Mercurial > hg > nginx
annotate src/http/ngx_http_parse_time.c @ 447:288f249897e7
nginx-0.1.0-2004-09-30-23:44:38 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 30 Sep 2004 19:44:38 +0000 |
parents | 42d11f017717 |
children | c52408583801 |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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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 #include <ngx_types.h> |
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10 |
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11 |
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12 static int mday[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; |
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13 |
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14 time_t ngx_http_parse_time(u_char *value, size_t len) |
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15 { |
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16 u_char *p, *end; |
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17 int day, month, year, hour, min, sec; |
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18 enum { |
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19 no = 0, |
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20 rfc822, /* Tue 10 Nov 2002 23:50:13 */ |
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21 rfc850, /* Tuesday, 10-Dec-02 23:50:13 */ |
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22 isoc /* Tue Dec 10 23:50:13 2002 */ |
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23 } fmt; |
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24 |
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25 fmt = 0; |
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26 end = value + len; |
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27 |
57
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28 #if (NGX_SUPPRESS_WARN) |
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29 day = 32; |
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30 year = 2038; |
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31 #endif |
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32 |
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33 for (p = value; p < end; p++) { |
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34 if (*p == ',') { |
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35 break; |
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36 } |
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37 |
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38 if (*p == ' ') { |
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39 fmt = isoc; |
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40 break; |
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41 } |
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42 } |
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43 |
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44 for (p++; p < end; p++) |
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45 if (*p != ' ') { |
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46 break; |
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47 } |
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48 |
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49 if (end - p < 18) { |
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50 return NGX_ERROR; |
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51 } |
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52 |
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53 if (fmt != isoc) { |
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54 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
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55 return NGX_ERROR; |
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56 } |
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57 |
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58 day = (*p - '0') * 10 + *(p + 1) - '0'; |
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59 p += 2; |
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60 |
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61 if (*p == ' ') { |
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62 if (end - p < 18) { |
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63 return NGX_ERROR; |
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64 } |
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65 fmt = rfc822; |
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66 |
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67 } else if (*p == '-') { |
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68 fmt = rfc850; |
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69 |
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70 } else { |
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71 return NGX_ERROR; |
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72 } |
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73 |
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74 p++; |
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75 } |
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76 |
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77 switch (*p) { |
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78 |
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79 case 'J': |
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80 month = *(p + 1) == 'a' ? 0 : *(p + 2) == 'n' ? 5 : 6; |
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81 break; |
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82 |
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83 case 'F': |
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84 month = 1; |
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85 break; |
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86 |
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87 case 'M': |
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88 month = *(p + 2) == 'r' ? 2 : 4; |
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89 break; |
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90 |
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91 case 'A': |
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92 month = *(p + 1) == 'p' ? 3 : 7; |
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93 break; |
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94 |
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95 case 'S': |
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96 month = 8; |
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97 break; |
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98 |
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99 case 'O': |
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100 month = 9; |
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101 break; |
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102 |
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103 case 'N': |
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104 month = 10; |
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nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
105 break; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
106 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
107 case 'D': |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
108 month = 11; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
109 break; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
110 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
111 default: |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
112 return NGX_ERROR; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
113 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
114 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
115 p += 3; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
116 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
117 if ((fmt == rfc822 && *p != ' ') || (fmt == rfc850 && *p != '-')) { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
118 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
119 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
120 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
121 p++; |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
123 if (fmt == rfc822) { |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
124 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9' |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
125 || *(p + 2) < '0' || *(p + 2) > '9' |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
126 || *(p + 3) < '0' || *(p + 3) > '9') |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
127 { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
128 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
129 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
130 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
131 year = (*p - '0') * 1000 + (*(p + 1) - '0') * 100 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
132 + (*(p + 2) - '0') * 10 + *(p + 3) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
133 p += 4; |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
135 } else if (fmt == rfc850) { |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
136 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
137 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
138 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
139 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
140 year = (*p - '0') * 10 + *(p + 1) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
141 year += (year < 70) ? 2000 : 1900; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
142 p += 2; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
143 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
144 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
145 if (fmt == isoc) { |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
146 if (*p == ' ') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
147 p++; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
