Mercurial > hg > nginx
annotate src/core/ngx_times.c @ 205:4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 04 Dec 2003 14:53:00 +0000 |
parents | 8dee38ea9117 |
children | 6e0fef527732 |
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_start_msec; |
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10 ngx_tm_t ngx_cached_gmtime; |
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11 |
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12 static char cached_err_log_time[] = "1970/09/28 12:00:00"; |
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13 ngx_str_t ngx_cached_err_log_time; |
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14 |
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15 static char cached_http_time[] = "Mon, 28 Sep 1970 06:00:00 GMT"; |
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16 ngx_str_t ngx_cached_http_time; |
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17 |
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18 static char cached_http_log_time[] = "28/Sep/1970:12:00:00"; |
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19 ngx_str_t ngx_cached_http_log_time; |
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20 |
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22 static char *week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fir", "Sat" }; |
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23 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
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24 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; |
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25 |
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27 void ngx_time_init() |
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28 { |
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29 struct timeval tv; |
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30 |
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31 ngx_memzero(&ngx_cached_gmtime, sizeof(ngx_tm_t)); |
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32 #ifdef ngx_tm_zone |
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33 ngx_cached_gmtime.ngx_tm_zone = "GMT"; |
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34 #endif |
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35 |
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36 ngx_cached_err_log_time.data = cached_err_log_time; |
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37 ngx_cached_http_time.data = cached_http_time; |
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38 ngx_cached_http_log_time.data = cached_http_log_time; |
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39 |
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40 ngx_gettimeofday(&tv); |
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41 ngx_cached_time = tv.tv_sec; |
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42 ngx_start_msec = tv.tv_sec * 1000 + tv.tv_usec / 1000; |
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43 ngx_elapsed_msec = 0; |
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44 |
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45 ngx_time_update(); |
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46 } |
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47 |
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48 |
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49 void ngx_time_update() |
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50 { |
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51 ngx_tm_t tm; |
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52 |
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53 ngx_gmtime(ngx_cached_time, &ngx_cached_gmtime); |
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54 |
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55 ngx_cached_http_time.len = ngx_snprintf(ngx_cached_http_time.data, |
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56 sizeof("Mon, 28 Sep 1970 06:00:00 GMT"), |
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57 "%s, %02d %s %4d %02d:%02d:%02d GMT", |
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58 week[ngx_cached_gmtime.ngx_tm_wday], |
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59 ngx_cached_gmtime.ngx_tm_mday, |
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60 months[ngx_cached_gmtime.ngx_tm_mon - 1], |
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61 ngx_cached_gmtime.ngx_tm_year, |
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62 ngx_cached_gmtime.ngx_tm_hour, |
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63 ngx_cached_gmtime.ngx_tm_min, |
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64 ngx_cached_gmtime.ngx_tm_sec); |
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65 |
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66 ngx_localtime(&tm); |
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67 |
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68 ngx_cached_err_log_time.len = ngx_snprintf(ngx_cached_err_log_time.data, |
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69 sizeof("1970/09/28 12:00:00"), |
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70 "%4d/%02d/%02d %02d:%02d:%02d", |
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71 tm.ngx_tm_year, tm.ngx_tm_mon, |
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72 tm.ngx_tm_mday, tm.ngx_tm_hour, |
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73 tm.ngx_tm_min, tm.ngx_tm_sec); |
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74 |
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75 ngx_cached_http_log_time.len = ngx_snprintf(ngx_cached_http_log_time.data, |
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76 sizeof("28/Sep/1970:12:00:00"), |
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77 "%02d/%s/%d:%02d:%02d:%02d", |
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78 tm.ngx_tm_mday, |
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79 months[tm.ngx_tm_mon - 1], |
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80 tm.ngx_tm_year, |
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81 tm.ngx_tm_hour, |
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82 tm.ngx_tm_min, |
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83 tm.ngx_tm_sec); |
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84 } |
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85 |
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86 |
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87 size_t ngx_http_time(char *buf, time_t t) |
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88 { |
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89 ngx_tm_t tm; |
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90 |
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91 ngx_gmtime(t, &tm); |
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92 |
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93 return ngx_snprintf(buf, sizeof("Mon, 28 Sep 1970 06:00:00 GMT"), |
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94 "%s, %02d %s %4d %02d:%02d:%02d GMT", |
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95 week[tm.ngx_tm_wday], |
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96 tm.ngx_tm_mday, |
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97 months[tm.ngx_tm_mon - 1], |
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98 tm.ngx_tm_year, |
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99 tm.ngx_tm_hour, |
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100 tm.ngx_tm_min, |
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101 tm.ngx_tm_sec); |
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102 } |
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103 |
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104 |
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105 void ngx_gmtime(time_t t, ngx_tm_t *tp) |
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106 { |
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107 int sec, min, hour, mday, mon, year, wday, yday, days; |
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108 |
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109 days = t / 86400; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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110 |
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111 /* Jaunary 1, 1970 was Thursday */ |
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nginx-0.0.1-2003-11-13-09:14:05 import
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112 wday = (4 + days) % 7; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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113 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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114 t %= 86400; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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115 hour = t / 3600; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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116 t %= 3600; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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117 min = t / 60; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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118 sec = t % 60; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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119 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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120 /* the algorithm based on Gauss's formula */ |
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121 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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122 days = days - (31 + 28) + 719527; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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123 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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124 year = days * 400 / (365 * 400 + 100 - 4 + 1); |
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nginx-0.0.1-2003-11-13-09:14:05 import
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125 yday = days - (365 * year + year / 4 - year / 100 + year / 400); |
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nginx-0.0.1-2003-11-13-09:14:05 import
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126 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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127 mon = (yday + 31) * 12 / 367; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
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128 mday = yday - (mon * 367 / 12 - 31); |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
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129 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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130 mon += 2; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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131 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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132 if (yday >= 306) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
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133 yday -= 306; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
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134 year++; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
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135 mon -= 12; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
136 |
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nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
137 if (mday == 0) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
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138 /* Jaunary 31 */ |
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nginx-0.0.1-2003-11-13-09:14:05 import
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139 mon = 1; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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140 mday = 31; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
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diff
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|
141 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
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142 } else if (mon == 2) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
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|
143 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
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144 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
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|
145 if (mday > 29) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
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146 mon = 3; |
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nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
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147 mday -= 29; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
148 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
149 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
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|
150 } else if (mday > 28) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
151 mon = 3; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
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|
152 mday -= 28; |
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nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
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|
153 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
154 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
155 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
156 } else { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
157 yday += 31 + 28; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
158 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
159 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
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|
160 yday++; |
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nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
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|
161 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
162 } |
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
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|
164 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
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|
165 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
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|
166 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
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|
167 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
|
168 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
|
169 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
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|
170 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
|
171 } |