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annotate src/core/ngx_times.c @ 190:02a715e85df1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-11-19-00:34:08 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 18 Nov 2003 21:34:08 +0000
parents 3c49eaf3f522
children 8dee38ea9117
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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1
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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2 #include <ngx_config.h>
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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3 #include <ngx_core.h>
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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4
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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5
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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6 time_t ngx_cached_time;
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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7
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8 ngx_tm_t ngx_cached_gmtime;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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9
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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10 static char cached_err_log_time[] = "1970/09/28 12:00:00";
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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11 ngx_str_t ngx_cached_err_log_time;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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12
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a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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13 static char cached_http_time[] = "Mon, 28 Sep 1970 06:00:00 GMT";
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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14 ngx_str_t ngx_cached_http_time;
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
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16 static char cached_http_log_time[] = "28/Sep/1970:12:00:00";
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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17 ngx_str_t ngx_cached_http_log_time;
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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19
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3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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20 static char *week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fir", "Sat" };
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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21 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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22 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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23
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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24
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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25 void ngx_init_time()
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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26 {
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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27 struct timeval tv;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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28
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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29 ngx_memzero(&ngx_cached_gmtime, sizeof(ngx_tm_t));
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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30 #ifdef ngx_tm_zone
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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31 ngx_cached_gmtime.ngx_tm_zone = "GMT";
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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32 #endif
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33
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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34 ngx_cached_err_log_time.data = cached_err_log_time;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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35 ngx_cached_http_time.data = cached_http_time;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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36 ngx_cached_http_log_time.data = cached_http_log_time;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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37
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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38 ngx_gettimeofday(&tv);
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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39 ngx_cached_time = tv.tv_sec;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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40 ngx_time_update();
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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41 }
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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42
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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43
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a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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44 void ngx_time_update()
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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45 {
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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46 ngx_tm_t tm;
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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47
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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48 ngx_gmtime(ngx_cached_time, &ngx_cached_gmtime);
181
811bdd2af794 nginx-0.0.1-2003-11-12-20:25:12 import
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49
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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50 ngx_cached_http_time.len = ngx_snprintf(ngx_cached_http_time.data,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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51 sizeof("Mon, 28 Sep 1970 06:00:00 GMT"),
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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52 "%s, %02d %s %4d %02d:%02d:%02d GMT",
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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53 week[ngx_cached_gmtime.ngx_tm_wday],
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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54 ngx_cached_gmtime.ngx_tm_mday,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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55 months[ngx_cached_gmtime.ngx_tm_mon - 1],
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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56 ngx_cached_gmtime.ngx_tm_year,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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57 ngx_cached_gmtime.ngx_tm_hour,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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58 ngx_cached_gmtime.ngx_tm_min,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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59 ngx_cached_gmtime.ngx_tm_sec);
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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60
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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61 ngx_localtime(&tm);
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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62
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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63 ngx_cached_err_log_time.len = ngx_snprintf(ngx_cached_err_log_time.data,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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64 sizeof("1970/09/28 12:00:00"),
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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65 "%4d/%02d/%02d %02d:%02d:%02d",
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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66 tm.ngx_tm_year, tm.ngx_tm_mon,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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67 tm.ngx_tm_mday, tm.ngx_tm_hour,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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68 tm.ngx_tm_min, tm.ngx_tm_sec);
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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69
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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70 ngx_cached_http_log_time.len = ngx_snprintf(ngx_cached_http_log_time.data,
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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71 sizeof("28/Sep/1970:12:00:00"),
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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72 "%02d/%s/%d:%02d:%02d:%02d",
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
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73 tm.ngx_tm_mday,
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
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74 months[tm.ngx_tm_mon - 1],
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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75 tm.ngx_tm_year,
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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76 tm.ngx_tm_hour,
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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77 tm.ngx_tm_min,
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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78 tm.ngx_tm_sec);
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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79 }
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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80
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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81
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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82 size_t ngx_http_time(char *buf, time_t t)
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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83 {
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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84 ngx_tm_t tm;
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85
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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86 ngx_gmtime(t, &tm);
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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87
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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88 return ngx_snprintf(buf, sizeof("Mon, 28 Sep 1970 06:00:00 GMT"),
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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89 "%s, %02d %s %4d %02d:%02d:%02d GMT",
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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90 week[tm.ngx_tm_wday],
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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91 tm.ngx_tm_mday,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
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92 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
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93 tm.ngx_tm_year,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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parents: 181
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94 tm.ngx_tm_hour,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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parents: 181
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95 tm.ngx_tm_min,
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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parents: 181
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96 tm.ngx_tm_sec);
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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97 }
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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98
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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99
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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100 void ngx_gmtime(time_t t, ngx_tm_t *tp)
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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101 {
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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102 int sec, min, hour, mday, mon, year, wday, yday, days;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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103
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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104 days = t / 86400;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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105
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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106 /* Jaunary 1, 1970 was Thursday */
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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107 wday = (4 + days) % 7;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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108
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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109 t %= 86400;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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110 hour = t / 3600;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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diff changeset
111 t %= 3600;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
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112 min = t / 60;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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parents: 181
diff changeset
113 sec = t % 60;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
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 /* the algorithm based on Gauss's formula */
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
116
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
117 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
118
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
119 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
120 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
121
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
122 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
123 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
124
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
125 mon += 2;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
126
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
127 if (yday >= 306) {
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
128 yday -= 306;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
129 year++;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
130 mon -= 12;
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 if (mday == 0) {
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
133 /* Jaunary 31 */
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
134 mon = 1;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
135 mday = 31;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
136
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
137 } 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
138
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
139 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
140 if (mday > 29) {
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
141 mon = 3;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
142 mday -= 29;
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
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
145 } 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
146 mon = 3;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
147 mday -= 28;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
148 }
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
149 }
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 } else {
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
152 yday += 31 + 28;
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
153
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
154 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
155 yday++;
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
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
159 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
160 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
161 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
162 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
163 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
164 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
165 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
166 }