Mercurial > hg > nginx-quic
annotate src/core/ngx_parse.c @ 4738:512c741fa841
Fixed typo in a function name.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Tue, 03 Jul 2012 13:06:40 +0000 |
parents | d620f497c50f |
children | 15a15f6ae3a2 |
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 |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
157
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 |
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11 |
563 | 12 ssize_t |
13 ngx_parse_size(ngx_str_t *line) | |
157
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14 { |
1971 | 15 u_char unit; |
290
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16 size_t len; |
563 | 17 ssize_t size; |
18 ngx_int_t scale; | |
157
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19 |
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20 len = line->len; |
1971 | 21 unit = line->data[len - 1]; |
157
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22 |
1971 | 23 switch (unit) { |
157
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24 case 'K': |
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25 case 'k': |
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26 len--; |
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27 scale = 1024; |
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28 break; |
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29 |
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30 case 'M': |
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31 case 'm': |
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32 len--; |
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33 scale = 1024 * 1024; |
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34 break; |
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35 |
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36 default: |
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37 scale = 1; |
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38 } |
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39 |
563 | 40 size = ngx_atosz(line->data, len); |
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41 if (size == NGX_ERROR) { |
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42 return NGX_ERROR; |
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43 } |
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44 |
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45 size *= scale; |
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46 |
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47 return size; |
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48 } |
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49 |
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50 |
663 | 51 off_t |
52 ngx_parse_offset(ngx_str_t *line) | |
53 { | |
1971 | 54 u_char unit; |
663 | 55 off_t offset; |
56 size_t len; | |
57 ngx_int_t scale; | |
58 | |
59 len = line->len; | |
1971 | 60 unit = line->data[len - 1]; |
663 | 61 |
1971 | 62 switch (unit) { |
663 | 63 case 'K': |
64 case 'k': | |
65 len--; | |
66 scale = 1024; | |
67 break; | |
68 | |
69 case 'M': | |
70 case 'm': | |
71 len--; | |
72 scale = 1024 * 1024; | |
73 break; | |
74 | |
75 case 'G': | |
76 case 'g': | |
77 len--; | |
78 scale = 1024 * 1024 * 1024; | |
79 break; | |
80 | |
81 default: | |
82 scale = 1; | |
83 } | |
84 | |
85 offset = ngx_atoof(line->data, len); | |
86 if (offset == NGX_ERROR) { | |
87 return NGX_ERROR; | |
88 } | |
89 | |
90 offset *= scale; | |
91 | |
92 return offset; | |
93 } | |
94 | |
95 | |
563 | 96 ngx_int_t |
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97 ngx_parse_time(ngx_str_t *line, ngx_uint_t is_sec) |
157
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98 { |
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99 u_char *p, *last; |
651 | 100 ngx_int_t value, total, scale; |
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101 ngx_uint_t max, valid; |
157
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102 enum { |
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103 st_start = 0, |
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104 st_year, |
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105 st_month, |
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106 st_week, |
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107 st_day, |
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108 st_hour, |
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109 st_min, |
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110 st_sec, |
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111 st_msec, |
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112 st_last |
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113 } step; |
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114 |
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115 valid = 0; |
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116 value = 0; |
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117 total = 0; |
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118 step = is_sec ? st_start : st_month; |
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119 scale = is_sec ? 1 : 1000; |
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120 |
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121 p = line->data; |
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122 last = p + line->len; |
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123 |
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124 while (p < last) { |
157
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125 |
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126 if (*p >= '0' && *p <= '9') { |
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127 value = value * 10 + (*p++ - '0'); |
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128 valid = 1; |
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129 continue; |
157
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130 } |
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131 |
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132 switch (*p++) { |
157
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133 |
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134 case 'y': |
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135 if (step > st_start) { |
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136 return NGX_ERROR; |
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137 } |
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138 step = st_year; |
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139 max = NGX_MAX_INT32_VALUE / (60 * 60 * 24 * 365); |
157
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140 scale = 60 * 60 * 24 * 365; |
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141 break; |
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142 |
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143 case 'M': |
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144 if (step >= st_month) { |
157
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145 return NGX_ERROR; |
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146 } |
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147 step = st_month; |
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148 max = NGX_MAX_INT32_VALUE / (60 * 60 * 24 * 30); |
157
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149 scale = 60 * 60 * 24 * 30; |
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150 break; |
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151 |
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152 case 'w': |
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153 if (step >= st_week) { |
157
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154 return NGX_ERROR; |
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155 } |
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156 step = st_week; |
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157 max = NGX_MAX_INT32_VALUE / (60 * 60 * 24 * 7); |
157
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158 scale = 60 * 60 * 24 * 7; |
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159 break; |
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160 |
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161 case 'd': |
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162 if (step >= st_day) { |
157
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163 return NGX_ERROR; |
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parents:
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|
164 } |
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165 step = st_day; |