148 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
149 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
150 if (*p < '0' || *p > '9') { |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
152 } |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
154 day = *p++ - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
155 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
156 if (*p != ' ') { |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
157 if (*p < '0' || *p > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
158 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
159 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
160 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
161 day = day * 10 + *p++ - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
162 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
163 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
164 if (end - p < 14) { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
165 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
166 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
167 } |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
168 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
169 if (*p++ != ' ') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
170 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
171 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
172 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
173 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
174 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
175 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
176 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
177 hour = (*p - '0') * 10 + *(p + 1) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
178 p += 2; |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
180 if (*p++ != ':') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
181 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
182 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
183 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
184 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
185 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
186 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
187 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
188 min = (*p - '0') * 10 + *(p + 1) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
189 p += 2; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
190 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
191 if (*p++ != ':') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
192 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
193 } |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
195 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
196 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
197 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
198 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
199 sec = (*p - '0') * 10 + *(p + 1) - '0'; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
200 |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
201 if (fmt == isoc) { |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
202 p += 2; |
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
203 |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
204 if (*p++ != ' ') { |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
205 return NGX_ERROR; |
44
0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
29
diff
changeset
|
206 } |
25
a8b156554dfe
nginx-0.0.1-2002-12-11-19:57:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
207 |
a8b156554dfe
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208 if (*p < '0' || *p > '9' || *(p + 1) < '0' || *(p + 1) > '9' |
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209 || *(p + 2) < '0' || *(p + 2) > '9' |
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210 || *(p + 3) < '0' || *(p + 3) > '9') |
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211 { |
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212 return NGX_ERROR; |
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213 } |
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214 |
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215 year = (*p - '0') * 1000 + (*(p + 1) - '0') * 100 |
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216 + (*(p + 2) - '0') * 10 + *(p + 3) - '0'; |
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217 } |
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218 |
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219 #if 0 |
25
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220 printf("%d.%d.%d %d:%d:%d\n", day, month + 1, year, hour, min, sec); |
26
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221 #endif |
25
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222 |
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223 if (hour > 23 || min > 59 || sec > 59) { |
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224 return NGX_ERROR; |
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225 } |
25
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226 |
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227 if (day == 29 && month == 1) { |
44
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228 if ((year & 3) || ((year % 100 == 0) && (year % 400) != 0)) { |
25
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229 return NGX_ERROR; |
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230 } |
25
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231 |
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232 } else if (day > mday[month]) { |
25
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233 return NGX_ERROR; |
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234 } |
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235 |
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236 if (sizeof(time_t) <= 4 && year >= 2038) { |
25
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237 return NGX_ERROR; |
44
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238 } |
25
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239 |
181
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240 /* |
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241 * shift new year to March 1 and start months from 1 (not 0), |
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242 * it's needed for Gauss's formula |
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243 */ |
179
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244 |
25
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245 if (--month <= 0) { |
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246 month += 12; |
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247 year -= 1; |
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248 } |
179
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249 |
181
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250 /* Gauss's formula for Grigorian days from 1 March 1 BC */ |
179
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251 |
26
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252 return (365 * year + year / 4 - year / 100 + year / 400 |
181
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253 + 367 * month / 12 - 31 |
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254 + day |
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179
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255 |
179
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256 /* |
181
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257 * 719527 days were between March 1, 1 BC and March 1, 1970, |
179
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258 * 31 and 28 days in January and February 1970 |
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259 */ |
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260 |
26
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261 - 719527 + 31 + 28) * 86400 + hour * 3600 + min * 60 + sec; |
25
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262 } |
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263 |
26
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264 #if 0 |
25
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265 char zero[] = "Sun, 01 Jan 1970 08:49:30"; |
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266 char one[] = "Sunday, 11-Dec-02 08:49:30"; |
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267 char two[] = "Sun Mar 1 08:49:37 2000"; |
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268 char thr[] = "Sun Dec 11 08:49:37 2002"; |
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|
269 |
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270 main() |
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271 { |
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272 int rc; |
24
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|
273 |
25
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274 rc = ngx_http_parse_time(zero, sizeof(zero) - 1); |
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275 printf("rc: %d\n", rc); |
24
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|
276 |
25
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277 rc = ngx_http_parse_time(one, sizeof(one) - 1); |
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278 printf("rc: %d\n", rc); |
24
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|
279 |
25
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280 rc = ngx_http_parse_time(two, sizeof(two) - 1); |
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281 printf("rc: %d\n", rc); |
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|
282 |
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283 rc = ngx_http_parse_time(thr, sizeof(thr) - 1); |
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284 printf("rc: %d\n", rc); |
24
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|
285 } |
26
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|
286 |
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|
287 #endif |