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Enable IPv6 libpq 'hostaddr' addresses. Update docs.

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This commit is contained in:
Bruce Momjian
2003-01-06 22:48:16 +00:00
parent 939a59ffc6
commit c9cf982038
2 changed files with 8 additions and 8 deletions
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9
doc/src/sgml/libpq.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.103 2002/12/13 05:49:10 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.104 2003/01/06 22:48:16 momjian Exp $
-->
<chapter id="libpq">
@ -110,14 +110,15 @@ PGconn *PQconnectdb(const char *conninfo)
<listitem>
<para>
IP address of host to connect to. This should be in standard
numbers-and-dots form, as used by the BSD functions <function>inet_aton</> et al. If
a nonzero-length string is specified, TCP/IP communication is used.
IPv4 address format, e.g. <literal>172.28.40.9</>. If your machine
supports IPv6, you can also use those addresses. If a nonzero-length
string is specified, TCP/IP communication is used.
</para>
<para>
Using <literal>hostaddr</> instead of host allows the application to avoid a host
name look-up, which may be important in applications with time
constraints. However, Kerberos authentication requires the host
name. The following therefore applies. If host is specified without
name. The following therefore applies: If host is specified without
<literal>hostaddr</>, a host name lookup is forced. If <literal>hostaddr</> is specified without
host, the value for <literal>hostaddr</> gives the remote address; if Kerberos is
used, this causes a reverse name query. If both host and <literal>hostaddr</> are