Rename parameter "hostname" to "virtual_host". Seemed very ambiguous...

doc/src/sgml/runtime.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.36 2000/11/14 19:13:26 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.37 2000/11/15 18:36:03 petere Exp $
 -->
 
 <Chapter Id="runtime">
@@ -932,33 +932,6 @@ env PGOPTIONS='-c geqo=off' psql
       </listitem>
      </varlistentry>
 
-     <varlistentry>
-      <term>HOSTNAME (<type>string</type>)</term>
-      <listitem>
-       <para>
-	Specifies the TCP/IP hostname or address on which the
-	<application>postmaster</application> is to listen for
-	connections from client applications.  Defaults to the value
-	of the <envar>PGHOST</envar> environment variable, or if
-	<envar>PGHOST</envar> is not set, it defaults to listening on
-	all configured addresses (including localhost).
-       </para>
-       <para>
-	If you use a hostname do not try to run multiple instances of
-	<application>postmaster</application> on the same IP address
-	but different ports.  Doing so will result in them attempting
-	(incorrectly) to use the same shared memory segments.  Also,
-	if you use a hostname, all of the host's IP addresses on which
-	<application>postmaster</application> instances are listening
-	must be distinct in the two last octets.
-       </para>
-       <para>
-	If you do not use this option, then each instance must listen
-	on a different port.
-       </para>
-      </listitem>
-     </varlistentry>
-
      <varlistentry>
       <term>KRB_SERVER_KEYFILE (<type>string</type>)</term>
       <listitem>
@@ -1151,6 +1124,33 @@ env PGOPTIONS='-c geqo=off' psql
       </listitem>
      </varlistentry>
 
+     <varlistentry>
+      <term>VIRTUAL_HOST (<type>string</type>)</term>
+      <listitem>
+       <para>
+	Specifies the TCP/IP hostname or address on which the
+	<application>postmaster</application> is to listen for
+	connections from client applications.  Defaults to the value
+	of the <envar>PGHOST</envar> environment variable, or if
+	<envar>PGHOST</envar> is not set, it defaults to listening on
+	all configured addresses (including localhost).
+       </para>
+       <para>
+	If you use a hostname do not try to run multiple instances of
+	<application>postmaster</application> on the same IP address
+	but different ports.  Doing so will result in them attempting
+	(incorrectly) to use the same shared memory segments.  Also,
+	if you use a hostname, all of the host's IP addresses on which
+	<application>postmaster</application> instances are listening
+	must be distinct in the two last octets.
+       </para>
+       <para>
+	If you do not use this option, then each instance must listen
+	on a different port.
+       </para>
+      </listitem>
+     </varlistentry>
+
     </variablelist>
    </para>
    </sect2>
@@ -1189,6 +1189,11 @@ env PGOPTIONS='-c geqo=off' psql
         <entry>fsync = off</entry>
         <entry></entry>
        </row>
+       <row>
+        <entry>-h <replaceable>x</replaceable></entry>
+        <entry>virtual_host = <replaceable>x</replaceable></entry>
+        <entry></entry>
+       </row>
        <row>
         <entry>-i</entry>
         <entry>tcpip_socket = on</entry>

src/backend/postmaster/postmaster.c

@@ -11,7 +11,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.187 2000/11/14 18:37:42 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.188 2000/11/15 18:36:04 petere Exp $
  *
  * NOTES
  *
@@ -115,7 +115,7 @@ static Dllist *PortList;
 /* The socket number we are listening for connections on */
 int PostPortNumber;
 char * UnixSocketName;
-char * HostName;
+char * Virtual_host;
 
 /*
  * This is a sequence number that indicates how many times we've had to
@@ -453,7 +453,7 @@ PostmasterMain(int argc, char *argv[])
 				enableFsync = false;
 				break;
 			case 'h':
-				HostName = optarg;
+				Virtual_host = optarg;
 				break;
 			case 'i':
 				NetServer = true;
@@ -609,7 +609,7 @@ PostmasterMain(int argc, char *argv[])
 
 	if (NetServer)
 	{
-		status = StreamServerPort(AF_INET, HostName,
+		status = StreamServerPort(AF_INET, Virtual_host,
 						(unsigned short) PostPortNumber, UnixSocketName,
 						&ServerSock_INET);
 		if (status != STATUS_OK)
@@ -621,7 +621,7 @@ PostmasterMain(int argc, char *argv[])
 	}
 
