Hello, everyone This patch include two major change groups. one is fixing the dns lookup issue due to dummy dns information of a disconnected adapter(in my case is a bluetooth adapter). I changed the dns lookup policy to try GetNetworkParams first because the GetNetworkParams provides the most reliable dns information(lots of checks were done by system). I also filter out inoperable adapter in DNS_AdaptersAddresses in case GetNetworkParams fail. the other is explicit invoke ANSI version Win32 API in case compile c-ares in unicode environment.
Best Wishes Lei Shi.
dns.patch
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