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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "net/base/host_resolver_proc.h" | 5 #include "net/base/host_resolver_proc.h" |
6 | 6 |
7 #include "build/build_config.h" | 7 #include "build/build_config.h" |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "net/base/address_list.h" | 10 #include "net/base/address_list.h" |
11 #include "net/base/dns_reloader.h" | 11 #include "net/base/dns_reloader.h" |
12 #include "net/base/net_errors.h" | 12 #include "net/base/net_errors.h" |
13 #include "net/base/sys_addrinfo.h" | 13 #include "net/base/sys_addrinfo.h" |
14 | 14 |
15 #if defined(OS_POSIX) && !defined(OS_MACOSX) | 15 #if defined(OS_OPENBSD) |
16 #include <resolv.h> | 16 #define AI_ADDRCONFIG 0 |
17 #endif | 17 #endif |
18 | 18 |
19 namespace net { | 19 namespace net { |
20 | 20 |
21 namespace { | 21 namespace { |
22 | 22 |
23 bool IsAllLocalhostOfOneFamily(const struct addrinfo* ai) { | 23 bool IsAllLocalhostOfOneFamily(const struct addrinfo* ai) { |
24 bool saw_v4_localhost = false; | 24 bool saw_v4_localhost = false; |
25 bool saw_v6_localhost = false; | 25 bool saw_v6_localhost = false; |
26 for (; ai != NULL; ai = ai->ai_next) { | 26 for (; ai != NULL; ai = ai->ai_next) { |
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136 hints.ai_family = AF_INET6; | 136 hints.ai_family = AF_INET6; |
137 break; | 137 break; |
138 case ADDRESS_FAMILY_UNSPECIFIED: | 138 case ADDRESS_FAMILY_UNSPECIFIED: |
139 hints.ai_family = AF_UNSPEC; | 139 hints.ai_family = AF_UNSPEC; |
140 break; | 140 break; |
141 default: | 141 default: |
142 NOTREACHED(); | 142 NOTREACHED(); |
143 hints.ai_family = AF_UNSPEC; | 143 hints.ai_family = AF_UNSPEC; |
144 } | 144 } |
145 | 145 |
146 #if defined(OS_WIN) || defined(OS_OPENBSD) | 146 #if defined(OS_WIN) |
147 // DO NOT USE AI_ADDRCONFIG ON WINDOWS. | 147 // DO NOT USE AI_ADDRCONFIG ON WINDOWS. |
148 // | 148 // |
149 // The following comment in <winsock2.h> is the best documentation I found | 149 // The following comment in <winsock2.h> is the best documentation I found |
150 // on AI_ADDRCONFIG for Windows: | 150 // on AI_ADDRCONFIG for Windows: |
151 // Flags used in "hints" argument to getaddrinfo() | 151 // Flags used in "hints" argument to getaddrinfo() |
152 // - AI_ADDRCONFIG is supported starting with Vista | 152 // - AI_ADDRCONFIG is supported starting with Vista |
153 // - default is AI_ADDRCONFIG ON whether the flag is set or not | 153 // - default is AI_ADDRCONFIG ON whether the flag is set or not |
154 // because the performance penalty in not having ADDRCONFIG in | 154 // because the performance penalty in not having ADDRCONFIG in |
155 // the multi-protocol stack environment is severe; | 155 // the multi-protocol stack environment is severe; |
156 // this defaulting may be disabled by specifying the AI_ALL flag, | 156 // this defaulting may be disabled by specifying the AI_ALL flag, |
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232 #endif | 232 #endif |
233 | 233 |
234 return ERR_NAME_NOT_RESOLVED; | 234 return ERR_NAME_NOT_RESOLVED; |
235 } | 235 } |
236 | 236 |
237 *addrlist = AddressList::CreateByAdoptingFromSystem(ai); | 237 *addrlist = AddressList::CreateByAdoptingFromSystem(ai); |
238 return OK; | 238 return OK; |
239 } | 239 } |
240 | 240 |
241 } // namespace net | 241 } // namespace net |
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