 #ifdef HAVE_UNIX_SOCKETS
-	status = StreamServerPort(AF_UNIX, HostName,
+	status = StreamServerPort(AF_UNIX, Virtual_host,
 						(unsigned short) PostPortNumber, UnixSocketName, 
 						&ServerSock_UNIX);
 	if (status != STATUS_OK)
@@ -794,7 +794,7 @@ usage(const char *progname)
 	printf("  -d 1-5          debugging level\n");
 	printf("  -D DATADIR      database directory\n");
 	printf("  -F              turn fsync off\n");
-	printf("  -h HOSTNAME     host name or IP address to listen to\n");
+	printf("  -h HOSTNAME     host name or IP address to listen on\n");
 	printf("  -i              enable TCP/IP connections\n");
 	printf("  -k FILENAME     Unix domain socket location\n");
 #ifdef USE_SSL
@@ -1311,7 +1311,7 @@ ConnFree(Port *conn)
 
 /*
  * get_host_port -- return a pseudo port number (16 bits)
- * derived from the primary IP address of HostName.
+ * derived from the primary IP address of Virtual_host.
  */
 static unsigned short
 get_host_port(void)
@@ -1323,13 +1323,13 @@ get_host_port(void)
 		SockAddr	saddr;
 		struct hostent *hp;
 
-		hp = gethostbyname(HostName);
+		hp = gethostbyname(Virtual_host);
 		if ((hp == NULL) || (hp->h_addrtype != AF_INET))
 		{
 			char msg[1024];
 			snprintf(msg, sizeof(msg),
 				 "FATAL: get_host_port: gethostbyname(%s) failed\n",
-				 HostName);
+				 Virtual_host);
 			fputs(msg, stderr);
 			pqdebug("%s", msg);
 			exit(1);
@@ -1362,7 +1362,7 @@ reset_shared(unsigned short port)
 	 * the -h option, or set PGHOST, to a value other than the internal
 	 * default.
 	 *
-	 * If HostName is set, then we generate the IPC keys using the
+	 * If Virtual_host is set, then we generate the IPC keys using the
 	 * last two octets of the IP address instead of the port number.
 	 * This algorithm assumes that no one will run multiple PostgreSQL
 	 * instances on one host using two IP addresses that have the same two
@@ -1376,7 +1376,7 @@ reset_shared(unsigned short port)
 	 * host.
 	 */
 
-	if (HostName[0] != '\0')
+	if (Virtual_host[0] != '\0')
 		port = get_host_port();
 
 	ipc_key = port * 1000 + shmem_seq * 100;

src/backend/utils/misc/guc.c

@@ -4,7 +4,7 @@
  * Support for grand unified configuration scheme, including SET
  * command, configuration file, and command line options.
  *
- * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.20 2000/11/14 19:13:27 petere Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.21 2000/11/15 18:36:05 petere Exp $
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  * Written by Peter Eisentraut <peter_e@gmx.net>.
@@ -319,7 +319,7 @@ ConfigureNamesString[] =
 	{"unixsocket",         		  PGC_POSTMASTER,       &UnixSocketName,
 	 "", NULL},
 
-	{"hostname",         		  PGC_POSTMASTER,       &HostName,
+	{"virtual_host",         		  PGC_POSTMASTER,       &Virtual_host,
 	 "", NULL},
 
 	{NULL, 0, NULL, NULL, NULL}

src/include/libpq/pqcomm.h

@@ -9,7 +9,7 @@
  * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pqcomm.h,v 1.44 2000/11/13 15:18:14 momjian Exp $
+ * $Id: pqcomm.h,v 1.45 2000/11/15 18:36:06 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -180,6 +180,6 @@ extern int Unix_socket_permissions;
 
 extern char * Unix_socket_group;
 extern char * UnixSocketName;
-extern char * HostName;
+extern char * Virtual_host;
 
 #endif	 /* PQCOMM_H */