From: matz@... (Yukihiro Matsumoto)
Date: 2002-06-12T01:18:48+09:00
Subject: Re: hostent extension problem - returning the ip address

Hi,

In message "hostent extension problem - returning the ip address"
    on 02/06/11, "Mr. Sunblade" <djberge@qwest.com> writes:

|I'm writing an extension that simply returns the hostname or ip addresses
|for a given host.  I'm having a problem with core dumps, however, and I
|think it's because I'm not wrapping the return value from hptr->h_addr_list
|(a pointer to an array of pointers that contain in_addr{}).  I've tried a
|few things and though it will compile, it continues to core dump/seg fault.
|Any ideas?  Here's my source (including extconf.rb source in comments):

You are freeing struct hostent given by gethostname(3).
gethostname(3) returns a pointer to static data, not to be freed.

							matz.