |
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31 |
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32 ngx_memzero(&ngx_cached_gmtime, sizeof(ngx_tm_t)); |
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33 #ifdef ngx_tm_zone |
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34 ngx_cached_gmtime.ngx_tm_zone = "GMT"; |
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35 #endif |
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36 |
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37 ngx_cached_err_log_time.data = cached_err_log_time; |
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38 ngx_cached_http_time.data = cached_http_time; |
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39 ngx_cached_http_log_time.data = cached_http_log_time; |
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40 |
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41 ngx_gettimeofday(&tv); |
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42 ngx_cached_time = tv.tv_sec; |
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43 ngx_start_msec = tv.tv_sec * 1000 + tv.tv_usec / 1000; |
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44 ngx_old_elapsed_msec = 0; |
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45 ngx_elapsed_msec = 0; |
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46 |
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47 ngx_time_update(); |
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48 } |
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49 |
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50 |
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51 void ngx_time_update() |
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52 { |
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53 ngx_tm_t tm; |
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54 |
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55 ngx_gmtime(ngx_cached_time, &ngx_cached_gmtime); |
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56 |
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57 ngx_cached_http_time.len = ngx_snprintf(ngx_cached_http_time.data, |
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58 sizeof("Mon, 28 Sep 1970 06:00:00 GMT"), |
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59 "%s, %02d %s %4d %02d:%02d:%02d GMT", |
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60 week[ngx_cached_gmtime.ngx_tm_wday], |
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61 ngx_cached_gmtime.ngx_tm_mday, |
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62 months[ngx_cached_gmtime.ngx_tm_mon - 1], |
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63 ngx_cached_gmtime.ngx_tm_year, |
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64 ngx_cached_gmtime.ngx_tm_hour, |
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65 ngx_cached_gmtime.ngx_tm_min, |
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66 ngx_cached_gmtime.ngx_tm_sec); |
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67 |
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68 ngx_localtime(&tm); |
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69 |
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70 ngx_cached_err_log_time.len = ngx_snprintf(ngx_cached_err_log_time.data, |
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71 sizeof("1970/09/28 12:00:00"), |
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72 "%4d/%02d/%02d %02d:%02d:%02d", |
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73 tm.ngx_tm_year, tm.ngx_tm_mon, |
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74 tm.ngx_tm_mday, tm.ngx_tm_hour, |
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75 tm.ngx_tm_min, tm.ngx_tm_sec); |
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76 |
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77 ngx_cached_http_log_time.len = ngx_snprintf(ngx_cached_http_log_time.data, |
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78 sizeof("28/Sep/1970:12:00:00"), |
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79 "%02d/%s/%d:%02d:%02d:%02d", |
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80 tm.ngx_tm_mday, |
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81 months[tm.ngx_tm_mon - 1], |
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82 tm.ngx_tm_year, |
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83 tm.ngx_tm_hour, |
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84 tm.ngx_tm_min, |
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85 tm.ngx_tm_sec); |
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86 } |
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87 |
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88 |
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89 size_t ngx_http_time(char *buf, time_t t) |
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90 { |
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91 ngx_tm_t tm; |
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92 |
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93 ngx_gmtime(t, &tm); |
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94 |
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95 return ngx_snprintf(buf, sizeof("Mon, 28 Sep 1970 06:00:00 GMT"), |
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96 "%s, %02d %s %4d %02d:%02d:%02d GMT", |
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97 week[tm.ngx_tm_wday], |
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98 tm.ngx_tm_mday, |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
99 months[tm.ngx_tm_mon - 1], |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
100 tm.ngx_tm_year, |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
101 tm.ngx_tm_hour, |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
102 tm.ngx_tm_min, |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
103 tm.ngx_tm_sec); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
104 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
105 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
106 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
107 void ngx_gmtime(time_t t, ngx_tm_t *tp) |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
108 { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
109 int sec, min, hour, mday, mon, year, wday, yday, days; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
110 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
111 days = t / 86400; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
112 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
113 /* 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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|
114 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
|
115 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
116 t %= 86400; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
117 hour = t / 3600; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
118 t %= 3600; |
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
207
diff
changeset
|
119 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
|
120 sec = t % 60; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
121 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
122 /* 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
|
123 |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
124 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
|
125 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
126 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
|
127 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
|
128 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
129 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
|
130 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
|
131 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
132 mon += 2; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
133 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
134 if (yday >= 306) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
135 yday -= 306; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
136 year++; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
137 mon -= 12; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
138 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
139 if (mday == 0) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
140 /* Jaunary 31 */ |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
141 mon = 1; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
142 mday = 31; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
143 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
144 } 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
|
145 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
146 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
|
147 if (mday > 29) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
148 mon = 3; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
149 mday -= 29; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
150 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
151 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
152 } 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
|
153 mon = 3; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
154 mday -= 28; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
155 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
156 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
157 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
158 } else { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
159 yday += 31 + 28; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
160 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
161 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
|
162 yday++; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
163 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
164 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
165 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
166 tp->ngx_tm_sec = sec; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
167 tp->ngx_tm_min = min; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
168 tp->ngx_tm_hour = hour; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
169 tp->ngx_tm_mday = mday; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
170 tp->ngx_tm_mon = mon; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
171 tp->ngx_tm_year = year; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
172 tp->ngx_tm_wday = wday; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
173 } |