Taylor R Campbell e2c0d98965 lib/roken/syslog.c: Initialize hostname to avoid DNS lookups. ...

Previously, the hostname was initialized to `localhost'.  If it was
not cleared by init_syslog, init_logger_addr (via openlog) would
query gethostbyname to find the IP address of `localhost', which will
essentially always be 127.0.0.1.  But if it was cleared by
init_syslog, init_logger_addr would return 127.0.0.1 anyway.

This way, it always returns 127.0.0.1 in the event of no init_syslog
call, and avoids a DNS lookup.  You can always force a DNS lookup by
passing `localhost' to init_syslog explicitly, of course.

I'm not sure if anything even uses this as a fallback in Heimdal, but
let's avoid leaving a rake to step on.

2024-01-08 10:22:02 -06:00

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