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glibc/resolv/nss_dns
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Siddhesh Poyarekar 76985d3e03 Remove MULTI_PTRS_ARE_ALIASES in dns-hosts.c 
The code in gethnamaddr.c for gethostbyaddr used and set this macro to
allow multiple PTR records to be added as aliases.  This was useful
for gethostbyaddr since it returns a hostent structure, which can
return aliases.

The gethnamaddr.c source however is unused in glibc since pretty much
forever.  Instead, the DNS lookup bits for gethostbyaddr (as well as
getnameinfo) are implemented in dns-hosts.c and in that implementation
all but one (the first one) of the multiple PTR records are ignored.
Since gethnamaddr.c is essentially dead code, ignore that
implementation and replace the MULTI_PTRS_ARE_ALIASES bit with a
comment mentioning that bind adds PTR records as aliases while we
don't.
2014-07-01 17:23:20 +05:30
..
dns-canon.c Properly fix memory leak in _nss_dns_gethostbyname4_r with big DNS answer 2014-02-19 14:39:21 +01:00
dns-host.c Remove MULTI_PTRS_ARE_ALIASES in dns-hosts.c 2014-07-01 17:23:20 +05:30
dns-network.c Properly fix memory leak in _nss_dns_gethostbyname4_r with big DNS answer 2014-02-19 14:39:21 +01:00