another possible mem leak, AIX-specific

[Chris Vaughan]

On AIX, the config.h generated by 'configure' sets up
the following directives:

#define HAVE_FREEADDRINFO 1
#define HAVE_GETADDRINFO 1
#define BROKEN_GETADDRINFO 1

This allows the compiler to use the 'getaddrinfo()'
routine in fake-getaddrinfo.c, but it uses the
'freeaddrinfo()' provided by AIX.  I don't think
'freeaddrinfo()' is releasing the linked list
properly, because I think I'm seeing a memory leak
roughly a multiple of the struct size per new channel.
 If I undefine HAVE_FREEADDRINFO in config.h, the
memory leak seems to go away.

I would solve this by having a 'BROKEN_FREEADDRINFO'
flag defined for AIX, and use the same logic as when
'BROKEN_GETADDRINFO' is defined.  That way, the
'freeaddrinfo()' routine from fake-getaddrinfo.c is
used, as opposed to the one from AIX.

- chrisv



=====
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    Chris Vaughan    | "I love deadlines.  I like the
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