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166 max = NGX_MAX_INT32_VALUE / (60 * 60 * 24); |
157
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parents:
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167 scale = 60 * 60 * 24; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
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parents:
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|
168 break; |
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nginx-0.0.1-2003-10-23-19:54:19 import
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parents:
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|
169 |
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nginx-0.0.1-2003-10-23-19:54:19 import
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parents:
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170 case 'h': |
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171 if (step >= st_hour) { |
157
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172 return NGX_ERROR; |
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parents:
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|
173 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
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174 step = st_hour; |
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175 max = NGX_MAX_INT32_VALUE / (60 * 60); |
157
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nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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176 scale = 60 * 60; |
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
177 break; |
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parents:
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|
178 |
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
179 case 'm': |
1972
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allow time without spaces in ngx_parse_time()
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parents:
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180 if (*p == 's') { |
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181 if (is_sec || step >= st_msec) { |
1972
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182 return NGX_ERROR; |
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1971
diff
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|
183 } |
9d2bdbda4ee3
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parents:
1971
diff
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184 p++; |
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185 step = st_msec; |
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186 max = NGX_MAX_INT32_VALUE; |
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parents:
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187 scale = 1; |
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diff
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|
188 break; |
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parents:
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diff
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|
189 } |
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parents:
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diff
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|
190 |
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parents:
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diff
changeset
|
191 if (step >= st_min) { |
157
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Igor Sysoev <igor@sysoev.ru>
parents:
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192 return NGX_ERROR; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
193 } |
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parents:
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194 step = st_min; |
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195 max = NGX_MAX_INT32_VALUE / 60; |
157
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Igor Sysoev <igor@sysoev.ru>
parents:
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196 scale = 60; |
70b36c805682
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
197 break; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
198 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
199 case 's': |
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parents:
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|
200 if (step >= st_sec) { |
157
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
201 return NGX_ERROR; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
202 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
203 step = st_sec; |
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1972
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204 max = NGX_MAX_INT32_VALUE; |
157
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nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 scale = 1; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 break; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 |
1972
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allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
208 case ' ': |
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parents:
1972
diff
changeset
|
209 if (step >= st_sec) { |
1972
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parents:
1971
diff
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|
210 return NGX_ERROR; |
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parents:
1971
diff
changeset
|
211 } |
157
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
212 step = st_last; |
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1972
diff
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|
213 max = NGX_MAX_INT32_VALUE; |
157
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 scale = 1; |
1972
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parents:
1971
diff
changeset
|
215 break; |
157
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 |
1972
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
217 default: |
157
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
218 return NGX_ERROR; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 } |
70b36c805682
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
220 |
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parents:
1972
diff
changeset
|
221 if (step != st_msec && !is_sec) { |
157
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nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
222 scale *= 1000; |
70b36c805682
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
223 max /= 1000; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
224 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
225 |
1972
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parents:
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diff
changeset
|
226 if ((ngx_uint_t) value > max) { |
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parents:
1971
diff
changeset
|
227 return NGX_ERROR; |
157
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nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 total += value * scale; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
231 |
4183
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Ruslan Ermilov <ru@nginx.com>
parents:
1972
diff
changeset
|
232 if ((ngx_uint_t) total > NGX_MAX_INT32_VALUE) { |
1972
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
233 return NGX_ERROR; |
157
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
234 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
235 |
1972
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
236 value = 0; |
4183
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Improved ngx_parse_time() code readability.
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parents:
1972
diff
changeset
|
237 scale = is_sec ? 1 : 1000; |
1972
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allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
238 |
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
239 while (p < last && *p == ' ') { |
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
240 p++; |
157
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
241 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
242 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
243 |
1972
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
244 if (valid) { |
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
245 return total + value * scale; |
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
246 } |
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
247 |
9d2bdbda4ee3
allow time without spaces in ngx_parse_time()
Igor Sysoev <igor@sysoev.ru>
parents:
1971
diff
changeset
|
248 return NGX_ERROR; |
157
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
249 } |