Mercurial > hg > nginx
annotate src/core/ngx_times.c @ 195:8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 25 Nov 2003 20:44:56 +0000 |
parents | 02a715e85df1 |
children | 4a9a2b1dd6fa |
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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5 |
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6 time_t ngx_cached_time; |
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8 ngx_tm_t ngx_cached_gmtime; |
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9 |
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10 static char cached_err_log_time[] = "1970/09/28 12:00:00"; |
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11 ngx_str_t ngx_cached_err_log_time; |
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13 static char cached_http_time[] = "Mon, 28 Sep 1970 06:00:00 GMT"; |
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14 ngx_str_t ngx_cached_http_time; |
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15 |
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16 static char cached_http_log_time[] = "28/Sep/1970:12:00:00"; |
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17 ngx_str_t ngx_cached_http_log_time; |
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18 |
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20 static char *week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fir", "Sat" }; |
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21 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
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22 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; |
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23 |
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25 void ngx_time_init() |
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26 { |
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27 struct timeval tv; |
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28 |
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29 ngx_memzero(&ngx_cached_gmtime, sizeof(ngx_tm_t)); |
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30 #ifdef ngx_tm_zone |
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31 ngx_cached_gmtime.ngx_tm_zone = "GMT"; |
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32 #endif |
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33 |
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34 ngx_cached_err_log_time.data = cached_err_log_time; |
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35 ngx_cached_http_time.data = cached_http_time; |
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36 ngx_cached_http_log_time.data = cached_http_log_time; |
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37 |
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38 ngx_gettimeofday(&tv); |
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39 ngx_cached_time = tv.tv_sec; |
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40 ngx_time_update(); |
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41 } |
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42 |
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43 |
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44 void ngx_time_update() |
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45 { |
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46 ngx_tm_t tm; |
178
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47 |
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48 ngx_gmtime(ngx_cached_time, &ngx_cached_gmtime); |
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49 |
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50 ngx_cached_http_time.len = ngx_snprintf(ngx_cached_http_time.data, |
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51 sizeof("Mon, 28 Sep 1970 06:00:00 GMT"), |
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52 "%s, %02d %s %4d %02d:%02d:%02d GMT", |
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53 week[ngx_cached_gmtime.ngx_tm_wday], |
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54 ngx_cached_gmtime.ngx_tm_mday, |
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55 months[ngx_cached_gmtime.ngx_tm_mon - 1], |
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56 ngx_cached_gmtime.ngx_tm_year, |
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57 ngx_cached_gmtime.ngx_tm_hour, |
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58 ngx_cached_gmtime.ngx_tm_min, |
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59 ngx_cached_gmtime.ngx_tm_sec); |
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60 |
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61 ngx_localtime(&tm); |
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62 |
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63 ngx_cached_err_log_time.len = ngx_snprintf(ngx_cached_err_log_time.data, |
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64 sizeof("1970/09/28 12:00:00"), |
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65 "%4d/%02d/%02d %02d:%02d:%02d", |
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66 tm.ngx_tm_year, tm.ngx_tm_mon, |
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67 tm.ngx_tm_mday, tm.ngx_tm_hour, |
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68 tm.ngx_tm_min, tm.ngx_tm_sec); |
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69 |
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70 ngx_cached_http_log_time.len = ngx_snprintf(ngx_cached_http_log_time.data, |
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71 sizeof("28/Sep/1970:12:00:00"), |
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72 "%02d/%s/%d:%02d:%02d:%02d", |
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73 tm.ngx_tm_mday, |
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74 months[tm.ngx_tm_mon - 1], |
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75 tm.ngx_tm_year, |
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76 tm.ngx_tm_hour, |
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77 tm.ngx_tm_min, |
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78 tm.ngx_tm_sec); |
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79 } |
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80 |
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81 |
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82 size_t ngx_http_time(char *buf, time_t t) |
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83 { |
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84 ngx_tm_t tm; |
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85 |
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86 ngx_gmtime(t, &tm); |
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87 |
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88 return ngx_snprintf(buf, sizeof("Mon, 28 Sep 1970 06:00:00 GMT"), |
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89 "%s, %02d %s %4d %02d:%02d:%02d GMT", |
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90 week[tm.ngx_tm_wday], |
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91 tm.ngx_tm_mday, |
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92 months[tm.ngx_tm_mon - 1], |
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93 tm.ngx_tm_year, |
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94 tm.ngx_tm_hour, |
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95 tm.ngx_tm_min, |
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96 tm.ngx_tm_sec); |
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97 } |
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98 |
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99 |
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100 void ngx_gmtime(time_t t, ngx_tm_t *tp) |
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101 { |
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102 int sec, min, hour, mday, mon, year, wday, yday, days; |
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103 |
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104 days = t / 86400; |
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105 |
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106 /* Jaunary 1, 1970 was Thursday */ |
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107 wday = (4 + days) % 7; |
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108 |
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109 t %= 86400; |
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110 hour = t / 3600; |
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111 t %= 3600; |
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112 min = t / 60; |
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113 sec = t % 60; |
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114 |
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115 /* the algorithm based on Gauss's formula */ |
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116 |
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117 days = days - (31 + 28) + 719527; |
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118 |
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119 year = days * 400 / (365 * 400 + 100 - 4 + 1); |
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120 yday = days - (365 * year + year / 4 - year / 100 + year / 400); |
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121 |
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122 mon = (yday + 31) * 12 / 367; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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123 mday = yday - (mon * 367 / 12 - 31); |
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124 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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125 mon += 2; |
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126 |
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127 if (yday >= 306) { |
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nginx-0.0.1-2003-11-13-09:14:05 import
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128 yday -= 306; |
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129 year++; |
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130 mon -= 12; |
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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 (mday == 0) { |
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nginx-0.0.1-2003-11-13-09:14:05 import
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133 /* Jaunary 31 */ |
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134 mon = 1; |
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135 mday = 31; |
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136 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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137 } else if (mon == 2) { |
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138 |
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139 if ((year % 4 == 0) && (year % 100 || (year % 400 == 0))) { |
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140 if (mday > 29) { |
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141 mon = 3; |
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142 mday -= 29; |
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143 } |
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nginx-0.0.1-2003-11-13-09:14:05 import
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|
144 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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145 } else if (mday > 28) { |
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nginx-0.0.1-2003-11-13-09:14:05 import
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146 mon = 3; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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147 mday -= 28; |
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148 } |
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149 } |
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nginx-0.0.1-2003-11-13-09:14:05 import
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150 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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151 } else { |
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152 yday += 31 + 28; |
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153 |
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154 if ((year % 4 == 0) && (year % 100 || (year % 400 == 0))) { |
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nginx-0.0.1-2003-11-13-09:14:05 import
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155 yday++; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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156 } |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
181
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157 } |
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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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|
158 |
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nginx-0.0.1-2003-11-13-09:14:05 import
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159 tp->ngx_tm_sec = sec; |
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160 tp->ngx_tm_min = min; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
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161 tp->ngx_tm_hour = hour; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
181
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162 tp->ngx_tm_mday = mday; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
181
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163 tp->ngx_tm_mon = mon; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
181
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164 tp->ngx_tm_year = year; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
181
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165 tp->ngx_tm_wday = wday; |
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nginx-0.0.1-2003-11-13-09:14:05 import
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parents:
181
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|
166 } |