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9774b48e FC |
1 | /* |
2 | * | |
3 | * DEBUG: section 65 HTTP Cache Control Header | |
4 | * | |
5 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
6 | * ---------------------------------------------------------- | |
7 | * | |
8 | * Squid is the result of efforts by numerous individuals from | |
9 | * the Internet community; see the CONTRIBUTORS file for full | |
10 | * details. Many organizations have provided support for Squid's | |
11 | * development; see the SPONSORS file for full details. Squid is | |
12 | * Copyrighted (C) 2001 by the Regents of the University of | |
13 | * California; see the COPYRIGHT file for full details. Squid | |
14 | * incorporates software developed and/or copyrighted by other | |
15 | * sources; see the CREDITS file for full details. | |
16 | * | |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2 of the License, or | |
20 | * (at your option) any later version. | |
21 | * | |
22 | * This program is distributed in the hope that it will be useful, | |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
26 | * | |
27 | * You should have received a copy of the GNU General Public License | |
28 | * along with this program; if not, write to the Free Software | |
29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
30 | * | |
31 | */ | |
582c2af2 | 32 | |
582c2af2 | 33 | #include "Debug.h" |
602d9612 | 34 | #include "defines.h" |
582c2af2 | 35 | |
f9517ad8 FC |
36 | bool |
37 | HttpHdrCc::isSet(http_hdr_cc_type id) const | |
38 | { | |
39 | assert(id>=CC_PUBLIC && id < CC_ENUM_END); | |
40 | return EBIT_TEST(mask,id); | |
41 | } | |
42 | ||
cf7c2e94 FC |
43 | void |
44 | HttpHdrCc::setMask(http_hdr_cc_type id, bool newval) | |
45 | { | |
f9517ad8 FC |
46 | if (newval) |
47 | EBIT_SET(mask,id); | |
48 | else | |
49 | EBIT_CLR(mask,id); | |
50 | } | |
d74ad83f FC |
51 | |
52 | /// set a data member to a new value, and set the corresponding mask-bit. | |
53 | /// if setting is false, then the mask-bit is cleared. | |
54 | void | |
55 | HttpHdrCc::setValue(int32_t &value, int32_t new_value, http_hdr_cc_type hdr, bool setting) | |
56 | { | |
57 | if (setting) { | |
c397963f FC |
58 | if (new_value < 0) { |
59 | debugs(65,3,HERE << "rejecting negative-value Cache-Control directive " << hdr | |
77da1817 | 60 | << " value " << new_value ); |
c397963f FC |
61 | return; |
62 | } | |
d74ad83f FC |
63 | } else { |
64 | new_value=-1; //rely on the convention that "unknown" is -1 | |
65 | } | |
66 | ||
67 | value=new_value; | |
68 | setMask(hdr,setting); | |
69 | } |