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evutil: set the have_checked_interfaces in evutil_check_interfaces()

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Closes: #836 (cherry-picked)
Fixes: #834
(cherry picked from commit 0de2b1455b348466e8e29704ba8760127cd63528)
This commit is contained in:
jeremyerb 2019-06-14 10:19:51 -04:00 committed by Azat Khuzhin
parent 2d65071c3a
commit ef498aa25d
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GPG Key ID: B86086848EF8686D
1 changed files with 4 additions and 2 deletions
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6
evutil.c
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@ -761,6 +761,9 @@ evutil_check_interfaces(int force_recheck)
if (have_checked_interfaces && !force_recheck)
return 0;
/* From this point on we have done the ipv4/ipv6 interface check */
have_checked_interfaces = 1;
if (evutil_check_ifaddrs() == 0) {
/* Use a nice sane interface, if this system has one. */
return 0;
@ -1228,8 +1231,7 @@ evutil_adjust_hints_for_addrconfig_(struct evutil_addrinfo *hints)
return;
if (hints->ai_family != PF_UNSPEC)
return;
if (!have_checked_interfaces)
evutil_check_interfaces(0);
evutil_check_interfaces(0);
if (had_ipv4_address && !had_ipv6_address) {
hints->ai_family = PF_INET;
} else if (!had_ipv4_address && had_ipv6_address) {