gethostbyname/gethostbyaddr patch

Jason Tishler
Thu Aug 23 13:17:00 GMT 2001

The following patch:

broke gethostbyname() and gethostbyaddr() when the IP address contains
zero components.  For example, my mail server is  When I
connect to it with a Cygwin app, the address actually used is

The root cause is that dup_char_list() does not handle embedded null
characters.  The attached patch is one way to correct this problem.


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