Mercurial > hg > nginx
annotate src/core/ngx_parse.c @ 1333:07ebeeb55700
escape space, etc in $memcached_key
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 22 Jul 2007 19:18:59 +0000 |
parents | 6d5c1535bb9d |
children | d7abb9e669e2 |
rev | line source |
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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 |
157
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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 |
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10 |
563 | 11 ssize_t |
12 ngx_parse_size(ngx_str_t *line) | |
157
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13 { |
290
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14 u_char last; |
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15 size_t len; |
563 | 16 ssize_t size; |
17 ngx_int_t scale; | |
157
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18 |
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19 len = line->len; |
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20 last = line->data[len - 1]; |
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21 |
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22 switch (last) { |
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23 case 'K': |
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24 case 'k': |
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25 len--; |
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26 scale = 1024; |
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27 break; |
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28 |
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29 case 'M': |
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30 case 'm': |
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31 len--; |
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32 scale = 1024 * 1024; |
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33 break; |
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34 |
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35 default: |
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36 scale = 1; |
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37 } |
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38 |
563 | 39 size = ngx_atosz(line->data, len); |
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40 if (size == NGX_ERROR) { |
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41 return NGX_ERROR; |
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42 } |
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43 |
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44 size *= scale; |
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45 |
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46 return size; |
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47 } |
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48 |
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49 |
663 | 50 off_t |
51 ngx_parse_offset(ngx_str_t *line) | |
52 { | |
53 u_char last; | |
54 off_t offset; | |
55 size_t len; | |
56 ngx_int_t scale; | |
57 | |
58 len = line->len; | |
59 last = line->data[len - 1]; | |
60 | |
61 switch (last) { | |
62 case 'K': | |
63 case 'k': | |
64 len--; | |
65 scale = 1024; | |
66 break; | |
67 | |
68 case 'M': | |
69 case 'm': | |
70 len--; | |
71 scale = 1024 * 1024; | |
72 break; | |
73 | |
74 case 'G': | |
75 case 'g': | |
76 len--; | |
77 scale = 1024 * 1024 * 1024; | |
78 break; | |
79 | |
80 default: | |
81 scale = 1; | |
82 } | |
83 | |
84 offset = ngx_atoof(line->data, len); | |
85 if (offset == NGX_ERROR) { | |
86 return NGX_ERROR; | |
87 } | |
88 | |
89 offset *= scale; | |
90 | |
91 return offset; | |
92 } | |
93 | |
94 | |
563 | 95 ngx_int_t |
96 ngx_parse_time(ngx_str_t *line, ngx_int_t sec) | |
157
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97 { |
651 | 98 size_t len; |
99 u_char *start, last; | |
100 ngx_int_t value, total, scale; | |
101 ngx_uint_t max, i; | |
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 |
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116 start = line->data; |
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117 len = 0; |
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118 total = 0; |
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119 step = sec ? st_start : st_month; |
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120 |
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121 for (i = 0; /* void */ ; i++) { |
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122 |
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123 if (i < line->len) { |
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124 if (line->data[i] != ' ') { |
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125 len++; |
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126 continue; |
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127 } |
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128 |
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129 if (line->data[i] == ' ' && len == 0) { |
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130 start = &line->data[i + 1]; |
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131 continue; |
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132 } |
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133 } |
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134 |
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135 if (len == 0) { |
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136 break; |
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137 } |
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138 |
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139 last = line->data[i - 1]; |
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140 |
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141 switch (last) { |
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142 case 'y': |
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143 if (step > st_start) { |
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144 return NGX_ERROR; |
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145 } |
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146 step = st_year; |
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147 len--; |
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148 max = 68; |
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149 scale = 60 * 60 * 24 * 365; |
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150 break; |
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151 |
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152 case 'M': |
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153 if (step > st_year) { |
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154 return NGX_ERROR; |
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155 } |
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156 step = st_month; |
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157 len--; |
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158 max = 828; |
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159 scale = 60 * 60 * 24 * 30; |
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160 break; |
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161 |
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162 case 'w': |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 if (step > st_month) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 return NGX_ERROR; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 step = st_week; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 len--; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 max = 3550; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 scale = 60 * 60 * 24 * 7; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 break; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
172 case 'd': |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 if (step > st_week) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 return NGX_ERROR; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 step = st_day; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 len--; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 max = 24855; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 scale = 60 * 60 * 24; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 break; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 case 'h': |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
183 if (step > st_day) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 return NGX_ERROR; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
186 step = st_hour; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
187 len--; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
188 max = 596523; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
189 scale = 60 * 60; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 break; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 case 'm': |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
193 if (step > st_hour) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 return NGX_ERROR; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 step = st_min; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
197 len--; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 max = 35791394; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 scale = 60; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 break; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
202 case 's': |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 len--; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 if (line->data[i - 2] == 'm') { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 if (sec || step > st_sec) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 return NGX_ERROR; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 step = st_msec; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 len--; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 max = 2147483647; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
212 scale = 1; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 break; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 if (step > st_min) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 return NGX_ERROR; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
220 step = st_sec; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 max = 2147483647; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
222 scale = 1; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
223 break; |
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 default: |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
226 step = st_last; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
227 max = 2147483647; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 scale = 1; |
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 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
231 value = ngx_atoi(start, len); |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
232 if (value == NGX_ERROR) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
233 return NGX_ERROR; |
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 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
236 if (step != st_msec && !sec) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
237 scale *= 1000; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
238 max /= 1000; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
239 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
240 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
241 if ((u_int) value > max) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
242 return NGX_PARSE_LARGE_TIME; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
243 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
244 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
245 total += value * scale; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
246 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
247 if ((u_int) total > 2147483647) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
248 return NGX_PARSE_LARGE_TIME; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
249 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
250 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
251 if (i >= line->len) { |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
252 break; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
253 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
254 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
255 len = 0; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
256 start = &line->data[i + 1]; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
257 } |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
258 |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
259 return total; |
70b36c805682
nginx-0.0.1-2003-10-23-19:54:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
260 } |