167 lines
4.2 KiB
C
167 lines
4.2 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these librararies and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $XConsortium: Info.c /main/1 1996/03/25 19:10:11 barstow $
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*
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* (c) Copyright 1996 Digital Equipment Corporation.
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* (c) Copyright 1996 Hewlett-Packard Company.
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* (c) Copyright 1996 International Business Machines Corp.
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* (c) Copyright 1996 Sun Microsystems, Inc.
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* (c) Copyright 1996 Novell, Inc.
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* (c) Copyright 1996 FUJITSU LIMITED.
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* (c) Copyright 1996 Hitachi.
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*
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* This file contains the main program for: dtinfo_start
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*/
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#include <stdlib.h>
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#include <sys/param.h> /* MAXHOSTNAMELEN */
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#include <Tt/tt_c.h>
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#include <Dt/Info.h>
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#include <Dt/Connect.h>
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/*
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* External declaration for Xegethostname
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*/
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extern int Xegetshorthostname (char * hostname, unsigned int size);
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/*
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* Static variables
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*/
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static const char * DTINFOLIBDEFAULT_NAME = "DTINFOLIBDEFAULT";
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static const char * DTINFOLIBDEFAULT_DEFAULT = "cde";
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static const char * SHOW_INFO_OP_NAME = "DtInfo_ShowInfoAtLoc";
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static const char * SHOW_INFO_DEFAULT_ACTION = "DtInfoStartAtLoc";
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static const char * LOCALE_NAME = "LANG";
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static const char * DEFAULT_LOCALE = "C";
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static const char * STRING_ARG_TYPE = "string";
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/*
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* Forward declarations for static functions
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*/
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static DtInfoShowStatus ConnectToMessageServer ();
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/*
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* Public functions
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*/
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DtInfoShowStatus
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DtInfoShowTopic (
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const char * info_lib, /* the InfoLib */
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const char * locator) /* the generalized locator
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format */
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{
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Tt_message message;
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Tt_status status;
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DtInfoShowStatus ret_val;
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const char * file = info_lib;
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const char * locale;
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char host[MAXHOSTNAMELEN];
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/*
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* Check the arguments
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*/
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if (!locator)
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return (DtINFO_SHOW_BAD_LOCATOR);
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if ((ret_val = ConnectToMessageServer ()) != DtINFO_SHOW_OK)
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return (ret_val);
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if (!file) {
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if ((file = getenv (DTINFOLIBDEFAULT_NAME)) == NULL)
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file = DTINFOLIBDEFAULT_DEFAULT;
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}
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if ((locale = getenv (LOCALE_NAME)) == NULL)
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locale = DEFAULT_LOCALE;
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message = tt_message_create ();
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status = tt_ptr_error (message);
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if (status != TT_OK)
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return (DtINFO_SHOW_MSG_CREATE_FAIL);
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/*
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* Initialize message
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*/
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tt_message_class_set (message, TT_REQUEST);
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tt_message_scope_set (message, TT_SESSION);
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tt_message_address_set (message, TT_PROCEDURE);
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tt_message_session_set (message, tt_default_session());
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tt_message_op_set (message, SHOW_INFO_OP_NAME);
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tt_message_file_set (message, info_lib);
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/*
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* Add the arguments
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*/
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tt_message_arg_add (message, TT_IN, STRING_ARG_TYPE,
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SHOW_INFO_DEFAULT_ACTION);
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if ((Xegetshorthostname (host, MAXHOSTNAMELEN)) != 0)
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tt_message_arg_add (message, TT_IN, STRING_ARG_TYPE, NULL);
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else
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tt_message_arg_add (message, TT_IN, STRING_ARG_TYPE, host);
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tt_message_arg_add (message, TT_IN, STRING_ARG_TYPE, locale);
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tt_message_arg_add (message, TT_IN, STRING_ARG_TYPE, locator);
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/*
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* Send it
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*/
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status = tt_message_send (message);
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if (status != TT_OK)
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return (DtINFO_SHOW_MSG_SEND_FAIL);
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return (DtINFO_SHOW_OK);
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}
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static DtInfoShowStatus
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ConnectToMessageServer ()
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{
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char * procid;
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Tt_status status;
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procid = tt_default_procid ();
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status = tt_ptr_error (procid);
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if (status == TT_OK) {
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tt_free (procid);
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}
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if ((status == TT_ERR_NOMP) || (status == TT_ERR_PROCID)) {
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procid = tt_open ();
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status = tt_ptr_error (procid);
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if (status != TT_OK) {
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return (DtINFO_SHOW_TT_OPEN_FAIL);
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}
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}
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return (DtINFO_SHOW_OK);
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}
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