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patch 8.2.1661: cannot connect to 127.0.0.1 for host with only IPv6 addresses

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Problem:    Cannot connect to 127.0.0.1 for host with only IPv6 addresses.
Solution:   pass AI_V4MAPPED flag to getaddrinfo. (Filipe Brandenburger,
            closes #6931)
This commit is contained in:
Bram Moolenaar
2020-09-11 19:28:19 +02:00
parent c0c71e9d98
commit c6a67c92bc
2 changed files with 4 additions and 2 deletions
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4
src/channel.c
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@@ -977,8 +977,8 @@ channel_open(
CLEAR_FIELD(hints);
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
# ifdef AI_ADDRCONFIG
hints.ai_flags = AI_ADDRCONFIG;
# if defined(AI_ADDRCONFIG) && defined(AI_V4MAPPED)
hints.ai_flags = AI_ADDRCONFIG | AI_V4MAPPED;
# endif
// Set port number manually in order to prevent name resolution services
// from being invoked in the environment where AI_NUMERICSERV is not